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radar measuring
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  雷达测量
     The Establishment of Dynamic and Radar Measuring Equations of Reentry Maneuvering Target
     再入机动目标动力学方程及雷达测量方程的建立
短句来源
     Then we analyse kinds of methods of rainfall rate measurements' difference for S-band dual linear polarization radar, contrast radar measuring one hour accumulation precipitation with surface data, and discuss the method of the K_dp calculation to influence precipitation .
     接下来分析了S波段双线偏振多普勒雷达单点时刻的几种估测降水强度方法的差异,并将雷达测量一小时累加降水量与地面雨量站资料对比,讨论了K_(DP)计算方法本身对降水估测的影响。
短句来源
     Then, rainfall estimated by radar data was derived from the sequence of Z I relation and compared with the measuring of raingauge,the accurate problem of precipitation with radar measuring was analysed.
     然后用每组关系得到降雨的雷达估计值,与雨量计实测降雨量比较,对雷达测量降水精度问题进行探讨。
短句来源
     The guided precision of surface to air missile weapon system to use relative system radar measuring system, has been studied and made great efforts in many years, it is the composite product of undulate error and movement error.
     采用相对体制雷达测量系的地空导弹武器系统的引导精度,已经过多年研究和努力,它是起伏误差和动态误差的综合产物。
短句来源
  雷达观测
     This paper discusses the feasibility of anti-stealth by radar networks. It deduces the formulas about the relationship of detection probability with the variance of target distance from the radar and the characteristic of stealthy targets, and gives the method of calculation for the radar measuring errors considered the characteristic of stealthy targets.
     研究了雷达组网反隐身的可行性,推导了隐身飞行器发现概率与飞行器距离以及飞行器雷达散射特性之间的关系,并给出了雷达观测误差的计算方法。
短句来源
  雷达测
     Radar Measuring Ice Thickness of No. 1 Glacier at the Source of Urumqi River, Tianshan
     天山乌鲁木齐河源1号冰川雷达测
短句来源
     Comparitive Study on Dual Linear Polarization Radar Measuring Rainfall Rate
     双线偏振雷达测雨效果的对比分析
短句来源
  “radar measuring”译为未确定词的双语例句
     The direct algorithm of interferometric synthetic aperture radar measuring is to directly introduce the absolute phase difference into range equation and Doppler equation to resolve the ground coordinates.
     直接将绝对相位差引入距离方程和多普勒方程答解地面点坐标,称为合成孔径雷达干涉测量直接算法。
短句来源
     In this paper, it is proved that the estimation of parameters of the statistical model of the tracking radar measuring error series is strong consistent.
     我们证明了文[1]中提出的跟踪雷达测量误差模型参数估计的强相合性.
短句来源
     THE STATISTICAL MODEL OF THE TRACKING RADAR MEASURING ERROR SERIES(Ⅰ):BUILDING MODEL
     跟踪雷达测量误差的统计模型(Ⅰ):模型的建立
短句来源
     ADVANCES AND APPLICATIONS OF GROUND PENETRATING RADAR MEASURING TECHNOLOGY
     探地雷达测试技术发展概况及其应用现状
短句来源
     THE STATISTICAL MODEL OF THE TRACKING RADAR MEASURING ERROR SERIES (Ⅱ): THE STRONG CONSISTENCE OF ESTIMATION OF PARAMETERS
     跟踪雷达测量误差的统计模型(Ⅱ):参数估计的强相合性
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  radar measuring
It is shown that, using semiexperimental computer modeling, the accuracy of the radar measuring system is quite acceptable for estimating the wave-forming properties of ships.
      
The list of their metrological characteristics includes the metrological characteristics of the narrow-band radar measuring system and the errors in measuring broadband characteristics.
      
The features of the metrological backup of broadband radar measuring systems are considered.
      
Justification of the List of Metrological Characteristics of Broadband Radar Measuring Systems
      
The effect of electrodynamic interaction between the transmitting and receiving exciters of the collimator of a coherent radar measuring system on the accuracy of measurements of the radar characteristics of targets is estimated.
      
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The methods of the cross-coupled constant-gain filtering and the cross-coupled piecewise constant-gain filtering are proposed for tracking systems with a radar measuring range and vdocity simultaneously. Some variants of them and the cross-coupled Kalman fihering are tested by computer simulations under the same condition. Their tracking performances and the computer duty requirements are compared.

本文对同时测距和测速的雷达跟踪系统提出了互耦常增益滤波和互耦分段常增益滤波的方案,在相同的模拟条件下,对其中一些方案和互耦卡尔曼滤波用计算机做了模拟试验,比较了它们的跟踪性能和对计算机的负荷要求。

A great many papers about recursion filter of least square estimation have been published. But the results of those papers can only be used for noncouple radar measuring system. The radar range recursion filter formula, which is widely used in present radars, for linear frequency modulated pulse compression signal, has not been formed yet. In this paper, the general formula for radar range data recursion filter is presented, which is derived according to concept of the transfer smoothing...

A great many papers about recursion filter of least square estimation have been published. But the results of those papers can only be used for noncouple radar measuring system. The radar range recursion filter formula, which is widely used in present radars, for linear frequency modulated pulse compression signal, has not been formed yet. In this paper, the general formula for radar range data recursion filter is presented, which is derived according to concept of the transfer smoothing matrix of recursion filter and reference (8). It can be used for all radar or sonar measuring systems.In addition, the characteristic of α-β-γ traker filter of linear frequency modaluted pulse compression radar range data is analysed and the accuracy about least square recursion filter theory is verified by artificial method. The results hvve proved that this theory has many advantages, such as higher reliablity and stability, and faster restrain oneself than those of referece (2). It is a new useful optimal estimation recursion filter.

许多关于最小二乘递推滤波器的文章已发表,但这些论文的成果只适用于无耦合的雷达测量系统。在现代雷达中,得到广泛应用的线性调频脉冲压缩信号的雷达距离数据递推器公式还未建立。在本文中,建立了雷达距离数据递推滤波器通用公式,它是根据递推滤波平滑转移矩阵的概念和文献[8]推导的。这个公式适用于所有的雷达和声纳测量系统。 此外,分析了线性调频脉冲压缩雷达距离数据α-β-γ跟踪滤波器的性能和利用仿真的方法验证了最小二乘递推滤波器理论的正确性。这些结果证明这个理论具有许多优点,如较高的稳定性,可靠性和较快地收敛,所以比文献所提出的方法好。这种滤波器是一个新的有用的最优估计递推滤波器。

Two precipition processes happend on may 25, may 12, 1987 in Wuhan region are analyzed quantitatively in this paper by using the digitized data of colorized of the WSR-815 Weather radar and the rainfall of auto-raingauges Which are a part of the Whole radar-raingauge system. It is found that the effect of calculus of variations for adjustment is the most excellent and reached the needed accuracy after adjusting the radar measured area precipitaton with the calculus of variat-, ions and the...

Two precipition processes happend on may 25, may 12, 1987 in Wuhan region are analyzed quantitatively in this paper by using the digitized data of colorized of the WSR-815 Weather radar and the rainfall of auto-raingauges Which are a part of the Whole radar-raingauge system. It is found that the effect of calculus of variations for adjustment is the most excellent and reached the needed accuracy after adjusting the radar measured area precipitaton with the calculus of variat-, ions and the average adjustment and comparing the two methods. At the same time this paper describes the digital solution of the variation equation and the choice of its weighhted coefficient, analyses and compares the practical effect of the digital information of Column Wax and ZPPI.

本文应用武汉地区1987年5月25日和5月12日二次降水过程的WSR—81S型数字化雷达的彩色分层数字资料和自动雨量计校准子系统的雨量资料。分别用变分方法和平均校准方法去校准雷达测定区域降水量,并对这两种方法进行比较,发现变分校准技术的效果最佳,能够达到一定的精度。同时介绍了变分方程的数值解法及其权重系数的选择,分析比较了Column Max和ZPPI两种图像数字资料的使用效果。

 
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