zhaosuiji

实用的遗传程序，非常非常的使用，一定要支持。非常感谢(Practical genetic program, very, very used, must be supported. Thank you very much)

菲涅尔透镜的matlab程序 对于衍射光学元件设计有重大帮助(Fresnel lens matlab program for diffractive optical element design has significant help)

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In this paper, we present a novel data-based method for simultaneous Maximum Likelihood (ML) symbol and carrier-frequency o畇et estimation in Orthogonal frequencydivision multiplexing (OFDM) systems. Statistical properties introduced by the cyclic pre痻, a guard space between OFDM symbols, provide su眂ient information about the unknown parameters. It is shown that the redundancy introduced by this cyclic pre痻 allows the estimation to be performed without additional pilots. Simulations show that the performance of the frequency estimator is applicable in a tracking mode while the timing estimation can be used in an acquisition mode.

说明：  用matlab编写的灰色模型程序，可以实现拟合(Gray model )

利用matlab实现通信系统的仿真，内含各种数字通信信号调制及解调代码，以及完整的系统仿真代码。(Using matlab realize the communication system simulation, containing a variety of digital communication signal modulation and demodulation code, as well as a complete system simulation code.)

MATLAB实现的关联度算法 GUI界面运行的 (MATLAB realization of the correlation algorithm running GUI interface)

It randomizes the order of vectors within the matrices

次程式碼主要是藉由Copula模型為CDO商品訂價.(This program use for CDO pricing.)

Script for computing the BER for BPSK modulation in a Rayleigh fading channel with and without transmit beamforming