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اسئلة الواهب ليل صموا سیاه Homework 1 1) Sketch the radiation patter...
Find the half-power beamwidth (HPBW) and first-null beamwidth (FNBW), in radians, for the following normalized radiation...
Find the half-power beamwidth (HPBW) and first-null beamwidth (FNBW), in radians, for the following normalized radiation intensity U(?)=cos(4?) where (0? ? ? ?/2, 0??? 2?). HPBW= _____ radians and FNBW= _____ radians
You are an antenna engineer and you are asked to design a high directivity/gain antenna for...
You are an antenna engineer and you are asked to design a high directivity/gain antenna for a space-borne communication system operating at 10 GHz. The specifications of the antenna are such that its pattern consists basically of one major lobe and, for simplicity, no minor lobes (if there are any minor lobes they are of such very low intensity and you can assume they are negligible/zero). Also it is desired that the pattern is symmetrical in the azimuthal plane. In...
Question 1 The power radiated by a lossless antenna is 10 watts.
Question 1 The power radiated by a lossless antenna is 10 watts. The directional characteristics of the antenna are represented by the radiation intensity of U = 2cos3θ watts/unit solid angle. Find the (a) Maximum power density at a distance of 1000 m (assume far-field distance) (b) Maximum directivity (c) Maximum gain Question 2 In target-search ground-mapping radars it is desirable to have echo power received from a target, of constant cross section, to be independent ofits range. For one such application, the desirable radiation intensity...
Math 155. Homework 5. Section 4.1 1. Use the graph of the rate of change to sketch a graph of the function, starting from the given initial condition (a) Start from z(0) 1 dz dt (b) Start from (0) 10...
Math 155. Homework 5. Section 4.1 1. Use the graph of the rate of change to sketch a graph of the function, starting from the given initial condition (a) Start from z(0) 1 dz dt (b) Start from (0) 10 dw dt 10 -20 30
Math 155. Homework 5. Section 4.1 1. Use the graph of the rate of change to sketch a graph of the function, starting from the given initial condition (a) Start from z(0) 1 dz dt...
Help with number 1 please! Programming for Math and Science Homework 4 Due by 11:59 p.m. Thursday, May 2, 2019 1. Find the eigenvalues and corresponding eigenvectors for the following matrices sin θ...
Help with number 1 please!
Programming for Math and Science Homework 4 Due by 11:59 p.m. Thursday, May 2, 2019 1. Find the eigenvalues and corresponding eigenvectors for the following matrices sin θ cos θ 0 0 4 Verify each calculation by hand and with Numpy. (For the second matrix, pick a value for 0 when using Numpy.) 2. Construct a 3 by 3 orthogonal matrix1. Determine its eigenvalues and find the eigenvector corresponding to the eigenvalue λ-1 3, Construct...
please check the wrong answer before you solve it. Class Management Help Homework 2 Begin Date:...
please check the wrong answer before you solve it.
Class Management Help Homework 2 Begin Date: 1/18/2019 12:01:00 AM -- Due Date: 1/25/2019 11:59:00 PM End Date: 1/30/2019 11:59:00 PM (796) Problem 4: Two large rectangular aluminum plates of area A face each other with a separation of d between them. The plates are charged with equal and opposite charge of magnitude q. The charges on the plates face each other Find the flux through a circle of radius r...
CHAPTER 13-183-ME-201-0 X DbSections 13.1-13.4-CHAPTER X Tke Test CH13Qug-183-ME X Get Homework Help With Che X...
CHAPTER 13-183-ME-201-0 X DbSections 13.1-13.4-CHAPTER X Tke Test CH13Qug-183-ME X Get Homework Help With Che X Ohttps:/blackboard.kfupm.edu.sa/webapps/assessment/takke/launch jsp?course Test Information Description The smooth 0.5-kg double-collar in the figure can freely slide on arm OA and the circular guide rod. The arm rotates with a constant angular velocity of 8-3 rad/s . The position of the collar is described by the equation r0.8 cos() m. Motion is in the vertical plane (ie. consider the weight). Note: write all your solutions to...
AHS 375-Homework 11 Due: 2 October 2019 30 Sep 2019 1. Show that pressure decreases more...
AHS 375-Homework 11 Due: 2 October 2019 30 Sep 2019 1. Show that pressure decreases more rapidly with height in a cold layer of air than in a warm layer. Hint: start with hydrostatic balance and make use of the ideal gas law. 2. Use the hypsometric equation to determine how much the mean virtual temperature of the 1000 hPa to 850 hPa layer would change if the thickness of the layer decreased by 20 m. Would the mean virtual...
4. X(c)-1 for lol < 5 and is zero elsewhere. Use the theorems to find and sketch the amplitude ve...
4. X(c)-1 for lol < 5 and is zero elsewhere. Use the theorems to find and sketch the amplitude versus ω and the phase angle versus ω of the transforms of the following signals. (a) t0, (b, (e) x(2), and (e) x() expG10) dx(t) dt' TABLEme Selected Properties of the Fourier Transform X (o) 2. 3. x(-t) X (-o) 5. x(-o) x (at) la l 8. lx ()12 dr x(t)h(C) x (t) 9. 10. 2π X (ω-@g) d"X (0) 12....
please answer all! 1. 2. 3. 4. The graph on the right models the monthly average...
please answer all!
1. 2. 3. 4.
The graph on the right models the monthly average temperature y in degrees Fahrenheit for a city, where x is the month. AY 50- 40- 30- (a) Find the maximum and minimum average monthly temperatures. (b) Find the amplitude and period, and interpret the results. (c) Explain what the x-intercepts represent. 20- 10- х °F. The minimum monthly 0- (a) The maximum monthly average temperature is average temperature is °F. 6 8 10...
You are an antenna engineer and you are asked to design a high directivity/gain antenna for a space-borne communication system operating at 10 GHz. The specifications of the antenna are such that its pattern consists basically of one major lobe and, for simplicity, no minor lobes (if there are any minor lobes they are of such very low intensity and you can assume they are negligible/zero). Also it is desired that the pattern is symmetrical in the azimuthal plane. In...
Math 155. Homework 5. Section 4.1 1. Use the graph of the rate of change to sketch a graph of the function, starting from the given initial condition (a) Start from z(0) 1 dz dt (b) Start from (0) 10 dw dt 10 -20 30
Math 155. Homework 5. Section 4.1 1. Use the graph of the rate of change to sketch a graph of the function, starting from the given initial condition (a) Start from z(0) 1 dz dt...
Help with number 1 please!
Programming for Math and Science Homework 4 Due by 11:59 p.m. Thursday, May 2, 2019 1. Find the eigenvalues and corresponding eigenvectors for the following matrices sin θ cos θ 0 0 4 Verify each calculation by hand and with Numpy. (For the second matrix, pick a value for 0 when using Numpy.) 2. Construct a 3 by 3 orthogonal matrix1. Determine its eigenvalues and find the eigenvector corresponding to the eigenvalue λ-1 3, Construct...
please check the wrong answer before you solve it.
Class Management Help Homework 2 Begin Date: 1/18/2019 12:01:00 AM -- Due Date: 1/25/2019 11:59:00 PM End Date: 1/30/2019 11:59:00 PM (796) Problem 4: Two large rectangular aluminum plates of area A face each other with a separation of d between them. The plates are charged with equal and opposite charge of magnitude q. The charges on the plates face each other Find the flux through a circle of radius r...
CHAPTER 13-183-ME-201-0 X DbSections 13.1-13.4-CHAPTER X Tke Test CH13Qug-183-ME X Get Homework Help With Che X Ohttps:/blackboard.kfupm.edu.sa/webapps/assessment/takke/launch jsp?course Test Information Description The smooth 0.5-kg double-collar in the figure can freely slide on arm OA and the circular guide rod. The arm rotates with a constant angular velocity of 8-3 rad/s . The position of the collar is described by the equation r0.8 cos() m. Motion is in the vertical plane (ie. consider the weight). Note: write all your solutions to...
AHS 375-Homework 11 Due: 2 October 2019 30 Sep 2019 1. Show that pressure decreases more rapidly with height in a cold layer of air than in a warm layer. Hint: start with hydrostatic balance and make use of the ideal gas law. 2. Use the hypsometric equation to determine how much the mean virtual temperature of the 1000 hPa to 850 hPa layer would change if the thickness of the layer decreased by 20 m. Would the mean virtual...
4. X(c)-1 for lol < 5 and is zero elsewhere. Use the theorems to find and sketch the amplitude versus ω and the phase angle versus ω of the transforms of the following signals. (a) t0, (b, (e) x(2), and (e) x() expG10) dx(t) dt' TABLEme Selected Properties of the Fourier Transform X (o) 2. 3. x(-t) X (-o) 5. x(-o) x (at) la l 8. lx ()12 dr x(t)h(C) x (t) 9. 10. 2π X (ω-@g) d"X (0) 12....
please answer all!
1. 2. 3. 4.
The graph on the right models the monthly average temperature y in degrees Fahrenheit for a city, where x is the month. AY 50- 40- 30- (a) Find the maximum and minimum average monthly temperatures. (b) Find the amplitude and period, and interpret the results. (c) Explain what the x-intercepts represent. 20- 10- х °F. The minimum monthly 0- (a) The maximum monthly average temperature is average temperature is °F. 6 8 10...
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