doppler

美 [ˈdɑplɚ]英 [ˈdɔplə]
  • n.多普勒
  • 网络都卜勒;超声多普勒;多普勒效果器

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doppler

多普勒

多普勒(Doppler)红移,表明这些“星云”在朝远离我们的方向运动。随后人们知道,这些“星云”实际上是类似银河系一样的星系。

都卜勒

都卜勒DOPPLER):利用声光电波因相对运动所引起的振动频率变化,即可测得飞行体的方向和速率。卫星导航法:以八个 …

超声多普勒

2.超声多普勒(Doppler)检查 可检测心脏游膜情况和左室舒张功能。(七)X线CT X线CT与门控技术,超快速成像、放射核素显 …

多普勒效果器

为什么我录音时会有杂音? ... Supertap( 超级回声效果器) Doppler多普勒效果器) UltraPitch( 变调处理器) ...

杜普勒

杜普勒 ( Doppler ) 法系听中子宫动脉的拍动,能够听胎儿的心音。中子宫动脉的拍动系自怀孕 25 日龄左右便可听到,胎儿的 …

彩色多普勒

目的 探讨彩色多普勒 (Doppler)超声对急性下肢深静脉血栓的诊断价值及其对临床疗效的评价。方法 对 18例患者进行彩色Doppl…

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Determines how much doppler effect will be applied to this audio source (if is set to 0, then no effect is applied). 决定了多少多普勒效应将被应用到这个音频信号源(如果设置为0,就是无效果)。
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All this comes out of Doppler shift measurements: the velocities, the radii, the periods and even the masses of these objects. 顿移测量法得到,速度,半径:,周期,以及,这些物体的质量,如果作为观察者。
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The preface of this paper is Doppler Biography, from his life experiences to the background of his creations. 本文的绪论部分主要是多普勒的生平简介,从他的生平经历来获取其创作作品的时代背景。
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Signals with sinusoid modulated phase is the general form of micro-Doppler signals in radar echoes from targets with micro-motions. 正弦调制相位信号是微动目标雷达回波微多普勒信号的一般形式。
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This exploits the Doppler effect familiar when a siren changes pitch as the fire engine on which it is mounted speeds past you. 这种方式利用的是多普勒效应原理——当消防车从你身旁一闪而过时,上面装着的警报器的音高就会发生改变,这点大家很熟悉。
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Experimental results show that this method has advantages in achieving the Doppler shift of the satellite tracking. 实验表明,此方法在实现对卫星多普勒频偏跟踪中具有更大的优越性。
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In frequency modulation continuous wave (FMCW) radar, the target information is usually extracted by Range-Doppler processing. 调频连续波(FMCW)雷达往往通过对回波信号的距离-多普勒处理来提取目标信息。
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The name "Dopplr" comes from Christian Doppler, a 19th Century scientist who came up with what's now known as the Doppler effect. “Dopplr”的名称来自于19世纪科学家克里斯蒂安·多普勒,他提出了著名的“多普勒效应”。
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Doppler diversity considers Doppler spread as a way of diversity, and improves the system performance by enhancing the signal energy. 多普勒分集将多普勒扩展作为一种分集方式,通过增强信号能量来改善系统性能。
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Tissue Doppler has been used for clinical applications since 1989. 组织多普勒已用于临床应用自1989年以来。
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The analysis and simulation shows that this radar system has higher range resolution and insensitivity to Doppler shift, etc. 分析与仿真结果表明,这种雷达系统具有距离分辨率高、对多普勒频移不敏感等特点。
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Conclusion Color Doppler flow imaging examination is an effective preoperative diagnosis of ovarian cancer, one of the methods. 结论彩色多普勒血流图检查是一种有效的术前诊断卵巢癌的方法之一。
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Besides, there was a obvious relationship between the items of flow field uniformity and the routine ones of Doppler echocardiography. 流场均匀性指标与常规多普勒超声指标间有明显相关性。
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Afterwards a CT scan, colour doppler flow ultrasonography and a biopsy led to leiomyosarcoma of the lung being diagnosed. 此后CT扫描,彩色多普勒超声检查和活检导致平滑肌肉瘤肺被诊断。
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The results show the modified algorithm is much better than the classical range| Doppler algorithm at the case of large squint angle. 结果表明,在大斜视角情况下,改进算法的性能远大于传统的距离-普勒成像算法。
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The Doppler effect arises as the material swirls around the disk at thousands of kilometers per second. 在漩涡中围绕着黑洞以每秒数千公里的速度旋转的物质,其多普勒效应更为明显。
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Our objective was to use Doppler ultrasonography as a noninvasive procedure to provide renal hemodynamic information. 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。
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Result: The color Doppler signals and flow width were all increased in normal lower limb arteries after the contrast agent was admitted. 结果:注射造影剂后下肢动脉彩色血流信号迅速增多、血流束增宽。
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Tissue Doppler also showed longer systolic and diastolic intraventricular delays in the heart failure patients. 组织多普勒在心衰病人中也显示较长的收缩期及舒张期心室内延迟。
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At least one receiving transducer is positioned to receive scattered energy to generate a range gated Doppler signal. 至少一个接收传感器定位成接收所散射的能量从而生成范围选通多普勒信号。
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She may listen for your baby's heartbeat with a handheld ultrasound device called a Doppler, although it's still very early. 尽管时间有点早,她可能也会用一种称为多普勒的手持型超声波设备来探听婴儿的心跳。
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Even though I was warned it may be too early to hear anything, I was disappointed when the Doppler came up silent. 即便我补告知现在听到什么还为时尚早,当多普勒没有声音显示时我还是很失望。
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This is a new attempt to use laser Doppler velocimetry measurement technology in measuring the length of continuous tubes. 这是将激光多普勒测速技术应用于下井油管长度测量的一种新的尝试。
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Color ultrasonic Doppler, CT and selective angiography are very important for the early diagnosis of the disease. 彩色超声、CT、选择性血管造影对该病早期诊断具有重要意义。
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Objective It is of good guidance that color doppler echocardiography diagnoses coronary artery fistula right ventricle. 目的彩色多普勒超声心动图诊断右冠状动脉右室瘘时,对临床手术具有指导价值。
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Compared to the position offset, influence of the length of sample volume on the Doppler bandwidth is minor. 与位置偏移所受到的影响相比,样本区域长度变化对横向流速的估测影响较小。
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Besides, the micro-Doppler signature of precession can be applied to the discrimination of the warhead and decoy. 同时,进动的微多普勒特征可用于识别真假目标。
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The invention discloses a Doppler frequency searching method in a GNSS receiver and a correlator thereof. 本发明揭示了一种在GNSS接收器中搜寻多普勒频率的方法及相应的相关器。
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Finally, the color harmonic Doppler method is brought up to enhance the effect of the Average Filtering method. 论文还采用彩色谐波多普勒的方法对均值滤波法进行了改进。
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Conclusion Color Doppler can effectively help for the diagnosis of the ruptured aneurysm of aortic sinus, and for surgery type choice. 结论彩色多普勒能准确地诊断主动脉窦瘤破裂并对手术方案的选择起到重要作用。