单台采样速度可控制在2秒左右，多台同时采样误差较低；
The sampling speed of one unit can be controlled in 2 seconds , and many use together can reduce error.
本文主要介绍了DQ 2型气载放射性碘采样器的结构特点和技术性能的测试结果。
The structural features and testing results of the technical properties of DQ 2 type airborne radioiodine sampler are introduced.
针对普通电参数检测方法检测精度低、误差大的缺点，提出了一种同步采样法和基2 FFT算法。
Aimed at the less detection precision and the more errors arising from the common electric parameter detecting method, this paper proposes a synchronous sampling method and radix 2 FFT algorithm.
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