BLH-XYZ

backpropagation code

说明：  摘要：用MATLAB对基带数据传输解调检测进行仿真，推导不同先验概率下，接收端最小错误的判决门限。仿真不同先验概率下的误码性能，二进制与多进制的误码性能比较，码间串扰对误码性能的影响，及频偏对串行通信误码率的影响。 关键词：MATLAB，基带传输，检测，判决门限 (Abstract: Using MATLAB for baseband demodulation simulation data derived under different prior probability, the receiver decision threshold minimum error. Simulation under different prior probability of error performance, binary and multi-bit error performance of binary comparison ISI on the BER performance, and the offset of the serial communication error rate. Keywords: MATLAB, baseband transmission, detection, decision threshold)

CCA代码，典型相关分析代码，可用于人脸识别分析(CCA code, canonical correlation analysis code can be used for multimedia)

TSP问题是一个组合优化问题。该问题可以被证明具有NP计算复杂性。该程序对于理解TSP问题会有较好的作用。(TSP problem is a combinatorial optimization problem. This problem can be shown to have NP computational complexity. The program will be better for understanding the role of the TSP.)

matlab矩阵计算 消元法解上三角方程组(the matlab matrix calculation elimination method to solve the trigonometric group)

主成分分析matlab程序，里面包含子程序，运用时直接调用主程序即可，可用于无监督模式学习(Principal component analysis matlab program, which contains a subroutine, the main program can be called directly when applying, can be used for unsupervised learning mode)

小波去噪方法的实现 一个小程序 绝对原创 就是简单了些 见谅 (a simple matlab denoise function)

eof分解的程序 好用且可直接使用 适合于海洋和大气学科(eof analysis for oceanography and meterology)

脉冲编码调制(PCM)实现 编程实现PCM技术的三个过程：采样、量化与编码。 采样：低通连续信号采样，以 x=sin(200*t) m=x./(200*t) m=m.*m 为例说明低通采样定理，绘出信号时、频图形；带通连续信号采样，以x=sin(20*t) m=x./t 为例说明带通采样定理，绘出信号时、频图形。 量化：均匀量化，以幅度 的正弦信号为例实现为64级电平的均匀量化；非均匀量化，输入A律PCM编码器的正弦信号 ，采样序列为 ，将其进行PCM编码，给出编码器的输出码组序列 编码：以上述信号为例，实现A律的13折线近似法及国际标准PCM对数A律量化编码。(Pulse code modulation (PCM) to achieve PCM technology programming three processes: sampling, quantization and coding. Sample: low-pass continuous signal sampling to x = sin (200* t) m = x./(200* t) m = m.* m an example low-pass sampling theorem, draw the signal, frequency graphics bandpass sampling continuous signals to x = sin (20* t) m = x./t an example bandpass sampling theorem, draw the signal, frequency graph. Quantization: uniform quantization, in order to realize the magnitude of sinusoidal signal as an example for the 64 level uniform quantization non-uniform quantization, input A law PCM encoder sine signal, the sampling sequence, to be PCM encoded, the encoder is given The output code sequence Code: A Case Study of the signal to achieve the 13 A line approximation law and international standards on the number of A law PCM coding quantization.)

DDC 利用cIC和半带滤波器 抽取实现下变频