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考虑载波的qpsk信号在瑞利信道上的仿真-consider Carrier qpsk Rayleigh channel signal simulation

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

用UDP实现数据接收的程序，UDP实现面向非连接，在通讯中接收实时数据.-with UDP data receiving program, UDP-oriented non-connected, the communication to receive real-time data.

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Viterbi 译码 多的就不说了 我刚运行过可以的-Viterbi decoder and more I just can not say that I can run the

the function is uses for obtaining TX with square root cosine filter-the function is uses for obtaining TX with square root cosine filter

用于FPGA用蓝牙无线发送数据或者用于有线串口通信，比如将数据发送至电脑端，用电脑应用程序或者matlab等处理数据。

ASN.1编解码的JAVA实现，很有参考价值，JAVA，ASN.1-ASN.1 codec JAVA realize valuable, JAVA, ASN.1