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- 05:14, 29 October 2008 (diff | hist) . . (+237) . . Midterm Exam Div 2 Fall 2006 Solution ECE301Fall2008mboutin (→Question 3)
- 16:44, 26 September 2008 (diff | hist) . . (+719) . . N HW4.5 Travis Safford ECE301Fall2008mboutin (New page: ==Problem== We have a DT signal x[n] such that: 1. x[n] is periodic and period N=8. 2. <math>\sum_{n=0}^{7}x[n]=12</math> 3.<math>a_{k+3} = a_k</math> 4. x[n] has minimum power among ...) (current)
- 16:24, 26 September 2008 (diff | hist) . . (+51) . . Homework 4 ECE301Fall2008mboutin (→Guess the Periodic Signal)
- 16:23, 26 September 2008 (diff | hist) . . (+373) . . HW4.4 Travis Safford ECE301Fall2008mboutin (current)
- 15:56, 26 September 2008 (diff | hist) . . (+200) . . HW4.4 Travis Safford ECE301Fall2008mboutin
- 15:51, 26 September 2008 (diff | hist) . . (+506) . . N HW4.4 Travis Safford ECE301Fall2008mboutin (New page: ==DT LTI System== Lets define our system where <math>y[n] = 5x[n] + x[n-5]</math> What we need to do is first find h[n] and H[z] for our system. Then we can calculate the system's respo...)
- 18:48, 25 September 2008 (diff | hist) . . (+216) . . HW4.3 Travis Safford ECE301Fall2008mboutin (current)
- 18:30, 25 September 2008 (diff | hist) . . (+113) . . HW4.3 Travis Safford ECE301Fall2008mboutin
- 18:26, 25 September 2008 (diff | hist) . . (+736) . . N HW4.3 Travis Safford ECE301Fall2008mboutin (New page: ==CT LTI Impulse Response== The system <math>y(t) = 35x(t) - 2x(t+5)</math> is LTI Let's compute h(t): <math>x(t) = \delta(t)</math> <math>h(t) = 35\delta(t) - 2\delta(t+5)</math> ==R...)
- 17:36, 25 September 2008 (diff | hist) . . (0) . . HW4.2 Travis Safford ECE301Fall2008mboutin (current)
- 17:33, 25 September 2008 (diff | hist) . . (+315) . . HW4.2 Travis Safford ECE301Fall2008mboutin
- 17:30, 25 September 2008 (diff | hist) . . (+272) . . HW4.2 Travis Safford ECE301Fall2008mboutin
- 17:15, 25 September 2008 (diff | hist) . . (+562) . . HW4.2 Travis Safford ECE301Fall2008mboutin
- 16:57, 25 September 2008 (diff | hist) . . (+230) . . HW4.2 Travis Safford ECE301Fall2008mboutin
- 16:19, 25 September 2008 (diff | hist) . . (0) . . HW4.1 Travis Safford ECE301Fall2008mboutin
- 16:19, 25 September 2008 (diff | hist) . . (+2) . . HW4.1 Travis Safford ECE301Fall2008mboutin (→Periodic CT Signal)
- 16:19, 25 September 2008 (diff | hist) . . (+466) . . HW4.1 Travis Safford ECE301Fall2008mboutin
- 16:00, 25 September 2008 (diff | hist) . . (+28) . . HW4.1 Travis Safford ECE301Fall2008mboutin (→Periodic CT Signal)
- 15:59, 25 September 2008 (diff | hist) . . (+332) . . N HW4.1 Travis Safford ECE301Fall2008mboutin (New page: ==Periodic CT Signal== The first signal that comes to mind when i think of a periodic CT signal is one involving sines and cosines, so let's work with one of those. Let <math>x(t) = sin(...)
- 19:05, 23 September 2008 (diff | hist) . . (+353) . . N HW4.2 Travis Safford ECE301Fall2008mboutin (New page: ==CT Signal Fourier Coefficients== An easy signal to compute is a sine or cosine based function. I'm trying to look around and find something less trivial but all i can find is functions...)
- 18:23, 23 September 2008 (diff | hist) . . (+49) . . Homework 4 ECE301Fall2008mboutin (→Guess the Periodic Signal)
- 18:23, 23 September 2008 (diff | hist) . . (+49) . . Homework 4 ECE301Fall2008mboutin (→Define a DT, LTI System)
- 18:23, 23 September 2008 (diff | hist) . . (+49) . . Homework 4 ECE301Fall2008mboutin (→Define a CT, LTI System)
- 18:22, 23 September 2008 (diff | hist) . . (+49) . . Homework 4 ECE301Fall2008mboutin (→Periodic DT Signal, Fourier Series Coefficients)
- 18:22, 23 September 2008 (diff | hist) . . (+49) . . Homework 4 ECE301Fall2008mboutin (→Periodic CT Signal, Fourier Series Coefficients)
- 19:14, 17 September 2008 (diff | hist) . . (+49) . . Homework 3 ECE301Fall2008mboutin (→Application of linearity)
- 19:11, 17 September 2008 (diff | hist) . . (+318) . . Talk:HW3.B Ben Laskowski ECE301Fall2008mboutin
- 19:03, 17 September 2008 (diff | hist) . . (+82) . . HW3.B Travis Safford ECE301Fall2008mboutin (current)
- 19:03, 17 September 2008 (diff | hist) . . (+13) . . HW3.B Travis Safford ECE301Fall2008mboutin
- 19:02, 17 September 2008 (diff | hist) . . (+166) . . HW3.B Travis Safford ECE301Fall2008mboutin
- 18:59, 17 September 2008 (diff | hist) . . (+111) . . HW3.B Travis Safford ECE301Fall2008mboutin
- 18:56, 17 September 2008 (diff | hist) . . (+213) . . HW3.B Travis Safford ECE301Fall2008mboutin
- 18:54, 17 September 2008 (diff | hist) . . (+330) . . N HW3.B Travis Safford ECE301Fall2008mboutin (New page: A linear system’s response to <math>e^{2jt}</math> is <math>t*e^{-2jt}</math>, and its response to <math>e^{-2jt}</math> is <math>t*e^{2jt}</math>. What is the system’s response to <...)
- 18:30, 17 September 2008 (diff | hist) . . (+49) . . Homework 3 ECE301Fall2008mboutin (→The basics of linearity)
- 17:57, 17 September 2008 (diff | hist) . . (+88) . . N Talk:HW3.A David Record ECE301Fall2008mboutin (New page: Good alternative definition, and you did a good job showing the definition symbolically.)
- 17:56, 17 September 2008 (diff | hist) . . (+121) . . Talk:HW3.A Nathan Najdek - Memoryless System/System w/ Memory ECE301Fall2008mboutin
- 17:52, 17 September 2008 (diff | hist) . . (+134) . . N Talk:3.A Nicholas Browdues ECE301Fall2008mboutin (New page: ==Travis Safford== Good definitions, they were nice and short. It was nice to see some alternative definitions for some of them, too.)
- 17:50, 17 September 2008 (diff | hist) . . (-458) . . HW3.A Travis Safford ECE301Fall2008mboutin (→Stable System) (current)
- 17:48, 17 September 2008 (diff | hist) . . (+351) . . HW3.A Travis Safford ECE301Fall2008mboutin (→Time Invariant System)
- 17:36, 17 September 2008 (diff | hist) . . (+444) . . HW3.A Travis Safford ECE301Fall2008mboutin (→Linear System)
- 17:20, 17 September 2008 (diff | hist) . . (+253) . . HW3.A Travis Safford ECE301Fall2008mboutin (→Linear System)
- 17:18, 17 September 2008 (diff | hist) . . (+1,149) . . N HW3.A Travis Safford ECE301Fall2008mboutin (New page: == Memoryless System == A memoryless system is a system for which for any real number <math>t_0</math>, the output at <math>t_0</math> depends only on that value of t. A system with mem...)
- 17:03, 17 September 2008 (diff | hist) . . (+49) . . Homework 3 ECE301Fall2008mboutin (→Understanding System’s Properties)
- 16:32, 11 September 2008 (diff | hist) . . (+7) . . HW2.D Travis Safford ECE301Fall2008mboutin (→Time Invariant System) (current)
- 16:11, 11 September 2008 (diff | hist) . . (+327) . . HW2.E Travis Safford ECE301Fall2008mboutin (→Linearity) (current)
- 16:08, 11 September 2008 (diff | hist) . . (+539) . . N HW2.E Travis Safford ECE301Fall2008mboutin (New page: ==Time Invariance== For a given input <math>X_i[n]=\delta[n-(i-1)]</math> it yields the output <math>Y_i[n]=(k+1)^2 \delta[n-(k+1)]</math> is NOT time invariant. Say we shifted the input...)
- 15:55, 11 September 2008 (diff | hist) . . (+49) . . Homework 2 ECE301Fall2008mboutin (→Part E: Linearity and Time Invariance)
- 15:49, 11 September 2008 (diff | hist) . . (+7) . . HW2.D Travis Safford ECE301Fall2008mboutin (→Time Variant System)
- 15:48, 11 September 2008 (diff | hist) . . (+417) . . HW2.D Travis Safford ECE301Fall2008mboutin (→Time Invariant System)
- 15:43, 11 September 2008 (diff | hist) . . (+624) . . N HW2.D Travis Safford ECE301Fall2008mboutin (New page: == Time Invariance == A system is time invariant if for a certain x(t) that produces an output y(t) if you shift the input to x(t-T) it just yields the same output shifted by the same T. ...)
- 15:08, 11 September 2008 (diff | hist) . . (+49) . . Homework 2 ECE301Fall2008mboutin (→Part D: Time Invariance)
- 15:07, 11 September 2008 (diff | hist) . . (+12) . . HW2.C Travis Safford ECE301Fall2008mboutin (→Nonlinear System) (current)
- 15:07, 11 September 2008 (diff | hist) . . (0) . . HW2.C Travis Safford ECE301Fall2008mboutin (→Nonlinear System)
- 15:07, 11 September 2008 (diff | hist) . . (+753) . . HW2.C Travis Safford ECE301Fall2008mboutin (→Linear System)
- 14:40, 11 September 2008 (diff | hist) . . (+263) . . HW2.C Travis Safford ECE301Fall2008mboutin (→Linear System)
- 14:37, 11 September 2008 (diff | hist) . . (+677) . . N HW2.C Travis Safford ECE301Fall2008mboutin (New page: ==Definition== A system is linear if two specific inputs yield two specific outputs, and if you multiply the inputs by constants and then run them through the system and sum the result it...)
- 14:21, 11 September 2008 (diff | hist) . . (+49) . . Homework 2 ECE301Fall2008mboutin (→Part C: Linearity)
- 14:20, 11 September 2008 (diff | hist) . . (+260) . . N HW2.B Travis Safford ECE301Fall2008mboutin (New page: The bug here is that the period is 0.07 and so is the sampling rate. To fix this, we can just try a smaller sampling rate, something like 0.001 instead. <pre> F0 = 13; T0 = 1/F0; Ts = 0....) (current)
- 14:18, 11 September 2008 (diff | hist) . . (+49) . . Homework 2 ECE301Fall2008mboutin (→Part B: Find the Bug)
- 14:07, 11 September 2008 (diff | hist) . . (+2) . . HW2.A Travis Safford ECE301Fall2008mboutin (→Part 1) (current)
- 14:07, 11 September 2008 (diff | hist) . . (+5) . . HW2.A Travis Safford ECE301Fall2008mboutin (→Part 1)
- 14:06, 11 September 2008 (diff | hist) . . (-1) . . HW2.A Travis Safford ECE301Fall2008mboutin (→Part 1)
- 14:05, 11 September 2008 (diff | hist) . . (+4) . . HW2.A Travis Safford ECE301Fall2008mboutin (→Part 1)
- 14:05, 11 September 2008 (diff | hist) . . (+310) . . HW2.A Travis Safford ECE301Fall2008mboutin (→Part 2)
- 14:00, 11 September 2008 (diff | hist) . . (+352) . . HW2.A Travis Safford ECE301Fall2008mboutin (→Part 1)
- 13:49, 11 September 2008 (diff | hist) . . (+489) . . N HW2.A Travis Safford ECE301Fall2008mboutin (New page: ==Part 1== I'll use the signal that I picked for the last homework to demonstrate the sampling rate idea. My signal was tan(t). If you sample this function at a rate of <math>pi</math>,...)
- 13:43, 11 September 2008 (diff | hist) . . (+49) . . Homework 2 ECE301Fall2008mboutin (→Part A: Periodic Signals Revisited)
- 20:01, 4 September 2008 (diff | hist) . . (+68) . . HW1.4 Travis Safford - Periodic and Non-Periodic Functions ECE301Fall2008mboutin (→Non Periodic Functions) (current)
- 19:56, 4 September 2008 (diff | hist) . . (+8) . . HW1.3 Travis Safford - Some Complex Number Info ECE301Fall2008mboutin (current)
- 19:56, 4 September 2008 (diff | hist) . . (+3) . . HW1.3 Travis Safford - Some Complex Number Info ECE301Fall2008mboutin
- 19:52, 4 September 2008 (diff | hist) . . (-20) . . File:Jpreverseslowed ECE301Fall2008mboutin.ogg
- 19:52, 4 September 2008 (diff | hist) . . (-20) . . File:Jpreverse ECE301Fall2008mboutin.ogg
- 19:52, 4 September 2008 (diff | hist) . . (+116) . . HW1.2 Travis Safford ECE301Fall2008mboutin (→MATLAB Code) (current)
- 19:39, 4 September 2008 (diff | hist) . . (+2) . . HW1.1 Travis Safford ECE301Fall2008mboutin (→Files) (current)
- 19:38, 4 September 2008 (diff | hist) . . (+5) . . HW1.1 Travis Safford ECE301Fall2008mboutin (→Matlab File)
- 19:38, 4 September 2008 (diff | hist) . . (+269) . . HW1.1 Travis Safford ECE301Fall2008mboutin (→Matlab File)
- 19:35, 4 September 2008 (diff | hist) . . (0) . . HW1.1 Travis Safford ECE301Fall2008mboutin (→Files)
- 19:35, 4 September 2008 (diff | hist) . . (-20) . . File:Hail High ECE301Fall2008mboutin.ogg
- 19:34, 4 September 2008 (diff | hist) . . (-20) . . File:Hail Fast ECE301Fall2008mboutin.ogg
- 19:34, 4 September 2008 (diff | hist) . . (-20) . . File:Hail Normal ECE301Fall2008mboutin.ogg
- 19:34, 4 September 2008 (diff | hist) . . (+3) . . HW1.1 Travis Safford ECE301Fall2008mboutin (→Files)
- 19:30, 4 September 2008 (diff | hist) . . (-20) . . File:High Pitch ECE301Fall2008mboutin.wav
- 19:29, 4 September 2008 (diff | hist) . . (-20) . . File:Fast ECE301Fall2008mboutin.wav
- 19:29, 4 September 2008 (diff | hist) . . (-20) . . File:Normal Tsaff ECE301Fall2008mboutin.wav
- 19:29, 4 September 2008 (diff | hist) . . (+6) . . HW1.1 Travis Safford ECE301Fall2008mboutin (→Files)
- 19:28, 4 September 2008 (diff | hist) . . (+298) . . HW1.1 Travis Safford ECE301Fall2008mboutin (→Matlab File)
- 18:52, 4 September 2008 (diff | hist) . . (0) . . HW1.1 Travis Safford ECE301Fall2008mboutin (→Matlab File)
- 18:52, 4 September 2008 (diff | hist) . . (+1,691) . . N HW1.1 Travis Safford ECE301Fall2008mboutin (New page: ==Matlab File== <pre> %Travis Safford (tsafford@purdue.edu %9/5/08 %Hw 1.1 clear; clc; %Google found me this lovely site %http://www.phy.mtu.edu/~suits/notefreqs.html %from the lads a...)
- 18:51, 4 September 2008 (diff | hist) . . (+49) . . Homework 1 ECE301Fall2008mboutin (→Playing Music)
- 18:01, 4 September 2008 (diff | hist) . . (+47) . . HW1.2 Travis Safford ECE301Fall2008mboutin (→MATLAB Code)
- 17:59, 4 September 2008 (diff | hist) . . (+1) . . HW1.2 Travis Safford ECE301Fall2008mboutin (→MATLAB Code)
- 17:54, 4 September 2008 (diff | hist) . . (+110) . . HW1.2 Travis Safford ECE301Fall2008mboutin (→MATLAB Code)
- 17:52, 4 September 2008 (diff | hist) . . (+8) . . HW1.2 Travis Safford ECE301Fall2008mboutin (→MATLAB Code)
- 17:46, 4 September 2008 (diff | hist) . . (-67) . . HW1.2 Travis Safford ECE301Fall2008mboutin (→MATLAB Code)
- 17:45, 4 September 2008 (diff | hist) . . (+1,018) . . N HW1.2 Travis Safford ECE301Fall2008mboutin (New page: == MATLAB Code == <pre> % Travis Safford % September 5, 2008 % % Homework 1.2 - This file is supposed to reverse and slow down a Judas Priest song % Begin by clearing the console and all ...)
- 17:32, 4 September 2008 (diff | hist) . . (+49) . . Homework 1 ECE301Fall2008mboutin (→Hidden Backward Message)
- 17:25, 4 September 2008 (diff | hist) . . (+432) . . HW1.5 Travis Safford - Energy and Power ECE301Fall2008mboutin (→Energy) (current)
- 17:20, 4 September 2008 (diff | hist) . . (+387) . . N HW1.5 Travis Safford - Energy and Power ECE301Fall2008mboutin (New page: === Energy === I will calculate the energy expended by the signal <math>sin(2t)</math> from <math> t = 0 </math> to <math> t = 8\pi </math> - <math>E = \int_{0}^{8\pi} \mid sin(2t) \mid^...)
- 17:14, 4 September 2008 (diff | hist) . . (+68) . . Homework 1 ECE301Fall2008mboutin (→Energy and Power)
- 16:59, 4 September 2008 (diff | hist) . . (-20) . . File:301-2 ECE301Fall2008mboutin.gif
- 16:59, 4 September 2008 (diff | hist) . . (+254) . . HW1.4 Travis Safford - Periodic and Non-Periodic Functions ECE301Fall2008mboutin
- 16:55, 4 September 2008 (diff | hist) . . (+326) . . N HW1.4 Travis Safford - Periodic and Non-Periodic Functions ECE301Fall2008mboutin (New page: Periodic functions are functions that repeat over and over for a specific period. More specifically, a function is periodic if there exists some number T>0 such that f(x)=f(x+T) for all p...)
- 16:54, 4 September 2008 (diff | hist) . . (-20) . . File:301-1 ECE301Fall2008mboutin.gif
- 16:44, 4 September 2008 (diff | hist) . . (+87) . . Homework 1 ECE301Fall2008mboutin (→Periodic and Non-Periodic Functions)
- 16:41, 4 September 2008 (diff | hist) . . (+494) . . N HW1.3 Travis Safford - Some Complex Number Info ECE301Fall2008mboutin (New page: In any polynomial involving i, i.e. <math>c1*i^n+c2*i^{n-1}+...+c</math> we can express the even powers of i as either 1 or -1. Thus, any polynomial in i can be expressed as <math>c1+c2*i...)
- 16:41, 4 September 2008 (diff | hist) . . (+76) . . Homework 1 ECE301Fall2008mboutin (→Review of Complex Numbers)
- 16:40, 4 September 2008 (diff | hist) . . (-86) . . Homework 1 ECE301Fall2008mboutin (→Periodic and Non-Periodic Functions)
- 16:39, 4 September 2008 (diff | hist) . . (+494) . . N HW1.4 Travis Safford - Some Properties of Complex Numbers ECE301Fall2008mboutin (New page: In any polynomial involving i, i.e. <math>c1*i^n+c2*i^{n-1}+...+c</math> we can express the even powers of i as either 1 or -1. Thus, any polynomial in i can be expressed as <math>c1+c2*i...) (current)
- 16:24, 4 September 2008 (diff | hist) . . (-2) . . Homework 1 ECE301Fall2008mboutin (→Periodic and Non-Periodic Functions)
- 16:19, 4 September 2008 (diff | hist) . . (+88) . . Homework 1 ECE301Fall2008mboutin (→Periodic and Non-Periodic Functions)