所以CORDIC算法来实现软件无线电直接数字频率合成器有助于节省芯片面积、降低功耗、减少成本。

Thus, software radio DDFS based on CORDIC algorithm can help to reduce chip area, power dissipation and cost.

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但影响功耗的决不只是硬件本身，软件的调度优化亦能够降低功耗。

It's not only hardware itself that has an impact on power; scheduling optimization of software also can lower power consumption.

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摘要：嵌入式系统低功耗设计中有硬件技术无法涉足的空间，可通过低功耗软件技术实现降低系统功耗的目的。

Absrtact: There is a research field for low power technology that can't be mentioned only by the hardware design, so then using low-power software technology can reduce system power consumption.

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