Lab3

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说明：  数字信号处理，语音信号的时频分析及滤波恢复 ； 对语音信号进行采样、滤波、加噪等处理，大作业优秀作品(Digital signal processing, speech signal time-frequency analysis and filter recovery; Sample, filter and add noise to speech signal, excellent works of large-scale operation)

我搜集的关于把天线系统的文章。对于多数人多输出系统的八个天线系统进行总结。(eight antennas)

灰色预测模型的matlab程序，用于对时间序列做预测。(Gray prediction model matlab procedure done for time series prediction.)

说明：  图像区域非均匀采样matlab程序 可以实现类人眼的图像不同采样率演示(Image regional non-uniform sampling procedures can be achieved Matlab category eye images demonstrate different sampling rates)

This is the matlab code of improved LEACH. It describe the raffinement of LEACH protocol

彩色图像的局部直方图均衡化程序，可一定程度上增强图像的对比度(Local histogram equalization process a color image, the image contrast can be enhanced to some extent,)

the algorithm is about edge detector that is used to detect edges in an image. Prewitt , SobeL and Robertsfilters are used

LBL卡尔曼滤波/平滑算法与DNS误差参数辨识程序(LBL Kalman filtering/smoothing algorithm with the DNS error parameter identification procedures)

turbo码的编解码程序，采用max-log-map算法，简单易用。程序采用QPSK调制，信道为AWGN(turbo code decoding process, using max-log-map algorithm, easy to use. Program uses QPSK modulation, AWGN channel is)