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twin-line
相关语句
  双线列阵
     A port/starboard discrimination technology by twin-line arrays based on the model of geometric phase shifting
     基于几何相移模型的双线列阵左右舷分辨技术研究
短句来源
     Preliminary analysis of left-right ambiguity resolution performance for twin-line array
     双线列阵左右舷目标分辨性能的初步分析
短句来源
     The time-delay estimation method of resolving left-right target ambiguity for twin-line array and its realization
     用双线列阵区分左右舷目标的延时估计方法及其实现
短句来源
     The research on the twin-line arrays port/starboard distinguishing technology based on the beam forming of the discreet plane array
     基于离散平面阵波束形成的双线列阵左右舷分辨技术研究
短句来源
     This method is proved by lake experiment: when the SNR is 5dB, the port/starboard discrimination difference value on using this technology is over 7dB. So the twin-line arrays port/starboard discrimination technology based on the model of geometric phase shifting is shown to be effective and practical under conditions of high SNR.
     该方法经湖试实验得到了很好的验证:在信噪比为5dB时,采用该方法处理时,左右舷分辨差超过7dB。 在本文设定的高信噪比条件下,证明了几何相移模型的双线列阵左右舷分辨技术是有效的、可行的。
短句来源
  “twin-line”译为未确定词的双语例句
     The Research on the Twin-line Arrays Port/Starboard Distinguishing Technology Based on the Time Delay Estimation
     基于时延估计的双线阵左右舷分辨技术研究
短句来源
     Time delay estimation and the twin-line arrays port/starboard discrimination
     时延估计与双线阵左右舷分辨
短句来源
     A passive synthetic aperture phase correction algorithm for the asymmetric twin-line array sonar
     被动合成孔径的非对称双线阵相位校正方法研究
短句来源
     By calculating engineering examples ,it has been shown that the MT methed is a more effective approach for computation of characteristicimpedances of unscreened twin-lines with various cross-sections ,it can obtain better calculating results andmay be used to calculate the unscreened twin-line with the complicated cross-secton engineering problems.
     实例计算结果表明:多极理论不仅具有较高的计算精度,而且可以很方便地应用于非屏蔽双线工程问题的设计与计算,是一种更为有效的非屏蔽双线计算方法。
短句来源
     This method has a very simple algorithm and is not sensitive to the aberration of the twin-line arrays shape.
     该方法具有算法简单、对阵形畸变不敏感的优点。
短句来源
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  相似匹配句对
     Twin sister
     孪生姐妹
短句来源
     TWIN PARADOX
     孪生子佯谬
短句来源
     On The k-Twin Primes Problem
     关于k生素数问题
短句来源
     Application of Twin-Block Technique
     Twin-Block矫治技术的临床应用
短句来源
     On-line
     行业在线
短句来源
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This paper briefly reviews our research work on single-line and twin-line airbrake controls to be used in trailers. Both bench test and Roadtest of the twocontrols are described, the two brake controls are proved to be of good perfor-mance, quick response, high sensitivity and high reliability. Also a set of methodsand main criteria for evaluating the performance of the trailer brake controls ispresented here. Experiences have shown that the methods and criteria are practi-cable.

本文概述了挂车气制动传动装置的研究成果,即研制了挂车单管路气制动传动装置和双管路气制动传动装置。介绍了二套传动装置的台架试验和装车试验情况。从试验结果看出其性能较好,反映时间短,灵敏度高,并且可靠耐用。本文还提出了评价挂车制动传动装置性能的方法和主要指标,通过实践验证是可行的。

A Multipole Theory (MT) method,calculating boundary-value problem of 2D electrostaticfield ,is applied to calculate characteristic impedances of unscreened twin-lines with a infinite field domain ,the computation formula of characteristic impedance is also deduced. By calculating engineering examples ,it has been shown that the MT methed is a more effective approach for computation of characteristicimpedances of unscreened twin-lines with various cross-sections ,it can obtain better calculating results andmay...

A Multipole Theory (MT) method,calculating boundary-value problem of 2D electrostaticfield ,is applied to calculate characteristic impedances of unscreened twin-lines with a infinite field domain ,the computation formula of characteristic impedance is also deduced. By calculating engineering examples ,it has been shown that the MT methed is a more effective approach for computation of characteristicimpedances of unscreened twin-lines with various cross-sections ,it can obtain better calculating results andmay be used to calculate the unscreened twin-line with the complicated cross-secton engineering problems.

本文将计算二维静电场边值问题的多极理论,用于计算具有二维无界场域静电场边值问题的复杂截面非屏蔽双线问题,推演出多极理论计算这类传输线特性阻抗的计算公式。实例计算结果表明:多极理论不仅具有较高的计算精度,而且可以很方便地应用于非屏蔽双线工程问题的设计与计算,是一种更为有效的非屏蔽双线计算方法。

To be aimed at twin-line arrays port/starboard blur problem, the paper presents a signal processing solution, bringing the forming of the beams, detection and estimation, the distinguish of the port/starboard and the offset for the mirror source noise as a whole: two line-array corresponds to the 0-180 degree of the left/right shipboard, forming the multi-beams; after detecting the target, estimates the target's rough position, picks out the two beams of the left-right shipboard which are symmetric to...

To be aimed at twin-line arrays port/starboard blur problem, the paper presents a signal processing solution, bringing the forming of the beams, detection and estimation, the distinguish of the port/starboard and the offset for the mirror source noise as a whole: two line-array corresponds to the 0-180 degree of the left/right shipboard, forming the multi-beams; after detecting the target, estimates the target's rough position, picks out the two beams of the left-right shipboard which are symmetric to the mirror axis, use the correlation estimation to calculate the time delay of the signals. According to the sign of the time delay, judge the left-right shipboard of the target; then uses different methods to counteract the mirror source noise with the position of the mirror source, thus forming the multi-beams, distinguish the left-right shipboard and finishing the whole process. After simulation and lake experiment, it is proved to be an effective and practical technology for port/starboard discrimination.

针对双线列阵左右舷模糊问题,文中提出了一套完整的信号处理方案,将波束形成、检测估计、左右舷分辨、镜象源干扰抵消融为一体:两根线列阵分别对应着左/右舷一侧0°~180°范围进行多波束形成;当检测到目标后,对目标方位进行粗测,将目标所处的呈镜象轴对称左右舷两路波束信号取出,以测相关的方法估算出两路信号的时延,根据时延值的符号,判断出目标所处的左右舷:然后根据镜象源所处的位置,采用不同的方法将镜象源干扰抵消掉,从而完成波束形成、左右舷分辨等全过程。经过仿真实验和湖试实验,证明这是一种有效、可行的左右舷分辨技术。

 
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