This scheme uses smooth wave instead of discontinuous wave, so the wave in time field is continuous phase and has good frequency spectrum characteristics.
该方案用平滑的波形来替换前后码元的不连续跳变，从而得到相位连续的时域波形，波形平滑、频谱主瓣窄、滚降速度快。
In this paper, the frequency spectrum and the bandwidth of the frequency shift signal with continuous and discontinuous phase are analyzed.
分析了相位连续与不连续移频信号的频谱并比较了它们的带宽。
Secondly, the optimal design of discontinuous spectrum sensing scheme was studied, which aimed at minimizing the spectrum opportunities discovery time while satisfying the sensing overhead constraint.
其次研究了非连续频谱感知策略的优化设计问题，即在满足感知开销限制的条件下，如何最小化空闲频谱发现时间。
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