求翻译：双迭代均衡接收机在proakis信道上的性能如图6-6所示，与没有ISI的迭代解调和译码的性能进行比较。当没有ISI时，接收机由一个CPM解调器和一个信道译码器构成。二者均采用对数域APP算法，迭代CPM解调和译码迭代8次。对双迭代均衡接收机，一次前端迭代加一次后端迭代构成一次均衡迭代，也运行8次。由于采用了次优接收机，在peoc信道上，第一次均衡迭代的BER性能仅在21db之后才低于10，这样，8次均衡迭代后性能增益约为15db。是什么意思？

Double iterative equalization receiver channel proakis performance as shown in Figure 6-6 shows, with iterative demodulation and decoding of isi performance. When there is no isi, the receiver consists of a cpm demodulator and a channel decoder. Both on the number domain app algorithm, iterative cpm

Dual iterations in proakis balanced receiver on the channel performance such as Figure 6-6, and there is no ISI iterations of the demodulation and decoding performance. When there is no ISI receiver when a CPM demodulator and a channel decoder. 2 is a logarithmic domain APP algorithms, iterative CPM

正在翻译，请等待...

正在翻译，请等待...

正在翻译，请等待...