coba_training

Face Recognition Based on Overlapping DCT

振动工具箱，用于机械振动理论的学习与基于matlab的编程(Vibration toolbox for mechanical vibration theory of learning and programming based on matlab)

在Matlab中可以使用的波特图的例子源码，直接打开即可。(Source codes of Bode Plot in Matlab.)

LMS Algorithm for System Identification..........

说明：  一个微分方程算例的位移曲线,相图,功率谱,庞加莱截面以及运动动画模拟程序(An example of a differential equation of the displacement curves, phase diagrams, power spectrum, Poincare section, as well as movement animation simulation program)

Airy光在福利叶空间下的强度和相位掩模版实现，只提供主函数(mask for Airy beam/function in Fourier space，main function)

顯示WINDOWS的版本,用visual c++寫的(Show WINDOWS version, written with visual c++)

说明：  继续上次传的简单遗传算法，本次加入啦总体部分。(Continue to the last mass of the simple genetic algorithm, this time adding a whole part of you.)

很好的陷波器例子，其中有实现程序，仿真结果和详细的说明(Examples of good notch filter, which has achieved the program, and detailed description of simulation results)

说明：  任务：设计一个4×2.5Gbit/s 长距离光纤传输系统，并利用OptiSystem 仿真验证。 要求： 1．采用波分复用技术，波长设置以100GHz 为间隔，频率分别为193.1THz、193.2THz、193.3THz、193.4THz，每个波长传输速率为2.5Gbit/s（NRZ），传输距离为300km。采用常规光纤，光纤损耗系数为0.25dB/km。 2．单通道光发送机最大输出功率为0dBm，光接收机的接收光功率不低于－26dBm，过载点为－10dBm。 3．可以采用EDFA 作为线路放大器，其中EDFA 的输入功率限制在－18～2dBm，最大输出功率20dBm，增益范围为13～25dB，噪声指数4.0dB。(Task: Design a 4 x 2.5 Gbit/s long-distance optical fiber transmission system, and use OptiSystem simulation to verify. Requirement: 1. Using wavelength division multiplexing technology, the wavelength is set at 100GHz intervals, with frequencies of 193.1 THz, 193.2 THz, 193.3 THz and 193.4 THz, respectively. The transmission rate of each wavelength is 2.5 Gbit/s (NRZ), and the transmission distance is 300 km. The loss coefficient of conventional optical fibers is 0.25dB/km. 2. The maximum output power of a single-channel optical transmitter is 0 dBm, and the receiving power of an optical receiver is not less than -26 dBm, and the overload point is -10 dBm. 3. EDFA can be used as line amplifier, where the input power of EDFA is limited to - 18-2dBm, the maximum output power is 20dBm, the gain range is 13-25dB, and the noise index is 4.0dB.)