Based on the model, the BER Bit Error Ratio performance is analyzed for narrow-band modulation and wide-band spread -spectrum modulation of coherent PSK Phase Shift Key...
结果表明移动卫星信道中存在的多径和阴影现象使系统的误码性能恶化，而采用宽带扩频调制则可极大改善系统的性能。
Simulation results show that the proposed scheme has higher compression ratio and performs well on channels with high bit error rate(BER).
模拟结果表明新方案压缩比高，在较高的传输误码率情况下，表现出良好的抗误码能力。
The results show that the Bit Error Rate (ber) has the most important effect on the ratio, while the number of channels and network nodes are following, and the traffic of nodes has the least impact.
结果表明，信道误码率对节点建链成功率影响最明显，信道数量和网络节点数次之，节点业务量对建链影响最小。
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