truetime-1.5

digital signal processing

利用matlab搭建的有关pendulum的仿真程序，已经调试完毕，可以直接使用(Matlab built using the simulation program on the pendulum has finished debugging, you can directly use)

信道编解码中的turbo编解码程序，采用了多种解码算法，进行了性能比较，信道模拟高斯白噪声信道(Channel of the turbo codec codec procedures, using a variety of decoding algorithms, a performance comparison, channel analog Gaussian white noise channel)

利用最大熵进行谱估计。本程序为matlab程序。(Using the maximum entropy spectrum estimation. This program is matlab program.)

基于simulink的PWM可控整流器，可以通过控制占空比实现所需的电压！(PWM controlled rectifier based on simulink, can be realized by controlling the duty ratio required voltage!)

说明：  adaptative colntrol with luenberger observer

通信系统中实现双边带调制与解调。用matlab方式实现。(Communication systems to achieve a bilateral with modulation and demodulation. Way to use matlab.)

实现功能 1) 在用户界面设置录音时长并实时录音 2) 调节放音幅度、播放原声并进行时域、频域绘图 3) 对收集的声音进行倒放处理并播放 4) 对收集声音进行回声处理并播放，比对时域波形 5) 对收集声音进行回响处理并播放，比对时域波形 6) 对经过回声处理的声音进行回音消除并比对时域波形 7) 采用自适应滤波器消除采集声音中的环境噪音 8) 设计相应的滤波器组成均衡器对收集的声音进行处理并播放 9) 男女声识别 10) 设计参数可调的滤波器对采集的声音进行处理 (1) in the user interface to set the recording length and real-time recording 2) to adjust sound, played acoustic amplitude and time domain, frequency domain mapping 3) to upend the collection of sound and play 4) to collect sound echo processing and playback, than in the time domain waveform 5) to collect sound echoes, processing and playback, than in the time domain waveform 6) to echo and treated with echo s voice than in the time domain waveform 7) using adaptive filter to eliminate ambient noise in acquisition voice 8) to design the corresponding filter to process the voice of equalizer to collect and display 9) NanNvSheng recognition 10) tunable filter design parameters for voice processing )

adaptive filtering with matlab

此代码采用分布傅里叶法实现光纤通信中的色散和非线性特性传输。(This code simulates the NRZ code and decode in single mode fiber communication )