distributed target造句
例句与造句
- Development of distributed target
叠靶研究 - Help the sales department to realize the distribution channel and distributing target , supervising the fee for publication of the distributors
协助销售部实现销售通路和分布目标，管理代理商的宣传费用。 - The dissertation thoroughly studies the distributed target ' s raw data simulation of spaceborne sar , the main contents of it are as follows : 1
本文对星载sar分布目标原始数据模拟进行了深入而细致的研究，其主要内容可归结到以下几点： 1 - 4 . based on the raw data simulation algorithm , a method of developing distributed target ' s raw signal simulator of spaceborne sar is given
本文在星载sar分布目标原始数据模拟方法基础上，提出了一种星载合成孔径雷达分布目标回波模拟源的实现方法。 - The raw signal simulator , which could generate the real - time echoes of distributed target , is divided into two parts : software and hardware platforms
软件模块的功能是生成星载sar分布目标原始数据，而硬件模块的功能是实时的把离散的原始数据转换成模拟的射频输出信号。 - It's difficult to find distributed target in a sentence. 用distributed target造句挺难的
- I am sure the study of the distributed target ' s raw data simulation will have definite reference and applications value for the study of sar system ' s design and imaging
相信本文的星载sar分布目标原始数据模拟研究工作对星载sar的应用和系统研究具有一定的参考和应用价值。 - Scatterring centers from each azimuth range profile are extracted firstly , and then turn two dimension distributed target scatters into one dimension and integrates all scatters energy along one dimension
仿真结果表明，该方法较距离扩展目标检测方法的检测性能有明显改善，且其检测性能随着角分辨率的提高而进一步改善。 - Since phase gradient autofocusing ( pga ) often produces unsatisfactory results when operating upon scenes that are dominated by distributed targets , a modified weighting average phase errors estimation method is proposed
针对相邻强目标导致的相位梯度自聚焦算法( pga )收敛速度下降，提出了一种加权平均相位误差估计方法。 - Then an overview of the principle of sar is given , the computer model of the radar echo is discussed in detail , the simulation result of the ideal static point target and ideal static distributed target based on the computer model are presented
在阐明合成孔径雷达基本原理的基础上，深入地探讨了合成孔径雷达的回波模型，并借助此模型分别进行了理想静止点目标和分布目标的回波仿真。 - According to the echo structure of fm - cw sar , a fast algorithm for echo simulation of distributed targets based on fft is presented , reducing the computation significantly comparing with one by one point superposition
针对大面积分布目标的回波模拟需要大量运算,依据调频连续波合成孔径雷达回波结构的特点,提出了一种基于fft的快速回波模拟算法,与直接点目标求和方法相比运算量大大缩减。 - This thesis has studied the sar raw signal simulator scheme of distribute targets . by comparing of the theories and designs of in existence simulators and combining of the simulated sar raw data of ocean surface , we improved the former scheme of distribute targets simulator . the new scheme is more flexible than the old one
论文开展了分布目标回波模拟器的方案研究，对比了已有的回波模拟器的原理和基本方法，并结合作者研究海面sar回波信号的结果，对前人的分布目标回波模拟器的方案进行了改进，使之具有更大的灵活性。 - This paper focuses on the design and implementation of intelligent hybrid - bus data collecting and processing system . based on one - wire techniques and its digital sensors , a hybrid - bus system is designed ; then with field - bus techniques , a lonworks hybrid data collecting system is constructed for the monitoring of distributed targets ; in order to realize real - time measurement and control on large - scale distributed system , gprs sms technique is adopted for the realization of the wireless data collecting system ; moreover , in order to improve the efficiency of control systems , a method of designing intelligent hybrid data collecting system is proposed based on multi - agent theory , and the multi - agent model and hardware structure are also discussed in detail with the fusion of one - wire and fieldbus techniques
本文对基于混合总线技术的网络化智能数据采集与处理系统的设计与实现方法进行了研究：利用单总线技术和单总线数字传感器，设计了基于单总线的混合总线网络数据采集与处理系统；利用现场总线技术，设计了基于lonworks的混合总线网络数据采集与处理系统；为了实现大规模分散目标的实时测控，利用gprs短信息技术设计了无线智能数据采集与处理系统；为了优化控制系统的性能，基于agent理论，提出了融合单总线技术和现场总线技术的多agent混合总线智能数据采集与处理系统的模型及其硬件实现方法。 - During this paper , definition of the measure enter - cover - probability is given , andthree - dimension detection space are transformed to level detection circles on differentheights . aiming at the most normal situation of symmetric line , cross - to line and cross - awayline taken by the carrier , probablely - enter - cover - target - distribution are analysed in relativemovement method on the premise that targets fly perpendicular to the flying direction of thecarrier . mont - cario method is used to simulate uniformly - distributed - targets situation and getthe measure , and results are used to analyse the influence of line - landscape - orientation - ratio , line - portrait - ratio , and speed - ratio on the measure . for further research , influences of height and blind space are also discussed on base ofradar level detection range , and situations of non - uniformly - distributed targets are alsoresearched
为了分析主动探测空间动态性能,本文首先提出以“目标进入雷达覆盖区概率” (简称为“覆盖率” )作为评价指标;然后将三维探测空间转换为不同高度层对应的水平探测圆,针对载机采用双平行航线、交叉相向航线和交叉同向航线的最一般情形,采用相对运动的方法,分析目标垂直入侵时可能进入雷达覆盖区的目标分布情况;再运用蒙特卡洛法进行仿真计算,分析并比较目标服从均匀分布时航线横比、航线纵比及速度比对性能的影响。 - Exsiting calibration methods are classified as ( 1 ) methods using point targets and distributed targets ; ( 2 ) methods using only distributed targets and ( 3 ) methods using only point targets . then the typical algorithms of every methods are given in which those of method ( 1 ) and ( 2 ) are modified based on a quantity of literatures
然后在众多算法中挑选了三种技术的典型算法，在综合多篇文献的基础上，给出修正的混合点目标和分布目标的定标算法：对所选的分布目标算法本人进行了修正，并给出了这个修雁的算法；点目标算法则按照原文献给出。 - At present , more and more people focus on the research of the synthetic aperture radar ( sar ) echo signal simulator , which is the necessary instrument for the design , research and test of sar system , and have already completed the sar echo signal simulator based on point target and simple distributed target
合成孔径雷达( sar )回波模拟技术是合成孔径雷达设计、研制和测试的必要手段。目前sar回波模拟器的研究已经成为热点课题,且已有基于点目标和简单分布目标的回波模拟器系统,但国内这方面起步较晚,尚待进一步研究完善。
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