數位測量技術 的英文怎麼說

中文拼音 [shǔwèiliángshù]
數位測量技術 英文
digital measuring technique
  • : 數副詞(屢次) frequently; repeatedly
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : 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
  • : 名詞(技能; 本領) skill; ability; trick; technique
  • : 術名詞1. (技藝; 技術; 學術) art; skill; technique 2. (方法; 策略) method; tactics 3. (姓氏) a surname
  • 數位 : numerical digit; digit; place; digit position
  • 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,包括先進的字波面干涉和一種基於空間干涉原理的、納米解析度零差干涉儀方法,同時將多種新穎、工程實用價值高的和光路如衍射、共焦顯微、光纖傳感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. Air is entrained as water jetting into water cushion pool, the gas - liquid two phase flows field are formed. the every phase velocity field are measured by using piv and ptv ( particle tracking velocimetry ) method in the course of jet angle 75and60 in gas - liquid flows of water cushion pool. image house of two phase flows are set up

    西安理工大學碩士學論文使用字圖像處理中的piv和ptv就射流入水角75度和60度兩種情況分別了水墊塘模型水氣兩相流流場的各相速度場,建立了相應的兩相流流態圖像庫。
  3. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動學原理的單站無源定理論基礎上,本文第二章提出了幾種在角度的基礎上增加角度變化率及相對運動的離心加速度等運動學參的單站無源模型,並對它們進行了分析和模擬;第三章分別對利用角度及其變化率信息定和利用離心加速度信息定的可觀性進行分析並得到了相應的可觀條件;第四章針對傳統擴展卡爾曼( ekf )方法的缺點,提出了一種修正協方差的擴展卡爾曼濾波( mvefk )方法,並將其和ekf 、 mgekf 、 iekf等常用的單站無源定濾波方法進行了性能模擬比較;第五章通過引入雷達機動目標跟蹤方法和模型,提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法;第六章主要對角度變化率和離心加速度參的獲取進行了研究,提出了幾種高精度脈沖序列多普勒頻率變化率的方法。
  4. During the " 10th 5 - year - project ", researches on the following techniques, new isotopic carrier, 5 parameters combination logging, oxygen activation logging, injection profile logging for polymer flooding, trace relative flow rate logging, and so on, have been carried out and some advanced and practical results have been obtained

    「十五」期間開展了新型同素載體、五參組合、氧活化、聚驅注入剖面、示蹤相關流等課題的攻關,取得了一批先進實用的成果。
  5. With the rapid development of the carrier phase differencing technique and digital signal processing hardware, it is possible to implement real - time processing of gps based attitude determination system

    隨著載波相差分字信號處理硬體的快速發展, gps姿態的實時處理成為可能。
  6. In large dimension measurement techniques, on the two - dimensional optical microscopy work platform displacement signals collection, the introduction of raster feet to achieve large dimension measurements designed raster signal acquisition circuits, a collection of analytical studies of the key circuits, the corresponding solutions, and discussed work platform displacement signals, image data and the actual dimension ; meanwhile driving mechanism designed electrical circuit, laying the foundation for the measurement of two - dimensional work platform automatically

    在超屏幕尺寸中,關於二維光學顯微工作臺移信號採集,採用了光柵尺來實現超屏幕尺寸,設計了光柵信號採集電路,分析研究了採集電路中的關鍵性問題,提出相應的解決方案,並討論了工作臺移信號、圖像據與實際尺寸的關系;同時設計了電機驅動介面電路,為二維工作臺自動奠定基礎。
  7. 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

    為使二維振動傳感器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,採用體硅微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、寬程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化參;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝;對敏感晶元內部的c - v介面電路進行了原理設計與分析,利用差動得到由振動引起的微小電容變化,經c - v介面電路進行相調制處理,然後通過解調輸出與加速度成正比的電壓信號。
  8. A good many case of approaching excavation are studied in this article, such as the study of infection of be coal mining to the huayingshan tunnel, technology study of strucked tunnels of metro in shenzhen, countermeasure study of tunnel approaching pile foundation of metro in guangzhou, excavation methods optimized of large cross section subaqueous tunnel approaching pile foundation of lrt in chongqing, etc. on the basic of analysing and concluding relative study production all over the the world by the numbers, classification of approaching excavation, partition of approach zone, formula of partition of approaching zone, approach degree and countermeasure grade of generalized approaching excavation of underground works are put forward. general methods studying and trea

    本文結合作者多年來對華鎣山隧道減少壓煤研究、深圳地鐵重疊隧道第11頁西南交通大學博士研究主學論文研究、廣州地鐵公紀區間廣紡聯段鄰樁施工對策研究和重慶輕軌大坪大斷面車站鄰近基礎淺埋暗挖工法優化分析等諸多近接施工問題案例的研究,在系統分析和歸納總結國內外相關研究成果的基礎上,系統地提出了廣義的地下工程近接施工的分類、分區、分區指標表達式、近接度與對策等級概念以及分區、分度準則,給出了研究和解決近接施工問題的普遍方法,如值分析先行,模型試驗、現場試驗證等。
  9. In this paper, the author provide some theory research results, as following : protocol testing contents ; protocol testing methods ; the application of " formal technology " in networking testing and so on. besides these, author research and develop the testing tool of " activetester ", which not only includes all functions of traditional testing tools, but also have the function of sending packages. it can send all types packages, for instance, mac packet, ip packet, icmp packet, igmp packet, arp packet and so on

    為了科學地進行主動性試,作者對協議試理論進行了必要的補充,提出了自己的觀點,如協議試研究的內容、協議試的方法、形式化在協議試中的應用等;同時為了便於試人員掌握、使用主動性,作者研發了報文發送、偵聽、分析工具? activetester ,它除了具備傳統網路工具(如, sniffer )所具有的報文偵聽、流統計分析功能外,增加了報文發送功能,可以發送mac據幀、 ip報文、 icmp報文、 igmp報文、 arp報文等,在此基礎上還可網路整體的吞吐,響應時間,故障定,協議一致性試等。
  10. The algorithm, basing on convolution filtering technique and the fringes " gray values max - min distribution, can automatically and accurately carry out space frequency spectra shifting without spectra analysis and spectrogram in the technique of phase method of projected grating for 3 - d object shapes measurement. the new algorithm makes image processing much caster and the technique of object shapes measurement more automated. the phase error caused by filtering and the crossed - optical - axes geometry setup is also discussed

    本文採用投影光棚相法和字卷積濾波:根據柵線的條紋灰度值分佈具有極大極小分佈的特性,提出卷積濾波形貌光學自動檢的圖像處理方法,有效地實現了頻譜自動移,從而進一步提高了圖像處理的速度和形貌的自動化程度;同時對採用兩光學主軸相交,且非遠心投影系統所產生的誤差進行了分析,並提出了修正方法。
  11. The main part and key technique of the cpa system is study : the generation of the femtosecond laser pulse is study, the modulation and maintenance of the ti : s laser is learned ; the types of the measurement for ultrashort laser pulse is generalized and the interferometric autocorrelation is expatiated ; the varieties of the stretchers is sum up and aberration - free stretcher is calculated and optimized to improve the stretching ratio ; the pulse selection is analyzed and a single pulse can be selected successful from the pulse train at a repetition rate of 82mhz ; the kinds of the amplifier in cpa system is gathered up, the eight - pass pre - amplifier and a good many effects in it is investigated. finally, the second, third and fourth - order dispersions in cpa system is analyzed systemicly, and the according means for dispersion compensation is worked out

    對cpa系統的主要環節及關鍵進行了研究:掌握了鈦寶石激光器的調節和維護,較深入地研究了飛秒激光脈沖產生的機理,其中對群速色散、自相調制、自鎖模等問題進行了詳盡的分析;總結了超短激光脈沖的,重點研究了干涉自相關法;在總結展寬器類型的基礎上,對無象差展寬器進行了理論計算、優化設計,提高了展寬倍;深入論述了脈沖列的選單問題,熟練掌握了脈沖選單
  12. The loading effects of the atmosphere are the sum of the direct effect, which comes from its newtonian attraction to any point on the surface or within the interior of the earth, and the indirect effects, which is induced by the earth ' s deformation and additional gravitational potential arising from redistribution of the mass because it can be regarded as the surface loads. they are traditionally expressed as the convolution integration of the atmospheric green ' s function, which is virtually the sum of the elastic and gravitational green ' s functions, and the measured values of the barometric pressure on the earth ' s surface over the globe

    隨著現代大地據分析手段的日益提高,大氣對各類物理場地表觀的負荷影響必須予以考慮,大氣的負荷效應為直接效應(大氣對地球表面及內部點產生直接吸引)和間接效應(大氣作為表面負荷作用於地球,導致地球的彈性形變和內部質的重新分佈,產生附加)之和,習慣上表示為大氣格林函(彈性項和直接引力項格林函之和)和地表氣壓觀值的全球褶積積分
  13. " 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

    在非球面方面,主要針對零補償檢驗過程中坐標的「非線性誤差」的形成原因及其補償演算法由光學調整引起的誤差以及調整誤差的擬和方法等問題進行了討論,並編制了相應的干涉檢驗據處理軟體asic ,干涉檢驗結果經分析、處理后能夠滿足ccos的要求並指導加工。
  14. As a mature technology for its static and accurate positioning, is widely used in the fields of geoscience study, geoid survey and other survey applications, which has brought about a new revolution for the methods and ways of survey. the digital photogrammetry can effectively reduce the work of the field survey and alleviate the labor intensity. its output results, such as digital ground model and digital products, can be widely used for engineering construction ; the outlook of its application has a bright future

    Gps靜態精密定作為一種成熟已廣泛應用於地球科學研究、大地等各個繪應用領域,給手段和方式帶來了一場新的革命;字攝影可以有效減少野外的工作,減輕勞動強度,其輸出成果字地面模型及其字化產品,與工程建設結合最為緊密,應用前景非常廣闊;遙感地質可為公路規劃和設計從宏觀上提供準確可靠的工程地質資料; cad作為一種可以極大地提高設計效率的有效手段已經被廣泛採用,目前正朝著可視化、動態化、三維化方向發展。
  15. A coherent electromagnetic pulse in the range between the far - infrared and microwave region is used as a detection source. the amplitude of the wave is recorded by electro - optical or photoconductive sampling. after fast fourier transform, the amplitude and phase of the wave is given, then the complex refractive index standing for the absorption and dispersion of the material in thz region is extracted

    Thz ( 10 ~ ( 12 ) hz )時域光譜是20世紀90年代發展起來的一種新型的光譜,它使用頻率介於遠紅外和微波之間的相干電磁輻射脈沖作為探源,利用電光取樣或光電導取樣的方法直接記錄thz輻射電場的振幅時間波形,通過傅立葉變換得到信號振幅和相的光譜分佈,進而獲得材料在thz波段的復介電常,即色散及吸收等信息。
  16. Based on multisensor target tracking system, the research of this thesis focuses on target location technique, target trajectory smoothing, filter, prediction based on a parameterized model, target tracking with nonlinear measurement, outlier detection and distributed systematic error estimate based on real - time data fusion and so on

    論文以多傳感器目標跟蹤系統為背景,針對目標定、基於參建模的目標航跡平滑、濾波和外推、非線性系統的目標跟蹤、基於實時據融合模型的野值剔除和分散式系統誤差估計等方面進行了深入研究。
  17. Taking the phase information extracted from the plural data acquired by sar as its source, interferometric synthetic aperture radar is developed to obtain the terrain information and variety details

    合成孔徑雷達干涉( interferometricsyntheticapertureradar ,簡稱insar )是以合成孔徑雷達的復據提取的相信息為信息源獲取地表的三維信息和變化信息的一項
  18. Measurement theory of coaxial line phase water cut meter and flowing feature of water oil two - phase flow have been studied in this paper. and it has been found that the response of coaxial line phase water cut meter is not only related to water cut, but also related to temperature, salinity of formation water and flowing characteristics. based on soft - measuring theory and operating theory of the meter, soft - measuring model of coaxial line phase water cut meter has been set up with directly obtainable facts such as flux, temperature of oil and water mixture and salinity of formation water

    本文在對同軸線相法含水率計的機理和油井兩相流動特性研究的基礎上,揭示出同軸線相法含水率計的儀器響應除了與油井含水率有關之外,而且還與油水混合介質的溫度、地層水礦化度以及兩項流動狀態有關;結合軟理論和同軸線相法含水率計本身的機理以及與儀器響應有關的可以直接的流、油水混合介質的溫度、地層水礦化度等參,建立基於同軸線相法含水率計機理的軟模型。
  19. Automatically digital focus measurement system realizes the automatically measure of the focus distance during localization, which improves the accuracy of localization

    自動,實現了定過程焦距自動,極大提高定正確性。
  20. An auto - detecting method of the gauge with pointer that is based on digital image processing technique, high precision grating technique and step motor control technique is presented. there are advantages of high precision, high efficiency and auto - detecting for apply digital image processing technique to detect precision of the gauge with pointer ; moreover, it ’ s helpful to improve system ’ s resolution when high precision grating technique is applied to measure micro displacement ; also it makes system more automatic to control step motor in computer via step motor control card

    本文研究的指針式儀表的自動檢定方法是基於字圖像處理、精密光柵以及步進電機控制的,將字圖像處理用於指針式儀表的檢定,具有精度高、效率高、易於實現自動等優點;另外,將精密光柵用來移,有利於提高系統的解析度;還有,通過步進電機控制卡來實現在計算機上對步進電機的控制,提高了系統的自動化程度。
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