PRE FILTER 初级滤网 ; 前置过滤器 ; 初级空气过滤器
Activated carbon pre-filter 活性碳滤网
exhaust air pre-filter 排风前置过滤器
Pre filter media model 初效过滤棉型号
Pre-Filter Radius 预过滤半径
Pre-filter Gradient Method 预滤波梯度法
belt pre filter 压带滤器
kritériá pre filter 筛选准则 ; 筛选条件
Non-Local Pre-filter 前置滤波
Real-time SAR imaging system based on FPGA is discussed in detail; besides a high-speed parallel processing system is described. The FPGA realization of R-D imaging algorithm, azimuth pre-filter and sinc function interpolation algorithm are elaborated.
详细的描述了基于FPGA的实时SAR系统的组成及FPGA作为其核心处理器的优势,并给出了一种并行处理结构;重点讨论R-D成像算法,方位向预滤波及截断sinc插值算法的FPGA实现。
参考来源 - 基于FPGA的实时SAR成像系统设计This paper improves a digital watermark algorithm to embed digital watermark into low frequency sub-image with good tolerance of noise and makes use of pre-filter method to get optimal embedding position so that the watermark embedded can resist filtering effectively.
论文的数字水印算法是通过小波多分辨率分解在容噪性较强的逼近子图上嵌入数字水印,并且采用预滤波的方式获取最佳嵌入位置使得该算法的抗滤波性能大大增强。
参考来源 - 一种基于小波的数字水印技术研究·2,447,543篇论文数据,部分数据来源于NoteExpress
Then, a composite filter combining pre-filter and post-filter was adopted to control the high-frequency oscillation.
然后采用前置滤波和后置滤波结合的复合滤波方法来控制高频振荡。
Under the condition of meeting resolution, the SAR real-time imager can satisfy the demands of the processing band by pre-filter and down-sample.
综合孔径雷达(SAR)实时成像处理器,在满足分辨率的情况下,通过预滤波和降采样的方式降低数据率来满足系统处理带宽的要求。
The utility model provides a pre-filter of a railway pneumatic turnover, and belongs to the technical filed of accessories of railway transport facilities.
本实用新型提供了一种铁路风动道岔前置过滤器,属于铁路运输设施的配套装置技术领域。
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