WENJIAN

this program for face recognizition

线性调频信号的时域波形、以及模糊函数图、距离分辨力、速度分辨力(Waveform, Ambiguity function, Distance resolution and Speed resolution of LFM)

谱分析的源程序，适合通信等专业的初学者学习使用，希望给需要的人帮助(Spectral analysis of the source, suitable for beginners to learn communication and other professional use, I hope to those who need help)

该程序是基于梳妆导频的OFDM信道估计的最基础的程序，适合初学者(The program is based on the dressing of the OFDM pilot channel estimation the most basic procedures, suitable for beginners)

本资料仅供MATLAB 学习者及相关技术人员研究参考使用(This information is for MATLAB and related technical staff of the learner reference)

功能[DATAOUT]= PGA（DATAIN），执行相位梯度 ％ISAR自动对焦。 ％ ％DATAIN ISAR范围内的实时数据。 DATAOUT％范围内的实时数据已被删除平移 ％相位误差。 ％ ％参考： ％D.E.瓦尔，P.H.艾歇尔，特区吉利亚，C.V. Jakowatz，“相 ％梯度自聚焦一个强大的工具，用于高分辨率SAR相 ％修正“，硕士论文。航空。＆电子系统，第30卷，3，1994。(function [dataout]=PGA(datain) performs phase gradient autofocus of ISAR. datain is range-time data of ISAR. dataout is range-time data that have been removed translational phase error. Reference: D.E. Wahl, P.H. Eichel, D.C. Ghiglia, C.V. Jakowatz, "Phase gradient autofocus-a robust tool for high resolution SAR phase correction," IEEE Trans. Aero. & Elec. Sys., vol. 30, no. 3, 1994.)

说明：  风机的数学模型，通过公式搭建风机的数学模型matlab程序，很实用。(The mathematical model of the fan, through the formula to build the mathematical model of the fan matlab program, is very practical.)

A simple code to simulate BER of 16QAM modulation

自适应谱线增强问题，计算两个输入信号序列的自相关函数，选择合适的步长，以实现输出信号谱线的增强(Adaptive line enhancement problem, the calculation of two input signal sequence auto-correlation function, select the appropriate step in order to achieve enhanced output signal spectrum)

地震波场的s变换,是进行S变换的主程序，将时间离散信号变换到S域(Seismic wave field s transformation, is the main S-transform, discrete time signal is transformed to the S domain)