csma_cd

数字信号处理及MATLAB实现 具体的例子与码源 很能帮助初学者学习(Digital signal processing and MATLAB implementation specific examples with source code is to help beginners to learn)

ofdm系统功率自适应功率分配算法研究的matlab程序(ofdm Power System Adaptive Power Allocation for the Matlab procedures)

对数谱最小均方误差语音增强算法（LSA-MMSE），对加入有音无音判决进一步提高信噪比，消噪效果非常好。适合各种平稳噪声。(right spectrum minimum mean square error speech enhancement algorithm (LSA- MMSE). sound right to a sound judgment without further improve signal-to-noise ratio, denoising effect was very good. For a wide range of stationary noise.)

使用imcorr软件得到的test.out文件，用此代码能够实现梯度场的矢量绘图(Use test.out file imcorr software was used to achieve this code vector drawing gradient field)

以中等纯度的精馏塔为研究对象，考虑到不等分子溢流的影响和非理想的汽液平衡，可以得到塔顶产品轻组分含量Y与回流量L之间的传递函数为： 控制要求： 1.采用积分分离 PID控制算法将塔顶轻组分含量Y控制在0.99 2.采用继电法整定PID参数 3.整定效果验证：当被控过程参数时变时，如滞后时间由4→8，开环增益由3.4→6时, 讨论PID控制的响应速度及鲁棒性问题，考察当系统参数发生改变时，上述PID参数是否选取合适。 (Moderate purity fractionator as the object of study, taking into account the ranging molecular overflowing and non-ideal vapor-liquid equilibrium can be obtained by the transfer function between the content of light components of the overhead product Y and back to the flow L: Control Requirements: 1. integral separation PID control algorithm to control the top of the tower light component content Y 0.99 2. relay Law tuning PID parameters. tuning effect is verified: change When accused of process parameters, such as the lag time from 4 → 8, the open loop gain discussed from 3.4 → 6, the PID control of the response speed and robustness issues investigated when the system parameters are changed, the PID parameters select appropriate.)

分析雷达信号方向基于四阶累积量的MUSIC算法可以实现阵列扩展,提高了DOA估计精度、分辨率,降低阵列信号处理对信噪比的要求。(Analysis of radar signal direction of MUSIC algorithm based on fourth-order cumulants can realize array extension, improve the DOA estimation precision, resolution, reduce the requirement of array signal processing of signal to noise ratio.)

为给定的wav文件绘制频谱图（频谱照片）。内附程序及报告书。(Wav files for a given Spectrogram diagram drawing (spectrum photo). Included procedures and report.)

用matlab产生仿真BOC信号，并对BOC信号采样并用FFT进行频谱分析。(BOC signals generated simulation using matlab, and the BOC signal sampling and spectral analysis using FFT.)

Test k-means on 2-D data

说明：  LDPC码编解码程序，LDPC，Matlab，VMSK(LDPC encoding and decoding procedures)