r-lda

电力系统暂态稳定仿真，模拟临界失稳状态，求临界切除角度(Power system transient stability simulation)

信号源数目估计,采用多假设检验算法,假设空间白噪声,包括matlab实现代码和例程(The estimated number of signal sources, the use of multiple hypothesis testing algorithm, assuming space white noise, including matlab code and routines)

非侵入式的测量骨头的厚度，利用超声导波的方法。(Noninvasive assessment of human jawbone using ultrasonic guided waves)

说明：  原创_burg法谱估计,是现代谱估计的一种典型的算法(original_burg Spectral Estimation )

用matlab实现矩阵的高斯分解，A=LU,A为下三角，U为上三角(Gauss decomposition)

数字基带传输系统的MATLAB仿真实现 function [sampl,re_sampl]=system_1(A,F,P,D,snr,m,N) 输入变量A ,F,P分别为输入信号的幅度、频率和相位，D为量化电平数，snr 为信道信噪比，N为D/A转换时的内插点数；输出变量sampl为抽样后的输入 信号，re_sampl为恢复出的输入信号。 数字基带传输系统的MATLAB仿真实现 [sampl,quant,pcm]=a_d_1(A,F,P,D) [changed_ami]=signal_encod_1(pcm) [ami_after_channel]=channel_1(changed_ami,snr) [adjudged_ami]=adjudg_1(ami_after_channel,m) re_pcm=signal_decod_1(adjudged_ami) [re_voltag,re_sampl,re_sampl1]=d_a_1(re_pcm,sampl,D,N)(Digital baseband transmission system implementation MATLAB simulation function [sampl, re_sampl] = system_1 (A, F, P, D, snr, m, N) input variables A, F, P, respectively, for the input signal amplitude, frequency and phase , D to quantify the number of electric-ping, snr for the channel signal to noise ratio, N to D/A converter when the interpolation points output variables for the sample after Sampl input signal, re_sampl for the restoration of the input signal. Digital baseband transmission system simulation MATLAB implementation [sampl, quant, pcm] = a_d_1 (A, F, P, D) [changed_ami] = signal_encod_1 (pcm) [ami_after_channel] = channel_1 (changed_ami, snr) [adjudged_ami] = adjudg_1 (ami_after_channel, m) re_pcm = signal_decod_1 (adjudged_ami) [re_voltag, re_sampl, re_sampl1] = d_a_1 (re_pcm, sampl, D, N))

说明：  文件中是用于matlab画smith圆图程序包(Document is used to circle diagram smith painting matlab package)

建筑风工程实测加速度的互功率谱和自功率谱的计算(Building wind engineering measured acceleration crosspower and auto-power spectrum calculation)

很有用的时频分析工具，内附各个函数的说明，方便调用。(Very useful tool for time-frequency analysis, containing a description of each function, easy call.)

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