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学习连续时间信号和离散时间信号在MATLAB中的表示(Learning continuous-time signals and discrete-time signal representation in MATLAB,)

激光光学里的光束通过透镜后光斑，及其能量分布(Laser optics in the beam spot through the lens, and its energy distribution)

matlab FIR 低通，高通和带通滤波器的完整程序,本人花了好多时间自己写的,有滤波前后图形对比(matlab FIR low-pass，high-pass and band-pass IIR filters full process, I spent a lot of time to write your own, there is before and after the graphic correlation filter!)

智能算法人工神经网络中，43个重要算法，用MATLAB编写，使用的是.doc 文档打开。(43 cases for intelligent algorithm the neural network using MATLAB ,and the document is .doc . )

用Matlab实现的心电信号的处理源程序！(using Matlab ECG signal processing source!)

说明：  遗传算法（Genetic Algorithm）是一类借鉴生物界的进化规律（适者生存，优胜劣汰遗传机制）演化而来的随机化搜索方法。(Genetic Algorithm (Genetic Algorithm) is a kind of reference for the evolution of biology law (the survival of the fittest, superior bad discard Genetic mechanism) evolved random search method. )

平稳性检测，关于matlab的平稳性检测源代码，时间序列多个代码(Stability testing, stability testing on matlab source code, time series, more than one code)

In this paper, we present an improved and discrete version of the Cuckoo Search (CS) algorithm to solve the famous traveling salesman problem (TSP), an NP-hard combinatorial optimisation problem.

gets the value of an environment variable.

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