given the causal, lti transfer function: h left parenthesis z right parenthesis equals fraction numerator o left parenthesis z right parenthesis over denominator i left parenthesis z right parenthesis end fraction equals fraction numerator z over denominator open parentheses z minus begin display style 1 fourth end style close parentheses end fraction, determine the impulse response h[n]= o[n]. select which of the folowing choices is correct
Answers
The correct choice is: The impulse response h[n] is equal to o[n]. To determine the impulse response h[n] of the given causal, LTI transfer function, we need to take the inverse Z-transform of the transfer function H(z).
The given transfer function is:
H(z) = \frac{Z}{(Z - \frac{1}{4})}
To find the impulse response h[n], we need to find the inverse Z-transform of H(z). In this case, since the transfer function is a simple ratio of Z-transforms, we can directly read off the impulse response.
The impulse response h[n] can be written as:
h[n] = [Z^n]
In this case, since the numerator of the transfer function is Z, the impulse response is h[n] = Z^n.
Therefore, the correct choice is: The impulse response h[n] is equal to o[n].
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Related Questions
2.2.2 Make a list of the electronic components that could be used in making this product (energy saving switch).
Answers
The electronic components that could be used in making of energy saving switch are:
Transistors semiconductor devices CapacitorsCoils (inductors) Which electronic component is used as a switch?Transistors as well as other kinds of semiconductor devices are known to be tools or element that can be used in the making of switches. In its use or applications.
Note that the base or gate of a transistor, based on the kind of transistor that is known to be in use, and it is one that is often employed as a form of control element to be able to switch on as well as switch off the current that often exist between the emitter as well as the collector or the source and that of the drain.
Note also that the electronic components that are able to store energy in regards to electronic devices, are known to be capacitors and coils (inductors) and they often play a key function of temporarily saving energy. One key role of a capacitor is to save an electric charge.
Therefore, The electronic components that could be used in making of energy saving switch are:
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The figure shows the region of integration for the integral.
Rewrite this integral as an equivalent iterated integral in the five other orders. Assume y(x) = 5 − x and z(x) = 25 − x2.
Answers
Answer:
first one is (a) next one is (b)
Explanation:
Where are you likely to find a cooling coil located in the ductwork?
OA. A medium-sized office
OB. A large apartment building
C. A single-family home
D. A large factory
Answers
The component of an air conditioner or heat pump that collects heat from the indoor air is called the evaporator coil.
Where is the a coil located?The evaporator coil is specifically located in the air handler of your air conditioner or, if you have a combined heating and air conditioning system, inside the furnace. Air is cooled and transferred to the evaporator coils of HVAC systems by refrigerant that has evaporated inside the coils.
The component of a heat pump or air conditioner that collects heat from the indoor air is called an evaporator coil. Either the furnace is connected to it or it is housed inside the air handler.
On the air intake side of the fan coil or the furnace's outlet side, respectively, is where the evaporator coil—also known as the cooling coil—is positioned within the house. Its role is to chill interior air so the blower fan can provide cool, refreshing air back into the space.
Therefore, the correct answer is option c) A single-family home.
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Seth wants to build a wall of bricks. Which equipment will help him in the process?
OA masonry pump
OB. hacksaw
OC. mortar mixer
OD. pressurized cleaning equipment
Answers
i took masonry for 2 years. hope this helps!
Where do greywater pipes generally feed into?
-Vent stack
-Water heater
-Waste stack
-Main supply
Answers
Answer:
c Waste stack
Explanation:
4. Lockout/tagout (LOTO) is a safety procedure that ensures dangerous machines are properly shut off and not started up again prior to the completion of maintenance or servicing work?
A) True
b) False
Answers
Answer:
The answer is True
Explanation:
3.1 Distinguish between the human and engineering approaches to
loss prevention. (12)
Answers
The human approach focuses on staff awareness, training, and personal responsibility to minimize the probability of mistakes and risk-taking.
The engineering approach utilizes protective equipment, engineered designs, and automatic equipment to minimize accidents and losses.
The two methodologies: human and engineering approaches to loss prevention both aim to minimize and manage risk. However, there are some distinct differences in their approaches to reducing loss. Below are the details of the human and engineering approaches to loss prevention:
The human approach, also known as the behavioral approach, acknowledges that human error plays a significant role in accidents and losses. It recognizes the unpredictability of human behavior, making it challenging to anticipate and manage compared to system-generated problems. Therefore, the human approach emphasizes the development of staff awareness, training, and personal responsibility as strategies to minimize the likelihood of mistakes and risk-taking.
On the other hand, the engineering approach emphasizes that accidents and losses can be reduced through the implementation of protective equipment, engineered designs, and automatic equipment. Engineering solutions involve designing systems, structures, and equipment that minimize the chances of accidents or injuries. By providing multiple layers of protection, engineering measures aim to minimize human errors, enhance security, and improve the overall operational environment.
In conclusion, both the human and engineering approaches offer different solutions to loss prevention. The choice of the most effective approach depends on the specific circumstances and issues faced by a company. However, integrating both methods is generally considered the best approach. By incorporating human factors such as staff training and communication into the engineering design, an effective safety culture can be established.
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Why are optical space telescopes able to see deeper into outer space than land-based optical telescopes? A:because they are larger than land-based telescopes B:because they are smaller than land-based telescopes C:because they look through the Earth's atmosphere D:because they are above the Earth's atmosphere
Answers
Answer:
D:because they are above the Earth's atmosphere
Explanation:
Optical space telescopes have the ability to take very clear pictures of the stars, galaxies, and other images required of it from pace. This is unlike the land-based optical telescopes whose pictures of space are not as sharp as the ones produced by the optical space telescopes despite the fact that they are kept at very high elevations.
The major reason for this is the fact that the land-based optical telescopes absorb the infrared and ultraviolet rays emitted by the earth's atmosphere. These blurs the images it produces. The optical space telescopes are not affected by these rays in space.
Answer:
d
Explanation:
that is why because they out farther then our regular telescopes
hope this helps
6. She folded the clean towel and put in the closet.
A Mass Noun
C. Count Noun
B. Collective Noun
D. Possessive Noun
Can you answer this!!!
Answers
Answer:
C. Count Noun
Explanation:
Select the correct answer.
Which chemical can you use to assist with your motor fuel needs?
O A.
ethylene glycol
OB.
ethanol
O c.
butanol
OD.
pentanol
O E.
propranolol
Reset
Next
Answers
Answer: Ethanol
Explanation:
Shania has started a new job as an app developer. Her first task was to make an old designed for Android available on other platforms. which of the following would make her job easiest and fastest?
Answers
A comparison of parking fee changed at 4 randomly selected parking areas were 12 15 17 and 20 pesos per car find the mean the variance of the parking fees
Answers
The calculated mean value is 16. The sum of all values divided by the total number of values determines the mean (also known as the arithmetic mean, which differs from the geometric mean) of a dataset.
The term "average" is frequently used to describe this measure of central tendency. By dividing the sum of the given numbers by the entire number of numbers, the mean—the average of the given numbers—is determined. Mean is equal to (Sum of All Observations/Total Observations).
Mean=12+15+17+20/4
=16
Special road signage designate 10-cent zones. At the beginning and finish of the zone, there are signs. There is one space available for as long as three or four hours each day. Only specific hours of the day are subject to the 10 cent rate. There may be a Blue Zone in locations where paid parking is not (yet) in effect.
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What is the difference between a cost and a benefit?
Answers
Answer:
A cost is something you have to give up or sacrifice and a benefit is something that is gained or is helpful.
Explanation:
In a cost-benefit analysis of a system, an engineer is to simply look at the requirements for the system and determine the costs to build the system, both in financial value and energy value. Additionally, the engineer needs to determine the benefits that would come from choosing a particular path of cost. If the benefits outweigh the cost for the project, then the solution is accepted. Else, the cost outweighs the benefit and the solution is rejected.
2-derive the outputs' boolean equations (written in simplified forms) for decimal
to bcd priority encoder such that the smallest digit has the highest priority. show
all the steps for the simplification.
Answers
To derive the output Boolean equations for a decimal to BCD (Binary-Coded Decimal) priority encoder, we need to follow a step-by-step process. Let's assume the inputs are D3, D2, D1, and D0, representing the decimal input digits from 0 to 9.
Step 1: Determine the number of outputs required.
In a decimal to BCD priority encoder, we need four outputs to represent the BCD code for each decimal input digit. Let's denote the outputs as Y3, Y2, Y1, and Y0.
Step 2: Write the truth table.
Construct a truth table with inputs (D3, D2, D1, D0) and outputs (Y3, Y2, Y1, Y0) for all possible input combinations. In this case, the truth table will have 10 rows (corresponding to the decimal digits 0 to 9).
Step 3: Determine the outputs based on priority.
The priority encoder assigns a unique code to each input, giving priority to the smallest input digit. The priority order for the decimal digits is as follows: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9.
Based on this priority, we can determine the outputs (Y3, Y2, Y1, Y0) for each decimal input digit in the truth table.
Step 4: Write the Boolean equations for each output.
To simplify the Boolean equations, we can use Karnaugh maps (K-maps) when the number of inputs is small. In this case, we have four inputs (D3, D2, D1, D0), which are convenient for K-map simplification.
Construct a separate K-map for each output (Y3, Y2, Y1, Y0) and fill in the corresponding output values based on the truth table.
Step 5: Simplify the Boolean equations using K-maps.
Analyze each K-map and group adjacent 1s to form product terms. These product terms will represent the simplified Boolean equations for the outputs.
Step 6: Write the final simplified Boolean equations.
Based on the simplified product terms obtained from the K-maps, write the final Boolean equations for each output (Y3, Y2, Y1, Y0).
Following these steps will allow you to derive the outputs' Boolean equations in simplified form for a decimal to BCD priority encoder with the smallest digit having the highest priority.
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Given that the system function of a third order Butterworth type analog low-pass filter with a 3 dB cut-off frequency of 2 radian/second is:
2s HS = S2 + 0.2 s +1
Answer the following questions:
1. Use the bilinear transformation to obtain H(z). Use T=2 second.
2. Give H(w) for your filter.
3. Use MATLAB to give the magnitude spectrum.
4. Comment on the quality of the design.
5. With the aid of simple sketch graphs explain how frequency warping affects the frequency response of the digital filter.
6. Comment on the need for prewarping, i.e. give conditions when prewarping is needed.
Answers
answer
d just too the test
What does the range switch prevent
Answers
Technician A says that 5W-30 would be better to use than 20W-50 in most vehicles in
cold weather conditions. Technician B says 20W-50 flows better than 5W-30 in cold
weather. Who is correct?
Answers
20
Explanation:
Technician A says that primary vibration is created by slight differences in the inertia of the pistons between top dead center and bottom dead center. Technician B says that secondary vibration is a strong low-frequency vibration caused by the movement of the piston traveling up and down the cylinder. Who is correct? O A. Neither Technician A nor B OB. Technician B O C. Both Technicians A and B D. Technician A
Can some help me with this !!! Is 26 points!!
Answers
15,000,000 ohms because M=10^6
the wooden framework built to support and arch during construction is called
Answers
The wooden framework built to support an arch during construction is called a "centering" or "formwork."
Centering refers to the temporary structure that is made of wooden beams and planks that are used to support the weight of the arch and any construction materials until the arch is completed and can support itself.
The centering provides stability and helps maintain the shape of the arch during the construction process. Once the arch is fully constructed and set, the centering is removed. The careful placement and alignment of the centering are crucial to ensure the accurate and precise construction of the arch.
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Given that s has been defined, and that the_set that refers to a set, write an expression that whose value is True if and only if the value to which s refers is in the_set.
Answers
If the value to which s refers is in the set the_set, the following expression will evaluate to True:
s in the_set
This expression uses the in keyword to check if the value of s is contained in the set the_set. If the value of s is in the set, the expression will evaluate to True, and if the value is not in the set, the expression will evaluate to False.
Transmission lines that join two Balancing Authority Areas are known as
Answers
Engineers study the properties of fluids, including viscosity and compressibility, to test the efficiency of systems under given conditions. True or False?
Answers
Answer:
True.
Explanation:
The compressibility of a fluid can be defined as a measure of the change in volume (density) with respect to the amount of pressure applied to the fluid. Thus, as the pressure of a compressible fluid increases, both its viscosity and density increases.
Some examples of compressible fluids are vapors, gases, air etc.
Additionally, the compressibility of fluids plays a significant role in the field of science such as in aerodynamics, fluid mechanics, thermodynamics etc.
Viscosity can be defined as a quantity expressing the magnitude of internal friction that restricts the ease of flow between parallel layers at some distance apart having unit speed relative to each other.
These properties of fluids, including viscosity and compressibility are usually being studied by engineers such as civil engineers, in order to test the efficiency of systems under given conditions.
Answer:
true
Explanation:
edge
What are the potential hazards relating to materials handling injuries?
Select the 4 answer options that apply.
un
Being crushed by machines, falling materials, or improper materials
Being electrocuted
Being struck by materials or caught in pinch points
Improper manual lifting or carrying loads that are too heavy
Incorrectly cutting ties or securing devices
Answers
Answer:
it's says potential that something not moving.
incorrectly cutting ties or securing devices because
this is so dangerous thing I know because being electrocuted is here this for me.
'Material Handling Injuries' are characterized as the 'injuries caused at work due to the carrying or holding of heavy loads.'
The probable hazards associated with 'materials' in terms of material handling injuries include:
A). Being crushed by machines, falling materials, or improper materials.
C). Being struck by materials or caught in pinch points
D). Improper manual lifting or carrying loads that are too heavy.
E). Incorrectly cutting ties or securing devices.
The probable injury threats to the workers while handling materials include all the above-mentioned situations.
In the case of lifting heavy materials at a worksite, the workers might get quashed through heavy machines and lead to strain in the muscles or bones of the workers.Carrying inadequate materials like toxic or combustible materials may cause serious harm to them. Lifting of heavyweights can cause sprain to the tissues of the workers and while there is also a chance that the heavy materials can cause them to be hit by them or get caught in choking points leading to suffocation or fainting.The improper usage of binding ties might lead the load to fall abruptly on the workers' body and damage his body. The other hazards are not associated with material handling rather using electrical equipment(shock or electrocution).Thus, options A, C, D, and E are the correct answers.
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Technician a says that a rotary engine does not use spark plugs. technician b says that a rotary engine does not use exhaust valves. who is correct?
Answers
Technician B is correct. A rotary engine, also known as a Wankel engine, does not use exhaust valves.
In a traditional reciprocating piston engine, valves are used to control the intake and exhaust of air and fuel mixture. The valves open and close to allow the mixture to enter the combustion chamber and to release the exhaust gases after combustion.
However, in a rotary engine, the combustion process occurs within a rotor, which rotates in a housing. The rotor has chambers (known as "pockets" or "combustion chambers") that expand and contract as they rotate, creating the necessary compression and combustion. The intake and exhaust ports are located in the housing, not in the rotor itself.
Due to the design of the rotary engine, it does not require the use of valves, including exhaust valves. Instead, the intake and exhaust processes are controlled by the rotation of the rotor, which aligns the ports with the respective areas in the housing to allow the intake of air-fuel mixture and the expulsion of exhaust gases.
Therefore, Technician B is correct in stating that a rotary engine does not use exhaust valves.
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assumptions: i) when the transistor is turned off, the zener diodes breaks down to maintain the inductor current. ii) the voltage across the zener diodes is constant at vz
Answers
Assumptions state Zener diodes maintain inductor current when transistor is off and voltage across diodes is constant at "vz". Dependent on circuit configuration.
These two statements are assumptions about the operation of a circuit that includes a transistor and Zener diodes. The first statement suggests that when the transistor is turned off, the Zener diodes will "break down" or become conductive to maintain the current in the inductor. The second statement suggests that the voltage across the Zener diodes is held constant at a value "vz".
It's important to note that these assumptions may or may not be true, depending on the specific circuit configuration, and would need to be verified through simulation or experimentation. Additionally, the behavior of the circuit may be affected by other components and external conditions such as temperature, power supply, etc.
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The constant head tank is 15.25m above the pipe outlet at the overflow sump at the proposed location of a Pelton wheel. The diameter and length of the piping are 0.4 and 30.5 m, respectively. If it is estimated that 1.5 kW can be generated, what would the velocity be at the pipe outlet where it discharges to the sump? The minor losses along the pipe are K_L = 1.3. Clearly illustrate your approach for solving this problem.
Answers
The illustrate your approach for this problem:V = 5.609 m/s
What is illustrate?
Illustrate is the act of making a concept easier to understand by providing visual representation. This can be done through the use of diagrams, drawings, videos, graphs, photographs, or other visuals. Illustration can be used to explain complex ideas, processes, or events in a concise and easy to understand manner.
Illustration is used in many different fields such as education, design, advertising, and even medicine. It is an effective way to communicate information quickly and clearly to a wide variety of audiences.
1. Calculate the hydraulic head of the system.
h = h_tank + K_L + h_pipe = 15.25 + 1.3 + (V^2 / (2g))
2. Calculate the flow rate.
Q = P / (γgH)
3. Substitute the calculated values in the energy equation.
h = 15.25 + 1.3 + (V^2 / (2g)) = γgH + (Q^2 / (2A)), where A = π(D^2) / 4
4. Solve for V.
V = (2g[15.25 + 1.3 + γgH - (Q^2 / (2A))])^(1/2)
5. Substitute the known values for h_tank, K_L, γ, g, H, Q and D.
V = (2*9.81[15.25 + 1.3 + 1000*9.81*30.5 - (1.5^2 / (2*π*(0.4^2) / 4))])^(1/2)
6. Calculate the velocity.
V = 5.609 m/s
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A reservoir rock system located between a depth of 2153m and a depth of
2383m , as the pressure at these depths is 18.200 MPa , 19.643 MPa
respectively the thickness of oil zone 103m, if the density of water is 1060 kg/m3
Determine the oil and gas density. what is the pressure at the depth of 2200m ?
what is the depth at which the pressure is 1900 MPa? Determine the gas-oil and
oil- water contact depth.
Answers
a rectangular wing of aspect ratio 10 is flying at a mach number of 0.6. what is the approximate value of dcl/da
Answers
For a rectangular wing of aspect ratio 10 flying at a Mach number of 0.6, the approximate value of the lift slope (dCL/da) can be estimated using the Prandtl-Glauert rule.
The Prandtl-Glauert rule states that at high subsonic Mach numbers, the compressibility effects on lift become significant, and the lift slope is reduced due to the formation of shock waves. This reduction in lift slope can be approximated using the following equation:
dCL/dα = (dCL/dα)0 / sqrt(1 - M^2)
where dCL/dα is the lift slope at the given Mach number, (dCL/dα)0 is the lift slope at zero Mach number (i.e., incompressible flow), and M is the Mach number.
Assuming an incompressible lift slope of approximately 2π for a rectangular wing of aspect ratio 10, we can estimate the lift slope at Mach 0.6 using the Prandtl-Glauert rule:
dCL/dα = (2π) / sqrt(1 - 0.6^2) ≈ 3.09
Therefore, the approximate value of dCL/da for a rectangular wing of aspect ratio 10 flying at a Mach number of 0.6 is 3.09.
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If an oncoming driver crosses into your path of travel, the space that is usually available for you to move your vehicle is.
Answers
Answer:
If an oncoming driver crosses into your path of travel, the space that is usually available for you to move your vehicle is to the right of your vehicle.
Explanation:
On many roads, there are areas on the sides of the road called the shoulder. The shoulder can be used for pulling over and stopping your vehicle due to emergencies.
If a driver crosses into your lane coming straight for you, the best thing to do is to pull over to the shoulder as fast as possible so to not turn left and hit incoming traffic.
explain all the characteristics of computer
Answers
Speed
Accuracy
Storage
Versatility
Diligence
Automation
Reliability
Power of Remembering
Let us understand each characteristic in brief:-
Speed – Speed of a computer means the time it takes to complete any given task. The computer works at a very lightning speed. For example, a computer takes a second to calculate 3 million calculations rather than a human which takes years. Hence nowadays the speed of the computer is measured in terms of microseconds, Nanoseconds, and even in Pico seconds instead of seconds or milliseconds.
Accuracy – The computers are programmed and designed in such a manner that their results are almost 100% accurate. It performs all the tasks with the same accuracy. There are very few chances of uncertainty in results and even though an error occurs, it can happen either due to wrong input data or unreliable programs by a programmer. Such errors are referred to as Garbage In Garbage Out (GIGO) which means, if you provide wrong instructions to the computer then you get wrong results.
Versatility – Along with being accurate and diligent a computer is also a versatile device. It can perform several types of tasks at a time if they are reduced to a certain set of logical steps. A computer can be used for many purposes at different places such as booking air and rail tickets, weather forecasting, listening to music, and playing games. Also at a time, one can pay his utility bills and can make a monthly budget too. It can prepare documents, data sheets and also can make models of houses, dams, etc.
Diligence – The ability of a computer to perform tasks without getting tired is known as diligence. Computers are highly reliable, they do not get fed up, exhausted, or lack concentration. They can work for hours and hours unlike humans and can give accurate or error-free results. For example, humans will start feeling tired after 2 -3 hours and will lack concentration whereas a computer will keep on working until the results are achieved.
Automation – Automation means working automatically. A computer can work on its own without the intervention of the person using it. Programs can be made for the computer to perform the task and based on the sequence it executes the tasks and gives accurate results. In case an error occurs, it gives error messages too and registers the logs.
Reliability – High reliability of a computer depends on low failure rate and easy maintenance. The results given out by the computer are reliable as the accuracy is almost 100%.
Power of Remembering – The computer has the power of storing data or information for several years. It cannot lose the data on its own. A person can retrieve the data whenever required and the data remains the same after a number of years also. It gives the freedom to the user to decide on how much data to store and how much to remove.