矢量裝置 的英文怎麼說

中文拼音 [shǐliángzhuāngzhì]
矢量裝置 英文
vf vector facility
  • : Ⅰ名詞1. (箭) arrow 2. (尿) excrement; dung; feces 3. (姓氏) a surname Ⅱ動詞(發誓) vow; swear
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : Ⅰ名詞1 (服裝) dress; outfit; attire; clothing 2 (演員的化裝品) stage makeup and costume Ⅱ動詞...
  • : 動詞1. (擱; 放) place; put; lay 2. (設立; 布置) set up; establish; arrange; fix up 3. (購置) buy; purchase
  • 裝置 : 1 (機器設備的配件)installation; device; apparatus; equipment; arrangement; gear; appliance; rig...
  1. Vector scan electron beam system

    掃描電子束
  2. Through consulting lots of relevant references, present research of direct drive volume control hydraulic servo system is summarized in this paper, the principle and character of this system are expatiated, the principle of vector control is introduced. at the same time, the mathematical model of ac asynchronous motor is set up based on the vector control theory. the mathematical models of both the pump controlled motor and pump controlled cylinder are set up and simulated in this paper

    在查閱大國內外相關文獻的基礎上,本文綜述了國內外對該系統研究概況,闡述了該類系統原理和特點;闡述了控制的基本原理,並基於這一原理建立交流異步電動機的數學模型;分別建立了泵控馬達系統和泵控缸系統的數學模型,並給出了模擬分析;設計了用於泵控馬達系統的集成閥塊,加工了密閉壓力油罐;針對現有直驅式電液伺服所存在的問題,本文主要針對系統工作過程中所產生的噪音與爬行問題進行了一定的研究。
  3. Dsps is used to accurately detect the moving area of multi - moving objects and information of their geometrical position in the system, at the same time, it pick up the parameters of geometrical feature, gray feature and planar velocity of each area, at last, we integrate the techniques of multi - moving objects detection and construct a self - adapted system to track multi - moving objects. the camera is controlled to keep the object in its field of view. therefore we achieve a real time system to track the multi - moving objects in the complex scenes

    本系統利用dsps精確檢測出多運動目標的運動區域及其幾何位信息,並對各個運動區域進行幾何特徵參數、灰度特徵參數和運動速度參數的提取,最後根據這些特徵參數值結合多目標運動狀態檢測技術構建了多運動目標自適應跟蹤系統,並根據已經計算出的運動目標的速度,通過雲臺控制攝像頭的轉動,使得特定運動目標始終位於攝像機的視野中,從而完成對復雜背景中多個運動目標中特定目標的實時跟蹤。
  4. The research on autonomous navigation and orbital keeping technology of geosynchronous satellites : selecting position vector in the inertia space and longitude, latitude, radial errors in the hill equation as state variables, the precision of orbit determination caused by track dynamic model error, sampling period, and sensor measurement and install error is analyzed

    同步衛星自主導航與軌道保持技術研究:分別選取慣性空間位和採用hill方程表示的經、緯、向徑誤差作為狀態,分析軌道動力學模型誤差、采樣周期以及敏感器測、安等誤差對定軌精度的影響。
  5. In this paper, based on understanding and mastering image processing, we input the drawing into the computer by the image conversion, then automatically get and recognize the element by the method of the image processing and pattern recognition. at last, on the base of the understanding of the whole drawing, we will transform the information of the picture and the character to the vector format, on which we can make the vivid courseware

    本文在理解和掌握圖像處理主要技術基礎之上,主要討論通過圖像轉換將圖紙輸入到計算機,運用圖像處理、模式識別等理論和方法進行圖像中各種要素的自動提取識別,在實現對整幅圖紙理解的基礎上,自動將圖紙和符號信息轉換為數據格式。
  6. The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced

    論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況,在回顧電梯液壓控制系統節能技術的基礎上,介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理,分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式;詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計,重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償的設計、蓄能器-泵馬達壓力能轉換的設計、多功能集成控制閥組的設計等內容;最後簡單介紹了本課題控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。
  7. In this paper, a new control strategy based on the adaptive deadbeat voltage space vector is presented. this control scheme has a lower sample frequency and a smaller difference between switch frequency and sample frequency. it has many advantages, such as producing zero vectors organically, tracing exactly, non - shaking, etc. and its dynamic response is better

    對于電能質調節器來講, pwm跟隨指令參考信號的控制性能在很大程度上影響著的補償效果,本文選擇無差拍電壓空間控制為系統控制策略,這種控制方法具有采樣頻率低,開關頻率與采樣頻率的差距小,能有機地產主零、跟蹤精確以及無抖振等優點,動態響應快。
  8. In this paper, the backward simulation was summarizd at home andabroad, the characteristics of shell nosing were introduced, the theory and scheme of backward simul - ation of shell nosing was constructed, the determined methods of the boundary conditions were put forward in backward simulation for the processes of shell nosing

    論述了推力控制技術是提高空空導彈性能的核心技術,介紹了常用的三類推力矢量裝置,著重討論了燃氣舵式和擾流片式推的特點、設計方法、性能及其優缺點.在此基礎上,研究了適用於氣動力/推力復合控制的變結構控制系統及其開關函數的切換條件和飛行控制系統框圖.最後綜述了推力矢量裝置在第四代空空導彈上的應用情況
  9. Unbalance vector measuring device

    不平衡
  10. The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. the profiles of density, velocity, temperature, pressure and mach number can be obtained by the computation. the computation grid and some computed results are given here. the test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly. some working phenomena of the arcjet are observed and discussed. three different kinds of instability appeared in the process of the experiments. except some important parameters are measured, it is found that the operating stability of argon is better than that of nitrogen

    對一實驗電弧加熱式發動機二維軸對稱亞跨超音速流動進行了數值模擬,所採用的方法是分裂演算法.通過計算可以得出密度、速度、溫度、壓力和馬赫數的分佈.給出了計算所使用的網格和一些計算結果.簡要介紹了實驗所使用的設備,如電源系統、點火系統、推進劑供給系統、電弧加熱式發動機、推力測和真空系統.對所觀察到的一些工作現象進行了討論.有三種不同的不穩定性出現于實驗過程.除了所測的一些重要參數,通過實驗發現氬比氮工作更穩定
  11. We also discuss the design of cavity that is used in experiment 、 means for how to stir electromagnetic wave and choice of diameter / length ratio for cavity. final, we have made an experiment to cigarette with apparatus made up of vector network analyzer ( vna ) and cavity that is designed by ourselves, regressed the equation with matlab software, analyzed measurement errors, put forward some means that reduce measuring error

    最後,使用自己設計的諧振腔和網路分析儀搭成的實驗對卷煙進行了密度測實驗研究,並用matlab軟體對測數據進行了回歸擬合,建立了密度測的方程,並對測誤差作了分析,提出了進一步減小誤差的途徑。
  12. In this paper, a feasibility study of the random space - vector pulse width modulation ( pwm ) scheme is reported aiming at the noise reduction by power inverters

    針對交流調速中的噪聲問題,論文研究了一種新興的pwm技術- - -隨機空間pwm技術。
  13. First, the dsp board calculates optical flows ( the velocity field of an image ) based on the gradient method. next, the region of the moving object on the image is extracted from the optical flows using knowledge about the region of the object, such as region - merge arithmetic, region - connection arithmetic or clustering arithmetic. finally, the camera is controlled to keep the object in its field of view

    我們建立了一個基於tms320c6701的dsps系統,首先求解出基於梯度方法的光流場(原始圖像的速度場) ,然後根據區域合併、區域連通或聚類演算法等方法從光流場中抽取出運動目標區域,並計算出運動目標的速度,進而通過雲臺控制攝像頭的轉動,使得運動目標始終位於攝像機的視野中,從而完成對復雜背景中單個運動目標的實時跟蹤。
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