炮弹在雷达天线波束里飞行，回波信号包含多普勒信息。
Since cannonball travels in the antenna beam of the radar, its echo signal contains Doppler information.
首先给出了双站SAR的回波信号模型，接着分析了方位多普勒信息。
First, the echo signal model of Bistatic SAR is given and then the analysis of the signal in Doppler domain is performed.
在未知阵列响应矢量的条件下，利用信号的多普勒信息，估计出期望信号的波达方向。
The Doppler frequency of signals was used to estimate the direction of arrival (DOA) of desired signal with unknown array response vector.
微多普勒为雷达目标识别提供了一种新的思路和方法，而目标的平动速度会影响微多普勒信息的提取。
Micro-Doppler provides a new way for radar target recognition while the translation velocity affects the extraction of micro-Doppler information.
该方法首先在不知道任何基阵方向向量先验知识的情况下，利用信号的多普勒信息估计波束形成的权矢量。
The weight vector of beamforming is estimated by Doppler information of the signal first, then it is approximated by RBFNN to carry out the blind optimizing beamforming.
它通过发射线性调频(lfm)的脉冲压缩信号实现距离上的高分辨率，利用脉冲之间的多普勒信息获得方位上的高分辨率。
It obtains its high resolution in range by transmitting LFM signal and that in aspect by utilizing the Doppler information among the pulsed echoed signal.
你们可以得到所有，天文学中的有用信息，只要对双星系统进行，多普勒顿移。
And so you get all this useful information in astronomy by making the Doppler shift measurements of binary systems.
医学超声多普勒系统的高通滤波器在消除血管壁搏动带来的回波干扰时，也滤除了低速血流信息。
In medical Doppler ultrasound systems, a high-pass filter is usually employed to remove wall clutter components which may also remove the information of the low velocity blood flow.
我们研究目的是用多普勒超声作为非侵入性检查方法来获取肾脏血液动力的信息。
Our objective was to use Doppler ultrasonography as a noninvasive procedure to provide renal hemodynamic information.
正交相位法是超声多普勒技术中提取双向性血流信息的一种重要方法。
Quadrature phase method is one of the important methods in directional blood flow information detection using Doppler ultrasound techniques.
雷达回波信号中，除幅度、相位和多普勒频移外，还存在第四特征——极化信息。
Besides amplitude, phase and Doppler frequency, polarimetric information is the fourth characteristic in the radar echo.
结论由彩色多普勒超声获得的脐动脉血流量信息，在评价胎盘功能中起着重要作用。
Conclusion the information of umbilical artery blood flow quantity gained by color Doppler ultrasound may play an important role in evaluating the function of placenta.
方法：应用经颅多普勒超声（TCD）检查了发作期偏头痛患者声信息治疗前后颅内各动脉的平均血流速度。
Methods With transcranial doppler ultrasound(TCD), intracranial arteries of patients with migraine during the period of attack were examined before and after sound information therapy.
本文讨论了多普勒频率信息在辐射源无源定位和基于第三方辐射源无源定位中的应用。
In this paper, the applications of Doppler frequency information in the passive location of emitter source and the passive location of the third part transmitter have been discussed.
超声多普勒血流信号声谱图包络是声谱参数提取的基础，能为临床心血管疾病的诊断提供重要信息。
The spectrogram envelop of Doppler ultrasound blood flow signals from which spectrogram parameters can be estimated is important to clinical diagnosis of cardiovascular diseases.
多普勒主动雷达导引头(ARS)可利用波束速度连续辅助惯导，弥补“北斗”系统无速度信息、不能全程使用的缺点。
While Doppler Active Radar Seeker (ARS) could be aided SINS by beam velocity all The Times and remedy the BDS's default of lacking velocity information and continual working ability.
结论彩色多普勒超声能够对隐睾进行详细的解剖定位，为临床选择治疗方案提供极有价值的信息。
Color Doppler Ultrasound can provide detailed anatomical positioning for cryptorchidism and provide valuable information for clinical treatment.
本文介绍了对连续波雷达的多普勒频率信息，用自定位技术获得高精度的弹道位置参数的一种方法。
In this paper, a self-position technique is introduced to obtain high accuracy position parameters from doppler frequency.
多普勒超声和心肌组织成像能为这些患者提供重要的诊断信息。
In these patients Doppler echocardiography and myocardial tissue imaging can provide essential diagnostic information.
论文第二章介绍了利用相位差变化率和多普勒变化率的定位原理，并且通过系统可观测性分析证明了其与角度信息联合利用跟踪目标的可行性。
In chapter 2, the basic principle and observability for target location utilizing phase difference rate-of-change and Doppler rate-of-change information of emitter is discussed.
并且讨论了在脉冲多普勒相参体制雷达下目标回波的相位信息以及目标信号的多普勒谱特性。
Then discussing the phase information and Doppler characteristic of target echo wave in the pulse Doppler phase radar.
旋转部件的多普勒调制信息具有良好的姿态角稳定性，是雷达识别直升机的主要信息来源。
Doppler modulated echo information of helicopter rotors has a better stability of the aircraft's attitude, which is the main information source of radar identifying helicopters.
X波段双线极化多普勒雷达估测北京地区降雨强度以及水凝物粒子相态识别的研究[d]。成都：成都信息工程学院，1- 64。
Application research of rainfall estimation and hydrometeor type classification from X-band dual-polarimetric Doppler radar in Beijing [d]. Chengdu: Chengdu University of Information Technology, 1-64.
（多普勒甚高频全向信标）是当今民航最为常用的通信导航设备之一，可以给民航飞行器提供角度信息。
DVOR (Doppler VHF omni-directional Range) is one of the equipments most commonly used in today's civil aviation communications and navigation. It provides the perspective information for the aircraft.
机载脉冲多普勒气象雷达则能够用清晰的图像实时显示出飞机前方的气象状况，并及时将极端天气的报警信息提供给飞行员，以提前躲避危险。
Airborne pulse doppler weather radar could display clear colorized weather image dynamically on its screen and give pilots alarm about the extreme weather area to avoid risk betimes.
但由于这一信息非常微弱，且脉冲信号的持续时间很短，多普勒变化率的精确测量也十分困难。
While the information is quite difficult to estimate since it is very subtle and the pulse duration is very short.
该方法通过时频分析获得自混合信号频率随时间的变化，利用激光与外部物体相互作用后的多普勒频移与信号频率相等的关系，非常方便的获得了外部运动物体的速度历史信息。
The frequency of the self-mixing interference signal is acquired by time-frequency analysis, and this frequency is equal to the Doppler shift, so the velocity of external object is gained easily.
正交检波方法既能给出灰度超声成像所需要的回波的幅值信息，也能给出多普勒超声成像所需要的回波的相移信息。
Orthogonal detection can give us both the amplitude information for gray-scale imaging and phase shift information for doppler spectrum analysis.
为此，提出一种利用空频域信息的固定单站无源探测定位方法，利用波达方向、相位差变化率、载波频率及多普勒频率变化率实现对运动目标的无源定位。
Therefor, a single observer passive location method was proposed by using direction of arrival, phase difference rate-of-change, frequency and Doppler frequency rate-of-change in this paper.
为此，提出一种利用空频域信息的固定单站无源探测定位方法，利用波达方向、相位差变化率、载波频率及多普勒频率变化率实现对运动目标的无源定位。
Therefor, a single observer passive location method was proposed by using direction of arrival, phase difference rate-of-change, frequency and Doppler frequency rate-of-change in this paper.
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