激光測速儀 的英文怎麼說
中文拼音 [jīguāngcèsùyí]
激光測速儀
英文
ldv- 激 : Ⅰ動詞1 (水因受到阻礙或震蕩而向上涌) swash; surge; dash 2 (冷水突然刺激身體使得病) fall ill fr...
- 光 : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 儀 : 名詞1 (人的外表) appearance; bearing 2 (禮節; 儀式) ceremony; rite 3 (禮物)present; gift 4 ...
- 激光 : [物理學] laser 激光靶 laser target; 激光報警器 laser avoidance device; 激光玻璃纖維 laser fibre; ...
- 測速 : logging speed
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The ring laser gyro ( rlg ) is a new photoelectric inertia sensor based on the optic interference theory. it uses the difference between the frequency of the two beams of light, which run in the opposite direction in the resonant cavity, to measure the carrier ’ s rotate speed and the orientation in the inertial space
環形激光陀螺儀( ringlasergyro ,簡稱rlg )是以光學干涉原理為基礎發展起來的新型光電慣性敏感儀器,它利用環形諧振腔內順、逆運行的兩束光的諧振頻率差來測量載體對于慣性空間的轉速和方位。We have strong technical force including many experts in the field of electic light source, with advanced equipment and high - quality materials, the company has developed and produced dozens of special electric light source products that have been widely applied in the fields of medical treatment, medicament, chemical engineering, sugar refining, instruments and meters, helth care, hairdressing, photoengraving, laser light, movie, fishing, velocity measurement, etc
採用先進設備、高品質材料,開發和生產數十種特種電光源產品,廣泛用於醫療、醫藥、化工製糖、儀器儀表、衛生保健、美容美發、照相製版、激光、電影、誘魚捕魚、測速等行業。The typical velocity field and the pressure on the step surface of the stepped spillway are measured using the laser doppler anemometer and the piezometer tube respectively
採用多普勒激光測速儀和測壓管分別對階梯溢流壩面典型速度場和階梯表面壓力進行詳細測量。Through experiments analysis, it is found that the integrated lts is the most versatile laser tracker available for dimensioning, tool building, alignment, and reverse engineering applications with the characteristic of high tracking precision and excellent dynamic capability. this paper also provided an effective new method and technique in the application of large workpieces and industry field measurement and orientation by using dual - frequency laser interferometer
實驗結果表西安理工大學碩士學位論文明這套跟蹤測量系統能夠適用於高精度、響應速度快和動態性能要求高的工業現場安裝與測量,具有廣泛的應用前景,同時也為雙頻激光干涉儀在大工件和現場測量、定位的應用提供了一種有效的方法與技術,並為三維空間的跟蹤測量方法的研究奠定基礎。The high - quality experimental teaching with dual - frequency laser interferometer
高測速雙頻激光干涉儀Correcting position errors of nc machine guided by mjs two - frequency laser interferometer
高測速雙頻激光干涉儀及其性能檢測The turbulent flow in open channel is tested with laser - doppler anemometer, in which the longitudinal time average velocity and fluctuating velocity of turbulent flow in open channel under the conditions of the sudden changes of roughnesses at different water depths are measured
摘要通過激光測速儀,對壁面糙率突變時的明渠紊流進行試驗,測量了糙率突變不同水深情況下明渠紊流的縱向時均流速和脈動流速。According to the gravity - elasticity similar law the model scale of bai shan pumped - storage hydroelectric plants is taken as the trashrack bar is made of zinc, the relative errors between its practical density and elastic modulus and its proper values are - 7. 82 % and + 1. 43 %, respectively. by lvs measuring the velocity distribution ahead the trashrack bar and on the basis of the velocity distribution the working conditions of the pumped - stroage hydroelectric plant are controled. the dynamic strain of the trashrack bar induced by flow are measured using strain slips
選擇白山抽水蓄能泵站攔污柵水彈性模型的主要比尺為_ l = 3 、 _ e = 3 、 _ p = 1 ,柵條用鋅板加工而成,模型材料的實際密度和應有密度的相對差為- 7 . 82 ,模型材料的實際彈模和應有彈模的相對差為+ 1 . 43 ,用激光流速儀量測柵前流速分佈,並用流速分佈作為控制工況的依據,用應變儀量測柵條應變。Lda laser doppler anemometer
激光多普勒測速儀Ld ? laser doppler anemometer
激光多普勒測速儀Ld laser doppler anemometer
激光多普勒測速儀Existing calibration methods of laser speedometer are summed up and one new calibration method and instrument with simulant target is put forward in this paper
摘要綜述了激光測速儀的現有校準方法,提出了採用模擬目標進行激光測速儀校準的新方法,並根據該原理研建了校準裝置。Comparison analysis and experiments show that the calibration instrument can meet the need of laser speedometer calibration because of its wide calibration range, high repeatability and universal performance
經各種校準方法的比較分析和校準試驗驗證,說明裝置校準范圍寬、重復性好、通用性好,可以滿足激光測速儀的校準需求。The velocity profiles along the channel section are measured using the laser doppler anemometer. according to the velocity distribution, boundary shear and the coefficient of friction between the flow and rubber panel, is determined
採用多普勒激光測速儀對過流斷面的流速分佈進行了測量,並根據流速分佈推求出壩面上橡膠板所受的水流剪應力,和水流對橡膠板的摩阻系數。This thesis pass through the laser delimitation instrument and the geological radar instrument means, to tunnel initial stages support and secondary structure. at past the research of tunnel lining thickness depend on opening dig figure, don " t consider the effect of tunnel lining inner figure. adopting the integrate method of the laser delimitation instrument and the geological radar could most exact reflect the change rule of tunnel lining thickness, but also could do lots unbroken examination, have very important for summing - up the rule of tunnel lining thickness change, and have very amplitude extend value
本文通過激光限界儀和地質雷達綜合方法,對新建高速公路隧道初期支護和二次襯砌混凝土內輪廓和厚度進行了檢測,對襯砌厚度的分佈規律以往的研究中,多以開挖和襯砌的輪廓變化為依據,並未考慮襯砌內輪廓的影響,而採用激光斷面輪廓限界儀和地質雷達綜合方法能較為準確的反應襯砌厚度的變化規律,並且能夠無破損的做大量的檢測工作,為總結混凝土厚度的規律有很大作用,並有極大的推廣價值。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
激光多普勒測速儀( ldv )是根據激光多普勒效應研製而成的一種精密測速儀器,具有非接觸測量、動態響應快、分析精度高、測量范圍寬、可測多維速度和判別速度方向等優點,被廣泛應用於科研教育領域和工業測量領域。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:使用二維激光多普勒測速儀( ldv )對圓管中水流進行測速時,對于窗口的設置、利用反射鏡前向接收的方法和側向接收方式等問題,本文進行了探討,並總結了測量中的一些實際經驗。The experimental tests are made on the right - angle dissipator with square cross - section, a new internal energy dissipator. in order to obtain its hydraulic characteristic, lda is used to measure the detailed velocity. the pressure along the wall boundary is also measured
2為深入研究直彎式消能工的水力特性,本文進行了方管的直角拐彎的試驗研究,採用二維激光流速儀測得了詳細的流場,並測量了壁面壓力分佈情況。Besides, factors that affect the results of subdivision driving are discussed. furthermore, after analyzing popular methods applied in laser distance measure, waveform analysis is used in the laser scanner. a high - speed a / d card is used to acquire the signal, related software of this part is programmed and the time of waveform analysis is estimated
然後對常用的距離計數法進行了精度分析,確定在三維激光掃描儀中採用波形記錄法實現時間間隔測量,根據三維掃描儀的精度要求採用高速採集卡對激光的主、回波波形進行採集、分析與處理,並編寫了波形採集、分析程序,同時對波形分析處理所需要的時間進行了估算。Experiments have demonstrated that, under the condition of constant temperature ( 20 ), the frequency error of double - frequency laser interferometer with two longitudinal modes could be controlled within 10 " 9 even with conditions such as with cool or hot air blowing, it can still be kept within 10 " 7. self - organised fuzzy control methods can be realised in a single - chip processor which contains fuzzy optimisation and self - organisation functions. the above - mentioned system possesses the following advantages : simple
/ znl (式中c為光速, l為諧振腔長, n為空氣折射率,其值約790mhz ) ,原理上對目前可能要求的測量速度都能滿足;它發出的光為一對互相垂直的線偏振光,與塞曼型雙頻激光干涉儀相比,它不用外加軸向磁場及1 / 4波片,因此結構簡單,造價低廉。分享友人