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QPSK_TRANSMITTER
- M-file for simulating a QPSK transmitter by modulating with a pseudo random bit stream. A serial to parallel conversion of the pseudo random bit stream is performed with mapping of two bits per symbol. A cosine and sine carrier is configured and the
sdr_model
- M-file for simulating a QPSK transmitter by modulating with a pseudo random bit stream. A serial to parallel conversion of the pseudo random bit stream is performed with mapping of two bits per symbol. A cosine and sine carrier is configured and the
attachments_2011_01_20
- OFDM modulation produces higher Peak Average Power Ratio (PAPR) whenever the carriers in OFDM symbol add synchronously in the time domain resulting in higher signal power. This high power saturates the power amplifier placed in the RF section res
gibbs
- 吉布斯定轨法。 输入:轨道上任意三个点的位矢(R1,R2,R3); 输出:质点在R2端点时的速度V2;ierr是个判断符号,返回的ierr是零的话,就说明‘R1,R2,R3’共面,如果ierr是1的话说明‘R1,R2,R3’不共面(正常情 况下,要构成轨道的话,‘R1,R2,R3’一定共面 ,即ierr是零,如果ierr是1的话说明输入的‘R1,R2,R3’不共面不能构成轨道。 此函数用于:任意给定三个空间共面的向量,可以确定质点在R2处的速度V2,也就得到了轨道上的一个状态向