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估计
相关语句
  estimation
    Research on Direction-of-Arrival and Related Parameters Estimation of Radar Signals
    雷达信号到达角及相关参数估计研究
短句来源
    DOPPLER CENTRIOD ESTIMATION FOR SPACEBORNE SAR SIGNAL PROCESSING
    星载SAR信号处理的多普勒中心频率估计方法
短句来源
    ESTIMATION OF MAXIMUM AIM ERROR FOR ANTISHIP MISSILE FIRE CONTROL SYSTEMS
    反舰导弹火控系统最大瞄准误差估计
短句来源
    Parameter Estimation of the Weak Maneuvering Target
    弱机动目标的参数估计
短句来源
    Using Current Spectrum Estimation Method to Implement High Confidence Level Acknowledgement of Missile System Simulation Models
    用现代谱估计法实现导弹系统仿真模型的高可信度确认
短句来源
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  estimation by
    Maximum Likelihood DOA Estimation by using Doppler Information
    利用多普勒信息的波达方向最大似然估计方法
短句来源
    METHOD OF SCATTERING CENTER ESTIMATION BY RADAR TARGET FREQUENCY RESPONSE DATA IN CLUTTER ENVIRONMENT
    杂波环境下雷达目标频域响应的散射中心估计方法
短句来源
    Target Bearing Estimation by Means of Gravity Center of Area
    应用求面积重心方法进行目标方位估计
短句来源
    This method can improve the azimuth power spectra and the precision of Dopplercentroid frequency estimation by filtering the time-frequency distribution of the tars.
    本章最后结合星载SAR实测数据,并利用我们提出的方法估计出的多普勒参数对实测数据进行成像,得到了满意的雷达图像。
短句来源
    This paper focuses on the application of time frequency analysis in the area of radar signal processing, introducing the basic theory and the lately development of time frequency analysis for the use of radar signal detection, filtering and parameters estimation by the way theoretical evolution and MATLAB simulation.
    本文以时频分析在雷达信号处理中的应用为重点,介绍了在时频分析处理领域的理论基础和最新发展,以雷达信号检测,滤波,参数估计为研究目的,理论推导和MATLAB仿真为研究方式。
短句来源
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  angular estimation
    The Detection and Angular Estimation of Two Jamming Sources for Passive Radar Seeker
    一种在被动导引头中检测及估计两源的方法
短句来源
  “估计”译为未确定词的双语例句
    Power Spectrum Stimation for Pulse Doppler Radars
    脉冲多普勒雷达的随机脉位信号功率谱估计
短句来源
    As an important quantificational index for maintainability,the predication method and algorithm of mean time to repair(MTTR) are always dependent on experimentation and experience.
    平均修复时间(MTTR,Mean Time To Repair)作为一个重要的维修性定量指标,目前其预计方法及算法立足于大量的试验结果和经验估计.
短句来源
    Application of MESA on Validating Missile Simulation Model
    应用最大熵谱估计进行导弹系统的仿真模型验证
短句来源
    A Detection Performance Analysis of Bias Axis Tracking of Low Altitude Target
    雷达偏轴跟踪低空目标检测性能估计
短句来源
    Application of MEM in Predicting Radar Clutters
    最大熵谱估计在预测雷达杂波中的应用
短句来源
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  estimation
The results are interpreted in the context of spectral estimation of ARMA processes.
      
An Estimation of the Truncation Error for the Two-Channel Sampling Formulas
      
The aim of the article is to obtain an estimation for the truncation error in the
      
Minimum-Variance Multitaper Spectral Estimation on the Sphere
      
Such an estimate is both more representative of the target region and reduces the estimation variance when compared to estimates formed by any single bandlimited window.
      
更多          
  estimation by
Experimental results show that the proposed approach can reduce the computational cost of full search and fast multi-block motion estimation by 80 % and 45 %, respectively, with similar visual quality and bit rate.
      
Nonparametric Frontier Estimation by Linear Programming
      
States of a Map Flow of Events: Optimal Estimation by the Maximal a Posteriori State Probability Criterion
      
To verify CR estimation by loading tests in subjects with pronounced signs of myocardial ischemia in the electrocardiogram, we examined the stationary heart rate (HR) level as a function of the loading power in each subject.
      
Effect of surfactant mixtures on electrochemical processes: An estimation by the principle of linearity of free energies
      
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The principle of probing the ionospheric electron density profiles by the incoherent scatter method is discussed, and some typical photos, a signal power spectrum plot and two electron density profiles obtained in the experiment are presented.

本文介绍了利用非相干散射探测电离层电子浓度分布的原理和对R_(10)雷达探测能力的估计,以及为开展此实验所必需的终端处理设备以及实验所取得的一些典型照片、频谱曲线和电子浓度分布图。

Passive location and tracking method using multiple measuring station is discussed for a moving target carrying an active emitter. Weighted least square estimation for target location and Kalman filtering for tracking and predication are used in such passive location system. Simulation results show that it is an efficient mathod for emitter location. The location accuracy depends on the number, measuring accuracy and geometry of the stations and the moving emitter trajectories.

本文探讨了在有源干扰环境下利用多个测量站对运动辐射源进行被动定位与跟踪的方法。该无源被动定位系统采用了加权最小二乘法来估计目标位置并用卡尔曼滤波器对目标进行跟踪与预测。计算机仿真结果表明,该系统可对运动辐射源定位,定位精度主要由测量站数目、布局及其测量精度和目标航迹所确定。

Studies in this paper are the effects of target and missile accelerations on terminal miss-distance in differential game optimal guidance for air-to-air missiles. According to the three types of guidance laws obtained, the choice of the weigh ting factors in performance index is discussed and two schemes of time-to-go estimation are given. The simulation shows that missile lateral acceleration, when taken as guidance signal, significantly improves the terminal accuracy, and target acceleration, if it is not...

Studies in this paper are the effects of target and missile accelerations on terminal miss-distance in differential game optimal guidance for air-to-air missiles. According to the three types of guidance laws obtained, the choice of the weigh ting factors in performance index is discussed and two schemes of time-to-go estimation are given. The simulation shows that missile lateral acceleration, when taken as guidance signal, significantly improves the terminal accuracy, and target acceleration, if it is not large enough when introduced into guidance process, generally has no such big effect.

本文研究空-空导弹微分对策最佳导引问题中目标加速度及导弹加速度对制导精度的影响。根据推得的三类制导律讨论了指标中权系数的选择原则,并给出了剩余飞行时间(time-to-go)的两种估计方案。仿真结果表明:导弹侧向加速度作为制导信号对导引精度有十分明显的提高,如果目标加速度不大,在制导过程中引入目标加速度则效果不显著。

 
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