optical filtering technique [光] 滤光技术
infrared optical filtering 红外滤光
low-pass optical filtering 光学低通滤波
optical spatial filtering 光学空间过滤
This paper presents the working principle, optical filtering and handling of testing results of the instrument.
介绍了仪表的工作原理、光学滤波及测试结果的处理。
By using an unbalanced dual parallel Mach-zehnder modulator (DPMZM) followed by optical filtering, a linearized OSSB signal is obtained.
利用一种不均衡的平行调制器和光滤波器，我们得到线性化的单边带光信号。
The Fourier coefficients have been numerically calculated for the typical objects, and by using optical filtering the objects are extracted from pictures.
对一些典型目标的傅氏系数作了数值计算，并用光学滤波把它们抽取出来。
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