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- 17:07, 19 September 2008 (diff | hist) . . (+1) . . Talk:3.B- Ananya Panja ECE301Fall2008mboutin
- 17:07, 19 September 2008 (diff | hist) . . (+9) . . Talk:3.B- Ananya Panja ECE301Fall2008mboutin
- 17:06, 19 September 2008 (diff | hist) . . (+20) . . Talk:3.B- Ananya Panja ECE301Fall2008mboutin
- 17:05, 19 September 2008 (diff | hist) . . (+206) . . N Talk:3.B- Ananya Panja ECE301Fall2008mboutin (New page: I think your deduction on x( − t) − > t * x(t) is incorrect. The given equations are examples instead of general situation. They are based on exponent and we cannot conclude that ...)
- 16:52, 18 September 2008 (diff | hist) . . (-11) . . HW3.B Xujun Huang ECE301Fall2008mboutin (current)
- 16:52, 18 September 2008 (diff | hist) . . (+28) . . HW3.B Xujun Huang ECE301Fall2008mboutin
- 16:51, 18 September 2008 (diff | hist) . . (+202) . . HW3.B Xujun Huang ECE301Fall2008mboutin
- 16:49, 18 September 2008 (diff | hist) . . (+105) . . HW3.B Xujun Huang ECE301Fall2008mboutin
- 16:46, 18 September 2008 (diff | hist) . . (+21) . . HW3.B Xujun Huang ECE301Fall2008mboutin
- 16:45, 18 September 2008 (diff | hist) . . (+123) . . N HW3.B Xujun Huang ECE301Fall2008mboutin (New page: <math>e^2jt = te^(-2jt)</math> <br> <math>e^2jt = te^(-2jt)</math> <br> =><math>\cos(2t)=\frac{e^{2jt}+e^{-2jt}}{2}</math>)
- 15:42, 18 September 2008 (diff | hist) . . (+1) . . HW3.A Xujun Huang ECE301Fall2008mboutin (current)
- 15:42, 18 September 2008 (diff | hist) . . (+50) . . HW3.A Xujun Huang ECE301Fall2008mboutin
- 15:41, 18 September 2008 (diff | hist) . . (+5) . . HW3.A Xujun Huang ECE301Fall2008mboutin
- 15:41, 18 September 2008 (diff | hist) . . (+191) . . N HW3.A Xujun Huang ECE301Fall2008mboutin (New page: A system is memoryless if its output at any time \tau depends only on the input at that same time. A system is with memory if its output at time \tau depends on the input at t>\tau or t<\t...)
- 15:34, 18 September 2008 (diff | hist) . . (+1) . . HW3.C Xujun Huang ECE301Fall2008mboutin (current)
- 15:33, 18 September 2008 (diff | hist) . . (+8) . . HW3.C Xujun Huang ECE301Fall2008mboutin
- 15:29, 18 September 2008 (diff | hist) . . (+5) . . HW3.C Xujun Huang ECE301Fall2008mboutin
- 15:27, 18 September 2008 (diff | hist) . . (+2) . . HW3.C Xujun Huang ECE301Fall2008mboutin
- 15:24, 18 September 2008 (diff | hist) . . (0) . . HW3.C Xujun Huang ECE301Fall2008mboutin
- 15:22, 18 September 2008 (diff | hist) . . (+1) . . HW3.C Xujun Huang ECE301Fall2008mboutin
- 15:21, 18 September 2008 (diff | hist) . . (-2) . . HW3.C Xujun Huang ECE301Fall2008mboutin
- 15:21, 18 September 2008 (diff | hist) . . (+1) . . HW3.C Xujun Huang ECE301Fall2008mboutin
- 19:20, 17 September 2008 (diff | hist) . . (+13) . . HW3.C Xujun Huang ECE301Fall2008mboutin
- 19:18, 17 September 2008 (diff | hist) . . (-12) . . HW3.C Xujun Huang ECE301Fall2008mboutin
- 18:48, 17 September 2008 (diff | hist) . . (+99) . . HW3.C Xujun Huang ECE301Fall2008mboutin
- 18:46, 17 September 2008 (diff | hist) . . (+21) . . HW3.C Xujun Huang ECE301Fall2008mboutin
- 18:44, 17 September 2008 (diff | hist) . . (+955) . . N HW3.C Xujun Huang ECE301Fall2008mboutin (New page: 1. Bob needs to calculate the inverse of the secret matrix, and multiply it by the code given by Alice to get a vector. Then replaces each three entries by its corresponding letter in the ...)
- 18:16, 17 September 2008 (diff | hist) . . (+138) . . Homework 3 ECE301Fall2008mboutin
- 17:29, 10 September 2008 (diff | hist) . . (+231) . . N HW2-A Xujun Huang ECE301Fall2008mboutin (New page: 1. CT periodic signal: y=sinx (T=2π) periodic DT signals: t1= <math>π/2</math> which yields a triangle wave non-periodic DT signals: t2= 1 which yields a series of scatted points ---...) (current)
- 16:58, 10 September 2008 (diff | hist) . . (-36) . . HW2-B Xujun Huang ECE301Fall2008mboutin (current)
- 16:58, 10 September 2008 (diff | hist) . . (+13) . . HW2-B Xujun Huang ECE301Fall2008mboutin
- 16:57, 10 September 2008 (diff | hist) . . (-20) . . File:Plot2 ECE301Fall2008mboutin.jpg
- 16:56, 10 September 2008 (diff | hist) . . (+344) . . HW2-B Xujun Huang ECE301Fall2008mboutin
- 16:52, 10 September 2008 (diff | hist) . . (-20) . . File:Plot1 ECE301Fall2008mboutin.jpg
- 16:52, 10 September 2008 (diff | hist) . . (0) . . HW2-B Xujun Huang ECE301Fall2008mboutin
- 16:51, 10 September 2008 (diff | hist) . . (+1) . . HW2-B Xujun Huang ECE301Fall2008mboutin
- 16:50, 10 September 2008 (diff | hist) . . (+40) . . N HW2-B Xujun Huang ECE301Fall2008mboutin (New page: Image:plot.jpg)
- 16:42, 10 September 2008 (diff | hist) . . (+94) . . HW2.E Xujun Huang ECE301Fall2008mboutin (current)
- 16:38, 10 September 2008 (diff | hist) . . (+83) . . HW2.E Xujun Huang ECE301Fall2008mboutin
- 16:37, 10 September 2008 (diff | hist) . . (+120) . . HW2.E Xujun Huang ECE301Fall2008mboutin
- 16:35, 10 September 2008 (diff | hist) . . (+27) . . HW2.E Xujun Huang ECE301Fall2008mboutin
- 16:35, 10 September 2008 (diff | hist) . . (+229) . . N HW2.E Xujun Huang ECE301Fall2008mboutin (New page: The system is not time invariant Let time delay = t then Xk[n]=δ[n-k] -> time delay -> system =X(k+t)[n]=δ[n-(k+t)]->system =X(k+t)[n]=δ[n-k-t]->system =Y(k+t)[n]=...)
- 16:15, 10 September 2008 (diff | hist) . . (+788) . . N HW2-D Xujun Huang ECE301Fall2008mboutin (New page: If the cascade X(t) -> time delay by t0 -> system -> y(t) yields the same output as the cascade X(t) -> system -> time delay by t0 -> z(t) for any t0, then the system is called time invari...) (current)
- 16:05, 10 September 2008 (diff | hist) . . (+1) . . HW2.C Xujun Huang ECE301Fall2008mboutin (current)
- 16:04, 10 September 2008 (diff | hist) . . (-1) . . HW2.C Xujun Huang ECE301Fall2008mboutin
- 16:04, 10 September 2008 (diff | hist) . . (+11) . . HW2.C Xujun Huang ECE301Fall2008mboutin
- 16:04, 10 September 2008 (diff | hist) . . (+169) . . HW2.C Xujun Huang ECE301Fall2008mboutin
- 15:59, 10 September 2008 (diff | hist) . . (+250) . . N HW2.C Xujun Huang ECE301Fall2008mboutin (New page: If X1(t) -> system => y1(t) and X2(t) -> system => y2(t) implies a*X1(t)+ b*X2(t) -> system => a*y1(t) + b*y2(t) for any complex number a,b then the system is called linear. ---- E.g...)
- 15:53, 10 September 2008 (diff | hist) . . (+46) . . Homework 2 ECE301Fall2008mboutin (→Part E: Linearity and Time Invariance)
- 15:53, 10 September 2008 (diff | hist) . . (+46) . . Homework 2 ECE301Fall2008mboutin (→Part D: Time Invariance)
- 15:53, 10 September 2008 (diff | hist) . . (+46) . . Homework 2 ECE301Fall2008mboutin (→Part C: Linearity)
- 15:52, 10 September 2008 (diff | hist) . . (+46) . . Homework 2 ECE301Fall2008mboutin (→Part B: Find the Bug)
- 15:52, 10 September 2008 (diff | hist) . . (+46) . . Homework 2 ECE301Fall2008mboutin (→Part A: Periodic Signals Revisited)
- 21:40, 4 September 2008 (diff | hist) . . (0) . . HW1.5 Xujun Huang - Signal Energy and Power ECE301Fall2008mboutin (current)
- 21:39, 4 September 2008 (diff | hist) . . (0) . . HW1.5 Xujun Huang - Signal Energy and Power ECE301Fall2008mboutin
- 21:39, 4 September 2008 (diff | hist) . . (+1) . . HW1.5 Xujun Huang - Signal Energy and Power ECE301Fall2008mboutin
- 21:38, 4 September 2008 (diff | hist) . . (+1) . . HW1.5 Xujun Huang - Signal Energy and Power ECE301Fall2008mboutin
- 21:37, 4 September 2008 (diff | hist) . . (0) . . HW1.5 Xujun Huang - Signal Energy and Power ECE301Fall2008mboutin
- 21:36, 4 September 2008 (diff | hist) . . (-1) . . HW1.5 Xujun Huang - Signal Energy and Power ECE301Fall2008mboutin
- 21:35, 4 September 2008 (diff | hist) . . (+1,299) . . N HW1.5 Xujun Huang - Signal Energy and Power ECE301Fall2008mboutin (New page: == Signal == <math> f(t) = \cos^2(t) </math> == Energy == <math>E = \int_{t_1}^{t_2}\!|f(t)|^2\ dt</math> <math>E = \int_{t_1}^{t_2}\!|\cos^2(t)|^2\ dt</math> <math>E = \int_{0}^{2\pi...)
- 21:24, 4 September 2008 (diff | hist) . . (+45) . . HW1.4 Xujun Huang -Periodic and non-periodic functions ECE301Fall2008mboutin (current)
- 21:23, 4 September 2008 (diff | hist) . . (+42) . . HW1.4 Xujun Huang -Periodic and non-periodic functions ECE301Fall2008mboutin
- 21:22, 4 September 2008 (diff | hist) . . (+34) . . N HW1.4 Xujun Huang -Periodic and non-periodic functions ECE301Fall2008mboutin (New page: Periodic function: y=sinx (T=2 pi))
- 21:20, 4 September 2008 (diff | hist) . . (0) . . HW1.3 Xujun Huang - Polar Form of Complex number ECE301Fall2008mboutin (current)
- 21:20, 4 September 2008 (diff | hist) . . (-2) . . HW1.3 Xujun Huang - Polar Form of Complex number ECE301Fall2008mboutin
- 21:20, 4 September 2008 (diff | hist) . . (+1,253) . . N HW1.3 Xujun Huang - Polar Form of Complex number ECE301Fall2008mboutin (New page: Alternatively to the cartesian representation z = x+iy, the complex number z can be specified by polar coordinates. The polar coordinates are r = |z| ≥ 0, called the absolute value or m...)
- 21:19, 4 September 2008 (diff | hist) . . (-1) . . Homework 1 ECE301Fall2008mboutin (→Review of Complex Numbers)
- 21:15, 4 September 2008 (diff | hist) . . (-46) . . HW1.3 Xujun Huang - Fundamental of Complex number ECE301Fall2008mboutin (current)
- 21:14, 4 September 2008 (diff | hist) . . (+1,156) . . N HW1.3 Xujun Huang - Fundamental of Complex number ECE301Fall2008mboutin (New page: The complex numbers are the field of numbers of the form , where and are real numbers and i is the imaginary unit equal to the square root of , . When a single letter is used to denote...)
- 21:14, 4 September 2008 (diff | hist) . . (-20) . . File:Graph ECE301Fall2008mboutin.gif
- 21:13, 4 September 2008 (diff | hist) . . (-2) . . Homework 1 ECE301Fall2008mboutin (→Review of Complex Numbers)
- 21:11, 4 September 2008 (diff | hist) . . (+439) . . N HW1.2 Xujun Huang ECE301Fall2008mboutin (New page: %Hidden Backward Message % XUJUN HUANG % huang122@purdue.edu ---- I tried to search the Matlab Help topics and got the following things I neede, but somehow it doesn't work and I can...) (current)
- 20:52, 4 September 2008 (diff | hist) . . (0) . . Homework 1 ECE301Fall2008mboutin (→Energy and Power)
- 20:51, 4 September 2008 (diff | hist) . . (0) . . Homework 1 ECE301Fall2008mboutin (→Periodic and Non-Periodic Functions)
- 20:51, 4 September 2008 (diff | hist) . . (0) . . Homework 1 ECE301Fall2008mboutin (→Review of Complex Numbers)
- 20:50, 4 September 2008 (diff | hist) . . (+1,526) . . N HW1.1 Xujun Huang ECE301Fall2008mboutin (New page: % Hail Purdue. % XUJUN HUANG % huang122@purdue.edu ---- % note durations. % time signature = 4/4 % quarter note = 180bpm => quarter note duration is 60/180 minute. Q=60/180; H=2*Q...) (current)
- 20:48, 4 September 2008 (diff | hist) . . (0) . . Homework 1 ECE301Fall2008mboutin (→Playing Music)
- 20:48, 4 September 2008 (diff | hist) . . (+46) . . Homework 1 ECE301Fall2008mboutin (→Hidden Backward Message)
- 20:31, 4 September 2008 (diff | hist) . . (+72) . . Homework 1 ECE301Fall2008mboutin (→Energy and Power)
- 20:31, 4 September 2008 (diff | hist) . . (+83) . . Homework 1 ECE301Fall2008mboutin (→Periodic and Non-Periodic Functions)
- 20:28, 4 September 2008 (diff | hist) . . (-2) . . HW1.1 XUJUN HUANG ECE301Fall2008mboutin (current)
- 20:28, 4 September 2008 (diff | hist) . . (+2) . . HW1.1 XUJUN HUANG ECE301Fall2008mboutin
- 20:25, 4 September 2008 (diff | hist) . . (+9) . . HW1.1 XUJUN HUANG ECE301Fall2008mboutin
- 20:25, 4 September 2008 (diff | hist) . . (+247) . . HW1.1 XUJUN HUANG ECE301Fall2008mboutin
- 19:53, 4 September 2008 (diff | hist) . . (+1) . . HW1.1 XUJUN HUANG ECE301Fall2008mboutin
- 19:50, 4 September 2008 (diff | hist) . . (+28) . . HW1.1 XUJUN HUANG ECE301Fall2008mboutin
- 19:49, 4 September 2008 (diff | hist) . . (+6) . . HW1.1 XUJUN HUANG ECE301Fall2008mboutin
- 19:48, 4 September 2008 (diff | hist) . . (-2) . . HW1.1 XUJUN HUANG ECE301Fall2008mboutin
- 19:47, 4 September 2008 (diff | hist) . . (-12) . . HW1.1 XUJUN HUANG ECE301Fall2008mboutin
- 19:46, 4 September 2008 (diff | hist) . . (+12) . . HW1.1 XUJUN HUANG ECE301Fall2008mboutin
- 19:45, 4 September 2008 (diff | hist) . . (+1,233) . . N HW1.1 XUJUN HUANG ECE301Fall2008mboutin (New page: % Hail Purdue. % XUJUN HUANG % huang122@purdue.edu % note durations. % time signature = 4/4 % quarter note = 180bpm => quarter note duration is 60/180 minute. Q=60/180; H=2*Q; % Half n...)
- 19:44, 4 September 2008 (diff | hist) . . (+46) . . Homework 1 ECE301Fall2008mboutin (→Playing Music)
- 17:17, 3 September 2008 (diff | hist) . . (+3) . . Homework 1 ECE301Fall2008mboutin (→Review of Complex Numbers)
- 17:16, 3 September 2008 (diff | hist) . . (-2) . . HW1.3 Xujun HUANG - Polar form of complex number ECE301Fall2008mboutin (current)
- 17:16, 3 September 2008 (diff | hist) . . (+2) . . HW1.3 Xujun HUANG - Polar form of complex number ECE301Fall2008mboutin
- 17:16, 3 September 2008 (diff | hist) . . (-16) . . HW1.3 Xujun HUANG - Polar form of complex number ECE301Fall2008mboutin
- 17:15, 3 September 2008 (diff | hist) . . (+2) . . HW1.3 Xujun HUANG - Polar form of complex number ECE301Fall2008mboutin
- 17:14, 3 September 2008 (diff | hist) . . (-221) . . HW1.3 Xujun HUANG - Polar form of complex number ECE301Fall2008mboutin
- 17:10, 3 September 2008 (diff | hist) . . (+1,487) . . N HW1.3 Xujun HUANG - Polar form of complex number ECE301Fall2008mboutin (New page: Alternatively to the cartesian representation z = x+iy, the complex number z can be specified by polar coordinates. The polar coordinates are r = |z| ≥ 0, called the absolute value or m...)
- 17:06, 3 September 2008 (diff | hist) . . (+77) . . Homework 1 ECE301Fall2008mboutin (→Review of Complex Numbers)
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