DeskGGD3top

如上图所示，定向耦合器由完全相同的直波导与弯曲波导构成，波 导芯为宽高比相同（均为 a） 的正方形， 其工作波长，波导材料 对 TE 模式的折射率，及圆弧形弯曲波导的半径 r 等参数如图所 示，若波长为 1550 nm， 归一化光功率为 1 的光波从直波导输 入，请选择适当的满足单模工作的波导宽度 a， 然后给出从圆形弯 曲波导输出的归一化光功率 P4与两波导边缘的间距 d(Directional coupler by the same straight and curved waveguides constituting the waveguide, waves Conducting core is the same aspect ratio (are a) square, its operating wavelength, the waveguide material The refractive index of the TE mode and the arc-shaped curved waveguide of radius r and other parameters as shown Shown, if the wavelength of 1550 nm, normalized optical power a light straight waveguide input In, the appropriate work to meet the single-mode waveguide width a, and then is given a circular bend Curved waveguide output normalized optical power P4 and two edges of the waveguide spacing d)

Multi-Property-Preserving Hash Domain Extension: The EMD Transform

计算mie散射过程中的角度散射函数的值，对研究粒子散射有很大帮助(Mie scattering process of calculating the angle of scattering function value, the study of particle scattering are very helpful)

在信噪比从0到30dB的范围内产生8PSK，bpsk，qpsk，16qam，64qam信号，通过AWGN信道，并计算信号的高阶累积量和二阶矩，可以用于盲检测(Produce SNR range 0 to 30dB of 8PSK, bpsk, qpsk, 16qam, 64qam signal through AWGN channel, and calculates the signal higher order cumulants and the second moment, can be used to blind detection)

运用matlab模拟各种随机变量，内容包括模拟的基本思路和matlab代码(Use matlab simulate various random variables, including the basic ideas and matlab simulation code)

vebyk is a flexible and user-friendly matlab-program, which performs ordinary kriging and can be easily adapted to other kriging methods.

这是对音频新训好进行bch编码后加入有色噪声的程序(This is the new audio training good for BCH adding color coding procedures noise)

基于主成分分析的人耳识别方法研究，使用方法为PCA，算法较为简单，易于编程(PCA-based ear recognition method, using the method for the PCA, algorithm is simple, easy to program)

有关蚁群算法的matlab程序，希望对大家有所帮助，有问题共同讨论，(On the ant colony algorithm matlab procedures, everyone would like to help, have problems to discuss,)

三分之一倍频程，用于信号的能量分析，特别是噪声频道的能量(octave for noise analysis)