exterior

说明：  测向定位，三站平面时差定位的MATLAB仿真和GDOP图！(Finding and location)

小波分析是傅立叶分析思想方法的发展与延拓(Wavelet analysis is a Fourier analysis of the development and extension thinking)

Buck and boost converter simply modified

BPSK基带调制解调,包括载波调制解调，位同步和定时同步(BPSK baseband modulation and demodulation, including the carrier modulation and demodulation, bit synchronization and timing synchronization)

一个在matlab环境下实现FFT的实践和功率谱分析的程序(this is a program about fft and psd analysis)

说明：  针对污水处理系统的多变量、非线性、时变性与随机性等特点，介绍了专家系统的结构和特点及其在污水处理领域的应用研究现状，分析了其存在的问题。结果表明，国外专家系统发展迅速，并且应用领域遍及污水处理系统的各个方面，国内尚处于起步阶段。最后提出了在污水处理领域专家系统应用研究的发展方向。(Sewage treatment system for multi-variable, nonlinear, time variability and random other peculiarity of the structure and characteristics of expert systems and its application of sewage processing status, and analyzes its problems. The results show that the rapid development of foreign expert systems, and applications across all aspects of sewage treatment system, domestic still in its infancy. Finally, an expert in the field of wastewater treatment system application development direction.)

对于N=11的标准线阵，分别采用如下波束形成器进行最优波束形成，要求含有干扰信号和噪声。 1、最小方差无失真响应（MVDR）波束形成器； 2、最小功率无失真响应（MPDR）波束形成器。(Minimum variance distortionless response (MVDR) beamformer Minimum power distortionless response (the MPDR) beamformer.)

对数字信号的波形及其频谱分析，着重比较其在时域和频域上的差别(Digital signal waveform and its spectrum analysis, focused on comparative differences in the time domain and frequency domain)

向matlab中读入s2p文件的数据。读入的数据格式为freqx[S11 S21 S12 S22](The program read .s2p file into matlab. The data matrix will have a dimension of freqx4. the four columns are [s11 s21 s12 s22].)

实现数字图像的经典CFAR恒虚警检测，可用于检测雷达或可见光图像中的目标(Digital images of the classic CFAR CFAR detection can be used to detect radar or visible image of the target)