angular resolution meaning in Chinese
角度监别
角分辨率
角分辩力
角坐标分辨力
雷利准则
瑞利准则
Examples
- Its angular resolution ability under different snr is summarized comprehensively . the highest resolution of bayesian method is 1 / 18 bandwidth of the beam main lobe i n high snr ( 20db ) and 1 / 3 bandwidth in low snr ( - lodb )
在高信噪比( 20db )下贝叶斯高分辨方位估计方法的角度分辨门限高达1 18波束宽度,低信噪比( - 10db )下也能达到1 3波束宽度。 - Its angular resolution ability under different snrs is summarized comprehensively . the effects on its performance by the factors such as snapshots and number of array sensors are investigated and their relations are also quantitatively analyzed
深入研究了bmode方法的估计性能,得到其在不同信噪比下的角度分辨门限以及不同的快拍数和阵元数对其性能的影响。 - As the working frequency of hf radar is relatively low ( 3 ~ 30mhz ) , the wavelength is long . in order to maintain the performance of radar system , such as signal - to - noise ratio ( snr ) and angular resolution , the size of receiving antenna array is always very large and exceeds ten thousand square meters
由于高频雷达工作频率较低( 3 ~ 30mhz ) ,相应的波长很长,为保障系统信噪比、角度分辨力等技术指标的要求,接收阵列的尺寸往往在上万平方米。 - The space observation in soft x - ray and extreme ultraviolet ( euv ) region is an important portion of the space astronomy and an effective solar observation method developed increasingly . in this thesis we designed a euv multi spectrum space solar telescope ( eut ) based on the requirement of high angular resolution and wide field of view for solar observations ; investigated the transmission performance of eut ; invented a method of eut pointing calibration on the space orbit and solved the high precision pointing calibration problems ; constructed a prototype of 17 . 1nm telescope , tested the possibility of eut design , and developed some cutting - edge techniques
本文根据空间平台上高分辨率对日观测的需要,设计出一种可以在四个极紫外波段对日同时成像多光谱太阳望远镜( eut ) ;研究了极紫外( euv )波段太阳望远镜光学传输特性;提出了真空紫外波段在轨指向的标定方法,解决了高精度指向标定问题;研制出一台17 . 1nm望远镜的地面样机,验证eut设计的可行性,攻克了部分关键的技术难关;为进一步的研究工作奠定了基础。 - The algorithm features full utilization of different installation positions and different angular resolutions of the two lrfs by assigning different tasks to them . the top lrf was used to set up the initial trace of new obstacles recognized from the result of d - s evidence theory based multi - period data fusion and the bottom one was used to maintain tracking of obstacles , providing relatively accurate positions of the obstacles
该算法的特点在于充分利用了两个激光测距雷达的不同安装位置、不同分辨率对障碍检测造成的有利条件,将多目标跟踪的理论和技术融入障碍检测的软件框架中,并结合d - s证据理论融合多测量周期的识别结果,由顶雷达建立障碍的初始航迹,而底雷达进行航迹的跟踪和维持。