OFDM

filter design, path adjustment for speech recognition

说明：  连杆机构的运动设计，matlab程序设计，连杆的运动设计(rod design )

对于给定的雷达信号参数,对线性调频信号时域与频域的波形仿真(Radar signal for a given parameter, the linear frequency modulated signal time-domain and frequency domain waveform simulation)

层次分析法matlab代码；在网上找到了一些好用的层次分析法的代码，挺好用的！(AHP matlab code the Internet to find some useful analytic hierarchy code, very good use!)

该程序在matlab环境下建立了三维曲线的拟合方法，该方法拟合效果较好。(The program in the matlab environment established a three-dimensional curve fitting method, the method fitting better.)

emd算法 主要用来提取信号的本征模态，将信号的原始信号从混合噪声中提取出来(emd algorithm Mainly used to extract the signal intrinsic mode, the original signal from the mixed noise extraction)

提取信号七个基于瞬时信息的特征：零中心归一化瞬时幅度功率谱密度的最大值,零中心归一化瞬时幅度绝对值的标准偏差，零中心非弱信号段瞬时相位非线性分量绝对值标准偏差，零中心非弱信号段瞬时相位非线性分量标准偏差，零中心归一化的非弱信号段瞬时频率绝对值的标准偏差，一个信号段的归一化瞬时频率功率谱密度的最大值，根据信号 QPSK 和16QAM在 XI 轴投影的不同表现，提出特征参数。(Extraction based on instantaneous information signal of seven characteristics: zero center normalized instantaneous amplitude of the maximum power spectral density, zero-center normalized standard deviation of the instantaneous rate of absolute zero center section of non-weak signal instantaneous phase nonlinear component absolute value of standard deviation, non-zero center section of the weak signal non-linear component of the standard deviation of the instantaneous phase, zero-center non-normalized absolute value of the weak signal section of the standard deviation of the instantaneous frequency of a signal segment of the normalized power spectral density of instantaneous frequency maximum, according to the signal QPSK and 16QAM in the XI-axis projection of the different performance of the proposed characteristic parameters.)

qam仿真程序，主要包括输入信号的qam调制(qam simulation program, which mainly includes the input signal modulation qam)

matlab 单载波频域均衡仿真。采用时频混合的方式(matlab sc-FDE)

MIE散射计算单个液滴散射因子及不对称，快捷方便，可任意修改尺寸，方向和折射率(codes for electromagnetic scattering by a homogeneous sphere, layered sphere, and cluster of spheres)