搜索资源列表
rayleighfadingchannelsimulationmatlabcode
- 瑞利衰落信道仿真在不同频率和采样频率下的仿真程序，适合开发移动通信系统的仿真-Rayleigh fading channel simulation at different frequency and sampling frequency simulation program, suitable for the development of the mobile communication system simulation
4017
- 在DELPHI环境下实现研华采样模块的串口通讯-in achieving environmental sampling Advantech serial communication module
simulate_QPSK
- OFDM，QPSK调制下仿真程序，包括信道编解码，调制解调，上下采样
simu
- 生成GPS中频数字信号，卫星数2，为1和11号卫星，信噪比，采样率可调，目前采样率5M，请在linux下运行，先阅读readme，按照步骤进行-IF digital signal to generate GPS satellite number 2, for 1 and 11 satellites, signal to noise ratio, adjustable sample rate, the current sampling rate 5M, please run under linux
fcch
- GSM小区搜索为系统中的一个关键过程，本程序为GSM小区初搜过程的第一部，查找频率校正突发的matlab程序，输入数据由采样数据得到，在转换成所需格式后进行处理。若其中包含fcch,则输出找到信息。若没有，则查找下一个突发-Area early in the search for the GSM system, a key process, the procedures for the GSM cell search process, the beginning of the first to
CISQPSK
- 采用重要性采样的方法来代替蒙特卡罗仿真方法，确定数字通信系统的BER。重要性采样方法可以简单的增加信道噪声的方差，等效于使系统工作在一个较低的信噪比的环境下。-Using importance sampling method to replace the Monte Carlo simulation method to determine the digital communication system BER. Importance sampling method can be a simpl
code
- 用Matlab进行BPSK系统发送、接收端的仿真，含有发送端、AWGN信道、匹配滤波、下采样、解调、计算不同信噪比下的误码率，并绘制BER曲线-Matlab simulation of BPSK receiving system，including AWGN channel, match filter, down sample,demodulation and BER calculation
33
- 在多径分量数确定的前提下,MIMO-OFDM系统采用传统的基于导频辅助和盲信道估计算法能获得较好性能。实际无线环境中,多径分量数目与幅度都是时变的,则传统信道估计方法不再适用。该文采用随机集理论建模MIMO-OFDM系统信道多径分量数的变化和MIMO信道。基于此模型提出了集中粒子空间重采样方法(CRS),在保留大概率粒子抽样样本的同时主动抛弃小概率抽样样本,以获得更为准确的真实样本逼近。并提出了基于集中重采样Rao-Blackwellised粒子滤波的信道估计方法(RBPFC)。仿真结果表明:所
mcys
- 基于matlab仿真雷达信号的脉冲压缩过程。产生一个线性调频信号，接受雷达回波中频采样频率为40MHz，中频进行正交下变频。在13.5km出有一个点目标，仿真雷达的脉冲压缩处理。-Matlab simulation of the radar signal pulse compression process. A linear FM signal, to accept the radar echo IF sampling frequency of 40MHz, IF quadrature down
16QAM_Delay-spread
- 16QAM调制信号经过多径信道时延分别为0、8和20个采样点下，比较空白前缀与循环前缀下的性能。-16QAM modulation signal through the multipath channel delay were 0,8 and 20 sampling points, compare the performance blank prefix and the cyclic prefix.
SSMP3
- 基于Android平台，写了一个多采样率的WAV格式录音程序，默认保存文件方式是以当前时间加一个随机数，文件保存至SD卡的soundhold文件夹下，详细实现过程请看源码，欢迎各位下载交流！qq:411697447-Based on the Android platform, writing more than one sampling rate WAV format recording program, the default save the file based on the curren
Audio-record
- Android下实现录音功能，可以设置多种采样速率和编码。-Achieve recording function, we can set up multiple sampling rate and coding.
64QAM_baseband_system_receiver
- 64QAM基带系统接收机matlab代码：添加AWGN噪声，进行接收端匹配滤波器，8倍下采样，解调信号。-64QAM baseband system receiver matlab code: add AWGN noise, matched filter receiving end, eight times the down-sampling, the demodulated signal.
internet_voip_vcPP
- 本源码分成两个问分：A.voip服务器，主要用于将两个终端连接起来，将拨号、挂机、接听等信令转发、语音数相互所转发。B.voip客户端，采用voip常用语音压缩g.729，压缩率可达1/16，采用8K16bit的采样，可以低网速的情况下稳定实现双方通话，软件已提供拨号、持机、接听、忙信号等电话基本功能。-The source code is divided into two sub-Q: A.voip servers, mainly used to connect the two termina
4CPM
- 实现完整的4CPM(h=1/2)调制解调程序，包括消息序列生成，串并转换，升抽样成形滤波，数字上变频，多项式非线性效应，AWGN信道，到接收端数字下变频，降采样，匹配滤波，接收端基带信号星座图。-Message sequence generation, serial-parallel conversion, up sampling shaping filter, digital upconversion, polynomial nonlinear effects, AWGN channel, t
16QAM_matlab
- 实现16QAM完整的调制解调系统，包括基带信号串并转换，星座图映射，升抽样成形滤波，升采样半带滤波，数字上变频，功放的多项式非线性效应，加性高斯白噪声信道，接收端下变频，降采样，匹配滤波，绘制接收端星座图。-16QAM modulation and demodulation realize the complete system, including the baseband signal string and conversion, constellation mapping, samplin
OFDM_D_N
- OFDM在多普勒信道下的仿真，包括扩频调制、上变频、升采样等-OFDM in the Doppler channel simulation, the module is full
chirp-fourier-transform
- chirp fourier transform 线性调频Z变换(CZT) 的matlab功能函数，该方法通过CZT变换获得精确的等价于离散傅里叶变换结果的间谐波信号的频率分布估计值,可以得到精确的各次谐波和间谐波参数,利用该函数相同采样频率下该方法的检测精度更高。(This routine allows the evaluation of the DFT over an arbitrary range of frequencies as its name implies this lets y