rs_encoder

opnet simulation of random access in CDMA network

python 卡曼滤波的python代码和说明文档，程序都在文档里(python kalmanfilter)

说明：  详细介绍了基于均匀线阵型的波达方向估计算法，线性旋转不变性子空间方法tls-esprit，介绍了RMSE变化的情况，具有可操作性。(Introduces the DOA estimation algorithm based on uniform linear array in detail, the linear rotation invariant subspace method (tls-esprit), the changes in RMSE and it is operable.)

用C语言编写的LDPC译码程序，希望对大家有用(Using C language LDPC decoding process, in the hope that useful)

Specification for the WiMAX Standard (包括如何用simulink实现,简单易懂)(Specification for the WiMAX Standard (including where What is the purpose of achieving Simulink and easily understood))

实现了QPSK的调制，使用了ise自带的dds的IP核(QPSK is modulated and the IP core of DDS is used in ise.)

说明：  小数频锁相环建模，适用于学习了解小数频率综合器设计人群。(Modeling of fractional frequency PLL)

这是一个将语音信号通过PCM编码传输的仿真测试程序，内有详细注释，希望对大家有用。(This is a voice signal transmission through the PCM coded simulation testing procedures, with detailed notes, We hope that the right useful.)

提供了一种以matlab/simulink为基础方法，采用lqr和滑模变结构控制相结合的控制器，可用于其他模型(Provides a matlab/simulink based method lqr and sliding mode control combined controller can be used in other model)

1）设计Butterworth型音频抗混叠滤波器； 2）参数： 下通带频率300Hz；上通带频率3400Hz； 下阻带频率280Hz；上阻带频率3600Hz； 通带最大衰减0.3dB； 阻带最小衰减40dB； 3）采用一低通滤波器和一高通滤波器级联； 4）分别确定LPF和HPF的性能指标； 5）求出两滤波器的系统函数和频率响应，并画出其幅频特性曲线； 6）求整个滤波器的系统函数和频率响应，并画出其幅频特性曲线。(1) the design of Butterworth-type audio anti-aliasing filter 2) parameters: passband frequency of 300Hz on pass-band frequency 3400Hz under the stop-band frequency of 280Hz on stop-band frequency 3600Hz passband maximum attenuation of 0.3dB minimum stopband attenuation of 40dB 3) the use of a low-pass filter and a high-pass filter cascade 4) separately to determine the performance of LPF and HPF target 5) to derive two-filter system function and frequency response, and draw its increase frequency characteristic curve 6) for the entire filter system function and frequency response, and draw its amplitude-frequency characteristic curve.)