virtual instrument 中文意思是什麼
virtual instrument
解釋
虛擬儀器- virtual : adj. 1. 實際上的，實質上的，事實上的。2. 【物理學】虛像的。3. 【物理學】有效的；【計算機】（網上）虛擬的。4. 〈古語〉具有可產生某種效果之內在力的。
- instrument : n 1 儀表，儀器 〈cf tool implement〉。2 樂器 （＝musical instrument）。3 【法律】證件，證券，文件...
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It can be apply widely to the research of plant physiology, bionomy, agriculture, forestry and molecule biology etc. the system makes use of principal and subordinate mode virtual instrument theory
可以滿足大學本科和研究生有關實驗課教學及研究要求，可以廣泛應用於植物生理學、生態學、農學、林學和分子生物學等學科的研究中。 -
Virtual instrument technology based efficiency test system of hydraulic pump
基於虛擬儀器技術的液壓泵效率試驗系統 -
With a mixed digital and analog design example, comparing with the traditional virtual instrument, it indicated that the function of modem virtual emulative instrument is stronger, the usage is close to the practice more, which represents the development direction of virtual instrument
通過與實際儀器的比較，以及具體數模混合電路的模擬分析，說明了現代虛擬模擬儀器比傳統虛擬儀器功能上更強大，使用上更貼近實際，是今後虛擬儀器的發展方向。 -
Finally, the emulator software based on virtual instrument is introduced, and it is used in the system test of epu
最後，介紹了基於虛擬儀器的模擬軟體在發動機參數採集器系統測試中的應用。 -
Design and achievement of multichannel frequency meter based on virtual instrument
多通道虛擬頻率測量儀的設計與實現 -
Design of hud test system with interchangeable virtual instrument
一種可互換虛擬儀器的平顯測試系統設計 -
The measurement system of projectiles initial velocity based on virtual instrument technology
基於虛擬儀器技術的彈丸初速測量系統 -
The third, after theoretically analyzing, the following practicable methods are put forward : 1 ) automatically pick - up the synchronous information by analyzing the spectrum of intercepted video - leaking information ; 2 ) realizing the phase lock and the electronic image stabilization by integral - projection and differential - positioning ; 3 ) improving the effect of accumulation mean filter and the pectination filter by using electronic image stabilization ; 4 ) automatically adjusting image acquisition parameters by detecting the image entropy, therefore the quality acquired image is improved ; 5 ) to realize the quantitative test of a leaking extent, a standard test picture was designed. finally, a proto type for leaking information processing based on our techniques mentioned above and the virtual instrument principle was designed and tested
在理論分析的基礎上，提出了以下的實用技術： 1 ）用譜分析方法從截獲的信息中自動提取同步信息； 2 ）用積分投影、微分定位的方法進行相位檢測，實現可靠的鎖相和電子穩像； 3 ）將電子穩像技術用於重加濾波和梳狀濾波的濾波方法，改進了濾波效果； 4 ）通過檢測圖像信息熵實現圖像採集參數的自動調整，改進了圖像採集的質量； 5 ）設計了用於儀器定標的標準測試圖，可以對泄漏信息進行定量檢測。 -
It was pointed out clearly that the developing direction of measurement and test instruments was " virtual " and " control " in the summary of proseminar on " fifteen " priority supported domain in mechanism subject, which was held by national nature science fund committee in guangzhou city in december, 1999. therefore, the new generation of virtual instrument ( vi ) system based on intelligent virtual control ( ivc ) was put forward under the background
1999年12月，國家自然科學基金委在廣州召開的機械學科「十五」優先資助領域研討會會議紀要中明確指出： 「測試測量儀器的發展方向是『虛擬化』 、 『控制項化』 」 ，本文所研究的新一代智能控制項化虛擬儀器系統正是在這一背景下提出的。 -
The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro
激光陀螺的核心部件為he - ne環形激光器，而掌握光與介質的相互作用理論是研究激光器的關鍵，採用拉姆半經典理論為主，在密度矩陣理論的基礎上，推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程，運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組，在此基礎上，運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ，對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究，並且運用全量子理論，對激光工作原理進行分析，得出二能級系統單模輻射場的光子數密度分佈，得出激光場的光子統計分佈，模擬激光場的動態建立過程。 -
Inspection on roundness instrument based on virtual instrument
基於虛擬儀器的圓度儀的研究 -
The major researches in this thesis include : applying the digital signal processing technology and theory of signal detection & estimation to estimate carrier frequency of the sensing signal that reflects the measurand ; implementing the algorithm in labview, a virtual instrument development platform
本文的主要研究內容是：運用數字信號處理技術和信號檢測、估計的基本原理從無源、無線saw諧振器型傳感器的傳感輸出信號中提取出反映被測量的信號主頻，並在虛擬儀器軟體開發平臺labview上實現了測量演算法。 -
The inner turnplate ' s critical rotation speed is come out by means of transmission matrix calculation, which giving a theory foundation to the crusher ' s improvement. aiming at the problem that appears, the improvement measure has been put forward ; ( 5 ) on the basis of actual situation, a portable crusher observation and diagnosis system has been developmented based on virtual instrument
計算結果與現場實際相吻合，為該破碎機的改進提供了理論依據，並針對雙轉盤沖擊破碎機樣機試驗中出現的問題，提出了具體的改進措施； （ 5 ）基於雙轉盤沖擊破碎機的實際應用情況，開發了基於虛擬儀器技術的便攜式破碎機監測和診斷系統。 -
Development of virtual instrument based on usb
通訊的彈性領口性能測試系統的研製 -
In general, a precise resistor is in series with one of the resistors in wheatstone bridge to compensate the zero offset, and the other one is in parallel with another arm of the wheatstone bridge to compensate thermal zero drift. based on this principle, in this paper, a compensation method based on virtual instrument technology has been put forward. actuated by current source, a good calculation method of compensation resistors and their position in the bridge is deduced
本文基於串並聯電阻補償法的原理，提出了一種基於虛擬儀器的誤差補償方案，推導了在恆流源供電下可以精確的計算出補償電阻大小和補償位置的演算法，並且在虛擬儀器軟體平臺labview上完成了數據採集、處理、顯示等軟體的設計，經過實驗的驗證，對傳感器的零點溫度漂移補償取得較好的效果，而對靈敏度溫度漂移的工藝補償亦有一定的效果。 -
On exploring better exploitation of virtual instrument in ate automatic test equipment
最優估計理論在虛擬儀器中的應用 -
Intelligent testing system of ballistic parameter based on virtual instrument
基於虛擬儀器的智能彈道參數測試系統 -
An atlcd board measurement system based on virtual instrument technology
基於虛擬儀器技術的固定電話用戶板測試系統 -
The design of cannon - shot muzzle velocity instrument based on labview and virtual instrument techonlogy
一種基於虛擬儀器技術的彈丸初速度測試儀的設計 -
This paper first begin with the connotation of virtual instrument technology, study and discuss the criterion and the working theory of usb deeply. on the principle of usb1. 1criterion, using usb interface chip usbn9604 and low consumption mirochip c8051f231, we designed the available interface of usb bus and its controlling software, turn the communicating function based usb bus between computer and testing device. second based on the developed interface of usb bus, using microchip pic16c62 and a mount of relays, we designed the multiswitching scanner and its controlling software to complete the funtion of accesses swithing in testing system. third calling the api function inside the windows using vb programming language, communicat with the impelling program of selected hid, achieve the function of testing instrument with usb interface, complete the development of upside software faced testing. at last, based on the deep studying of pcb testing method, used the developed multiswithing scanner and software faced testing, combinated with necessary testing instrument, we constructed the pcb testing system and analized the testing result simply
論文首先從虛擬儀器的技術內涵出發，深入研究和討論了通用串列總線usb規范及工作原理，並依據usb1 . 1規范，採用usb介面晶元usbn9604和低功耗微處理器c8051f231設計開發了通用的usb總線介面及其控制固件，實現了通用計算機與測試設備之間基於usb總線的通信功能；其次，在所開發的usb總線介面的基礎上，使用微處理器pic16c62和多路繼電器開關，設計開發出實現測試系統中測試通道切換功能的多路通道掃描器及其控制固件；再次，採用vb語言編程，調用windows內部api函數，與選定hid類驅動程序進行通信，實現usb總線介面測試儀器功能，完成面向測試的上層軟體開發；最後，在深入研究印刷電路板測試方法的基礎上，利用已開發的多路通道掃描器和面向測試軟體，結合必要測試儀器組建印刷電路板測試系統，並對測試結果進行了簡要的誤差分析。
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