The estimation scheme for DS-CDMA systems includes a computationally efficient and easily implemented pilot filter on CDMA forward channel.

提出了一种面向直接序列扩频（DS-CDMA）通信系统的基于导频信号的自适应信道估计方法。

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Optimization of flocculent agents, active carbon and conditions of filter membranes are studied in the pilot preparation technology to obtain high quality liquid protease.

为了获得高质量浓缩液体蛋白酶，对提取工艺中不同絮凝剂，不同大小活性炭以及膜过滤条件进行了优化。

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Pilot scale experiment suggested that the use of liquor super terminal filter could completely meet the filling requirements of high grade transparency crystal glass bottles to high grade liquor.

中试和生产实践表明，白酒超级终端过滤机完全能满足高透明度水晶玻璃瓶对高档中国传统白酒的灌装要求。

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The filter will get its first use next month in a pilot project at a landfill in central Maine.

CNN: Filter cleans arsenic-tainted water