Basedg on Fourier optical principle, the imaging property of grating illuminated by expansion source is analysed in this paper. Hence an innovative grating imaging displacement sensor is designed.

该文应用傅里叶光学原理对扩展光源照明下光栅的成象特性作了分析，并由此设计出一种新型的光栅成象型位移传感器。

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Furthermore,Mr.Netanyahu has said he supports the expansion of Jewish settlements in the West Bank - a source of enormous tension between Israelis and Palestinians.

VOA: standard.2009.04.09

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