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通信原理中功率谱密度的仿真，仿真了不同占空比，等概、非等概双极性矩形随机信号的归一化功率谱密度，并分析不同信号（不同占空比，等概非等概）所包含的频谱分量，有无直流分量和定时分量信息(Communication theory in the power spectral density of the simulation, the simulation of different duty cycles, such as almost, almost bipolar rectangular Non-random signal normalized power spectral density, and the analysis of different signals (different duty cycle, etc. None of the other Summary) contains the spectrum component, with or without DC component and time component information)

一本MATLAB的中文帮助手册，用户在使用matlab的过程中出现问题都可以参考这本手册。(MATLAB a manual to help Chinese users in the process of using matlab problems can refer to the manual.)

智能天线自适应波束形成算法的研究,进行了基本算法的改进与运算,大家可以进行参考,以便更好的学习.(smart antenna adaptive beamforming algorithms, the basic algorithm for the improvement and operation, We were able to reference in order to better learning.)

类似于Pinterest的瀑布墙图片展示demo，精选ios编程学习源码，很好的参考资料。(Similar to the Pinterest waterfall wall pictures demo, select learning IOS programming source code, a good reference.)

基于TMS320C54x 实现πP4- DQPSK 调制 信息产业部电子第十研究所(Based on the TMS320C54x implementation πP4-DQPSK modulation 10th Electronics Institute of the Ministry of Information Industry)

无刷直流电机方波电机控制系统，经验证后，能得出很好的控制效果。(Brushless DC motor square wave motor control system, proven, can come up with a good control effect.)

smoke detection wild fire

本程序可以实现的功能是：建立直接驱动风力发电机、单级光伏发电系统和储能电池的风力发电和光伏混合微电网模型。通过平滑蓄电池的输出功率平滑风能和光伏功率来维持PCC的电压。(The function of this program is to establish a hybrid micro grid model of wind power generation and photovoltaic power generation directly driven by wind power generator, single stage photovoltaic power generation system and energy storage battery. The PCC voltage is maintained by smoothing the output power of the battery and smoothing the wind and photovoltaic power.)

勒让德多项式的拟合，包括对新的数值的求解(Legendre polynomial fitting, including the new value of solving)

说明：  PV模块的通用建模，有效的仿真结果和简明的程序设计(the modelling of general PV solar cell)