Dr.Ahmed-Metwally

说明：  用于快时变信道的信道估计算法，基于BEM实现(The channel estimation algorithm for fast time-varying channel is implemented based on BEM)

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.)

This program is for division of natural semiconductor

MIMO-OFDM信道估计，用于最小二乘法和线性最小均方估计方法的性能比较(MIMO-OFDM channel estimation for the linear least squares method and the least square method estimates Performance Comparison)

说明：  用于测试MC55i模块的性能和好坏，使用C++Builder编写经过调试(MC55i module for testing the performance and quality, the use of C Builder after Debugging)

nRF905无线收发模块收发信号程序(The program of the nRF905 wireless transceiver module )

枚举所有网卡、获取设置网卡参数、检查网卡状态、启禁网卡(Enum all NICs,get NIC paramates,check NIC state,enable/disable nic)

CDMA技术原理与发展，以及MATLAB仿真源代码(Principle and Development of CDMA Technology and MATLAB Simulation Source Code)

2fsk调制基于SIMULINK仿真模型 实现了误码率和频谱的仿真 (2FSKtiaozhijiyu simulink fangzhenmoxing shixianlewumlhepinpude fangzhen)

对数域和积算法LDPC解码器,准确无误，望采纳！(Log-domain sum product algorithm LDPC decoder, accurate, hope to adopt!)