德克萨斯州沙尘暴的多普勒雷达观测。
脉冲多普勒雷达是一种先进的全相参体制雷达。
Pulsed Doppler radar (PD radar) is a kind of advanced radar which using coherent processing.
该方法可以用于火箭增程弹多普勒雷达测速数据处理。
The method can be used to deal with measuring velocity from Doppler radar of the rocket-assisted cartridge.
回顾了近年来由单多普勒雷达观测反演风场的各种方法。
The methods employed in recent years to retrieve vector wind information from single-Doppler radar observation are reviewed briefly.
针对脉冲多普勒雷达的特点，指出了对其干扰的特殊性。
According to the characters of PD radar, the specialties of jamming for PD radar are pointed out.
描述了一种利用多普勒雷达原理进行脱靶矢量测量的方法。
A way to measuring the miss distance vector by doppler radar theory is described.
提出了一种脉冲多普勒雷达数字信号处理机机内测试方法。
A new method of built in self testing for pulse doppler radar digital signal processor was advanced.
提出了复合增程弹起始飞行段弹道多普勒雷达数据拟合方法。
The Doppler Radar data fitting method of the first flight segment trajectory in a free flight test of rocket assisted and base bleed projectiles was presented.
脉冲多普勒雷达是现代战斗机普遍采用的一种典型雷达体制。
The pulse Doppler (PD) radar is a kind of classic radar which has been furnished in the modern fighters.
脉冲多普勒雷达在信号检测时存在距离模糊和速度模糊的问题。
There exist ambiguities of range and velocity in the signal detection of pulse Doppler radar.
近几十年，多普勒雷达资料，在强对流天气监测及预报中广泛应用。
During the past few decades, observations from Doppler radars are widely used in diagnostic studies of convective systems, severe weather detection, and short-term forecasting.
分析了这两对双多普勒雷达径向速度测量误差引起的风场反演的误差。
The errors of wind derived from the two Doppler radar systems are estimated.
本文的工作就是多普勒雷达资料在MM 5模式中的四维变分同化试验。
This paper does the experiments of Doppler radar's Four-dimensional Variational Assimilation in MM5 model.
多普勒质心估计是机载脉冲多普勒雷达dbs成像技术中最为关键的步骤之一。
Doppler centroid estimation is one of the most important steps in the DBS imaging of airborne pulse Doppler radars.
W波段连续波相参多普勒雷达具有测速精度高的优点，广泛应用于多种测速场合。
The W-band coherent Doppler radar has high precision. It is widely used in speed measuring.
脉冲多普勒雷达的固有距离模糊，增大了多普勒滤波器组对杂波抑制能力的要求。
The inherent distance ambiguity of pulse Doppler radar increases the requirement of Doppler filter group to the clutter-suppression ability.
本发明的实施例涉及多普勒雷达系统的改进，且适合与频率扫描雷达系统一起使用。
Embodiments of the invention are concerned with improvements to Doppler radar systems, and are suitable for use with frequency scanning radar systems.
设计的多普勒雷达目标模拟器用于分析、验证某型号雷达测速系统存在的技术问题。
The doppler radar simulator is used to analyze and validate the problem of one radar velocity measurement system.
实例反演也证明了扩展VAP方法的反演性能，与双多普勒雷达反演结果基本一致。
It has further proven the retrieval capability of extended-VAP method via the retrieval example and the comparison with the result of Dual-Doppler analysis.
利用多普勒雷达体扫描资料对风暴进行实时地自动识别、跟踪、结构分析和临近预报。
A methodology is presented for the real time, automated identification, structure analysis, tracking and short range forecasting of storms with Doppler weather radar volume scan data.
它可以实现同步拖引干扰、灵巧噪声干扰和假目标干扰的功能，能够有效的干扰脉冲多普勒雷达。
It has the functions of synchronization pulling off jamming, smart noise jamming and false target jamming, it also can jam Pulse Doppler radar effectively.
脉冲多普勒雷达是利用目标与雷达之间相对运动产生的多普勒效应实现测速功能的一种新型雷达。
Pulse Doppler radar is a new type of radar which uses the Doppler effect due to the relative movement between the object and the radar to measure the velocity of the object.
角欺骗干扰是脉冲多普勒雷达导引头十分有效的干扰方式，在时频域均难以找到其有效的抑制方法。
The angle cheating interference is very effective for the pulse Doppler radar seeker. It is difficult to find an effective suppression method of this kind of interference in time and frequency domain.
其根据多普勒雷达径向速度资料的特点，水平方向采用非各向同性的单变量背景场误差协方差函数。
As for the characters of the Doppler Radar radial velocity data, the single variable background error covariance is used. And the anisotropic covariance function is adopted in the horizontal plane.
利用多普勒雷达资料，采用一种改进后的交叉相关法(COTREC)建立了一种降水临近预报方法。
Using Doppler radar data, an algorithm for precipitation nowcast is set up by applying an improved cross-correlation extrapolation method (COTREC).
消除噪音和速度模糊、进行水平风场的反演并检验是正确使用和充分利用多普勒雷达探测资料的前提。
The preconditions to make best use of the Doppler radar data includes the noise removing, velocity ambiguity distinguishing, horizontal wind field retrieving and exactness verifying.
由于船舶靠岸速度很低，多普勒频移很小，利用一般连续波多普勒雷达检测船舶靠岸速度，困难较大。
When Doppler frequency shift is very low for the very slow speed of a ship drawing alongside, it is rather difficult to detect ship's speed with a general CW Doppler Radar.
脉冲多普勒雷达是先进战斗机上广泛采用的火控攻击雷达，对这种雷达，有些理论问题仍需进一步研究。
The pulsed Doppler radar is widely adopted in modern advanced fighting aircrafts as the fire controlling radar, of which some theoretical problems are still waiting for further researching.
本文从平均模糊函数的定义出发，推导了随机脉位调制脉冲多普勒雷达信号的平均模糊函数解析表达式。
Based on the definition of the average ambiguity function, the numerical expression of the average ambiguity function for the RPPM pulse doppler radar signal is derived in this dissertation.
本文从平均模糊函数的定义出发，推导了随机脉位调制脉冲多普勒雷达信号的平均模糊函数解析表达式。
Based on the definition of the average ambiguity function, the numerical expression of the average ambiguity function for the RPPM pulse doppler radar signal is derived in this dissertation.
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