多普勒频率变化率,Doppler changing rate
1)Doppler changing rate多普勒频率变化率
1.Research of passive location based on theDoppler changing rate;基于多普勒频率变化率的无源定位算法研究
2.The paper put forward the method ofDoppler changing rate combine with MVEKF using in a novel passive de- tecting radar system,we also perform the mathematical modelings and simulations,the emulation proves this new method will have various applications in the field of tbe Novel Passive Locating System.文中针对新型无源探测系统的要求,提出了多普勒频率变化率和MVEKF相结合的定位算法,并进行了数学建模和仿真分析,结果表明这种算法将在新型无源探测系统中具有很好的应用前景。
3.Doppler changing rate is based on kinematics principle, and using information of re-kinematics between target and observation station to make it easy and intuitionistic.多普勒频率变化率定位法依据运动学原理，提取辐射源目标和观测平台的相对运动信息进行定位，概念直观清晰，定位速度和定位精度比传统的单站无源定位方法高很多。
英文短句/例句
1.Research of Passive Location on the Basis of Doppler Changing Rate;基于多普勒频率变化率的无源定位技术研究
2.Research of Measure Techniques for Doppler Frequency Rate-of-Change in Deceive Jamming Signals欺骗干扰信号中多普勒频率变化率测量技术研究
3.According to the laser gain change is linear related to the frequency shift, the Doppler frequency is extracted by the signal processing.根据激光的增益变化和频率变化成线性关系，可以对信号进行处理求出多普勒频移。
4.The doppler frequency is a function of the two scattering directions.多普勒频率是两个散射方向的函数。
5.Doppler Frequency Compensation of Vehicular MTD Search Radar车载MTD搜索雷达多普勒频率补偿方法
6.Frequency Estimation Algorithm of Laser Doppler Signal一种激光多普勒信号的频率估计算法
7.Estimated Method for Flight Speed Based on Change Ratio of Angle Displacement on Doppler Shift基于多普勒角位移变化率的速度估算方法
8.Research on Airborne Passive Location Using Doppler Changing Rate基于多普勒变化率的机载无源定位研究
9.Difference between Doppler Frequency and Azimuth Frequency and Its Influence on the Azimuth Resolution of Spaceborne SAR星载SAR方位向频率与多普勒频率的差异及其对成像分辨率的影响
10.The Clinical Study of Quantitative Assessment of Viable Myocardium Using Pulsed Tissue Doppler Imaging and Strain Rate Echocardiography;频谱组织多普勒和应变率成像技术检测存活心肌的临床研究
11.The Doppler frequency can be obtained as a heterodyne or beat effect.由于外差或频差效应，能够得到多普勒频率。
12.Modulation-Free Laser Frequency Locking by AOM Shifted Cesium Sub-Doppler Spectra声光偏频亚多普勒光谱无调制激光频率锁定
13.Doppler Frequency Estimation of High-resolution SAR Based on DSP基于DSP的高分辨SAR多普勒调频率的估算
14.Application of Doppler Frequency Compensation Algorithm in Acquisition of GPS Signals多普勒频率补偿算法在GPS信号捕获中的应用
15.A New Fast-time Doppler Effect Compensation Method Applied to Step Frequency SAR System步进频率SAR快时间多普勒效应补偿新方法
16.Influence of Doppler Effect and Frequency Tolerance to Train Dispatching Radio System多普勒效应与频率容差对无线列调的影响
17.Method for Doppler centroid estimation of airborne radar with a high pulse repetition frequency机载高重复频率雷达多普勒中心估计方法
18.Variations of Doppler Shift and Spread for HF One-hop Skywave短波─跳天波多普勒频移和展宽的变化
相关短句/例句
Doppler frequency rate-of-change多普勒频率变化率
1.An Estimation Algorithm for Doppler Frequency Rate-of-Change with LFM Coherent Pulse Signal;一种关于LFM相参脉冲信号多普勒频率变化率的估计算法
2.Research of Measure Techniques for Doppler Frequency Rate-of-Change in Deceive Jamming Signals欺骗干扰信号中多普勒频率变化率测量技术研究
3.The obtainment ofDoppler frequency rate-of-change from BPSK coherent pulse signal is a key technology in the passive locating and tracking system of single observation.BPSK信号广泛应用于新体制雷达中,测量BPSK信号中包含的多普勒频率变化率信息是单站无源定位与跟踪的关键技术。
3)Doppler changing rate多普勒变化率
1.The system of single fast platform location adopts two algorithms of phase difference changing rate location andDoppler changing rate location.单个快速平台定位系统采用相位差变化率定位和多普勒变化率定位两种定位体制,多个慢速平台定位系统采用测向交会定位和时差交会定位两种定位体制。
2.To analyze the observability of passive location by a single observer from angle andDoppler changing rate measurements,necessary and sufficient conditions,through establishing equivalent observable criterion,are derived for the three-dimensional finite order dynamic target location by a single passive observer.针对利用角度和多普勒变化率观测量进行单站无源定位的可观测问题,通过建立可观测分析的等价准则,分析并给出了三维有限阶运动目标在利用角度和多普勒变化率观测量时目标状态可观测的充要条件。
3.In order to enhance the observability, increase the convergence speed and improve the locating precision in the airborne passive location, a novel method using bearings, bearings changing rate andDoppler changing rate was proposed.针对机载无源定位可观测性弱、收敛速度慢、定位精度差等问题,提出了一种利用角度、角度变化率和多普勒变化率对地面目标进行定位的方法。
4)Doppler rate-of-change多普勒变化率
1.A Fast and Accurate Estimator for Doppler Rate-of-Change with the Coherent Pulse Train;相参脉冲序列多普勒变化率的一种快速高精度测量方法
2.Passive localization by a single satellite based on doppler rate-of-change基于多普勒变化率的单星无源定位
3.This paper is concerned with the estimation ofDoppler rate-of-change from the characteristics of coherent pulses of a sinusoidal signal in additive Gaussian noise.研究了正弦相参脉冲信号多普勒变化率的估计问题。
5)Doppler frequency多普勒频率
1.Based on traditional techniques of passive location,single-station passive location is achieved by adding observation information,which is bearing andDoppler frequency joint location method.在传统的无源定位技术基础之上,采用增加观测信息量的方法来实现单站无源定位,即方位/多普勒频率联合定位技术。
2.When detecting the high-speed moving target by using phase-coded signals,Doppler frequency compensation is necessary because of theDoppler frequency sensitivity of phase-coded signals.利用相位编码信号探测高速运动目标时,存在多普勒频率敏感性问题,需要对多普勒频率进行补偿。
3.Amplitude distortion and phase distortion of signal caused by radar transmitter and receiver andDoppler frequency produced by target radical movement are three key factors that influence the performance of pulse compression.由雷达发射、接收系统导致的信号幅度、相位失真以及由目标径向速度导致的目标多普勒频率是影响脉冲压缩性能的三个主要因素。
6)doppler rate多普勒调频斜率
1.Errors caused by the aircraft motion and orientation lead to the errors of the Doppler centroid and Doppler rate,thus some significant distortions appear in images.针对真实飞行条件下飞机运动和定位误差导致多普勒中心频率和多普勒调频斜率误差,从而使图像出现大的变形的特点,提出了真实飞行条件下估计接收数据多普勒中心频率和多普勒调频斜率的新方法。
2.A new method for estimating the Doppler rate in synthetic aperture radar (SAR) imaging is presented based on the four-parameter Chirplet decomposition of the signal in a range bin.提出了基于一个距离门信号的四参数 Chirplet分解方法 ,估计合成孔径雷达 ( SAR)回波的多普勒调频斜率。
3.This paper analyzes the relation between the Doppler rate and phase gradient,and proposes algorithm for the Doppler rate estimation with the PGA,then the performance of this algorithm is verified by the computer simulation data and airborne SAR data.本文详细地分析了多普勒调频斜率误差与相位梯度的关系 ,提出了基于PGA的多普勒调频斜率估计算法 ,并进行了仿真和机载SAR数据的成像实验 。
延伸阅读
频率变化率继电器频率变化率继电器frequency change rate relayP Inl口b旧nh口olu]一d一orlql频率变化率继电器(frequeney。hange:aterelay)当所在点交流电压的频率变化率超过预先设定值时动作的继电器。主要用于电力系统的自动低颇减负荷装置中，配合低频继电器的动作，在电力系统发生严重有功功率缺额情况下，加速自动减负荷，以迅速恢复电力系统频率，保证电力系统安全稳定运行。
