Chinese translation for "ldv"
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- 激光测速仪
激光多普勒测速仪
乳酸脱氢酶簿
Related Translations:
- Example Sentences:
| 1. | Ldv laser doppler velocimetry
激光多普勒测速法 | | 2. | Ldv laser doppler velocimeter
激光多普勒测计 | | 3. | The self - mixing effect is applied to laser - doppler velocimetry ( ldv ) for improving the traditional ldv which has the more complex system
摘要利用激光自混合技术结合多普勒测速方法，来改进传统多普勒光路的光路复杂等缺陷。 | | 4. | The velocity , turbulent intensity , and reynolds stress of the liquid was measured with ldv , while the hold up , velocity of gas were measured with piv
用ldv测量液相时均速度、湍动速度和雷诺应力，用piv测量含气率和气泡运动速度。 | | 5. | ( 2 ) base on the analysis of the atomizing principles of spray nozzle , mathematical model of combined spin - flow pressure spray drying was set up and the essential parameters such as spraying pressure , liquid quantity , temperature , spraying angle , inject distance , particle diameter and distribution , hollow diameter for several materials in normal conditions by experiment and ldv
( 2 )对旋流式组合压力喷嘴喷射雾化机理加以分析，建立了旋流式喷嘴雾化的数学模型，采用冷态试验法并借助激光雾滴测试等实验装置对喷嘴的雾化参数(如雾化压力、喷液量、料液温度、雾化角、雾距、雾滴直径和分布以及喷嘴的空芯半径等)进行测量和计算。 | | 6. | Laser doppler velocimeter ( ldv ) is a precise instrument based on the theory of laser doppler effect with no - touch measurement capability , quick responsibility , high precision , wide measurement range , multiple dimension measurement and direction judgement ability . ldv is applied extensively in the field of science research & education and industrial measurement . in this thesis , we researched on the high - precise signal processing in ldv
激光多普勒测速仪( ldv )是根据激光多普勒效应研制而成的一种精密测速仪器,具有非接触测量、动态响应快、分析精度高、测量范围宽、可测多维速度和判别速度方向等优点,被广泛应用于科研教育领域和工业测量领域。 | | 7. | Abstract : in this paper , the problems of the window set - up , the forward receiving method by mirror and the way of side direction receiving , when ldv is used to measure the velocity of water flow inside a circular tube , are discussed and some practical experience in the measurement is summarized
文摘:使用二维激光多普勒测速仪( ldv )对圆管中水流进行测速时，对于窗口的设置、利用反射镜前向接收的方法和侧向接收方式等问题,本文进行了探讨，并总结了测量中的一些实际经验。 | | 8. | Due to existing signal processing technology ’ s shortage such aslow measurement , narrow measurement range precision and other poor performance , we introduced a high - precise signal processing technology : firstly , to get power spectrum with hanning windowed welch modified periodogram , search its peak value frequency ; secondly , to apply zooming analysis via goertzel algorithm ; at last , to get a highly precise doppler frequency with energy centrobaric rectifying algorithm 。 the simulating result indicated that this technology introduced could get accurate doppler frequency 。 depending on above discussed technology , we designed a signal processing scheme , and developed a signal processing system . the running result showed high performance , verified the feasibility and reliability of the highly precise signal processing technology introduced . in a word , the technology improved ldv ’ s performance such as measurement precision , measurement range , dynamic response time 。 and it will have a wide application foreground
针对存在的缺点,本文提出了一种应用于激光多普勒测速的高精度信号处理技术,即首先利用加hanning窗的welch修正周期图算法得到信号功率谱,搜索其谱峰值频率,接着利用goertzel频谱细化算法对搜索的谱峰进行细化分析,再引入能量重心频谱校正算法对细化后的谱峰进行校正分析,从而将离散频谱分析算法、频谱细化算法和频谱校正算法三者有机结合起来,充分发挥各自的优点:通过加hanning窗的welch修正周期图算法快速得到功率谱及峰值频率,通过goertzel算法获得分析频带的高分辨率频谱,然后通过能量重心校正算法对细化后的频谱进行高精度校正,这样不仅保证了算法的高效性,而且大大提高了分析的精度。 |
- Similar Words：
- "ldtv japan satellite broadcasting inc" Chinese translation, "ldtv limited definition television" Chinese translation, "ldtv low definition television" Chinese translation, "ldu logical data unit" Chinese translation, "ldu quito" Chinese translation, "ldv = laser doppler velocimetry" Chinese translation, "ldv laser doppler velocimeter" Chinese translation, "ldvt" Chinese translation, "ldws" Chinese translation, "ldx" Chinese translation
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