Pearson eText for Electrical Engineering: Principles & Applications -- Instant Access (Pearson+)
7th Edition
ISBN: 9780137562855
Author: Allan Hambley
Publisher: PEARSON+
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Chapter 2, Problem 2.71P
Use mesh-current analysis to find the values of i1 and i2 in Figure P2.27. Select i1 clockwise around the left-hand mesh, i2 clockwise around the right-hand mesh, and i3 clockwise around the center mesh.
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I have this fsk function code:
function [x]=fsk_encode(b,s,f0,f1,N,Fs,K)
% b= bit sequence vector
% s(1)= output level for 0
% s(2)= output level for 1
% N= length of bit sequence
% Fs= Sampling frequency
y=zeros(1,N*K); %Setup output vector
%for each bit calculatee the rando samples
for n=1:N
for k=1:K
t = (k - 1) / Fs;
if(b(n)==0)
y((n-1)*K+k)=cos(2*pi*f0*t); % pulse=0
else
y((n-1)*K+k)=cos(2*pi*f1*t); % pulse=1
end
end
x=y; %set output
end
And this is another code that calls the function in order to get the power density spectrum:
clc;clear;
% EE 382 Communication Systems- Lab 8
% Plots the power spectrum of the ASK modulation
% First specify some parameters
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M=100; % number of realizations in the ensemble
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delf =2e+3;
fc=10e+3;
f0=fc-delf;
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Fs=8*f1; % sampling frequency (this is needed to calibrate the frequency axis)
K=(T/(1/Fs));
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Write the angle expression form of first null beam width FNBW) for 2/2 dipole.
for 즐, 꽃
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Chapter 2 Solutions
Pearson eText for Electrical Engineering: Principles & Applications -- Instant Access (Pearson+)
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Ch. 2 - Two resistances R1 and R2 are connected in...Ch. 2 - Find the equivalent resistance for the infinite...Ch. 2 - If we connect n 1000- resistances in parallel,...Ch. 2 - The heating element of an electric cook top has...Ch. 2 - We are designing an electric space heater to...Ch. 2 - Sometimes, we can use symmetry considerations to...Ch. 2 - The equivalent resistance between terminals a and...Ch. 2 - Three conductances G1 G2, and G3 are in series....Ch. 2 - Most sources of electrical power behave as...Ch. 2 - The resistance for the network shown in Figure...Ch. 2 - Often, we encounter delta-connected loads such as...Ch. 2 - What are the steps in solving a circuit by network...Ch. 2 - Find the values of i1 and i2 in Figure P2.23....Ch. 2 - Find the voltages v1 and v2 for the circuit shown...Ch. 2 - Find the values of v and i in Figure P2.25. 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Find...Ch. 2 - Find the values of i1 and i2 in Figure P2.35...Ch. 2 - Use the voltage-division principle to calculate...Ch. 2 - Use the current-division principle to calculate i1...Ch. 2 - Use the voltage-division principle to calculate...Ch. 2 - Use the current-division principle to calculate...Ch. 2 - Suppose we need to design a voltage-divider...Ch. 2 - A source supplies 120 V to the series combination...Ch. 2 - We have a 60- resistance, a 20- resistance, and...Ch. 2 - A worker is standing on a wet concrete floor,...Ch. 2 - Suppose we have a load that absorbs power and...Ch. 2 - We have a load resistance of 50 that we wish to...Ch. 2 - We have a load resistance of 1 k that we wish to...Ch. 2 - The circuit of Figure P2.47 is similar to networks...Ch. 2 - Write equations and solve for the node voltages...Ch. 2 - Solve for the node voltages shown in Figure P2.49....Ch. 2 - Solve for the node voltages shown in Figure P2.50....Ch. 2 - Given R1=4 , R2=5 , R2=8 , R4=10 , R5=2 , and...Ch. 2 - Determine the value of i1 in Figure P2.52 using...Ch. 2 - Given R1=15 , R5=5 , R3=20 , R4=10 , R5=8 , R6=4 ,...Ch. 2 - In solving a network, what rule must you observe...Ch. 2 - Use the symbolic features of MATLAB to find an...Ch. 2 - Solve for the values of the node voltages shown in...Ch. 2 - Solve for the node voltages shown in Figure P2.57....Ch. 2 - Solve for the power delivered to the 8- ...Ch. 2 - Solve for the node voltages shown in Figure P2.59....Ch. 2 - Find the equivalent resistance looking into...Ch. 2 - Find the equivalent resistance looking into...Ch. 2 - Figure P2.62 shows an unusual voltage-divider...Ch. 2 - Solve for the node voltages in the circuit of...Ch. 2 - We have a cube with 1- resistances along each...Ch. 2 - Solve for the power delivered to the 15- resistor...Ch. 2 - Determine the value of v2 and the power delivered...Ch. 2 - Use mesh-current analysis to find the value of i1...Ch. 2 - Solve for the power delivered by the voltage...Ch. 2 - Use mesh-current analysis to find the value of v...Ch. 2 - Use mesh-current analysis to find the value of i3...Ch. 2 - Use mesh-current analysis to find the values of i1...Ch. 2 - Find the power delivered by the source and the...Ch. 2 - Use mesh-current analysis to find the values of i1...Ch. 2 - Use mesh-current analysis to find the values of i1...Ch. 2 - The circuit shown in Figure P2.75 is the dc...Ch. 2 - Use MATLAB and mesh-current analysis to determine...Ch. 2 - Connect a 1-V voltage source across terminals a...Ch. 2 - Connect a 1-V voltage source across the terminals...Ch. 2 - Use MATLAB to solve for the mesh currents in...Ch. 2 - Find the Thévenin and Norton equivalent circuits...Ch. 2 - We can model a certain battery as a voltage source...Ch. 2 - Find the Thévenin and Norton equivalent circuits...Ch. 2 - Find the Thévenin and Norton equivalent circuits...Ch. 2 - Find the Thévenin arid Norton equivalent circuits...Ch. 2 - An automotive battery has an open-circuit voltage...Ch. 2 - A certain two-terminal circuit has an open-circuit...Ch. 2 - If we measure the voltage at the terminals of a...Ch. 2 - Find the Thévenin and Norton equivalent circuits...Ch. 2 - Find the maximum power that can be delivered to a...Ch. 2 - Find the maximum power that can be delivered to a...Ch. 2 - Figure P2.91 shows a resistive load RL connected...Ch. 2 - Starling from the Norton equivalent circuit with a...Ch. 2 - A battery can be modeled by a voltage source Vt in...Ch. 2 - Use superposition to find the current i in Figure...Ch. 2 - Solve for is in Figure P2.49 by using...Ch. 2 - Solve the circuit shown in Figure P2.48 by using...Ch. 2 - Solve for i1 in Figure P2.34 by using...Ch. 2 - Another method of solving the circuit of Figure...Ch. 2 - Use the method of Problem P2.98 for the circuit of...Ch. 2 - Solve for the actual value of i6 for the circuit...Ch. 2 - Device A shown in Figure P2.101 has v=3i2 for i 0...Ch. 2 - The Wheatstone bridge shown in Figure 2.66 is...Ch. 2 - The Wheatstone bridge shown in Figure 2.66has...Ch. 2 - In theory, any values can be used for R1 and R3 in...Ch. 2 - Derive expressions for the Thévenin voltage and...Ch. 2 - Derive Equation 2.93 for the bridge circuit of...Ch. 2 - Prob. 2.107PCh. 2 - Explain what would happen if, in wiring the bridge...Ch. 2 - Match each entry in Table T2.1(a) with the best...Ch. 2 - Consider the circuit of Figure T2.2 with vs=96V ,...Ch. 2 - Write MATLAB code to solve for the node voltages...Ch. 2 - Write a set of equations that can be used to solve...Ch. 2 - Determine the Thévenin and Norton equivalent...Ch. 2 - According to the superposition principle, what...Ch. 2 - Determine the equivalent resistance between...Ch. 2 - Transform the 2-A current source and 6- ...
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