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IEC-61850标准[中文.完整版]
IEC61850中文版全套资料(14个文件)及学习心得。(Full set of data in Chinese version of IEC61850.)
- 2021-03-09 15:59:27下载
- 积分:1
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mimo-ofdm
说明: MIMO-OFDM系统仿真,MIMO-OFDM系统不同信道估计的对比,模型框架的搭建(MIMO-OFDM (Simulink and Matlab))
- 2020-03-01 14:29:15下载
- 积分:1
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MIMO OFDM
实现基于STBC的MIMO_OFDM通信系统在不同信噪比情况下接收端的误比特率的仿真。发射端包括基于基带调制、空时编码、导频插入、IFFT、串并合并以及添加循环前缀;接收端包括去除循环前缀、取出导频估计信道、FFT运算以及并串合并,空时解码等。仿真中采用QPSK、空时编码采用4*3的复正交空时编码矩阵。OFDM子载波数为100,每个子载波传输66个符号,每个符号2比特。IFFT长度为512个符号。发射天线为3个接收天线为2个。(The BER simulation of MIMO_OFDM communication system based on STBC under different SNR is realized. The transmitter includes baseband modulation, space-time coding, pilot insertion, IFFT, serial-parallel combination and adding cyclic prefix; the receiver includes removing cyclic prefix, extracting pilot estimation channel, FFT operation, parallel-serial combination, space-time decoding, etc. The complex orthogonal space-time coding matrix is used in QPSK and space time coding in 4*3. The number of OFDM subcarriers is 100, and each subcarrier transfers 66 symbols with 2 bits per symbol. IFFT is 512 symbols in length. The transmitting antenna is 3 receiving antennas, 2.)
- 2020-12-07 16:19:21下载
- 积分:1
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TD_DCA
基于matlab的TD-SCDMA动态信道分配(Matlab-based TD-SCDMA, dynamic channel allocation)
- 2009-11-01 15:22:32下载
- 积分:1
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IESS-207E
iEEE 207 标准 信道编码相关 卫星通信(iEEE 207 standard channel coding satellite communications)
- 2021-04-29 16:18:42下载
- 积分:1
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GB18352_3_2005
车载诊断仪,在线OBD,ECU通信协议技术规范,是诊断仪,ECU开发者必备文档
(Car diagnostic online the OBD ECU communication protocol technical specifications, diagnostic ECU developers required documentation)
- 2012-10-16 00:30:52下载
- 积分:1
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Ahost_computen
一个与仪表通讯的上位机程序源码,采采用RS232通讯,协议为MODBUS
(A host computer program source code with the instrument of communication, mining RS232 communication protocol MODBUS)
- 2012-08-07 01:46:30下载
- 积分:1
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无线定位算法代码
关于无线传感网络二维的TDOA定位算法,内容详细(TDOA, TOA and AOA localization algorithms for wireless sensor networks are detailed.)
- 2018-05-22 09:01:38下载
- 积分:1
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CD4067B
这是一个CD4067B的技术资料,希望对大家有帮助。(This is a CD4067B technical information, we hope to help.)
- 2012-03-10 13:40:05下载
- 积分:1
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DSMP_Provision_API_HP11_20040303
卓望短信网关.+cmpp3.0协议.MISC系统短信SP接入培训.(ASPire SMS gateway.+ Cmpp3.0 agreement. MISC SMS SP system, access to training.)
- 2009-11-13 08:58:18下载
- 积分:1