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IS95_baseband_simulation
- his packet is a IS-95 baseband simulation for 1 data channel of 9.6 KBps rate. The simulation is written for static channel and AWGN noise. The packet include: 1) Packet Builder (Viterbi Encoding, Interleaver, PN generation) 2) Modulator (RRC
mmse_mpsk
- This an adaptive receiver for a direct-sequence spread spectrum (DS-SS) system over an AWGN channel. The adaptive receiver block is modified from the LMS adaptive filter block in DSP Blockset. For DS-SS signal reception, the adaptive filter needs to
ADDAwatermarking
- 用MATLAB实现了该算法，并对所实现方法进行了验证，在步骤（3）中则给出了求出滤波器类型及参数的方案，并进行验证，在步骤（4）中通过MATLAB的AWGN函数等相关知识实现了AWGN信道的仿真。 本文首先介绍数字水印和音频水印的相关概念和发展概况，接着介绍了完成仿真工作所需的基础知识，之后提出DA/AD变换的仿真实现，-Using MATLAB realization of the algorithm, and the realization method of authenticatio
awgnchannelsimulation
- 掌握二进制信号传输的系统特征，针对awgn信道的通信系统仿真匹配滤波（相关滤波）的通信过程-Grasp the binary system of signal transmission characteristics of awgn channel for communication system simulation matched filter (correlation filtering) of the communication process
proj21
- - The generator of the information - QPSK Modulator - Output filter - AWGN noise generator - Input filter - QPSK demodulator and detector
yuyinxinhaochuli
- 录制一段语音 （1）对其进行时频域分析 （2）加随机噪声，并对含噪语音进行时频域分析 （3）设计滤波器对含噪语音进行滤波（wavread,fft,awgn或randn, filter等） -Frequency domain analysis (2) plus random noise, and frequency-domain analysis with noisy speech (3) design filters for filtering noisy speech (wav
Forward_Channel_simu_IS_95_standrd_sys
- This packet is a IS-95 baseband simulation for 1 data channel of 9.6 KBps rate. The simulation is written for static channel and AWGN noise. The packet include: 1) Packet Builder (Viterbi Encoding, Interleaver, PN generation) 2) Modulator (R
example_channelEQ_Godard - 副本
- 信道均衡的MATLAB程例，是一个很好的例子，对于做通信信道仿真研究的就有较高的参考和使用价值。(In this example we have a typical channel equalization scenario. We want to estimate the transmitted sequence with 4-QAM symbols. In order to accomplish this task we use an ad
16qam
- 随机信号通过平方根升余弦滤波器滤波后，进入AWGN信道，接收机采用的是LMS算法，通过循环找到最佳的截止频率(The random signal is filtered through the square root cosine filter and enters the AWGN channel. The receiver uses the LMS algorithm to find the best cut-off frequency through the loop.)
OFDM
- 结合理论课讲解基于Matlab仿真OFDM信号，绘制OFDM符号星座图，时域、频域曲线； 绘制发送端、接收端低通滤波器的幅频特性； 分析AWGN信道条件下OFDM系统的误码率性能( combined with the theory of lesson based on Matlab simulation OFDM signal, drawing OFDM symbol constellation, time domain, frequency