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通过ArcView软件提供一个GIS数字综合平台，以实现信息查阅、数据分析等功能-ArcView software through GIS to provide a digital platform in order to achieve the information access, data analysis and other functions

sed1335 液晶显示器中文资料 sed1335 液晶显示器中文资料-SED1335 LCD information SED1335 LCD Chinese Chinese data

无线传感器自组织成簇的基本思想是通过簇首对簇内节点间的相关信息融合及转发机制减少数据的传输量和距离，从而降低通信能量，达到网络节能的目的。-Self-organizing wireless sensor clusters through the basic idea is to cluster the first node of the cluster inter-related information fusion and forwarding mechanism to reduce the data transmission capacity and distance, thereby reducing communication energy and achieve energy-saving purpose of the network.

本文结合555Datasheet，图文并茂地的介绍了如何阅读集成电路的Datasheet-555Datasheet this paper, the illustrations of how to read IC Datasheet

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

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信号与系统一书的（西安交通出版社）（刘树棠）的详细课件-Signals and Systems book (Xi

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