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S7-200ytjc
S7-200以太网通讯图文教程
S7-200通过CP243-1或 CP243_1IT接入工业以太网。
S7-200以太网通信主要有以下几种方式:
★ S7-200之间的以太网通信
★ S7-200与S7-300/400之间的以太网通信
★ S7-200与OPC及WINCC的以太网通信 (S7-200 Ethernet communication graphic tutorial
)
- 2011-12-16 15:05:21下载
- 积分:1
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Radio-Resource-Management-and-Interference-Analys
Radio Resource Management and Interference Analysis
- 2011-11-29 02:30:42下载
- 积分:1
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sdprof
TM470ARM系列开发文档,很多都不没有用过TI的arm,实际上用起来非常不错的一款芯片!(TM470ARM series of development documents, are not never used TI)
- 2008-05-29 15:26:54下载
- 积分:1
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fast-subspace-algorithm
为了对空间辐射源进行精确定位" 建立了基于任意阵列对多目标源进行二维DOA估计的数学模型。将 MUSIC算法推广到三维空间阵列可以对辐射源进行二维高精度测向,但由于其需要估计接收数据的协方差矩阵和进行特征分解, 因而其计算量较大。利用多级维纳滤波器的前向递推获得信号子空间和噪声子空间,不需要估计协方差矩阵和对其进行特征分解,从而降低了MUSIC算法的计算量。将文中的方法应用于任意阵列的二维DOA估计中进行计算机仿真和实际侧向系统性能验证,实验结果均表明该方法达到了MUSIC算法的性能,但与常规MUSIC算法相比降低了计算量.( In order to space radiation source for precise positioning" based on arbitrary array to multiple target source 2D DOA estimation model. The MUSIC algorithm is extended to three-dimensional space to two-dimensional array of radiation source for high precision direction finding, but due to the need to estimate the covariance matrix and eigenvalue decomposition, and the large amount of calculation. Use of multistage Wiener filter forward recursion received signal and noise subspace, does not need to estimate the covariance matrix and the eigenvalue decomposition, which reduces the computation of MUSIC algorithm. This method is applied to an arbitrary array DOA estimation for computer simulation and actual lateral system performance verification, the experimental results show that this method achieves the performance of MUSIC algorithm, but with the conventional MUSIC algorithm reduces the calculation amount.)
- 2012-03-09 16:03:44下载
- 积分:1
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Convergence-Behavior-of-Distance-Vector-and-Link
convergence behaviour of distance vector and link state routing protocols
- 2011-12-06 10:01:05下载
- 积分:1
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DOA Estimation
There are some trials for DOA estimation by applying the
wavelet transform method into several sub bands MUSIC and CYCLIC MUSIC scenarios
- 2020-11-17 16:19:39下载
- 积分:1
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WVD
<应用WVD估计AM_FM信号的瞬时频率>,该文研究了应用WVD谱峰检测估计AM-FM信号的瞬时频率的方法及其性能。(< Application WVD estimate AM_FM signal instantaneous frequency> This paper studies the application of WVD peak AM-FM signal detection estimates the instantaneous frequency method and its performance.)
- 2011-08-10 20:57:58下载
- 积分:1
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Image-Thresholding-Using-Neural-Network
SSM: Slot Scheduling Mechanisms in a Multihop Wireless Hotspot Network
- 2011-08-15 10:04:55下载
- 积分:1
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城市公共交通IC卡技术规范
交通部发行的城市公共交通IC卡技术规范,用于CPU卡规范(Technical Specification of IC Card for Urban Public Transportation issued by the Ministry of Communications for CPU Card Specification)
- 2020-06-24 20:20:01下载
- 积分:1
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Beamforming
波速成型算法、麦克风阵列语音信号技术相关文档以及webrtc相关文档(Wave speed forming algorithm, microphone array voice signal technology related documents and webrtc related documents)
- 2018-03-08 15:09:28下载
- 积分:1