... band ratio image 波段比值影象 power band-width ratio 功率带宽比 in-band noise power ratio 带内噪声功率比 ...
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由于受到译码复杂度的限制，理论上在功率和带宽性能上比t CM更先进的CPM技术，其最佳接收技术在实际应用中落后于tcm。
Beause of high decoding complexity, optimum receiving technology of CPM, though theoretically better than that of TCM in power and band efficiency, lags behind TCM technology in practical use.
采用滤波法进行功率谱分析，不存在数据截断带来的误差，还可方便地用于等百分比带宽的谱分析。
But the filter method avoids the error caused by truncated data and it can achieve the analysis of a fixed percentage bandwidth easily.
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