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second stage filter
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  “second stage filter”译为未确定词的双语例句
     The performance of range filter as second stage filter either polar or cartesian coordinate areanalyzed.
     分析了极坐标和直角坐标下两级距离滤彼的性能。
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     The second stage: data collecting.
     第二阶段:数据采集。
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     Second .
     二、破自造论。
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     second, free silent stage;
     第二 ,自由沉寂阶段 ;
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     The second;
     第二,专业设置随波逐流;
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     The Stage
     舞台上下
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  second stage filter
The second-stage filter's backwash water is conveyed to the first-stage filter feed line for processing.
      
This differential response can then be detected by the appropriate second-stage filter.
      
Two-stage treatment may be achieved through use of a first and second stage filter or by providing tertiary clarification prior to filtration.
      
In this application the model is used to highlight features for subsequent evaluation of symmetry by a second-stage filter.
      
Inductor L2 and capacitor C3 form a second-stage filter, which helps to reduce the high-frequen cy switching ripple in the output.
      
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Two approaches to the design of the time-varying cascaded filters used in radar clutter rejection are presented. In the first approach, by fitting the cascaded filter to the noncascaded filter, the time-varying cascaded filter can be designed, which makes it possible that the time-varying cascaded filter behaves just like an optimum clutter filter. The second approach can be used to design the second-stage filter in a time-varying cascaded one by setting...

Two approaches to the design of the time-varying cascaded filters used in radar clutter rejection are presented. In the first approach, by fitting the cascaded filter to the noncascaded filter, the time-varying cascaded filter can be designed, which makes it possible that the time-varying cascaded filter behaves just like an optimum clutter filter. The second approach can be used to design the second-stage filter in a time-varying cascaded one by setting zeros in its equivalent overall frequency response. It has been shown that the frequency response of the second-stage filter in the time-varying cascaded filter is difficult to express, however, is convenient to be involved in the overall response.

本文针对雷达杂波抑制中常用的时变级联滤波器,提出了两种实用的设计方法。第一种方法通过时变级联滤波器与时变非级联滤波器的等效来设计时变级联滤波器。该方法可以使时变级联滤波器具有最佳杂波滤波器的效果。第二种方法通过对总的等效滤波器的设计来得到级联滤波器第二级的权系数。分析表明,时变级联滤波器第二级的频率响应很难写出,但可以通过总的等效频率响应来体现。

The analysis of physical data in shallow water shows the importance of post processing. Thesame type of dynamical and measurement model of linear Kalman filter can be used to deal with differentstate variable, like time delay, bearing and range. These filters can be combined into a wonderfulpost-processor. Investigation of the noise parameter selection explores that observation noise parametersneed not be selected strictly, process noise parameter is sensitive to environment and its adaptation is necessary in...

The analysis of physical data in shallow water shows the importance of post processing. Thesame type of dynamical and measurement model of linear Kalman filter can be used to deal with differentstate variable, like time delay, bearing and range. These filters can be combined into a wonderfulpost-processor. Investigation of the noise parameter selection explores that observation noise parametersneed not be selected strictly, process noise parameter is sensitive to environment and its adaptation is necessary in the filter. The performance of range filter as second stage filter either polar or cartesian coordinate areanalyzed. At last an unexpected phenomenon is revealed from the analysis of physical data which needs further study

本文根据我国海上实验数据,分析了水下被动定位后置处理的必要性和作用,并较系统地发展了以线性二维卡尔曼滤波为基础的处理方法。分析了平均法可获得的性能和存在的问题,详细地发展出用时延的二次差作状态变量的线性卡尔曼滤波器,讨论了噪声统计参数的选取,发现运动噪声参数对环境变化敏感,需要自适应调整。分析了极坐标和直角坐标下两级距离滤彼的性能。最后讨论了海上实验分析中发现的有待进一步研究的问题。

 
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