The converter USES a high order MASH noise shaping technique and a digital decimation filtering part consisting of comb filters and cascade of half band filters.
该转换器采用了高阶MASH噪声成形技术，而其数字抽取滤波部分则由梳状滤波器与级联的半带滤波器构成。
2
We analyze detailedly the azimuth preprocess principle and propose the band-pass filtering sub-aperture method, which can simplify the process effectively.
To obtain photoelectric signal of the photoelectric speed sensor, tracking to filtering narrow band random base-wave which is output, voltage wave beforehand transaction and application are expounded.