儀器函數 的英文怎麼說
中文拼音 [yíqìhánshǔ]
儀器函數
英文
apparatus function- 儀 : 名詞1 (人的外表) appearance; bearing 2 (禮節; 儀式) ceremony; rite 3 (禮物)present; gift 4 ...
- 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
- 函 : 名詞1. [書面語] (匣; 封套) case; envelope 2. (信件) letter 3. (姓氏) a surname
- 數 : 數副詞(屢次) frequently; repeatedly
- 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
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Following notebook computer being used broadly in field detectiong, peripheral which have usb interface are prepotent more and more. the ultrasonc flaw detector we ' re designing will be connect with notebook computer in field detection, so we elect usb interface to accomplish transmission between detector and pc. the article not only introduces basic knowledge about usb briefly and gives detailed develop process of usb peripheral and flow diagrams of usb controller, but also operating against our device ' s functions, gives develop process of device driver and important api function being used. in addition, an exclusive interface being used to control and display is designed
我們所設計的探傷儀外置盒在現場作業時是與筆記本電腦相連接的,因此選用usb介面來實現數據在探傷儀外置盒與pc機間的傳輸。這里簡單的介紹了有關usb介面的基礎知識,給出了探傷儀usb介面的詳細開發過程及usb控制器的程序流程圖,並且針對于本儀器要實現的功能,給出了pc機端的設備驅動程序開發過程及關鍵的api函數調用程序。此外這里還設計了一個專用的控制及顯示界面。This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。The general signal source, represented by function generator, is wildly used in the modern testing field
函數發生器作為一種常用的信號源,是現代測試領域內應用最為廣泛的通用儀器之一。Focus on the method of driver usb device in labview develop environment, three ways ( i / o, cin, clf ) were discussed, and the way of using visa ( visual instrument software architecture ) to communicate with usb device was used that can easily develop instruments driver and application software and improve the applicability of instruments on various operating systems
並重點分析了常用的labview開發環境下驅動自製數據採集卡的三種方式:直接訪問寄存器方式;調用c語言源代碼方式;調用動態連接庫函數的方式。提出了利用visa ( visualinstrumentsoftwarearchitecture )來直接驅動usbraw設備,簡化驅動程序和虛擬儀器軟體的開發難度,提高儀器在多種操作平臺上的通用性。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。Series of general - purpse instruments : including series of 2800 and 2500 electronics compoment parameters testing meter and related products ; series of 1630 function signal generator ; 1250 ultralow frequency spectrum analyzer and signal generator
通用類儀器系列:包括2800系列、 2500系列元件參數測量儀及其配套產品; 1630系列函數信號發生器; 1250超低頻系列頻譜分析儀及信號源。It is demonstrated that the vertical response function of nuclear logs is inconsistent with the inherent vertical response function of the instrument
結果證實核測井曲線的縱向響應函數與儀器的固有縱向響應函數不一致。The response function of nuclear logs not only relates with the tool ' s structures, but also includes some parameters relevant to measuring formations
核測井儀器的縱向響應函數不僅與儀器的結構有關,而且還含有與探測介質有關的參數。The integrated response function of nuclear logs depends not only on the response function of the instrument, but also on the logging velocity, sampling rate and recording instruments
核測井曲線的綜合響應函數不僅取決于儀器的響應函數,而且受測量速度、采樣率,地面儀器記錄方式等因素的影響。It is shown that the ability of wavefront reconstruction of lsi is better than hws, for the indirect sampling information of wavefront with lsi is more than hws
結果表明,在相同輸入波前、相同探測面元、相同擬合函數及階數的情況下,橫向剪切干涉儀的波前復原能力比哈特曼波前傳感器強。Thirdly, the conclusions of the two aspect applications are given as follows : the exploration of the application of the evaporation duct prediction to the flux relationship research and evaporation duct predicting shows that based on this predicting method and with microwave refractometer, as sensor, ( 1 ) the dimensionless gradient function of temperature, humidity and refractivity in the flux relationships can be determined with higher precision, ( 2 ) the limitations of conventional observations on the predicting accuracy for evaporation duct can be avoided and the precise prediction for evaporation duct can be obtained with the accurate measurement of refractivity profile within a few meters. the radar performance under given evaporation
三、對兩個應用問題的討論表明:基於本文發展的蒸發波導預測理論,使用微波折射率儀為傳感器: ( 1 )開展通量關系研究時,可以用於邊界層溫度、濕度和折射率無量綱梯度函數的精確測定和得到蒸發波導環境預測所需的偽折射率參數化函數關系; ( 2 )預測蒸蒸發波導環境特性和傳播特性及其應用研究發波導環境時可以避免使用傳統氣海界面要素測量中存在的局限,並用折射率音d面不太高的精確測量結果精確預測蒸發波導環境。Impusle winding tester 、 programmer electrical safety compliance tester series 、 function / arbitrary waveform generator 、 rf scalar network analyzer
匝間絕緣耐壓測試儀系列、安規測試儀系列、數字合成函數/任意波信號發生器系列、網路分析儀The frequency characteristic test instrument based on the technologies of vi can print the plots of frequency characteristic of the measurand, also can give the approximate transfer function of the measurand
基於虛擬儀器的頻率特性測試儀,具有列印頻率特性曲線和擬合被測對象傳遞函數等傳統頻率特性測試儀不具有的強大功能。Design and realization of user - defined functions in ivi instrument - driver based on labwindows cvi
儀器驅動器中自定義函數的設計與實現Otf optics and optical instruments - accuracy of optical transfer function measurement iso 11421 : 1997
光學和光學儀器.光學傳遞函數The principles and arithmetic for designing and realizing the virtual digital stored oscilloscope, virtual frequency analyzer and virtual function generator, which are based on labview, are discussed in detail. the performance of the virtual instruments is tested, and the specification is given
詳細的分析了基於labview的虛擬數字存儲示波器、虛擬頻譜分析儀和虛擬函數發生器的設計和實現的原理及演算法,並且對于各虛擬儀器進行了性能測試,給出了性能指標。The software system investigated in this thesis is used to control the trace heavy metal determination instrument to run the test and analyze data, the software system consists of several modules including data communication data preprocess pre - treatment respecting to real - time performance data storage, etc. the communication between the instrument and the server is based on serial port rs - 232 or ethernet port and the communication among the modules in the software system is based on the message mechanism in windows
並通過儀器對pb和cu混合溶液檢測的實驗,驗證了聯用多種演算法可以自動對數據進行有效的處理。在對管理控制部分的論述中,文章研究分析了目前集群系統廣泛採用的消息傳遞機制,並論述軟體系統如何使用消息機制協調軟體各個功能模塊的運作。在系統與主機的通訊模塊的設計中,文章論述了如何使用windowsapi函數實現系統的串列通訊介面和ethernet介面。Labview 、 visa ( virtual instrument software architecture ) and rtsitechnique are used to integrated the plc control subsystem 、 servo controlsubsystem and machine vision detecting subsystem ; design the main controlprogram and user interface of the integrated control system ; conclude amultitasking attemper strategy of this integrated control system. in order torealize the automation machining function of the notched impact specimen, debug this integrated control system in the production line. the function result of
利用虛擬儀器的軟體開發環境labview 、 visa ( virtualinstrumentsoftwarearchitecture )函數庫以及rtsi技術把plc控制子系統、伺服控制子系統、視覺檢測系統有機地集成為一體,並設計集成控制系統總程序以及人機交互界面,總結出一套適用於本系統的軟體多任務調度策略。Labview application environment is adopted for implementation of local instrument control. programmable instruments such as function generator, multi - meters, and oscilloscopes have been linked to the computer through general purpose interface bus ( gpib )
採用labview應用程序開發環境對本地儀器進行控制,並通過gpib介面將可程式控制儀器,例如:函數信號發生器、數字萬用表和示波器等設備連接到計算機上。When the water mass fraction is set at 65 %, the ec detector indicates a power function relation between the detector output and the substrate ec, and the correlation factor of the proposed model reaches 0. 970
控制基質質量含水率在65 %左右時,儀器輸出與基質溶液電導率呈冪函數關系,所建立的模型的決定系數達到0 . 970 。分享友人