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code_e
matlab编的信号符号速率估计的程序,比较容易的(matlab compiled the signal symbol rate estimation procedures, relatively easy)
- 2009-09-16 09:27:44下载
- 积分:1
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VB_Modbus-RTU
VB6.0与变频器的RS485或Modbus通讯,控制变频器的参数设定,运行状态,运行频率,读当前状态,电流,电压,频率,故障等。支持远距离控制。(VB6.0 and drive the RS485 or Modbus communications, control the inverter parameter settings, operation status, operating frequency, read the current state, current, voltage, frequency, fault and so on. Support remote control.)
- 2011-05-13 22:21:12下载
- 积分:1
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revised_codeswban_11
energy efficiency code for cognitive radio
- 2020-06-16 14:40:02下载
- 积分:1
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CAN收发 多帧发送接收
说明: can总线 多帧传输 接收发送(Can bus multi-frame transmission receiving and sending)
- 2021-04-26 20:38:45下载
- 积分:1
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chushihua
完成对cmw500测试仪器的程控及初始化操作(Novice is currently in the learning stage. CMW500 GSM non-signaling test program example, including initialization)
- 2020-07-22 01:18:44下载
- 积分:1
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5
说明: 5. 在三条径的瑞利信道中,对于直接序列扩频:
(1) 请设计DS-CDMA一种具体的码分导引辅助的信道估计方法,接收机分别采用等均益合并、最大比合并。用Simulink进行仿真,画出比特信噪比与信道估计均方误差的关系曲线和比特信噪比与误码率的关系曲线。
(2) 设频率已经同步,请设计DS-CDMA一种具体的单停顿滑动相关时间同步方法,用Simulink进行仿真,画出比特信噪比与捕获概率的关系曲线。
(3) 设时间已经同步,请设计DS-CDMA一种具体的频率同步方法,用Simulink进行仿真,画出比特信噪比与频率同步误差的关系曲线。(5. In three-path Rayleigh channel, for direct sequence spread spectrum:
(1) please design a specific code division navigation aided channel estimation method for ds-cdma, and adopt equal-beneficial combination and maximum ratio combination for receivers respectively.Simulink is used to simulate and draw the relationship curve between bit SNR and channel estimation mean square error and the relationship curve between bit SNR and bit error rate.
(2) assuming that the frequency has been synchronized, please design a specific single-stop sliding correlation time synchronization method ds-cdma, Simulink simulation, draw the relationship between the bit SNR and the acquisition probability curve.
(3) if the time has been synchronized, please design a specific frequency synchronization method ds-cdma, Simulink simulation, draw the relationship between the bit SNR and frequency synchronization error curve.)
- 2019-01-15 10:58:23下载
- 积分:1
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spectral-communication
扩频通信完整的课件和习题答案,清华经典教材,学习无线移动以及跳频通信的基础(Spread spectrum communication courseware and exercises complete answer, Tsinghua classic textbook, learning, and frequency hopping wireless mobile communication base)
- 2011-11-18 09:39:47下载
- 积分:1
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LPC2220_SoftUpdate_Boot_PC_Test
绝对原创代码,目前正在产品上应用。基于NXP的LPC2220的串口升级程序,在PC端用VC++ 6.0编写,对于ARM7特别是IAP升级具有很好的参考价值。(Absolute original code, and is currently being applied on products. Based on NXP' s LPC2220 serial upgrade, in the PC side using VC++ 6.0 to prepare for the ARM7 particular IAP upgrades have good reference value.)
- 2010-02-04 16:29:13下载
- 积分:1
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MATLAB-detection-of-signal
关于常规信号,线性调频信号和相位编码信号的检测和估计(detection and analaysis of normal signal, LFM and phase coding signal.)
- 2012-05-04 11:37:27下载
- 积分:1
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OQAM_OFDM_IOTA
基于OFDM/OQAM 的IOTA原型滤波器设计(IOTA prototype filter design based on OFDM/OQAM)
- 2020-07-02 18:20:01下载
- 积分:1