數字測微計 的英文怎麼說

中文拼音 [shǔzìcèwéijì]
數字測微計 英文
digital micrometer
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 字 : Ⅰ名詞1 （文字） character; word 2 （字音） pronunciation 3 （字體） form of a written or printed ...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 數字 : 1. （表示數目的文字; 表示數目的符號） figure; digit; numeral; character; numeric character 2. （數量） quantity; amount
  1. The procedure functions in the compare between partial image of dynamic collection and corresponding image of the airscape. in chapter 5, basing on the analysis of correlative theory of digital image, we introduce the improved fasted - down algorithm and simulative anneal algorithm, which applies to nn calculation, an d bring forward the unique and effective means, correlative original value evaluation. basing on the combination of correlative arithmetic, a stable, high - speed and exact correlative arithmetic is formed, which makes it possible to apply computer vision detection of single - needle quilting in industrial production

    本文展開研究並取得一定成效：構建了基於pci總線的微機實時圖像採集系統；在採集的布料總圖（鳥瞰圖）的基礎上，通過數字圖像的數字濾波、圖像增強、邊緣檢測等處理，提取布料圖像的邊緣，對輪廓的矢量化的象素點進行搜索，得到相應的圖案矢量圖，從而確定絎縫的加工軌跡，生成加工指令；在進給加工過程中，主計算機對動態局部圖像與總圖（鳥瞰圖）的對應部分進行圖像相關的匹配計算，應用數字圖像理論，結合神經網路計算的改進最速下降法和模擬退火演算法，提出獨特而有效的相關迭代初始值賦值方法，形成穩定、高速和準確的相關運算，實現單針絎縫視覺測量和自動控制。
  2. Based on the demand of power department, a full distributed multifuncitional monitoring device is studied. this instrument not only can measure the data of hydroelectric plant, but also integrate the funcition of control the dynamotor, by cooperate with the program of epigynous system, it can realization the auto generate electricity on the hydroelectric plant and ordinal startup - stop of the dynamotor. 2 furthermore, performance of integrated dft arithmetic enhances the acturacy and reliability of measure. by communication several devices can run online to be controlled dispersedly and managed centrally

    本文分析了國內外水電站自動控制裝置的研究和發展狀況，尤其是國內小型水電站的自動化現狀，針對現有電力部門的需求，設計並實現了一種單元式的微機自動監控裝置，該裝置不僅實現了對水電站內各種模擬參數和數字信號的實時監測功能，還對水輪發電機組進行了調控，通過與上位機處理程序的配合，可以實現水電站的自動發電控制、機組順序啟停；在測量發電機組機端電壓和電流參數的時候，採用32點離散傅立葉演算法（ dft ） ，增加了測量的準確性和可靠性；通過通訊可以實現裝置的聯網運行，做到「分散控制、集中管理」 。
  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

    在測量過程中，系統以流量計節流所獲得的差壓信號作為主信號、絕壓和溫度信號作為補償信號進行流量積算，這三種信號分別由相應傳感器感知后，經各自的物理信號測量電路轉換為電信號，再由a / d轉換模塊轉變為數字量，交微控制器進行處理、積算。
  4. A compensatory approach to software and hardware used by microprocessor was applied to the intelligent solid pressure transducer, which not only achieved the intelligentization of pressure sensor, but also improved the sensor ' s accuracy. this will surely accelerate the development of instrument towards the direction of multifunction, high degree of accuracy, numeralization, intelligentization, modularization and miniaturization so that measurement system will be further improved

    為此本課題研究固態壓力傳感器的製造技術，通過微處理機的軟體和硬體的補償方法來提高傳感器的精度，實現壓力傳感器的智能化，促使儀表向多功能、高精度、數字化、智能化、模塊化、小型輕量化方向發展，近而得到一個較為完善和理想的測控系統，提出了一種差壓傳感器智能化設計方案。
  5. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中，採用高速的dsp處理器，實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法，實現了大電流信號的驅動輸出;採用485總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路，採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術，實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元，設計了人機信息交互的介面;採用了模塊化的軟體設計方法，開發了裝置主機及探測器的軟體程序。
  6. We have accomplished a primary explore of the checkout system, such as, the design of imaging optics road, the calculation and selection of sensor, the selection of digital processing chip. we utilize dam6416p board and ccs2. 2 software to put up a micro - dot simulation system

    本文完成了該檢測系統的初步探索：根據幾何光學原理，設計了成像光路的方案；完成所需圖像傳感器分辨能力的計算和型號的選擇；完成了數字信號處理晶元的選擇，及對模擬開發系統的學習和初步應用，並利用基於tms320c6416晶元的dam6416p模擬開發版和集成開發環境ccs2 . 2 ，搭建了一個顯微網點處理系統，從而驗證了系統的可行性。
  7. Some correlative designs and experiments are finished before the microwave test experiment. the property of a finite long magnetic coil is studied and the coil magnetic field circuit is constructed for the experiment of microwave. a digital two - channel trigger device is designed and successfully applied in the experiment

    為了微波實驗的順利進行，我們設計並加工了磁場線圈，研製了控制磁場線圈迴路觸發和強流電子束加速器觸發同步的兩路數字同步觸發器，研製了測量電子束流的法拉第筒，並成功地將這些設備應用於微波實驗研究。
  8. There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor

    本文利用s7 - 200plc自身的特點設計了頻率測量單元，根據pid調節各個環節的特點，以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同，利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路，實現了水輪發電機組頻率的測量；在軟體上，對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析，選用改進的pid演算法實現了變參數、變結構的pid調節模式；調速器的機械液壓隨動系統具有步進電機電液轉換元件，採用五相反應式步進電機，根據其驅動特性設計了變頻調壓驅動器，實現plc與步進電機驅動器之間數字介面。
  9. In the thesis, the hardware design of anti - interference and software algorithm are two key issues about data acquiring and data processing of test system virtual instruments based, from the microcosmic view of test technique for resolving the concreted questions

    硬體的抗干擾設計和軟體數字處理技術（包括演算法）是本文論述的在車載式制動性能測試系統中數據採集和處理涉及的兩個關鍵方面，是從測試方法微觀的角度考慮來解決實際問題。
  10. This system ' s hardware is composed with portable computer, data acquisition and sensors, it adopted the modularization method in the design of hardware which makes the test instrument very small and light, high antivibration capability, easily installed and taken down, so the test instrument can do experiment in the running vehicle

    軟體設計中利用了dll技術，採用bc和vb進行模塊化開發，使得系統軟體具有很好的通用性、靈活性和可擴充性。系統採用硬體抗干擾技術和軟體數字處理技術是本文論述的兩個關鍵，是從測試系統的微觀的角度來解決實際問題。
  11. This paper researches basic principle of microwave digital phase shifter deeply, reviews different theories of all kinds of microwave digital phase shifter circuit, analyzes loaded - line phase shifter in detail and draws design curves according to formulas. and this paper presents a novel method, which makes use of modeling simulation that software - ansoft serenade 8. 7 provides to evaluate parameter values of pin diodes through s parameter measurement. then, a kind of 6 - bit digital phase shifter circuit is designed and simulated through software - ansoft serenade 8. 7

    本文對微波數字式移相器的基本理論進行了較深入的研究；綜述了各種微波數字式移相器電路的工作原理，著重對加載線式移相器電路進行了理論分析，並根據計算公式作出一系列相應設計曲線；提出利用軟體ansoftserenade8 . 7所提供的測量數據擬合功能，通過測量s參數來確定pin二極體等效電路參數的新穎實驗方法；利用微波電路設計軟體ansoftserenade8 . 7對6位數字式移相器電路進行模擬、優化設計，做出樣品，並對其性能測試分析，對研製微波數字式移相器具有重要的參考意義。
  12. In this paper, a high integrated and intelligent digital dsp - spm system is developed based on the nspm6800 spm manufactured by the beijing zhongke mechanical & electrical equipment co. at present, the pc of spm system is burdened with not only sending and receiving data, but also disposing of image, which hinders the enhancement of speed of the system. in addition, as the function of spm is expanding, including tappingmode afm, efm, mfm, scm, etc, one hand, it amplifies the range of the application of spm, on the other hand it also means that the task of autocontrol and data transfer heavier. the advantages offered by the dsp compared to analog systems include considerable flexibility in the choice of the signal processing algorithm and greater ease in managing control parameters by the host computer, which are very important for the improvement of spm

    本課題以北京市中科機電設備公司的nspm - 6800型掃描探針顯微鏡為基礎，重新設計了以dsp為控制核心的控制系統，主要解決原系統存在的以下問題： （ 1 ） pc機既要實時控制數據的採集與發送，又要進行圖像的后處理，整個系統的實時性難以達到要求； （ 2 ）隨著spm功能的擴展，一方面包括輕敲式原子力顯微鏡、電場力、磁場力、掃描容場顯微鏡等技術在內的spm技術擴展了儀器的測試范圍和功能，另一方面也意味著自動控制量的增加和數據處理量的增加； （ 3 ） 16位a d 、 d a都採用的是購買的板卡，也通過isa槽插在pc機內，成本高，不利於擴展； （ 4 ）另外，數字板通過isa槽插在pc機內，易受于擾，而且給安裝帶來不便。
  13. With the rapid development of semiconductor, digital integrated circuit ( p, memory, standard logic gates, etc. ) and advance computer technology, the various measuring instruments ( virtual instruments ) with the powerful function of pc are produced in different industrial and scientific research fields. as we all known, the traditional instruments are usually built with discrete components and small scale ics, the disadvantages are obvious in system design, debugging and maintenance

    隨著半導體技術與數字集成電路（微處理器、存貯器以及標準邏輯門電路等）技術的迅速發展，特別是隨著計算機技術的發展，在工業生產和科學技術研究的各行各業中，人們利用pc機的強大處理功能代替傳統儀器的某些部件，開發出各種測量儀器（虛擬儀器） ，傳統儀器的數字邏輯部分多是採用分立集成電路（ ic ）組成，分立ic愈多，給系統的電路設計、調試及維護帶來諸多不便。
  14. 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

    表面結構的測量與特徵描述是精密計量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量化.按算得的參數檢查它是否為公差允許，以保證零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，該方法是令人滿意的;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
  15. In this dissertation, an intelligent analyzer based on image processing technology is developed for cashmere fiber quality inspection. the setup of the intelligent analyzer includes a personal computer, a image capturing card, an optical microscope, a ccd camera, a x - y driving worktable, a printer and a set of software for image capturing and analyzing. microscopic images are captured by the ccd camera and are saved in the hard disk in digital form

    系統的分析過程為：待測量纖維經顯微鏡成象后，由ccd將光信號轉換成電信號，再經圖象卡將顯微視場中的一塊區域轉化成一幅數字圖象，然後用計算機對數字化纖維圖象做分割處理（即二值化處理） ，找出待分析的纖維，通過快速纖維檢測演算法進行分析計算，測定各纖維組分的平均直徑和根數等主要參數，從而計算出各纖維組分的含量。
  16. With frame gather card and ccd, metallographic image which can be processed by computer is acquired after a serials of the applications of digital image technique such as gray level transformation, dichotomy, noise eliminating, dilation and erosion, image enhancement, boundary detection, etc. an automatic quantitative metallographic analysis system is developed with visual c + + 6. 0 to realize the measuring of the size of the metal crystalline grain, evaluation the proportion of the second tissue of the metal, micro hardness. with three - level browser / server mode and active server technology, the system gives the remote user the applying service through network to communicate and analyze the image information

    利用數字圖像處理技術，對圖像採集卡或ccd攝像頭採集到的金相圖像進行灰度轉換、二值化、噪音消除、圖像增強、邊緣提取等一系列圖像預處理，獲得計算機可以處理的數字圖像；並利用visualc + + 6 . 0開發定量金相分析系統，以實現對晶粒大小、金相組織第二相相對含量、顯微硬度等參量的自動測量；採用基於browser server的三層體系結構，通過網路訪問，並利用activeserver技術給遠程用戶提供應用服務，以便於根據圖像分析結果，給出專家分析意見，實現異地分析及交流。
  17. The main research content of the article is involved as follows : ( 1 ) the research and discussion of the quantitative metallographic analysis methods and the measuring methods of micro hardness. ( 2 ) the application of digital image technique in metallographic image preprocess such as gray level transformation, dichotomy, noise eliminating, dilation and erosion, image enhancement, boundary detection, etc. the application of the wavelet and multi - resolution analysis in metallographic image procession to improve the measuring accuracy and efficiency. the application of the region growth and mathematical morphology in analyzing image parameters to improve the flexibility and exaction

    本文的主要研究內容： （ 1 ）定量金相分析和顯微硬度測量的方法研究； （ 2 ）利用數字圖像處理技術，實現金相圖像的灰度轉換、二值化、噪音消除、膨脹收縮、圖像增強、邊緣提取等預處理；引入小波理論、基於數學形態學的區域生長法對采樣圖像進行分析，實現了對採集圖像邊緣的有效提取，從而提高了測量精度； （ 3 ）開發了金相圖像分析系統的主體結構（硬體結構和軟體結構） ； （ 4 ）採用windows開發平臺的面向對象程序設計語言microsoftvisualc + +進行系統的模塊化設計； （ 5 ）提出了採用多模式的知識表示方法建立知識庫，應用正反推理、模糊數學模型、基於規則的模式匹配模型建立金相分析專家系統。
  18. Whereas there are factors, a kind neotype dynamic balancer system of crank and connecting rod mechanism is researched & developed. against the feature of the balance of the rigid rotator, and applying theory of balances, microelectronic technique, digit signal processing technique, software programming technique and the greatly processing function of computer, it realizes such the functions as sampling signal, digit processing, balance calculation, result display

    鑒於此，本課題研製開發了一種新型的硬支承結構動平衡測試系統，它是針對剛性轉子的平衡特點，並應用轉子平衡理論、微電子技術、數字信號處理技術、軟體編程技術、及計算機強大的處理功能，實現了信號採集、數據處理、平衡計算、結果顯示等多功能於一體。
  19. Key technologies are first introduced here such as the phased array antenna theory, dbf ( digital beam forming ) theory and the configuration of transmit and receive ( t / r ) modules. then part of analog circuitry is optimized with the digital technology. cell circular microstrip disk antenna successfully developed based on the theory of microstrip antenna, the four - celled circular microstrip disk antenna arrays are designed, simulated and analyzed with eda tools - hfss, opt1metrics

    本文以相控陣雷達組成為主軸，逐一對相控陣雷達關鍵技術中的天線陣原理、數字波束形成（ dbf ）技術和收發（ t r ）組件組成進行詳細的分析，利用數字技術對傳統相控陣雷達設計方案中的模擬電路部分進行改進；在理論設計單元圓形微帶貼片天線單元的基礎上，利用微波模擬軟體hfss和optimetrics對四單元的圓形微帶貼片天線陣進行設計與模擬；對相控陣雷達的幅相監測技術進行理論分析和討論，選擇最佳的幅相監測方案。
  20. And the interactive influence of the coaxial diffraction wave components during reconstruction can be eliminated completely by phase - shifting method. this in - line phase - shifting digital holography has been applied to three dimensional microscopy, non - contact measurement, pattern recognition and surface contouring

    這種同軸相移數字全息技術，可以廣泛應用於小尺度三維形貌的快速測量、數字無損干涉計量、圖像識別、顯微成像等領域。
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