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传统的契比雪夫滤波器在51单片上实现，通过数字滤波解决传统硬件滤波的缺点(Realization of Chebyshev filter in the traditional 51 monolithic, solve the traditional hardware filtering by digital filtering.)

Implements Frequency Shift Keyed (FSK) receiver at Bell 202 standard

adjacency matrix. This is an NV by NV matrix A in which A(I,J) is the number of edges between nodes I and J. Ordinarily, this value is either 0 or 1, although there are natural extensions to this idea.(returns the adjacency matrix of a graph.)

说明：  大部分ADRC元素，simulink仿真复现，可替换参数。(Most of the ADRC simulation modules are simulated in the simulink environment and can be replaced and reproducible.)

企业的生产计划在利润最高，产量有限，考虑市场价格波动以及存储有限的生产基本情况下，进行加工 、购买的规划设计.在设计时要考虑产量、价格、储存容量以及混合硬度等因素对规划的影响。(Production plans to the highest profit, output is limited, consider the market price fluctuations, as well as limited storage, under the basic conditions of production, processing, purchase planning and design. Should be taken into consideration in the design of production, price, storage capacity, as well as factors such as mixed-hardness on the planning impact.)

Power World simulation

hough transform code for detecting circle

产生一个长为1000的二进制随机序列，“0”的概率为0.8，”1”的概率为0.2； 对上述数据进行归零AMI编码，脉冲宽度为符号宽度的50 ，波形采样率为符号率的8倍，画出前20个符号对应的波形（同时给出前20位信源序列） 改用HDB3码，画出前20个符号对应的波形 改用密勒码，画出前20个符号对应的波形 分别对上述1000个符号的波形进行功率谱估计，画出功率谱 改变信源“0”的概率，观察AMI码的功率谱变化情况(A length of 1000 random binary sequence, and " 0" with a probability of 0.8, " 1" with a probability of 0.2 the AMI code above zero, the pulse width of the symbol width of 50 , the waveform sampling rate Symbol rate 8 times, draw the top 20 of the waveform corresponding to the symbol (the first 20 and gives the source sequence) switch HDB3 code, the first 20 to draw a waveform corresponding to the symbol to switch Miller code, the first 20 symbols correspond to draw The waveforms of the symbol of the waveform 1000 power spectrum estimation, shown to change the source power spectrum " 0" , the probability of observation of the power spectrum of AMI code changes)

some exercices with matlab

The implementation of a mediana filter. usefull for many image procedures