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ofdm调制的matlab程序实现，经过验证是可以实现的，但是具体应用的时候需要自行修改程序中的一些参数(ofdm modulation matlab program, after verification can be achieved, but it requires its own specific application to modify some of the parameters in the program)

说明：  求解最短路问题，求解图论中任意两点间最短距离(Solving the Shortest Path Problem)

说明：  matlab实例应用，主要列举了matlab的常用功能，绘图、矩阵运算等等(matlab example application, the main common features listed matlab, graphics, matrix operations, etc.)

说明：  这是一个相对完整的OFDM通信系统的仿真设计，包括编码，调制，IFFT， 上下变频，高斯信道建模，FFT，PAPR抑制，各种同步，解调和解码等模 块，并统括系统性能的仿真验证了系统设计的可靠性。 (This is a relatively complete simulation of OFDM communication system design, including coding, modulation, IFFT, the upper and lower frequency, Gaussian channel model, FFT, PAPR suppression, various synchronization, demodulation and decoding of modular and system performance omnibus simulation of the system reliability.)

基于信噪比SNR的加噪降噪、滤波算法源程序(Based on the SNR of adding noise noise reduction, filtering algorithm source)

数字低通滤波器到数字带通滤波器 MATLAB编码设计(Digital low-pass filter to the digital band-pass filter design MATLAB coding)

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.)

Lexical Analysis, in Compilers

频率波数域变换，用于雷达成像偏移，频率波数域变换，用于雷达成像偏移的程序(Frequency wave number domain transform, used in radar imaging excursion, frequency wave number domain transform, used in radar imaging migration program)

Kalman filter simulation on Matlab code