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digitalmod.rar
- 数字通信调制信号信号模拟系统 信号种类： MASK：2ASK，4ASK，8ASK MPSK：2PSK、4PSK、8PSK MFSK：2FSK、4FSK、8FSK 分连续相位CPFSK和离散相位DPFSK两种 MQAM：16QAM、32QAM、64QAM、128QAM OFDM：子载波数可任意选定，映射方式有BPSK、QPSK、4QAM、16QAM、32QAM、64QAM ,Digital communication system signal-signal analog modul
PhaseNoise_sim
- PLL相位噪声仿真方法总结,用来说明对各个模块相位噪声仿真的方法-PLL phase noise simulation document
OFDM
- OFDM原理国外解释详细文档。及matlab实现。有时域、频域、相位、功率谱等图参照。-OFDM Principles of documents abroad, a more detailed explanation. And matlab implementation. Sometimes domain, frequency domain, phase, power spectra map reference.
WIM2_ITU_ChannelModel_ver4
- The channel modeling work package WP1 of IST-WINNER project provided a Matlab implementation of the WINNER Phase II Model (referred as WIM this onward). The main purpose of the WIM channel models is to generate a radio channel realisations for a
fir
- 用各种窗函数设计FIR数字滤波器。 分别用矩形窗和Hamming窗设计线性相位FIR低通滤波器。要求通带截止频率，单位脉冲响应h(n)的长度N=21，绘出h(n)及其幅频响应特性曲线。 -Window function with a variety of FIR digital filter design. Were rectangular window and Hamming window design of linear phase FIR low-pass filter. Req
Cayiwei
- GPS的matlab程序，用于对产生的ca码进行移位，用在锁相环跟踪中对ca码调增 -GPS-matlab program code used to generate the ca shifting, with the phase-locked loop tracking code on the ca be adjusted by
Untitled1
- 二维阵列波束形成，波束指向图MATLAB程序-phase beamforming
acquisition
- This GPS Acquisition..by Matlab, this file performs cold start acquisition on the collected "data". It searches for GPS signals of all satellites, which are listed in field "acqSatelliteList" in the settings structure. Function saves code phase
acquisition-trial
- This GPS Matlab acquisition code. Function performs cold start acquisition on the collected "data". It searches for GPS signals of all satellites, which are listed in field "acqSatelliteList" in the settings structure. Function saves code phase
AttDet_23_Oct_2008
- 利用gps多天线载波相位技术，确定姿态软件。-The use of multi-antenna gps carrier phase technology, attitude determination software.
DigitalbasebandtransmissionsystemimplementationMAT
- 数字基带传输系统的MATLAB仿真实现 function [sampl,re_sampl]=system_1(A,F,P,D,snr,m,N) 输入变量A ,F,P分别为输入信号的幅度、频率和相位，D为量化电平数，snr 为信道信噪比，N为D/A转换时的内插点数；输出变量sampl为抽样后的输入 信号，re_sampl为恢复出的输入信号。 数字基带传输系统的MATLAB仿真实现 [sampl,quant,pcm]=a_d_1(A,F,P,D) [change
qpsk
- 四进制相移键控，樊昌信《通信原理》内容-Quaternary phase shift keying, Fan Changxin " Communication Theory" content
Pllrrrr
- 锁相环（非科斯塔斯环） 对波动频率进行锁定，并且对信号进行解调。画图7个显示过程及参数-The phase locked loop(PLL),adjusts the phase of a local oscillator.the phase of the incoming signal is locked and the signal is demodulated show the process and references in 7 figures
PLL
- 锁相环问题的仿真，可以解决数字锁相环的仿真问题-Phase-locked loop simulation problem, can solve the problem of digital phase-locked loop simulation
script_ber_msk_awgn
- Minimum Shift Keying (MSK), uses two frequencies which are separated by 1/2T and phase discontinuity is avoided in symbol boundaries. Further, MSK transmission can also be visualized as a variant of offset-QPSK technique, where sinusoidals are used f
Carrierless_16-QAM_(CAP)_Modem
- This is a Simulink Model I created for a Digital Communication Systems class. It demonstrates Carrierless Amplidute Phase(CAP) Modulation and uses a raised cosine pulse to implement a 16-QAM modem.
Spread_2
- This program deals with Spread spectrum communication systems using chaos as the sequence generators.In coming days I will be updating it with complete chaos based generators Frequency Hopping and CDMA systems with multiple users and till oustic netw
PrenticeHallPrincipleofCommunicationSystemSmulatio
- 本书分成三部分，第一部分讨论了仿真的作用和方法论。第二部分介绍了采样定理，滤波器模型、锁相环等的仿真。第三部分是高层建模与仿真方法。-The book is divided into three parts, the first section discusses the role of simulation and methodology. The second part of the sampling theorem, the filter model, phase-locked loop
fourier_series_plot
- Descr iption: This M-file plots the truncated Fourier Series representation of a square wave as well as its amplitude and phase spectrum.- Descr iption: This M-file plots the truncated Fourier Series representation of a squa
基于MATLAB的MSK调制解调实现
- 利用MATLAB集成环境下的M文件，编写程序来实现MSK的调制解调，并绘制出解调前后的时域和频域波形及叠加噪声时解调前后的时频波形，根据运行结果和波形来分析该解调过程的正确性及信道对信号传输的影响。通过这次课程设计进一步加深了我对最小二进制相移键控（MSK）调制解调性能的理解与掌握，同时将课堂上学到的理论知识用于实践。增强了我在模拟仿真方面的能力，为以后系统开发和通信系统仿真打下了良好的基础。(The use of MATLAB in the integrated environment of