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[Communication-Mobile] OFDM_systom DL : 0: OFDM的发射端，包括pi/4DQPSK的调制，ifft，加帧头以及组帧-The OFDM transmitter, including pi/4DQPSK modulation, ifft, plus header and Framing
Date : 2026-01-01 Size : 1kb User : xiaoxiao
[Communication-Mobile] orthogonal_signal_BER DL : 0: 以cos（2*pi*k*t/N）信号空间，k=0,1,……N-1, 取N= 4，8，16，32，64等基信号作为传输信号，通过计算机仿真正交信号的误码率。-To cos (2* pi* k* t/N) signal space, k = 0,1, ... ... N-1, take N = 4,8,16,32,64, such as the base signal as a transmission signal, through computer simulation orthogonal signal BER.
Date : 2026-01-01 Size : 53kb User : caomin
[Communication-Mobile] exec2_1 DL : 0: 哈明窗设计带通滤波器低阻带边缘：0.3*pi ；高阻带边缘：0.6*pi AS＝50dB；低通带边缘：0.4*pi RP＝0.5dB；高通带边缘：0.5*pi -hamming window design a bandpass filter
Date : 2026-01-01 Size : 1kb User : 王硕
[Communication-Mobile] Amplitude_mod_m DL : 0: fm=input( Enter the message signal frequency fm= ) fc=input( Enter the carrier frequency fc= ) Am=input( Enter the message signal amplitude Am= ) Ac=input( Enter the carrier signal frequency Ac= ) n=input( Enter the no of DFT points: ) tm=(1/fm) tc=(1/fc) nfc=40 t=0:(tc/nfc):4*tm msg=Am*cos(2*pi*fm*t) car=Ac*cos(2*pi*fc*t) Modulation dsb=msg.*car AM=(dsb/Ac)+car figure(1) subplot(2,1,1) plot(t,msg) subplot(2,1,2) plot(t,car) figure(2) subplot(2,1,1) plot(t,dsb) subplot(2,1,2) plot(t,AM) -fm=input( Enter the message signal frequency fm= ) fc=input( Enter the carrier frequency fc= ) Am=input( Enter the message signal amplitude Am= ) Ac=input( Enter the carrier signal frequency Ac= ) n=input( Enter the no of DFT points: ) tm=(1/fm) tc=(1/fc) nfc=40 t=0:(tc/nfc):4*tm msg=Am*cos(2*pi*fm*t) car=Ac*cos(2*pi*fc*t) Modulation dsb=msg.*car AM=(dsb/Ac)+car figure(1) subplot(2,1,1) plot(t,msg) subplot(2,1,2) plot(t,car) figure(2) subplot(2,1,1) plot(t,dsb) subplot(2,1,2) plot(t,AM)
Date : 2026-01-01 Size : 1kb User : dasu
[Communication-Mobile] pi4-QDPSK DL : 0: pi/4-qdpsk调制解调程序，能有效地进行差分解调和鉴频器解调，在一些不易提取载波的场合很有用。因此，利用仿真来研究系统是必要的。-pi/4-qdpsk modulation and demodulation process, can effectively reconcile the difference solution frequency discriminator demodulation, carrier extraction in a number of difficult situations is useful. Therefore, the use of simulation to study the system is necessary.
Date : 2026-01-01 Size : 1kb User : 红茶坊
[Communication-Mobile] pi4DQPSK DL : 0: 实现4/piQPSK的调制，输出波形和功率谱-make the 4/pi QPSk signal and put ot the waveform of the signal
Date : 2026-01-01 Size : 1kb User : 白群
[Communication-Mobile] Implementing-a-pi-4-Shift-D-QPSK DL : 0: Implementing a pi› /4 Shift D-QPSK Baseband Modem Using the TMS320C50-Implementing a pi› /4 Shift D-QPSK Baseband Modem Using the TMS320C50
Date : 2026-01-01 Size : 277kb User : jamal shaker
[Communication-Mobile] s5 DL : 0: Performance Analysis of the pi/4-DQPSK-OFDM System with Equalizer for the Wireless Multimedia Communication
Date : 2026-01-01 Size : 157kb User : sayeed
[Communication-Mobile] PI_DQPSK DL : 0: 用蒙特卡罗仿真的方法实现pi/4 DQPSK的调制和解调系统。-pi/4 DQPSK, Modulation and demodulation system
Date : 2026-01-01 Size : 2kb User : 詹莉
[Communication-Mobile] 2ssiignal11a DL : 0: 2ask，4ask，2fsk，4fsk，2psk，4psk，16qamm，gmsk，msk，pi/4qpsk，oqpsk.11种数字信号的生成。 -2ask, 4ask, 2fsk 4fsk, 2psk 4psk, 16qamm, GMSK, msk, pi/4qpsk, oqpsk.11 kinds of digital signal' s generation.
Date : 2026-01-01 Size : 5kb User :
[Communication-Mobile] pi4DQPSK DL : 0: 本代码主要通过pi/4 DQPSK，经过AWGN信道，可以对比不同offset下BER的变化。主程序请点击BER_Figure。-This code mainly by pi/4 DQPSK, through AWGN channel, you can compare different offset changes under the BER. Click on the main BER_Figure.
Date : 2026-01-01 Size : 4kb User : 俊叙
[Communication-Mobile] sightwords-master DL : 0: Simple browser-based HTML5 sightword, reading, and typing tutor for my daughter s Raspberry Pi
Date : 2026-01-01 Size : 8kb User : xizao
[Communication-Mobile] pi-4QPSK DL : 0: 在AWGN信号下，实现pi-4 QPSK调制解调(pi-4 QPSK modulation and demodulation)
Date : 2026-01-01 Size : 1kb User : lilingyan114
[Communication-Mobile] smartcar DL : 0: 智能小车开源代码，包括前后左右控制， video部分，加速，后退，等。可以进行进一步开发编程，用python语言，同时兼容C语言编程。平台Windows也可兼容。(This is an open source about respberry pi car.)
Date : 2026-01-01 Size : 4.23mb User : unclezhang
[Communication-Mobile] lanbanbui DL : 0: Part of the license plate recognition locator feature, Complex of three-point Gauss-lengend the Formula pi, Simulation of doubly fed induction generator system.
Date : 2026-01-01 Size : 147kb User : fangfielingfai
[Communication-Mobile] pingheng_v21 DL : 0: Complex of three-point Gauss-lengend the Formula pi, Mainly based on the mtlab procedures, Spectral methods of computational fluid dynamics flow of some of the overall stability of the phenomenon.
Date : 2026-01-01 Size : 38kb User : hpsvgy
[Communication-Mobile] cantest DL : 0: can util c++ 树莓派 can通讯c语言源码(can util c++ raspberry pi can communication c source)
Date : 2026-01-01 Size : 120kb User : A*dministator