K2

用matlab设计的常用数学公式和计算公式的程序，写在一个WORD文档里(Matlab design with mathematical formula and the formula commonly used procedures, written in a WORD document where)

说明：  对信道的仿真，采用QPSK调制，分别在瑞利和高斯信道条件下，也包括CRC较验(Simulation of the channel, using QPSK modulation, respectively, Rayleigh and AWGN channel conditions, but also more experience CRC)

在无线通信中，MIMO-OFDM不同信道估计的对比，经过编译已成功。(In wireless communications, the comparison of MIMO-OFDM channel estimation, has been successfully compiled.)

OFEM接收机的解调，检测合格，效果良好，本人亲测(the demodulation of OFDM receiver)

Please read THIS DOCUMENTE

说明：  ex9_1 脉冲信号调制 ex9_2 载波10MHz，带宽2MHz的线性调频信号及其频谱图 ex9_3 产生7位巴克码编码的二相码 ex9_4 产生7位巴克码和线性调频的混合调制信号 ex9_5 瑞利分布实现程序 ex9_6 瑞利分布＋杂波 ex9_7 相关对数正态分布杂波 ex9_8 相关weibull分布杂波 ex9_9 相干相关K分布杂波 ex9_10 线性调频信号的数字化正交解调 ex9_11 雷达脉冲压缩处理 ex9_12 二相编码信号的脉压处理 ex9_13 用FFT和FIR方法实现MTD处理 ex9_14 雷达的恒虚警处理（CFAR） ex9_15 比较相参积累和非相参积累 (ex9_1 pulse signal modulation ex9_2 carrier 10MHz, the bandwidth of the chirp signal and its spectrum of 2MHz ex9_3 Barker coding produces seven two-phase mixed signal generated code ex9_4 7 Barker code and chirp ex9_5 Rayleigh distribution to achieve program ex9_6 Swiss Lee distribution+ clutter ex9_7 related lognormal distribution clutter clutter ex9_8 related weibull ex9_9 digital quadrature coherent K distributed clutter ex9_10 chirp signal demodulation ex9_11 radar pulse compression processing two-phase pulse coded signal ex9_12 processing using FFT and FIR ex9_13 MTD processing methods to achieve ex9_14 radar CFAR (CFAR) ex9_15 relatively coherent and non-coherent integration accumulation)

考察一个在热循环中的表面贴片电阻。一般情况下，连接贴片电阻与电极的焊点是其中最薄弱的环节，它通常对温度和时间表现出较强的非线性。为了确保结构的完整性，基于蠕变应变和耗散能进行了疲劳分析。(This case study of a surface patch resistance in a thermal cycle. In general, the solder joint is the weakest link, which usually shows strong nonlinearity in temperature and time. In order to ensure the integrity of the structure, the fatigue analysis is carried out based on the creep strain and dissipation energy.)

this is the code which I ve tested, but it didn t work..

说明：  matlab 做的仿真 SPWM 单相 全桥逆变(Matlab do simulation SPWM inverter single-phase bridge)

这是一个非常有用的程序主要是用来光谱预处理的手段有一阶导数和二阶导数(this isa very useful program)