零差測量法 的英文怎麼說

中文拼音 [língchāliáng]
零差測量法 英文
null method of measurement
  • : Ⅰ數詞1 (零數) zero2 (數的空位) zero sign (0); nought 3 (表示沒有數量;無) nil; nought 4 (...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  1. This multi - purpose optical metering system had adopted the twyman - green interferometric system as its center, containing an advanced digital wave surface interferometry and a kind of homodyne interferometer displacement testing method with nanometer - sized capacity. at the same time, many wide - applied metering technology, for example, the diffracted field ( fringe ) measurement, co - focal lens system, optical fiber sensors and 4f ( focal distance ) space filter system which can embody the chief principle of fourier optics well, were combined into it successfully. this instrument can firstly offer and show modern optical testing method in the laboratory for majors of information processing, instrument science, measuring and testing technology and automatic technology

    該多功能激光光電實驗系統以泰曼-格林干涉( twyman - green )光路作核心,包括先進的數字波面干涉技術和一種基於空間干涉原理的、納米解析度干涉儀位移,同時將多種新穎、工程實用價值高的技術和光路如衍射、共焦顯微技術、光纖傳感技術以及反映傅立葉光學基本光學原理的4f空間濾波系統也組合進去。
  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,提高互感器的精度,提出了一種並聯電容線圈補償磁通的方,並進行了理論推導,設計了基於該方的100匝電流互感器,通過校驗證明它可以改善磁通電流互感器的比和角特性,提高互感器的精度,將電流互感器的二次匝數由普通互感器的幾千匝降到了100匝,提高了微小電流的能力。
  3. This text divides into five chapters altogether : chapter one in the introduction, have introduced the common sensor of displacement, has pointed out the fine characteristic of hall ' s sensor, put forward the basic task ; chapter two have introduced the basic operation principle of hall ' s component ; chapter three introduce hall temperature performance, electromagnetic characteristic, zero error, frequency characteristic and these parameter commonly used compensation method and hall simple application of component ; chapter four having recommended the measurement principle of the feedback servo mechanism, systematic implementation method, the experimental result has appeared, structure the mathematics model, and has analysed the error ; chapter five have pointed out the developing direction in the future while looking forward to

    本文共分為五章:第一章緒論中,介紹了常見的位移傳感器,指出了霍爾傳感器的優良特性,提出了基本任務;第二章介紹了霍爾元件的基本工作原理;第三章介紹了霍爾元件的溫度性能、電磁特性、位誤、頻率特性以及這些參數常用的補償方和霍爾元件的簡單應用;第四章介紹了反饋隨動機構的原理,系統的實現方,給出了實驗結果,構建了數學模型,並對誤進行了分析;第五章展望中指出了今後的發展方向。
  4. This article has studied the deficiency and shortcoming of various kinds of methods of the parameter measurement of transmission line at present, proposed the measurement under operation on the basis of gps, researched gps application way and error that may appear in the power system synchronal sampling, put forward the parameter computing technology based on the information of both sides of transmission line, which solved some problems that exist in the parameter measurement, especially the problem that exist in the zero - sequence parameter measurement of transmission line with mutual inductance

    本文研究了目前輸電線路參數的各種方,分析了其中存在的不足和缺點,提出了基於gps的輸電線路參數在線,研究分析了gps在電力系統同步采樣中的應用方式以及可能出現的誤,在同步采樣的基礎上提出了基於雙端信息的線路參數計算方,較好地解決了輸電線路參數中存在的一些問題,尤其是多回互感線路序參數困難的問題。
  5. In order to remedy the faults of the traditional pipe - leak detector based on the straight - correlation analysis method which has high demand for hardware and high price, the pipe - leak detector based on the polarity correlation algorithm with the cross - zero method is presented, the hardware design and the test is finished, the result only with the error from 1 % to 3 % is gained, and its feasibility is testifies

    針對採用直接相關的傳統相關漏儀對硬體要求高、價格較貴的缺點,將極性相關的過演算應用於相關漏,並設計了硬體結構,進行了實驗模擬,在實驗室條件下,約為1 % ~ 3 % ,驗證了其可行性。
  6. The device can protect start - up status and running status of asynchronous motors by differential protection, over current protection, negative - sequence current protection, zero - sequence current protection, inverse time current protection, under - voltage protection and so on, can measure every kind of electricity, and can process the function of telecontrol, telemetering and telecommunication

    其依靠電流動、速斷、負序過流、反時限、序過流和低電壓等保護方實現了片電動機的運行、啟動和自啟動過程進行保護,並實現各種電的計,同時具有遙控、遙、遙信的功能。
  7. The adaptation processing includes linear prediction coefficient adaptation and adaptation of quantization step size for residual signals. based on g. 726, we adopt a huffman coder to make use of probability statistic of bit cascade covering n ( n 1 ) samples generated from adpcm, in order to further reduce the bit rate. ng is lossless entropy coding, the speech quality of our improved algorithm should be same as that of g. 726 standard

    我們的研究和改進工作包括:研究最優非均勻自適應化器,及其自適應演算;研究波形預函數,以及函數點、極點的自適應演算;基於每n ( n 1 )個樣本所對應符號的概率統計,對預化值再進行huffman編碼,進一步降低比特率。
  8. But the original blast algorithm has a very high computational cost because of the nulling and cancellation step. on the other hand, the algorithm also needs an optimal detection ordering to restrain the effect of error propagation and improve the detection reliability

    常規blast演算由於需要進行大的線性迫(矩陣求逆)和串列符號刪除等運算,計算復雜度非常高,另一方面,演算還需要尋找最優的信號檢順序來消除誤傳遞的影響。
  9. On the base of the relativity and the data self - sealing characteristics of circular division measurement, an arbitrary measurement system on circular division and dihedral is built, and the processing method of the dynamic data zero average and the balancing based on self - sealing nature reference are also built

    在圓分度的相對性和數據自封閉特徵的基礎上,建立了基於圓分度和二面角的任意角系統,和基於自封閉自然基準的動態誤數據均值處理和平處理方
  10. " misalignment error ", which is caused by misalignment during null test adjustment, together with fabrication errors is shown in test results, and it is important to separate these two errors so that the test results can be used in ccos process. asic software is developed for eliminating nonlinear error and separating misalignment error, and a high accuracy, suitable format data file is generated by asic for further analysis for ccos process

    在非球面技術方面,主要針對位補償檢驗過程中坐標的「非線性誤」的形成原因及其補償演算由光學調整引起的以及調整的擬和方等問題進行了討論,並編制了相應的干涉檢驗數據處理軟體asic ,干涉檢驗結果經分析、處理后能夠滿足ccos的技術要求並指導加工。
  11. Aees employs the multi - staged digital filter algorithm to reduce random error. meanwile, the system correct zero deviation through linear opreation. the instrument, from hardware aspect increases the feature of anti - interference by the way of reasonable layout, sepration of digital and analogue

    系統採用了中值濾波和滑動平均濾波相結合的多級數字濾波演算來減小隨機誤,並以精密基準電壓作為比較信號的輸入,由智能系統通過線性運算,實時地修正、校準數據,減小系統的漂,實現自動定標並提高的精度。
  12. Elimination method of adjustment error in measurement of aspheric optical elements

    非球面光學中調整誤消除方
  13. The precision of the non - contact testing of flywheel gear ' s contour and location error of light electricity inspection machine based on virtual instrument has been carried on theory analysis in this paper. various contour and location tolerances of the part have been distributed depending on the result of the analysis, and the data handling method of measurement has been studied to find a data handling method of getting rid of the system error under one kind of condition of the big sample space

    本文對飛輪齒圈形位誤光電檢驗機的精度進行了理論分析,依據分析的結果分配了件的各種形位公,並對結果的數據處理方進行了研究,找到了一種在大樣本空間的條件下依概率排除系統誤的數據處理方,同時為了驗證其可靠度對其進行了計算機模擬實驗。
  14. A batch least - squares maximum likelihood estimator is employed to calibrate the model coefficients of accelerometer and a polynomial post - fit method is used to establish temperature models of these coefficients. the temperature models of accelerometer bias and scale factor of accelerometer are established between - 20oc and 50 oc. after compensating the temperature error by using these models, the post - fit residuals of the accelerometer output have been improved to 10 ? 5 g, and the trend term of accelerometer changing with temperature basically vanished

    採用最小二乘極大似然估計和多項式擬合的方,分析加速度計靜態模型系數隨加速度計殼體溫度變化的規律,建立了- 20oc 50oc之間加速度計偏和標度因數誤的溫度模型,應用該模型對加速度計溫度干擾進行補償,補償后,加速度計輸出的擬合均方根誤一到二個數級,並且基本上消除了加速度計輸出隨溫度變化的趨勢項,使得加速度計精度得到了明顯提高。
  15. Improved design of the precise phase shift network in zero display phase measure

    相位中精密相移網路的改進設計
  16. Measurement and characterization of surface texture is an important aspect of precision metrology. historically this has involved partitioning a profile into different wavelength regimes referred to as roughness, waviness and form followed by numerical quantization. parameters computed are then inspected for tolerance compliance to ensure a part performs its intended function. this approach is satisfactory when the specification has been carefully determined and the process is stable. however, when the manufacturing process is under development or when instability or modifications to the process invalidate specifications, there is a need to study surface finish parameters in relation to functional performance or process measures. in this context, the problem of surface texture classification and recognition are discussed. advanced techniques developed for this purpose along with applications are presented. also, the techniques discussed here will be useful across large bandwidth, from the characterization of nano scale to traditional micro scale surfaces

    表面結構的與特徵描述是精密計技術的一個重要方面,傳統上包括將輪廓情況根據不同的波長范圍劃分為粗糙度、波紋度和形狀及后續的數字化.按算得的參數檢查它是否為公允許,以保證件執行其指定的功能.當技術特性已經經過仔細確定,並且其過程穩定時,該方是令人滿意的;但是,當製造過程正在進行中或過程的不穩定、過程變化使技術特性失效時,就需要研究和功能表現及過程評定相關的表面參數.討論了表面結構的分類與識別問題.同時闡述了為此目的而開發的先進技術及其應用.所研究的技術對從納米尺度到傳統的微米尺度的較大帶寬范圍內的表面特徵描述都是有效的
  17. Rolling bearing parts - methods for the measurement and assessment of departure from roundness and waviness

    滾動軸承件.圓度和波紋度誤及評定方
  18. The experience results indicated the reliability of this kind of thermostatic control system. the analysis and compare about modern dielectric loss measuring methods are presented on chapter 3, and the zero - crossing testing phase discrimination method is adapted as the measuring method of this measuring system. furthermore, applied high frequency pulse technique, channel self - correction technique, anti - harmonic technique are used to increase accuracy and reliability of measurement

    本文對現代介質損耗技術進行了分析與比較,採用過鑒相比較作為介質損耗,並結合外施高頻脈沖技術、通道自校正技術、抗諧波技術,設計了高精度介質損耗電路,有效提高了介質損耗的精度,減小了
  19. Alignment and error evaluation of batch production by coordinate measurement machine

    件三坐標的校準及誤評估演算
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