量測變換器 的英文怎麼說
中文拼音 [liángcèbiànhuànqì]
量測變換器
英文
measurement transducer- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 換 : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 量測 : measuration量測精度 accuracy in measurement
-
Optical 3 - d profilometry has been widely used for 3 - d sensing, machine vision, intelligent robots control, industry monitoring, biomedicine, dressmaking, etc. several 3 - d object profilometry methods, including moire technique ( mt ), phase - measuring profilometry ( pmp ), fourier transformation profilometry ( ftp ), modulation measurement profilometry ( mmp ) have been exhaustively studied
光學三維傳感已廣泛應用於機器視覺,實物仿形,工業檢測,生物醫學等方面,在三維面形測量中,對莫爾輪廓術,位相測量輪廓術,付里葉變換輪廓術,調制度測量輪廓術這些方法已經進行了大量深入的研究。And the interfaces have analog input, analog output and digital input / output. we have used differently cards, such as pc - 6330d a / d card, pcl - 728 d / a card based isa bus, ipc - 5375 i / o card and so on. in addition, we select micro - stir switches and pressure sensors as sensor elements to inspect the system and choose relays and induction valves to control the bicycle pump and the motor
總線採用isa內部總線;介面主要有模擬量輸入介面、模擬量輸出介面、開關量輸入輸出介面等,課題分別選用pc - 6330d型a d板卡、基於isa總線的型號為pcl - 728的d a板卡、型號為ipc - 5375的i o板卡;另外,課題選用了微動式行程開關、壓力變送器作為傳感元件檢測系統,選用繼電器、電磁控制換向閥實現對氣缸、電機的控制;採用vc + + 6 . 0編制控制軟體,實現了纖維鋪放技術的計算機控制。Abstract : in fourier transform profilometry, because of the nonlinear relationship between the irradiant incident upon a ccd dete ctor andthe voltage it outputs, it will cause phase evaluation errors. here, we ex plain the errorsource by theoretical deducing, then make a simulation. at last, a method to decrease thiserror is put forward
文摘:在傅里葉變換輪廓術中,由於ccd探測器光電響應的非線性,將在測量中引入高次項,從而對相位的求解造成較大誤差,通過理論的推導定性地解釋了誤差的來由,並用計算機進行了模擬計算,最後提出了減小誤差的方法。Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100
論文在全面闡述了光學三維輪廓位相測量術的發展、應用現狀、研究熱點及未來發展趨勢的基礎上,簡要介紹了傅立葉變換和相移位相輪廓測量術的基本原理,對兩種測量方法存在的問題及誤差進行詳細分析和比較;針對位相解包裹錯誤點的傳播問題,作者通過改變解包裹路徑來提高位相解包裹的正確性;分析討論從解包裹位相( x , y )到再現物體的高度h ( x , y )物理量之間的關系,研究相應的演算法,利用matlab平臺,對實際採集的條紋圖像進行處理和輪廓重構,其中改進及創新工作主要表現在以下兩個方面: ( a )針對干涉型結構光場干涉條紋出現的漂移抖動對相移的影響,提出了一種用條紋穩定器穩定干涉條紋,用精密移動平臺使物體和ccd攝像頭同步移動實現等效相移的方法,建立了相應的測量系統,系統的條紋穩定可以達到。Specification and methods of measurement on set top convertor used in catv systems
有線電視系統接收機變換器.入網技術條件和測量方法Finally, the prototype of closed - loop control system of mc has been designed. a seris of experiments have been made, and the results show that the closed - loop control of mc presented here is correct. also, the mc closed - loop systems based on the method can be applied to the variable frequency power supplies
最後,製作了輸出電壓有效值控制矩陣變換器閉環系統的原理樣機,進行了一系列實驗測試,結果表明採用雙空間矢量策略矩陣變換器實現輸出電壓有效值閉環控制是正確有效的,輸出電壓有效值控制矩陣變換器閉環系統作為變頻電源設計也是切實可行的。The tested signals is entered into the digital oscillograph and output the analog signals. in the base of known patameter of time domain, the signals is transform by fft
將測試信號首先經過數字示波器重現模擬信號,在已知時域參數的基礎上,對信號進行fft變換,最後實現對信號的頻域測量。It is based on the principle : under a number of angles, the x - ray attenuation in a cross section of a human body is measured by detector resulting in a set of profiles. this set of profiles is called the radon transform of the object in mathematics. the problem now is to reconstruct a two - dimensional image via inverting its radon transform
它所基於的成像原理是:人體的某個剖面在若干個角度上被x射線束照射,照射后x射線的衰減量被檢測器記錄下來,形成投影集合,數學上將這個投影集合描述為該剖面的radon變換,通過反演radon變換就能夠重建剖面的二維圖像。A device for converting energy form one form to another. in relation to computers, the term is applied to a read / write head, to detector of sector marks in a magnetic disc system, and to electronic / sonic pulse converters of delay line memory
把能量從一種形式轉換成另一種形式的裝置。在與計算機有關時,這個術語用在磁盤系統中的讀寫磁頭、扇面標記的檢測上,以及用在延遲線存儲器的電子或聲波脈沖變換器上。Calibration specification for magnetical coupling measuring
磁耦合直流電流測量變換器校準規范Measuring transducer with electrical output
電量輸出測量變換器Electrical measuring tranducers for converting a. c. electrical quantities to analogue or digital signals
交流電量轉換成模擬信號或數字信號用電氣測量變換器Electrical measuring transducers for converting a. c. electrical quantities to analogue or digital signals
交流電量轉換成模擬信號或數字信號用的電氣測量變換器Electrical measuring transducers for converting a. c. electrical quantities to analogue or digital signals ; amendment 1
交流電量轉換成模擬信號或數字信號用的電氣測量變換器.修改件1Electrical measuring transducers for converting a. c. electrical quantities to analogue or digital signals ; amendment 2
交流電量轉換成模擬信號或數字信號用的電氣測量變換器.修改件2Based on the difference of measuring errors between spectrum and a single pulse, the article introduces a procedure which can improve the specification of non - linearity of commercial adc for spectrum measurement without channel - width - everaging circuit
摘要根據放射性能譜測量的誤差並不等於對單個脈沖測量的誤差的特點,提出一種先測出模數變換器的道寬,然後利用軟體方法進行道寬均勻的技術。Introduction and analysis of methods of measuring the group delay of frequency - translating devices
頻率變換器件群時延測量方法的探討與分析Measurements of ultrasonic magnetostrictive transducers
超聲波磁致伸縮變換器的測量Used together with a dkd calibrated pressure transducer with display, such systems are ideal for the on - site monitoring of pressure sensors and transducers for measuring and test equipment according to din iso 9000
與dkd顯示刻度壓力變換器一起組成系統使用,是理想的現場監控測量和校驗設備的壓力傳感器變換器的系統,符合din iso 9000 。In order to decrease the harmonics in mc ' s input and output current, the svm method and sinusoidal hysteretic band method are introduced into the mc hysteretic control respectively. secondly, based on the predictive current control fundamental principle, the particular 27 vectors predictive current control strategy and current trend predictive control strategy are proposed. the simulation indicates that all of the current methods can improve the mc ' s output current quality and speed its dynastic response
提出了矩陣變換器的滯環電流控制策略,並針對滯環控制時輸入電流和輸出電流的諧波,分別提出了輸入電流空間矢量合成滯環控制方法和正弦環寬滯環控制方法;引入了矩陣變換器的預測電流控制新思路,在此基礎上,提出了矩陣變換器獨特的27矢量預測電流控制方法和趨勢型預測電流控制方法,模擬結果表明,各種電流控制方法提高了變換器的輸出電流品質,加快了變換器的動態響應性能。分享友人