Opisanie formata USB

本文利用核心芯片TDA5051A，采用ASK（幅度键控）调制技术，建立电力线通信系统，实现数字信号在电力线上进行传输。 关键词:电力线通信 TDA5051A 调制解调器 -In this paper, the core chip TDA5051A, using ASK (amplitude shift keying) modulation technology, the establishment of power line communication systems, digital signal transmission in the power line. Keywords: PLC modem TDA5051A

这个一个用vc6.0实现的电话号码管理系统 -it s complied by c++

Power Quality effect and improvements

147497_ALTERA_ACEX1K.pdf介绍alter acex1k系列芯片-147497_ALTERA_ACEX1K.pdf introduce alter acex1k series chip

采样率小于一个连续时间信号最大频率的2倍时就叫undersampling，欠采样，根据抽样定理，当fs>=2fmax，也就是oversampling，过采样时，数字信号才能重建成原来的模拟信号，欠采样重建会发生混叠-Sampling rate of a continuous-time signal is less than the maximum frequency of 2 times is called undersampling, bandpass sampling, according to sampling theorem, when fs

详细的介绍了COM技术，是学习COM基本技术和思想很好的资料。-Detailed introduction of the COM technology, are studying the basic COM technology and a very good idea of the information.

本系统设计是采用飞利溥公司推出的一款高度整合的家庭自动化专用电源调制解调芯片TDA5051A，通过电路信号收发系统送到电力网传输的典型应用电路系统。-The system design is the use of fly-li-po company launched a highly integrated dedicated power supply of the home automation modem chip TDA5051A, send and receive signals through the circuit to the power grid system, transmission system, a typical application circuit.

风力发电，双馈发电机，控制方法，模型，杂辑，-Wind power, double-fed generators, control methods, models, miscellaneous series,

用java写的一个记事本-Using java to write a Notepad

antenna sedign and implementation for all application