methods: various parameters of the pv flow and mitral flow spectrum in 132 cases of lv dysfunction and 90 healthy cases were determined by pulse doppler echocardiography.

1、

pulse doppler ( pd) processing method, which is widely applied in airborne radar systems, is mainly used in radar systems that detect moving targets under strong clutter background.

脉冲多普勒（PD）处理方法主要应用于那些需要在强杂波背景下检测运动目标的雷达系统，在机载雷达系统中广泛应用。

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2、

objective to evaluate nut-cracker syndrome ( ncs) with two-dimensional ultrasound ( 2d), color doppler flow imaging ( cdfi) and pulse doppler ( pd).

目的探讨二维超声（2D）、彩色多普勒血流显像（CDFI）和脉冲多普勒（PD）诊断左肾静脉受压综合症（Nut-CrackerSyn-drome，简称NCS）的价值。

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3、

the glc-12 type x-band fully coherent pulsed doppler weather radar technology with dual-linear polarization capability

GLC-12型X波段全相参双线偏振脉冲多普勒天气雷达技术

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4、

pulse signals in advanced pulse doppler ( pd) radar have features of coherence and correlation, thus can greatly improve the anti interference ability of the radar.

先进的脉冲多普勒（PD）雷达采用的信号脉冲具有相参性，又能进行相关处理，极大地提高了其抗干扰性能。

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5、

modulation of pulse doppler frequency based on software drfm

基于软件DRFM的脉冲多普勒调制

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6、

conclusion: doppler and ivc contrast ultrasonography were helpful for the diagnosis of ivc syndrome.

结论：脉冲多普勒及IVC声学造影可进一步帮助明确诊断。

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7、

the spectrum characteristics of synchronous jamming on range and velocity are analyzed. a method for a pd radar to counter the jamming is also discussed.

分析了存在距离-速度同步拖引干扰时的信号频谱特征，研究了一种脉冲多普勒（PD）雷达抗距离-速度同步拖引干扰的方法。

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8、

the pulse doppler ( pd) radar technique in ground-based radar is mainly applied to detecting motive targets in strong clutter jamming circumstance.

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。

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9、

the characteristics of the ground and sea clutter have some important effects on the airborne pd radars with look down mode.

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。

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10、

experimental research of dbs imaging based on airborne pulse doppler radar

机载脉冲多普勒雷达DBS成像实验研究

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11、

design of image simulation of airborne pd radar based on vega

基于Vega的机载脉冲多普勒雷达图像仿真设计

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12、

mitral inflow velocity e, a and e/ a ratio were detected.

在二尖瓣口用血流脉冲多普勒法（PWD）测舒张期血流E峰、A峰、E/A比值。

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13、

the pulse doppler ( pd) radar is used widely in the airborne radar because of its superior performance.

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。

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14、

the random binary phase code phasing pd fuze is a novel modulated system of noise.

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。

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15、

the property of airborne pulsed doppler radar and the methods of counter countermeasures

机载脉冲多普勒（PD）雷达的工作特点及抗干扰措施

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16、

a c-band pulse doppler weather radar receiver is described in detail in this paper.

介绍了一种C波段脉冲多普勒天气雷达接收机。

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17、

instead, turn to your kitchen cupboard for beauty concoctions.

反而应该从你家厨房的橱柜里找美容用品。

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18、

at present, the advanced kitchen cupboard market of beijing is still at elementary developing stage, very large development space exists.

目前，高端厨柜市场仍处在初级发展阶段，存在很大的发展空间。

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19、

for instance, dr. szymanski told me, he likes all the glasses in his kitchen cupboard lined up a certain way.

比如，Szymanski先生告诉我，他喜欢将厨房的所有玻璃杯以特定的方式摆在橱柜里。

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20、

he forcefully took the teapot out of her arms and put it on top of a kitchen cupboard, where she couldn't reach.

他强行把那个茶壶从她怀里抢出来，放到了橱柜的上面，她够不到的地方。

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