BessDerivZerosBisect2

设计一个低通数字滤波器，满足如下设计指标： 通带截止频率：0.2pi，通带波动：1dB 阻带截止频率：0.3pi，阻带衰减：15dB 要求：采用切比雪夫Ⅱ型滤波器原型，并分别采用脉冲响应不变变换法和双线性变换法进行设计，比较设计的结果，并进行分析 (Design a low pass digital filters that meet the following design specifications: passband cutoff frequency: 0.2pi, pass-band fluctuations: 1dB stopband cutoff frequency: 0.3pi, stop-band attenuation: 15dB requirements: use of Chebyshev filter prototypes with type Ⅱ and pulse response were the same transformation and bilinear transformation method designed to compare the results of the design and analysis)

这是一个HDB3编码的matlab程序，可进行信源编码，可以做为一个子程序(This is a HDB3 encoding matlab program source coding can be used as a subroutine)

水声信道建模及其仿真平台的实现_欧晓丽(Underwater acoustic channel modeling and simulation platform to achieve _ Europe Xiaoli)

说明：  design filter for matlab

讲述了合成孔径雷达的基本原理，针对点目标模型进行了理论分析(Tells the story of synthetic aperture radar s basic principle, for a target model are analyzed in theory )

说明：  自适应滤波器。自适应滤波器为11个权系数的FIR结构。（1）不同的方差σ2（2）LMS算法画出一次实验的误差平方收敛曲线，训练长度为500，给出滤波器系数；进行20次独立实验，给出平均收敛曲线。不同步长值的比较。（3）RLS算法，LMS和RLS算法的比较 (Adaptive filter. Adaptive filter weights for 11 of the FIR structure. (1) different variance σ2 (2) LMS algorithm for an experiment to draw square error convergence curve, the training length is 500, given filter coefficient conduct 20 independent experiments, given the average convergence curve. Are not synchronized long value comparison. (3) RLS algorithm, LMS and RLS Algorithms)

M-aray Phase Shift Key Modulation

说明：  仿真FM系统的调制解调全过程，有相干解调，非相干解调，包括大小信噪比的分析，十分完整~包含程序以及仿真结果。都是自己完成的，还有写程序中的一些问题和心得，希望对大家有帮助(The whole process of simulation FM system modulation and demodulation, coherent demodulation, non-coherent demodulation analysis, including the size of the signal-to-noise ratio, very complete to contain the program as well as the simulation results. All their completion, as well as write programs in a number of issues and experiences, we hope to help)

实现了以惯导为基准的组合导航系统，完成了组合导航系统的故障诊断(Achieved with a combination of inertial-based navigation system, the completion of the integrated navigation system fault diagnosis)

matlab 的RLS代码，用于可适应滤波器的回声消除功能(matlab for RLS code can be adapted to filter for echo cancellation functionality)