照相計時器 的英文怎麼說

中文拼音 [zhàoxiāngjìshíqì]
照相計時器 英文
phototimer
  • 照 : Ⅰ動詞1 （照射） illuminate; light up; shine 2 （反映） reflect; mirror 3 （拍攝） take a picture ...
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 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...
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 照相 : 1 （拍照） take a picture; take pictures; take photographs; take photos; photographing base; phot...
  • 計時器 : calculagraph; time meter; chronoscope; timer; time market; time totalizer; elapsed timer; running...
  • 計時 : reckon by time; timing; chronography
  1. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。
  2. Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect

    在實際設計實現中，為提高系統軟、硬體整體穩定性和可靠性，使用了以下幾種方法： （ 1 ）低電壓復位、抗電源抖動能力、增加時鐘監測電路、抗電磁干擾能力、散熱等技術； （ 2 ）多層pcb設計，線路板結構緊湊，電源部分採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電； （ 3 ）選用表面貼和bga封裝的器件； （ 4 ）按照軟體工程的要求進行系統分析，規劃系統框圖、流程分析、模塊劃分，減小了不同模塊的相關性，從而最大限度避免了錯誤的發生。
  3. On the premise that the basal transducer layout was designed according to the requirements of deep - sea exploring surroundings and technology on the basis of the hardware structure and data collecting ways of interferometric sonar, the echo signal by energy relativity search is analyzed and calculated, altitude data of the tiny terrain on the seabed under real - time irradiation of ultrasonic is gained as to provide parameters of best cutting depth for intellectualization of the seabed mining vehicle timely and promptly

    摘要在相干聲納硬體結構及數據採集方式的基礎上，結合具體的深海鈷結殼探測環境和技術要求，確定了換能器基本布局，探討了信號採集與處理方法，利用能量相關搜索法對回波信號進行分析和計算，得出超聲波實時照射下的海底表面微地形高程數據，為海底采礦車智能化開采提供實時、快速的最佳切削深度參數。
  4. Firstly, the system is divided into many modules according to different point of view ; secondly, to the hardware equipment - vidicon, lenses, revolver, shield and decode device, their principle of work has been explained ; thirdly, according to image identification experience and other indexes of the system, the focus of the lenses and relative aperture are calculated, and the type of the camera is confirmed, at the same time, the energy of infrared lamp is also computed in the thesis ; at the same time, synthesis control box is devised

    首先，按照角度的不同，將系統劃分成許多模塊。其次，對硬體設備? ?攝像機，鏡頭，雲臺，防護罩，解碼器等的工作原理進行了闡述，再次，以人的成像辨認的經驗判據為依據，結合系統的其它指標，設計計算出鏡頭的焦距f 、相對孔徑d ，同時確定攝像機的型號，並計算出紅外燈光源。最後，對綜合控制箱進行設計，指出了設計的意義，實現的功能，並附上了綜合控制箱的外形圖。
  5. The sample with low emitter efficiency has completed as the method of above. this lead to the greatly decrease of the reverse recovery time and the low reverse leakage and forward voltage, especially the excellent temperature character of the leakage. the test date shows that the samples reach the first class of international level

    本論文作者通過模擬測試，驗證了課題研究的理論設想，並設計製作了具有低陽極發射效率結構的高壓功率frd ，利用局域鉑摻雜和電子輻照相結合的壽命控制方式，實現器件反向恢復時間的極大減小，並且反向漏電流、軟度因子、正向壓降等關鍵參數也較理想，且具有極佳的漏電溫度特性，達到器件綜合性能的優良折衷，達到國際先進水平。
  6. This experiment adopts the theory of similarity as theory foundation, adopts arq number as criteria of similarity, designs and makes physical model according that geometric scale is, selects experiment instrument and setting

    標準機組段分層空調模型試驗以相似理論為理論基礎，採用熱量阿基米德數arq作為該試驗的相似準則。按照的幾何比例尺以及其他制約條件設計並製作其物理模型，同時完成測試儀器選配和測試輔助裝置的建立。
  7. On the one hand, we separate the system into four apartment, basic database, quoting for tenders, the document management and consumer information management, on the other hand, we are going on the logic design for the database in detail according to the requirment. we design the database ' s physical structure and distributing according to client end / server mode. we design the database equitment and the database with microsoft sql server

    在應用軟體開發上，按照客戶端服務器模式設計出數據庫的物理結構及分佈，在microsoftsqlserver上建立了數據庫設備及數據庫；在程序編碼上，採用面向對象和生命周期法相結合，開發出滿足功能設計的應用軟體，並在用戶的應用測試中不斷修改完善，同時給出相應的技術文檔；在開發平臺的選擇上，主要用powerbuilder作為前端開發工具。
  8. We design the physical structure and distributing according to client end / server mode in physical design and implement of the database, and design the database equitment ang the database with microsoft sql server, and establish the diagram structure with powerbuilder method ; we design the diagram coding combining object - oriented method with life cycle method. the software is improved by testing in daqing esp company. we also give the technological document

    其中數據庫物理設計與實施按照客戶機/服務器模式設計出數據庫結構和分佈，在microsoftsqlserver上建立數據庫設備及數據庫，在powerbuilder中建立表結構，載入調試數據；程序編碼採用面向對象和生命周期法結合的方法開發滿足功能設計的應用軟體，並在用戶的應用測試中不斷完善，在編碼過程中同時給出相應的技術文檔。
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