measurement conversion 中文意思是什麼

measurement conversion 解釋
換算功能
  • measurement : n. 1. 測量，計量，量度。2. 份量，尺寸，大小，寬度，厚度，深度（等）。3. 測量法。 measurement goods （按體積、容積計算的）體積貨物。
  • conversion : n 1 變換，轉化，轉換；換算，換位。2 （意見、信仰等的）改變〈特指改信基督教〉；（車身，設備等的）...
  1. This calculator to the practical function of the conversion, including the length of the conversion unit, exchange rate conversion and the various units of measurement conversion

    此次的計算器加入了實用的轉換功能，包括長度單位的換算，匯率換算以及各種計量單位的換算。
  2. Using domestic strained integrated resistor as weighing sensor, at89c52 single chip as control unit, combined with arithmetical magnification, analogtodigital conversion ( a / d ), real time clock, liquid crystal display ( lcd ), and series communication interface, a minitype automatic weighing lysimeter is developed. that made measurement of evapotranspiration become conveniently and effectively in studying on water use of crops

    為了方便、有效地測定植物的蒸散，為水分利用研究提供價廉物美、簡單易用的儀器，本研究利用國產的集成電阻應變式稱重傳感器，採用at89c52單片機作為控制單元，結合運算放大、模數轉換、實時時鐘、液晶顯示、數據存儲、串列通信等外圍介面電路，研製了小型自動稱重式蒸散儀。
  3. Based on general pc technology, the hardware of the equipment include measurement function, image conversion process. operation system of equipment pc is win 98

    在所實現的檢測調整機上，控制系統硬體以通用pc為基礎，增加測試功能和圖像信號處理功能，人機界面採用win98界面。
  4. Experimental results of four - photon de broglie wavelength measurement are analyzed based on a local description for the quantum state and optical field of photon pairs generated from spontaneous parametric down - conversion ( spdc )

    摘要採用對自發參量下轉換過程產生的光子對的量子態和光場的非糾纏態描述，分析了由自發參量下轉換過程產生的四光子的德布羅意波長測量的實驗，得到了與實驗觀測相一致的結果。
  5. This paper gives a comprehensive presentation about the fundamental of the flow - measuring method by flume, the design of khafagi flume and the buoy - level mechanism, the signal conversion by the angle measuring sensor and the deduce of the flow equation. it also introduces the hardware design, the development and emulation on software of the intelligent measuring meter in detail. the error of flow measurement is analyzed and calculated in the end either

    本文對槽式流量測量的基本原理、卡發基槽和浮桿測量機構的設計、角度傳感器的信號轉換以及流量計算公式的推導做了全面的闡述；詳細介紹了智能儀表應用系統的硬體電路設計和應用軟體的開發及模擬調試；最後對測量系統的各項誤差進行了分析和計算。
  6. A portable wind cable can be measured in a variety of circumstances, not by the winds of change cable circumstances measuring wind cable tension ; both of arbitrary moment of absolute tension cable wind, the wind can monitor cable tension variation ; construction equipment to the wild environment ; lightweight structures, the demolition convenient, simple measurement ; the intelligent measurement mode, can provide a wide range of choices rope specifications directly measured wind cable tension that the absolute need for conversion, and misoperation automatic alarm functions, measurement more convenient, direct, accurate and high degree of automation

    一種便攜式纜風測力器可在各種施工環境下，在不改變纜風受力的情況下測量纜風張力；既能測量任意時刻纜風張力的絕對值，又可監測纜風的張力變化；裝置適應野外施工環境；結構輕巧、安拆方便、測量簡捷；在智能化測量模式下，能夠提供多種鋼絲繩規格的選擇，直接顯示被測纜風張力的絕對值，無需換算，並有誤操作自動報警功能，測量更加方便、直接、準確，自動化程度高。
  7. Unit of measurement conversion tables

    常用單位轉換表
  8. Taking the composite insulator as a measurement sample, knowing the waveform conversion condition on the boundary, only a conventional longitudinal testing probe is needed to measurement transverse wave produced by grazing incidence longitudinal wave

    以復合絕緣子為測量樣品，為提高測量橫波的精度，根據超聲波在邊界上的波型轉換條件，使用常規縱波探頭對由掠入射縱波產生的橫波進行測量。
  9. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求，課題期間研製了下位機系統硬體和軟體，開發了上位機監控軟體，其中所作的具體工作包括：測量原理的研究和在系統中的實現，在本次設計中用三種方法來進行水位測量，分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法；主控晶元的選擇，我們選用了高集成度的混合信號系統級晶元c8051f021 ；實現了信號的採集和處理，包括信號的轉換和在單片機內的運算；高集成度16位模數轉換晶元ad7705在系統中的應用，我們完成了它與單片機的介面設計及程序編制任務；精確時鐘晶元ds1302在系統中的應用，在此，我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬，該晶元的應用給整臺儀器提供了時間基準，方便了儀器的使用；另外，針對研製任務的要求，還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測，該部分的實現是通過採用ad421晶元來完成的，本設計中完成了ad421與單片機的spi介面任務，協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系，並完成了程序設計；與上位機的通信介面設計，該部分通過兩種方法實現： rs232通信方式和rs485通信方式；系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  10. Currency exchange rate international country codes the rules of custom zip code e - calendar world clock measurement conversion

    貨幣匯率國家代碼海關法規郵編區號電子日歷世界時鐘單位換算
  11. Standard practice for units of measurement and conversion factors for pulp, paper, and paperboard

    紙漿紙張和紙板用測量單位和換算系數
  12. By using msp430 micro controller unit and cpld technology, this method realized twofold frequency phase ranging : the rough measurement of the distance is realized by countering high frequency pulses which are filled in discriminating phase pulses ; the accurate discriminating phase pulses are converted by using the method of time to voltage conversion, and then the adc device samples the converted voltage, so the accurate measurement of the distance is obtained by processing the adc samples through micro controller unit

    該方法通過msp430單片機和先進的cpld技術實現雙頻測相:粗測通過採用對鑒相脈沖填充高頻脈沖的辦法來實現;精測則利用時間-電壓轉換法對鑒相脈沖進行轉換，然後由模數轉換器adc對轉換電壓進行采樣，通過單片機對adc的輸出值進行計算處理獲得精測值。
  13. Research on solving phase ambiguity of short - baseline interferometer system. short - baseline interferometer has phase ambiguity in processing of angle measurement, the reason of phase ambiguity and several solutions to phase ambiguity are analyzed in the article, furthermore, a new method that suit to the short - baseline interferometer is proposed ? solving phase ambiguity through frequency conversion, the computer simulation results confirm its effectiveness

    在短基線干涉儀測角體制下，存在著測角多值模糊問題，文中除了對測角多值模糊產生的原因及目前存在的幾種解模糊方法進行了簡單分析外，還提出了適用於短基線干涉儀的新方法? ?變頻解模糊方法，計算機模擬驗證了其解角度多值模糊的有效性。
  14. We put forward a scheme that multisensor data fusion - surface fitting and curve - fitting was applied in this system according to the temperature drift and nonlinear of sensor. communication between personal computer and measurement system of sensor was realized by means of transceiver with the type of max232, which could finish the data conversion, data processing and printing task, with the result that the measurement system was further improved

    針對傳感器測量的溫度漂移和非線性等問題，提出了利用多傳感器信息融合技術?曲面擬合法和曲線擬合法來加以解決，並通過max232收發器實現pc機與傳感器測量系統之間的通信，完成數據轉換、數據處理和列印等功能，使測量系統更加完善。
  15. Research on the estimation of conversion state of equivalent current test based on phasor measurement

    基於相量測量的等效電流量測變換狀態估計的研究
  16. The paper is completed research of measurement and control system based on dsp under technology. the paper is designed a card with the data - collection conversion and control by adopting mainly tms320f240 among the dsps as kernel processor, with peripheric a / d and d / a circuit epm7128 ' s decode and latch circuit and isa interface circuit

    本論文主要是採用數字信號處理器dsp中的tms320f240作為核心處理器，結合外部的模數轉換和數模轉換電路、可編程邏輯器件epm7128的地址譯碼和鎖存電路和isa介面電路，設計了集採集、轉換、控制於一身的isa卡。
  17. Advanced fpga technology is introduced to improve the integration of digital circuits, and all digital circuits in the original module are integrated in the fpga chips, which could not only reduce the cost, but also improve the reliability and measurement precision of the circuits. high speed digital signal processor ( dsp ) is selected as the coprocessor instead of scm ; it can receive all kinds of commands sent from vxi, analyze and execute the commands, harmonize each section of the module and process the data. higher - conversion - speed comparator chip is adopted to convert the input signals being measured into square waveform signals which could be identified by fpga chip ; it can expand the measurement range of frequency dramatically

    本文在原有vxi總線四通道計數器模塊的設計基礎上，通過對原模塊缺陷的分析，採用一些新的技術和新的電子器件來重新設計該計數器模塊:採用最新的fpga技術來提高數字電路的集成度，將原模塊中的所有數字電路全部集成在fpga晶元中，這樣不僅能節約成本，還能提高電路的可靠性和測量精度;採用高速的數字信號處理器（ dsp ）取代原有的單片機作為協處理器，來接收vxi發來的各種命令，分析命令、執行命令、協調模塊各部分的工作以及對數據的處理;採用轉換速率更高的比較器晶元將輸入的被測信號轉換為fpga晶元能夠識別的方波信號，能極大提高測量頻率的范圍;採用d / a轉換晶元和隔離運算放大器得到隔離通道所需的比較電平，該比較電平值能夠根據實際需求進行設置，能增強模塊的使用靈活性。
  18. Abstract : the possible problems and solving methods for the a / d conversion device built inside the micro - processor in application to precision measurement are proposed and analysed. it is useful for the inside integrated resources of micro - processor to been rationally applied, been fully developed, been improved and been enhanced

    文摘:較系統地分析和研究了微處理器內嵌式a / d轉換器在精密測量儀器應用中可能遇到的問題及解決方法，希望在合理利用、充分開發以及改善和增強微處理器內部集成資源方面具有一定參考價值。
  19. In the design of hardware, frequency sweep signal is based on dds + pll. by the control the singlechip c8051f060, ad9852, the dds chip, can achieve stepped frequency signal. with amplifying and detector circuits, the instrument can achieve the measurement and receiving of amplitude frequency characteristic result. by means of pdiusbd12 finish the usb1. 1 protocol conversion, communicate with usb interface of pc, the instrument give the measurement resul of amplitude - frequency characteristic in lcd of pc

    硬體方面，掃頻信號源基於dds + pll的技術，由c8051f060單片機控制dds晶元ad9852實現頻率步進。再加上外圍放大、檢波等電路，測量和接收幅頻特性。並藉助于pdiusbd12完成測量數據usb1 . 1協議轉換，實現與pc機的usb介面通信，將幅頻特性測量結果在pc機的液晶顯示屏上表達出來。
  20. The first step is the spatial coordinate conversion, which converts the measurement data from the measurement coordinate system to the theoretical coordinate system. the next step is to work out the systematic distortion errors of the antenna surface. the last step is to found the antenna surface model based upon neural network, then we can get random errors of the measurement data and take the mse ( mean square errors ) as the standard errors of the random errors by statistical method

    本論文的數據處理過程主要包括：一，實現測量數據的坐標轉換，將測量數據從測量坐標系轉換到設計坐標系；二，求出天線面的變形系統誤差；三，建立基於神經網路的天線面模型，求出各點的隨機誤差值，用統計的方法取其均方根作為標準偏差，並最終求得天線面的型面誤差值。
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