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dbpsk调制解调程序
SYMPCHUNK sets the number of symbols demodulated at once with a constant carrier frequency and symbol timing offset. This is a fundamental decoder parameter that establishes its carrier and symbol timing tracking bandwidth. Set it too low and the demodulator can"t accurately determine carrier frequency and symbol timing on a noisy signal. Set it too high and the demodulator may not be able to track large symbol rate offsets caused by Doppler shift and/or A/D or spacecraft clock errors. Or it might have trouble tracking high rates of change in the carrier frequency due to Doppler acceleration.The current value of SYMPCHUNK is 4*N1 = 512, where N1 = 128 is the order of the convolutional interleaver. 512 symbols is 512 milliseconds at 1000 symbols/sec, giving a frequency/time determination SNR that is 10*log10(512) = 27 dB greater than the Es/N0, not counti
- 2022-03-05 11:28:24下载
- 积分:1
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modbus是应用比较多的通讯协议,程序计算MODBUS RTU通信协议中的CRC校验...
modbus是应用比较多的通讯协议,程序计算MODBUS RTU通信协议中的CRC校验-Modbus is the application of a relatively large number of communication protocols, procedures MODBUS RTU communication protocol computing the CRC checksum
- 2022-01-25 14:45:45下载
- 积分:1
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开放源码的一个广域网协议ATM的实现,版本0.79
开放源码的一个广域网协议ATM的实现,版本0.79-An open source WAN protocol ATM, v0.79.
- 2023-03-19 01:45:04下载
- 积分:1
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integrity of the document send and receive source code VB.zip download others, I...
完整的文件发送接收程序源代码VB.zip 下载的别人的,谢谢原作者。-integrity of the document send and receive source code VB.zip download others, I thank the original author.
- 2023-02-27 19:05:04下载
- 积分:1
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programa para PIC 16f628 que recepta tonos DTMF y activa salidas de acuerdo al c...
programa para PIC 16f628 que recepta tonos DTMF y activa salidas de acuerdo al código
- 2022-08-07 03:47:48下载
- 积分:1
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socket for a test client source code, a simple note socket principle.
一个用于socket客户端测试的源代码,简单说明socket工作原理.-socket for a test client source code, a simple note socket principle.
- 2022-02-03 08:19:12下载
- 积分:1
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帮同学做的毕业设计中用到的IIR,2阶,截止频率等参数均可以任意设置...
帮同学做的毕业设计中用到的IIR,2阶,截止频率等参数均可以任意设置-Help of graduate students to do the design used in the IIR, 2 bands, parameters such as cut-off frequency can be arbitrarily set
- 2022-11-16 23:20:03下载
- 积分:1
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基于NS2的无线传感器网络仿真AODV协议的tcl代码
本课题是一个tcl代码,旨在利用ns2模拟器模拟无线传感器网络中的AODV协议。研究AODV协议的性能。例如吞吐量和数据包投递率。。。等等;
- 2022-01-28 12:43:42下载
- 积分:1
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ZIGBEE technology on a practical manual for the need to understand technology an...
关于ZIGBEE技术的实用手册,对于需要了解ZIGBEE技术和利用ZIGBEE技术开发的人很有用处-ZIGBEE technology on a practical manual for the need to understand technology and use of ZIGBEE technology development ZIGBEE very useful person
- 2022-03-19 15:47:30下载
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Implementation of MANET routing protocols on OMNeT++
Implementation of MANET routing protocols on OMNeT-Implementation of MANET routing protocols on OMNeT++
- 2022-02-24 17:53:16下载
- 积分:1