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.
介绍了一种C波段脉冲多普勒天气雷达接收机。
C-band pulse Doppler weather radar receiver is described in detail in this paper.
提出了一种利用脉冲多普勒技术分析涡流的方法。
A method was proposed to analyse the vortex using pulsed Doppler techniques.
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.
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.
脉冲多普勒（PD）雷达是一种先进的全相参体制的雷达。
PD radar is a kind of advanced pulse radar which using coherent processing.
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.
脉冲多普勒组织成像技术评价左室舒张功能与前负荷的依赖关系？
Is Doppler tissue imaging dependent on preload in evaluating left ventricular diastolic function?
目的：评价X线和二维脉冲多普勒超声对法乐氏五联症的诊断价值。
Objective: To evaluate the diagnostic value of X-ray and two-dimensional pulse Doppler ultrasound for the Fallot's pentalogy.
较详细介绍了一种S波段数字化脉冲多普勒天气雷达接收系统的实现。
Sband digital pulse Doppler weather radar; receiver is described in detail in this paper.
脉冲多普勒(PD)雷达由于其优越的性能在机载雷达中得到广泛应用。
The pulse Doppler (PD) radar is used widely in the airborne radar because of its superior performance.
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.
描述一种被称为SZ相位编码的解距离模糊方法在脉冲多普勒气象雷达中的应用。
A method of phase code named SZ code to mitigate range ambiguity applied on a pulse Doppler weather radar is introduced.
地面雷达中的脉冲多普勒（PD）技术主要用于在强杂波背景下对动目标的检测。
The pulse Doppler(PD)radar technique in ground-based radar is mainly applied to detecting motive targets in strong clutter jamming circumstance.
随机二相码调相PD（脉冲多普勒）引信，是一种较为新颖的噪声调制引信体制。
The random binary phase code phasing PD fuze is a novel modulated system of noise.
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.
目的应用脉冲多普勒组织成像（PW DTI）分析正常右室心肌舒缩运动的特点。
Objective To investigate the characteristics of right ventricular wall motion by the pulsed wave Doppler tissue imaging (PW-DTI).
用彩色能量图显示低速血流，用脉冲多普勒寻找高舒张期低阻力滋养动脉血流频谱。
The blood flow frequency imaging of peritrophoblastic artery flowing was searching by pulse Doppler, it was high extending flow and low resistance.
本文讨论的是脉冲多普勒气象雷达信号处理技术，重点研究了谱矩估计和解模糊算法。
This thesis discusses the signal processing methods of Pulse Doppler (PD) weather radar, mainly studying Spectral Moments (SM) estimators and Range-Velocity (RV) ambiguity resolution methods.
目的：用脉冲多普勒超声心动图评价硝苯地平对冠心病左室收缩功能和舒张功能的影响。
Objective to estimate the effects of Nifedipine on the left ventricular systolic and diastolic function in patients with coronary artery disease by pulsed doppler echocardiography.
除此之外，简单脉冲多普勒体制高度表也很难满足现代复杂电磁环境下抗干扰能力的要求。
Moreover, simple pulse Doppler radar altimeter system can't satisfy the demands for anti-jamming in complex electromagnetic environment.
脉冲多普勒的检测结果显示，21例可见股静脉内的血流停滞，其中15例出现反流现象。
Color Doppler ultrasonography revealed femoral venous stasis in 21 patients, and 15 of them were detected femoral venous blood reflux.
方法利用彩色多普勒血流显像和脉冲多普勒法对30例高血压病人左室舒张功能进行评价。
Method The diastolic function of 30 patients with hypertension were studied with colour flowing imaging and pulsed doppler.
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.
彩色多普勒显示病变区呈蓝红相间的彩色血流信号，脉冲多普勒显示连续带状门脉血流频谱。
Pulsed Doppler spectra showed image of smooth continuous bands in the honeycomb or snaky black areas.
地海面杂波特性对主要采用下视工作方式的机载脉冲多普勒（PD）雷达具有十分重要的影响。
The characteristics of the ground and sea clutter have some important effects on the airborne PD radars with look down mode.
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.
目的应用经胸脉冲多普勒超声心动图(PDE)测定高血压病人的冠脉血流储备功能(CFR)。
Purpose To determine coronary flow reserve (CFR) in patients with essential hypertension by transthoracic pulsed Doppler echocardiography (PDE).
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.
提出一种涡流脉冲多普勒信号的计算机仿真方法，产生了各种给定条件下的仿真涡流多普勒信号。
A computer simulation method for pulsed Doppler signals from vortices was proposed to generate simulated vortex Doppler signals under various given circumstances.
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