When a conflict is detected, they switch to a backup slice of unused spectrum on the fly.
一旦冲突被检测出来，它们可即时切换到未用频谱的备份频段。
The switch to all-digital TV has released chunks of broadcasting spectrum for other uses.
全数码电视时代的到来为电视广播在其他方面的应用敞开大门。
It is shown that the spectrum may be red-shifted and blue-shifted in comparison with the source spectrum, and the spectral switch may also take place.
前散射光的谱强度相对源光谱可能有红移和蓝移，某些条件下还会产生光谱开关。
Frequency spectrum analysis and the crossing point of voltage are adopted to control the corresponding filter branch switch.
采用了频谱分析法和电压过零点控制相应的滤波支路投入运行。
In many portable instruments, the noise and EMI of its switch power supply must be solved, the preferable method is that EMI power is reduced with spread spectrum frequency technique.
在许多便携式设备中，其开关电源的噪声和电磁干扰(emi)是亟待解决的问题，比较好的办法是利用扩频技术来减少EMI信号的功率成分。
In many portable instruments, the noise and EMI of its switch power supply must be solved, the preferable method is that EMI power is reduced with spread spectrum frequency technique.
在许多便携式设备中，其开关电源的噪声和电磁干扰(emi)是亟待解决的问题，比较好的办法是利用扩频技术来减少EMI信号的功率成分。
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