User account "Skray" is not registered.
- 17:40, 26 September 2008 (diff | hist) . . (-12) . . HW4.5 Sean Ray ECE301Fall2008mboutin (current)
- 17:39, 26 September 2008 (diff | hist) . . (+338) . . HW4.5 Sean Ray ECE301Fall2008mboutin (→Guess the Periodic Signal)
- 17:12, 26 September 2008 (diff | hist) . . (+43) . . N HW4.5 Sean Ray ECE301Fall2008mboutin (New page: ==Guess the Periodic Signal== ==Answer==)
- 17:11, 26 September 2008 (diff | hist) . . (+43) . . Homework 4 ECE301Fall2008mboutin (→Guess the Periodic Signal)
- 17:09, 26 September 2008 (diff | hist) . . (+3) . . HW4.3 Sean Ray ECE301Fall2008mboutin (→Signal Response) (current)
- 17:09, 26 September 2008 (diff | hist) . . (+3) . . HW4.3 Sean Ray ECE301Fall2008mboutin (→System Function)
- 17:08, 26 September 2008 (diff | hist) . . (+1,117) . . N HW4.3 Sean Ray ECE301Fall2008mboutin (New page: ==Define a CT, LTI System== One possible CT, LTI system would be <math>y(t) = 3x(t-2) \!</math> ===Unit Impulse Response=== The unit impulse response of the system is found by substitu...)
- 16:40, 26 September 2008 (diff | hist) . . (+43) . . Homework 4 ECE301Fall2008mboutin (→Define a CT, LTI System)
- 16:37, 26 September 2008 (diff | hist) . . (+1) . . HW4.1 Sean Ray ECE301Fall2008mboutin
- 16:36, 26 September 2008 (diff | hist) . . (+57) . . HW4.1 Sean Ray ECE301Fall2008mboutin
- 16:33, 26 September 2008 (diff | hist) . . (0) . . HW4.1 Sean Ray ECE301Fall2008mboutin (→Fourier Series Coefficients)
- 16:32, 26 September 2008 (diff | hist) . . (+1,284) . . N HW4.1 Sean Ray ECE301Fall2008mboutin (New page: ==Problem== Find the Fourier series coefficients of a CT signal. I chose the signal <math>x(t) = 3cos(2t)</math>. ==Fourier Series Coefficients== The Fourier series of an equation can be...)
- 15:17, 26 September 2008 (diff | hist) . . (+43) . . Homework 4 ECE301Fall2008mboutin (→Periodic CT Signal, Fourier Series Coefficients)
- 17:07, 18 September 2008 (diff | hist) . . (+3,317) . . N HW3.C Sean Ray ECE301Fall2008mboutin (New page: ==Applying Linearity== ===The Problem=== Alice is using a 3-by-3 secret matrix to encrypt a written text and send it to Bob. Her encryption method is as follows. First, Alice tells Bob w...) (current)
- 16:09, 18 September 2008 (diff | hist) . . (+43) . . Homework 3 ECE301Fall2008mboutin (→Application of linearity)
- 16:09, 18 September 2008 (diff | hist) . . (+608) . . N HW3.B Sean Ray ECE301Fall2008mboutin (New page: ==A Linear Problem== For a given system, <math>e^{2jt}</math> -> <math>te^{-2jt}</math> and <math>e^{-2jt}</math> -> <math>te^{2jt}</math> What is the system’s response to <math>c...) (current)
- 15:52, 18 September 2008 (diff | hist) . . (+43) . . Homework 3 ECE301Fall2008mboutin (→The basics of linearity)
- 15:50, 18 September 2008 (diff | hist) . . (+571) . . HW3.A Sean Ray ECE301Fall2008mboutin (current)
- 15:37, 18 September 2008 (diff | hist) . . (+21) . . N HW3.A Sean Ray ECE301Fall2008mboutin (New page: ==Memoryless System==)
- 15:02, 18 September 2008 (diff | hist) . . (+43) . . Homework 3 ECE301Fall2008mboutin (→Understanding System’s Properties)
- 16:40, 12 September 2008 (diff | hist) . . (+13) . . HW2-C Sean Ray ECE301Fall2008mboutin (→Linearity) (current)
- 16:39, 12 September 2008 (diff | hist) . . (+120) . . HW2-D Sean Ray ECE301Fall2008mboutin (current)
- 16:37, 12 September 2008 (diff | hist) . . (+97) . . HW2-C Sean Ray ECE301Fall2008mboutin (→Linearity)
- 16:29, 12 September 2008 (diff | hist) . . (+19) . . N HW2-D Sean Ray ECE301Fall2008mboutin (New page: ==Time Invariance==)
- 16:29, 12 September 2008 (diff | hist) . . (+11) . . HW2-E Sean Ray ECE301Fall2008mboutin (current)
- 16:28, 12 September 2008 (diff | hist) . . (+551) . . N HW2-E Sean Ray ECE301Fall2008mboutin (New page: ==Linearity and Time Invariance== For the system Xk[n]=d[n-k] The output is defined as Yk[n]=(k+1)2 d[n-(k+1)] a) Time Invariance This system is not time invariant because it is depe...)
- 11:23, 12 September 2008 (diff | hist) . . (+13) . . N HW2-C Sean Ray ECE301Fall2008mboutin (New page: ==Linearity==)
- 11:10, 12 September 2008 (diff | hist) . . (+1) . . HW2-B Sean Ray ECE301Fall2008mboutin (→Buggy Code) (current)
- 11:08, 12 September 2008 (diff | hist) . . (+1,019) . . N HW2-B Sean Ray ECE301Fall2008mboutin (New page: ==Buggy Code== F0 =13; T0 =1/F0; Ts = 0.07; t = 0:Ts:13*T0; x = real(exp(j*(2*pi*F0*t-pi/2))); plot(t,x) The above MATLAB code is supposed to output 13 cycles of a 13 Hz sine wave. How...)
- 11:07, 12 September 2008 (diff | hist) . . (-20) . . File:Skray hw2 proper wave ECE301Fall2008mboutin.jpg
- 11:06, 12 September 2008 (diff | hist) . . (-20) . . File:Skray hw2 buggy wave ECE301Fall2008mboutin.jpg
- 11:04, 12 September 2008 (diff | hist) . . (-20) . . File:Skray hw2 buggy wave overlaid ECE301Fall2008mboutin.jpg
- 08:01, 12 September 2008 (diff | hist) . . (+895) . . HW2-A Sean Ray ECE301Fall2008mboutin (→Part 2: Periodic Signal from a Non-Periodic Signal) (current)
- 07:54, 12 September 2008 (diff | hist) . . (-20) . . File:Skray hw2 logx periodic ECE301Fall2008mboutin.jpg
- 07:54, 12 September 2008 (diff | hist) . . (-20) . . File:Skray hw2 logx ECE301Fall2008mboutin.jpg
- 06:58, 12 September 2008 (diff | hist) . . (+1,571) . . N HW2-A Sean Ray ECE301Fall2008mboutin (New page: ==Part 1: DT Signals From one CT Signal== In this example, I will use the CT signal I demonstrated in homework 1.4, <math>sin(x)</math>, to create two DT signals. One signal will be peri...)
- 06:57, 12 September 2008 (diff | hist) . . (-20) . . File:Skray hw2 sin sample pi noline ECE301Fall2008mboutin.jpg
- 06:57, 12 September 2008 (diff | hist) . . (-20) . . File:Skray hw2 sin sample pi ECE301Fall2008mboutin.jpg
- 06:26, 12 September 2008 (diff | hist) . . (-20) . . File:Skray hw2 sin sample e noline ECE301Fall2008mboutin.jpg
- 06:23, 12 September 2008 (diff | hist) . . (-20) . . File:Skray hw2 sin sample e ECE301Fall2008mboutin.jpg
- 06:19, 12 September 2008 (diff | hist) . . (-20) . . File:Skray hw2 sin ECE301Fall2008mboutin.jpg
- 05:47, 12 September 2008 (diff | hist) . . (+43) . . Homework 2 ECE301Fall2008mboutin (→Part E: Linearity and Time Invariance)
- 05:46, 12 September 2008 (diff | hist) . . (+43) . . Homework 2 ECE301Fall2008mboutin (→Part D: Time Invariance)
- 05:46, 12 September 2008 (diff | hist) . . (+43) . . Homework 2 ECE301Fall2008mboutin (→Part C: Linearity)
- 05:46, 12 September 2008 (diff | hist) . . (+43) . . Homework 2 ECE301Fall2008mboutin (→Part B: Find the Bug)
- 05:45, 12 September 2008 (diff | hist) . . (+43) . . Homework 2 ECE301Fall2008mboutin (→Part A: Periodic Signals Revisited)
- 15:48, 5 September 2008 (diff | hist) . . (+1,016) . . N HW1.5 Sean Ray ECE301Fall2008mboutin (New page: ==Equations== The energy expanded from a time t1 to a time t2 in a CT signal is calculated by <math>E = \int_{t_1}^{t_2} \! |x(t)|^2\ dt</math> The power over a time period t1 to t2 is...) (current)
- 13:12, 5 September 2008 (diff | hist) . . (+811) . . N HW1.4 Sean Ray ECE301Fall2008mboutin (New page: ==Periodic Signal== A continuous time (CT) signal is periodic if it there exists some T such that x(t+T)=x(t) for all t. A discrete time (DT) signal is periodic if there exists some integ...) (current)
- 11:17, 5 September 2008 (diff | hist) . . (+43) . . Homework 1 ECE301Fall2008mboutin (→Periodic and Non-Periodic Functions)
- 11:16, 5 September 2008 (diff | hist) . . (+43) . . Homework 1 ECE301Fall2008mboutin (→Energy and Power)
- 11:15, 5 September 2008 (diff | hist) . . (+1,151) . . N HW1.3 Sean Ray - Converting Complex Cartesian Numbers to Polar Form ECE301Fall2008mboutin (New page: Complex numbers are defined as an extension of real numbers by adding an imaginary part i, where <math>i=\sqrt{-1}</math>. This page is meant to help explain how to convert complex number...) (current)
- 11:15, 5 September 2008 (diff | hist) . . (+53) . . Homework 1 ECE301Fall2008mboutin (→Review of Complex Numbers)
- 11:14, 5 September 2008 (diff | hist) . . (-48) . . Homework 1 ECE301Fall2008mboutin (→Review of Complex Numbers)
- 11:13, 5 September 2008 (diff | hist) . . (+48) . . Homework 1 ECE301Fall2008mboutin (→Review of Complex Numbers)
- 11:12, 5 September 2008 (diff | hist) . . (+1,141) . . N HW1.3 Sean Ray ECE301Fall2008mboutin (New page: Complex numbers are defined as an extension of real numbers by adding an imaginary part i, where <math>i=\sqrt{-1}</math>. This page is meant to help explain how to convert complex number...) (current)
- 10:38, 5 September 2008 (diff | hist) . . (+43) . . Homework 1 ECE301Fall2008mboutin (→Review of Complex Numbers)
- 14:14, 4 September 2008 (diff | hist) . . (+61) . . HW1.1 Sean Ray ECE301Fall2008mboutin (→Matlab Code) (current)
- 14:14, 4 September 2008 (diff | hist) . . (+1) . . m HW1.1 Sean Ray ECE301Fall2008mboutin (→Recording)
- 14:14, 4 September 2008 (diff | hist) . . (+230) . . HW1.1 Sean Ray ECE301Fall2008mboutin (→Recording)
- 14:12, 4 September 2008 (diff | hist) . . (+6) . . HW1.1 Sean Ray ECE301Fall2008mboutin (→Recording)
- 14:11, 4 September 2008 (diff | hist) . . (-6) . . HW1.1 Sean Ray ECE301Fall2008mboutin (→Recording)
- 14:09, 4 September 2008 (diff | hist) . . (+4) . . HW1.2 Sean Ray ECE301Fall2008mboutin (→Hidden Message) (current)
- 14:08, 4 September 2008 (diff | hist) . . (+4) . . HW1.2 Sean Ray ECE301Fall2008mboutin (→Hidden Message)
- 14:07, 4 September 2008 (diff | hist) . . (0) . . N File:Judas Priest Reversed (Half time) ECE301Fall2008mboutin.ogg (current)
- 14:06, 4 September 2008 (diff | hist) . . (-20) . . File:Judas Priest Reversed ECE301Fall2008mboutin.ogg
- 14:02, 4 September 2008 (diff | hist) . . (+1,527) . . N HW1.2 Sean Ray ECE301Fall2008mboutin (New page: ==Hidden Message== As any quick internet search will turn up, the clip in question is from the end of the Judas Priest song "Beyond the Realms of Death". Knowing this, it's easy to figur...)
- 13:32, 4 September 2008 (diff | hist) . . (+43) . . Homework 1 ECE301Fall2008mboutin (→Hidden Backward Message)
- 13:13, 4 September 2008 (diff | hist) . . (+12) . . File:HailPurdueTwiceAsHigh ECE301Fall2008mboutin.ogg (Purdue fight song, up an octave.)
- 13:12, 4 September 2008 (diff | hist) . . (+13) . . File:HailPurdueDoubleTime ECE301Fall2008mboutin.ogg (Purdue fight song, twice as fast.)
- 13:11, 4 September 2008 (diff | hist) . . (+104) . . HW1.1 Sean Ray ECE301Fall2008mboutin (→Recording)
- 13:09, 4 September 2008 (diff | hist) . . (+15) . . File:HailPurdue ECE301Fall2008mboutin.ogg (uploaded a new version of "Image:HailPurdue.ogg": Purdue Fight Song)
- 12:43, 4 September 2008 (diff | hist) . . (+15) . . File:HailPurdue ECE301Fall2008mboutin.ogg (Chorus line of Purdue's fight song.)
- 12:37, 4 September 2008 (diff | hist) . . (+1,535) . . N HW1.1 Sean Ray ECE301Fall2008mboutin (New page: ==Recording== In the process of recording the song, I'll get back to you. ==Matlab Code== Hail Purdue <pre> clear clc %Sample rate del=.00005; %calculate frequencies for the notes in ...)
- 07:48, 4 September 2008 (diff | hist) . . (+43) . . Homework 1 ECE301Fall2008mboutin