normal_before

音乐和的设计，硬件语言描叙，书上的源代码哦(Music and design, hardware language describes, the book s source code Oh)

这里提供了两个消除趋势相的matlab程序 在故障诊断中 要对信号进行频谱分析 而在频谱分析前要消除趋势相 这样得到的频谱 能更好的反映故障 有利于进一步诊断(Here are two trends in the elimination phase of the matlab program in fault diagnosis to the signal spectrum analysis and spectrum analysis in the former to eliminate the tendency of such spectrum can be better reflected further in favor of fault diagnosis)

说明：  cma自适应恒模算法，由接受信号估计信道的自适应恒模算法(cma constant modulus adaptive algorithm, to receive signals from the adaptive channel estimate constant modulus algorithm)

一个十分实用的RMS框架，实现了RMS操作的一常用方法(RMS is a very useful framework to achieve a common method for RMS operations)

说明：  高斯噪声下的64QAM调制的误码率检测与理论值比较(Gaussian noise 64QAM modulation of the error detection rate compared with the theoretical value)

SIFT特征点检测，配准、匹配，代码经验证可用(sift match ransac appendimages)

simulink model of an z source inverter and boost converter. try to verify the performance. it is for study purpose..

原理：乘同余法产生随机数来生成均匀分布、瑞利分布、正态分布，压缩包包括3个分布的Matlab源代码(Principle: multiplicative congruential method to generate random numbers to generate uniformly distributed ，Rayleigh distribution and normal distribution.This package includes three distribution of Matlab source code.)

本程序详细描述了电磁波在水下传输的衰减模型，随着频率的增加，信号衰减愈加明显。(This procedure describes in detail the electromagnetic wave transmission attenuation model of underwater, with the increase of frequency, signal attenuation are becoming ever more obvious.)

汽车振动自由度模型，汽车振动数学模型，k1f 前轮胎刚度 k1r 后轮胎刚度 mf前轮质量 mr后轮质量 kf前悬架刚度 kr后悬架刚度 cf前悬架阻尼 cr 后悬架阻尼 k 座椅刚度 c座椅阻尼 θ汽车俯仰角 m0汽车悬挂整体质量 m座椅质量 (Vibrational degrees of freedom vehicle model, mathematical model of vehicle vibration)