图片分类可用作图像搜索引擎的预滤波，以降低图像检索时的图像匹配数量，提高检索速度。
The image classification can be used as a pre-filter of the image search engine to reduce the amount of image matching, and speed up the image index processing.
本文详细介绍了以下几个方面：线性调频信号的波形、匹配滤波器、模糊函数、速度分辨力、距离分辨力及抗干扰能力；
This paper gives a detailed account of the waveform, matched-filter, fuzzy function, resolution in speed, resolution in range and the capacity of anti-interference of the Chirp signal.
讨论了匹配测量数据的平滑、滤波和外推问题。所谓匹配测量数据是指位置参数和速度参数呈求导的匹配关系。
In the problem of smoothing, filtering and predicting matching data in aerospace measurement, matching data refers that velocity parameter is differential of position parameter.
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