流水线 是 CPU 所使用的一个众所周知的概念，它用于减少取指令-译码-执行 周期中出现的延迟。

Pipelining is a well-known concept employed by CPUs for reducing the latency involved in the fetch-decode-execute cycle.

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这种技术称为软件流水线(soft ware pipelining)，这段代码只损失了2个周期在暂停上。

This technique is called software pipelining, and this code only loses 2 cycles to stalls.

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本文设计的FFT处理器采用流水线和并行处理技术，在64个时钟周期完成64点复数定点FFT运算，可以满足OFDM系统的需要。

The FFT processer adopts the pipeline and parallel technology and can complete 64 points FFT computation in 64 clocks. It is able to meet the need of OFDM system.

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