測微器行差 的英文怎麼說

中文拼音 [wéihángchā]
測微器行差 英文
micrometer run
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • : 行Ⅰ名詞1 (行列) line; row 2 (排行) seniority among brothers and sisters:你行幾? 我行三。where...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  1. The main computer is programmed under windows, while the assistant computer is programmed under dos. the last, based on the idea of module - structure, the software of the testing system are designed, thus this software system is compatible and transplantable to design again. the experiment of measuring principle is taken : take the xy flat of lathe as the parallel - pole device and adjust the angle of sensor, the rotating - probe can test the felloe mould in scanning way

    藉助虛擬儀的思想,對控系統進了設計:採用光柵尺、光電編碼量可動部件的運動量,解析度高、誤小;採用細分驅動的步進電機裝置,控制性能好;系統實施環境溫度的檢、補償,提高了檢精度;基於兩級機組建控系統:主機為人機界面,採用windows編程,從機用dos編程,實時性好;軟體設計採用兼容性和移植性好的模塊式結構,便於二次開發。
  2. The verify experiment proves that its ratio and phase characteristics are much better than ordinary ones and the precision is enough for measure use. zero - flux current transformer can ’ t obtain absolute zero flux because residuary flux, so when the secondary turns is too small it will not satisfying. to improve the precision further, proposes a method to compensate zero - flux current transformer using capacitance parallel connected coil and deduces it

    為了進一步抵消剩餘磁通,提高互感的精度,提出了一種並聯電容線圈補償零磁通的方法,並進了理論推導,設計了基於該方法的100匝電流互感,通過校驗證明它可以改善零磁通電流互感的比和角特性,提高互感的精度,將電流互感的二次匝數由普通互感的幾千匝降到了100匝,提高了小電流的能力。
  3. During the period of measurement, the transduction circuits transform the differential pressures, the absolute pressures and the temperatures received by the sensors into the voltage signals, and then, the voltage signals are transformed into digital signals by the a / d convertor. the mcu processes these digital signals and calculates the cumulation of the flow. finally the totalizers contact with the pc by rs - 485 bus to form a distributed measuring network

    量過程中,系統以流量計節流所獲得的壓信號作為主信號、絕壓和溫度信號作為補償信號進流量積算,這三種信號分別由相應傳感感知后,經各自的物理信號量電路轉換為電信號,再由a / d轉換模塊轉變為數字量,交控制處理、積算。
  4. 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和低功耗處理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,使用處理pic16c62和多路繼電開關,設計開發出實現試系統中試通道切換功能的多路通道掃描及其控制固件;再次,採用vb語言編程,調用windows內部api函數,與選定hid類驅動程序進通信,實現usb總線介面試儀功能,完成面向試的上層軟體開發;最後,在深入研究印刷電路板試方法的基礎上,利用已開發的多路通道掃描和面向試軟體,結合必要試儀組建印刷電路板試系統,並對試結果進了簡要的誤分析。
  5. One thick necks ’ thickness measuring instrument with high precise and high efficiency is researched in this dissertation. one special flexible hinge gauge head is designed, differential solenoid inductance displacement sensor is chosen and modern micro - processing technology is used to meet the demand of measuring accuracy

    本文通過設計一種專用柔性鉸鏈頭,採用動式螺管型電感位移傳感並結合現代處理技術,對撓性接頭細頸厚度的高精度高效率量裝置進了研究。
  6. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳感在兩主軸方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬量程、非線性誤小、外圍電路簡單等優點;對設計的敏感元件結構參數進了計算,並利用有限元法進了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進了原理設計與分析,利用量技術得到由振動引起的小電容變化量,經c - v介面電路進相位調制處理,然後通過解調輸出與加速度成正比的電壓信號。
  7. In this dissertation, both single and complex driver - magnifier as a whole body is tested and studied by the tool of ansys for the deep analysis of kinemics, workspace, error analysis and compensation. and the method of helix - mechanism is induced to study the model accurately

    本文利用ansys工具對智能並聯驅動機構的柔性鉸鏈進了分析與模擬,為並聯操作機人整體性能試及分析,即的位置空間、運動學、誤補償提供了基礎。
  8. For the existing transformer cooling control system has many shortcomings such as the complicated system control circuit, the low reliability, the protection methods of blower fan being so simple, large control error, high fault rate, massive maintenance work and no method to realize telecommunication, this thesis develops a novel intelligent power transformer air - cooled control system based on the center of microprocessor through all - round technology analysis and research

    本文針對變壓冷卻系統使用常規控制系統存在的系統控制迴路復雜、可靠性低、風機的保護方式簡單而無法進故障預、主變壓油溫量精度低造成控制誤大、故障率高、維護工作量大、無法實現遠程通訊等問題,經過多方面的技術分析和調研,設計開發了新型的以處理為核心的智能式電力變壓風冷卻控制系統。
  9. Differential group delay measurement of single - mode components and devices by the differential phase shift method

    利用分相移法進單模元件和裝置的群時延
  10. Simultaneously with the micro - displacement started the processe of the grating sensor measuring the displacement and image collection of the system. the grating sensor ( length gauge ) measures the displacement of the dial gauge with surveying rod. it is delivered to the computer with a block k220 in real time and the dial image by ccd camcorder is shown on the computer screen with the image collection card in real time

    在實現量進給的同時,啟動系統的光柵位移量過程和圖像採集過程,光柵傳感(長度計)得指示表桿的位移量,由計數卡ik220實時傳送給計算機,由ccd攝像頭攝取的表盤圖像經圖像採集卡在計算機屏幕上得以實時顯示,最後通過對指示表指針位移計算處理與光柵傳感量的位移量進比較,得到指示表受檢點的示值誤
  11. It introduces the method of modulated light subtracting infrared radiation of atmosphere and background as well as the method of phase - lock - loop detecting feebleness signal

    採用光路分調制的方法實時扣除背景紅外輻射,並採用鎖定放大弱信號的檢
  12. We select crm without coal as reference ; select semi - dynamic atmosphere to operate machine ; use the method fixing the temperature of hearth and that of sample holders when the analysis begins, which ensures the consistency of heating samples ; adopt the dta curve of " at - t " to analyzing crm heat, which decreases possible influences from the fluctuation of heating velocity ; draw conclusions that crm proportion and granularity influence the analysis little, but not crm moisture and coal species ; advise that there be a warm - up to the crm with much moisture before analysis and a modification to the crm with variable species of coal ; then obtain the feasible operation conditions and operation curve ( together with the curve function )

    選用白生料作標樣;選用準動態定氣氛;採用恆定爐膛溫度( 650 )和固定支持初始溫度( 60 )的方法,確保了樣品受熱過程的一致性;採用「 t ? ? t (時間) 」 dta曲線分析生料熱,減少了升溫速率的弱變化對定結果的可能影響;得出生料配比和細度對熱儀定結果影響小、生料水分和煤品種影響大的結論,並提出對大水分生料定前要進預熱處理、對不同品種煤的定結果要進修正的建議。最終,得到了熱儀適宜的工況條件和工作曲線(及方程) 。
  13. Finally to accomplish the development of air speed measure components being based upon above discussion, the paper chose rationally hardware equipments, such as the tiny pressure difference sensor, the data collection system, the industrial control computer etc, solved the communication interface problems of the hardware platform, compiled the system software of the air speed on - line monitor, and raveled out a series of technical problems about the signal real time conversion, transfer, modify, calculate, display and so on

    在此基礎上,對壓變送、數據採集系統、計算機等硬體設備進了合理選型,解決了硬體平臺的通訊介面問題。編制風速監系統軟體,解決信號實時轉換、傳遞、修正、計算、顯示等監系統二次部分開發的一系列技術問題。
  14. Co2 laser - based differential absorption lidar ( dial ) systems have been used extensively for the remote sensing measurement of molecular species in the atmosphere and trace gases, therefore, have important value in military and civilian fields

    基於二氧化碳激光分吸收激光雷達( co2dial )系統被廣泛地應用於對大氣分子種類以及量氣體進遙感的量之中,具有非常重要的軍事和民用價值。
  15. First, calculating time delay and embedding dimension to reconstruct phase space. second, based on chaos theories, the artificial neural network is used to build one - step and multi - steps predictive model. third, combining with an adaptive filter, predictive error is processed so that weak signal is extracted from strong chaotic noise

    研究的內容分為三個方面: ( 1 )確定嵌入維數和延遲時間重構相空間; ( 2 )將混沌理論與人工神經網路結合,建立混沌時間序列(混沌背景)的一步與多步預模型; ( 3 )結合自適應信號分離對預處理達到檢弱信號的目的。
  16. Some methods for overcoming these disadvantages are investigated as follows : first, using shield and magnetic circuit to shorten the sensor length and enhance the signal magnitude ; second, improving the data acquisition system to intensify the capability of fine defect detection ; at last, adopting digital signal processing technology such as homomorphic filter, wavelet transform and error correction to ensure detecting reliability

    本文結合有限元模擬和實驗方法,研究了改進遠場渦流技術性能的幾種方法,即:採用電磁屏蔽、磁路進傳感優化設計以縮短探頭長度、增大信號強度;改進信號調理電路以提高細缺陷檢出能力;利用同態濾波、小波變換以及誤修正等數字信號處理技術確保檢結果的可靠性。
  17. Radial basis function neural network ( rbfnn ) is chosen to build predictive model. rbfnn is a special type of neural network linear - in - weight in nature and having nonlinear processing properties. finally, an adaptive filter is applicable to do the followed weak signal extraction work

    接著選用徑向基函數神經網路( radialbasisneuralnetwork , rbfnn )建立混沌時間序列預模型,徑向基函數神經網路是一種局部逼近的人工神經網路,訓練簡潔而且學習收斂速度快,能夠逼近任意非線性函數,最後將預送入自適應信號分離處理,檢弱信號。
  18. The banknote accounter is designed specially for inspecting the banknotes of rmb, us dollar, euro, honggang dollar, japanese yen, and pound etc, it makes inspection analysis about a piese of bank note mainly through more than ten channels, therefore, any counterfeit with minor differnece with the true banknote can be inspected out, and ensures the accuracy and reliability of counterfeit discrimination in the technical aspect. the counter possesses the function of counting, accumulating, andpreset etc, based on standard rs232 interface, with external dispaly, featuring handy and visual operation, correct counting, durable, with several technical patents obtained

    本點鈔機是專門為檢人民幣/美元/歐元/日元/港幣/英鎊等多種幣種而設計的,主要通過十多種途徑對一張紙幣進分析,所以任何與真幣有別的假幣都可以被檢出來,在技術方面保證檢偽的準確性和可靠性.機具有清點/累加/預置等功能,標準rs232介面,外置顯示,操作簡便直觀,點數準確,經久耐用,並擁有多項技術專利
  19. Presented in this paper is the investigation of some problems existing in the far - field method widely used in hpm measurement. first, the errors are analyzed from the practical calculation of the directivity for the radiation of the te11 mode in the circular waveguide. secondly, the results obtained from simulation and experiments are compared with each other on the effective area of the receiving antenna of certain types, and the power capacity are calculated for these antenna

    首先,對圓波導te11主模輻射方向性系數實際計算中存在的誤了分析;其次,對一些型號的接收喇叭有效面積進了模擬和實對比,並通過計算給出了這些型號的接收喇叭的功率容量;最後,實驗定了波脈寬對一些件? ?同軸型檢波、同軸型衰減波電纜性能的影響。
  20. ( 2 ) hardware design of difference frequency capacitance measurement circuit, including the structure of sensor, analysis on several relative measurement circuits, periphery circus design. debugs and practically measures it

    ( 2 )進頻式電容量電路的硬體設計,主要包括:傳感結構設計,各種小電容檢電路的對比分析,頻式檢電路設計,溫度檢電路設計以及存儲電路設計。
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