baffle ; mask ; shadow mask ; baffle plate
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本文设计了一种新型的离散障板稀疏圆柱基阵。
A nwe kind of thinned cylinder array with discrete baffle has been designed.
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障板也不错。
Open baffle is also fine.
障板一般安装在传感器与噪声源之间，用来屏蔽噪声对传感器的影响；
Basically, the baffle is a structure, placed between an unwanted signal or noise source and a sensor, to shield the sensor from the unwanted source.
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