精密計數器 的英文怎麼說
中文拼音 [jīngmìjìshǔqì]
精密計數器
英文
precision counter- 精 : Ⅰ形容詞1 (經過提煉或挑選的) refined; picked; choice 2 (完美;最好) perfect; excellent 3 (細)...
- 密 : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
- 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 : 數副詞(屢次) frequently; repeatedly
- 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
- 精密 : precise; precision; accurate
- 計數 : count; tally; counting計數卡 numbered card
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This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims
對高壓背壓式氣動測量用於小量程線性尺寸測量的靜態特性曲線的理論工作拐點進行了推導,對氣動測量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計,對主噴嘴和測量噴嘴的不同組合,將影響測量系統靜、動態特性指標的噴嘴參數進行了對比實驗和優化設計,並通過實驗驗證了理論推導,從而使氣動測量系統量程的示值范圍達到40 m ,靈敏度達到100mv m ,解析度達到0 . 05 m ,測量不確定度小於0 . 2 m ,滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分組的要求。This thesis described fuel management system theory and system reliability design to set forth system fuel management general design thought. many technical details are discussed in the thesis such as : fuel quantity measurement, fuel mass character calculation, fuel density measurement, the accuracy of fuel quantity measurement, the optimum location of fuel gauge probes in the fuel tank. the author brings forward a new method which is based on the software of catia to calculate fuel mass character
本文對燃油管理系統的工作原理和可靠性設計等問題進行研究,以明晰燃油管理系統的總體設計思路;並對數字式燃油量測量、燃油質量特性計算、燃油密度測量、提高燃油量測量精度的措施、油箱油量傳感器安裝位置優化等具體技術展開研究;提出了一種基於catia軟體的燃油質量特性計算方法;論文最後探討了燃油管理系統的未來發展方向。Digital temperature transmitter, digital level, explosion - proof electric contact manometer figures generally used manometers, vacuum table, table vacuum pressure, oxygen forms of electric contact manometer, explosion - proof electric contact manometer seismic contact ammonia electricity connections. contact monometers assisted magnetic, seismic, heat - resistance, acid and alkali resistance, chlorine, sulfur - resistant, stainless steel pressure gauge. divide manometer shenyang city, the total, precision manometer, out of the wind pressure gauge, film boxes pressure gauge, diaphragm pressure gauge
主要產品包括:數字壓力表,數字膜盒壓力表,數字溫度表,數字壓力變送器,數字溫度變送器,數字液位計,數字防爆電接點壓力表,一般用壓力表真空表壓力真空表氧氣表電接點壓力表防爆電接點壓力表耐震電接點氨用電接點磁助式電接點壓力表耐震耐高溫耐酸耐堿耐氯耐硫全不銹鋼壓力表隔膜壓力表沈陽市優質產品精密壓力表出風壓力表膜盒壓力表膜片壓力表全不銹鋼膜片壓力表鈦壓力表及出口全不銹鋼,充油全不銹鋼系列壓力表,壓差表,壓力變送器,各種軸向軸向帶邊法蘭連接等多種形式。Fairly good chaos map, which is of high performance and be implement easily is selected. with the introducing of appropriate perturbation aimed to change the initial conditions, we may enlarge the chaotic sequence period under finite precision in practical applications. mixed chaotic model is constructed by combining logistic sequences and m - sequences in form of exclusive - or. and we, by adding two mixed chaotic model, constructed double chaotic system to generate the key generator, which provides with excerllent cryptographic properties
本文利用混沌技術,通過對混沌映射的選取,選取出了易於實現,且性能優良的混沌映射;通過初始參數的加擾,使有限精度下混沌的短周期行為得以改善;通過利用混沌序列與m序列異或構成了混合混沌序列,在混合混沌序列的基礎上構造出了雙混沌系統,從而提高系統的抗破譯能力,設計出了混沌序列密鑰生成器。The basic technologic scheme on microwave transmission, currently maturate and advanced microwave transfer technology and equipment, efficiency slot gap antenna, character quality filter, mixer, exact crystalloid concussion apparatus, power backspacing technology, pre - distortion adjustment. furthermore, the technologic schemes practicing using multilevel microwave transfer technology in some areas such as lengshuijiang is introduced in the paper
採用了當前比較成熟、先進的微波傳輸技術和設備,如高效的縫隙天線、高品質濾波器、混合器、高精密的晶體震蕩器、功率回退技術、預失真校正技術,結合工程實際,設計了湖南電廣網路33家合資公司的mmds無線微波數字電視覆蓋的基本技術方案,和個別地區(冷水江市數字微波工程)的多級微波傳輸的具體技術方案。For the purpost of thin and even wall thickness distribution, and mass production dialy, the molds for food packaging materials, such as pudding cup, airline cup, jelly cup, closeure, pet preform. . etc., have to be designed combining precision and hardness with hot runnet system in structure
許多食品包裝器皿,如布丁杯、航空杯、果凍杯,瓶蓋、 pet瓶瓶胚等,由於其成品對于厚度及均勻度之要求相當嚴格,同時每日需生產龐大數量,因此其模具在結構上必須要求具有精密度高、硬度大、使用熱澆道系統等設計方可達到目的。The main contents to be studied and solved are shown as follows : designing scheme of the error compensation system, studying and designing the signal conditioning circuit, designing the data - acquisition circuit, designing and realizing the max1457 software development system. the compensating circuit is designed in virtue of the signal conditioning chip max1457 as its core. the data - acquisition circuit is designed in virtue
硬體方面,根據總體方案設計了以信號調理晶元max1457為核心的補償電路;以max1401為核心的數據採集電路,用來採集傳感器的電橋電壓和max1457輸出電壓;設計了max1457電源電路, max1457的電源電壓是失調dac和靈敏度dac的參考電壓,採用了ad586給max1457提供精密5v電源電壓。Abstract : the new technology of cross wedge rolling has been using in production of blank forming of oil ejector body
文摘:介紹了一種楔橫軋制坯?精密模鍛成形噴油器殼體毛坯的新工藝,及楔橫軋模具設計工藝參數的選取。It utilizes the computer digital image processing technology. and this system can measure the characteristic parameters automatically and quickly, such as luminous intensity, center of far light, corner of the close light. the advantage is high accuracy, good repetition and automatic measurement
此系統採用多維精密可調工作臺,並利用計算機數字圖像處理技術,以vc + +編程實現,達到了自動測量出被測校準器的發光強度,遠光中心坐標,近光拐點坐標以及光軸偏角等特徵參數的目的。Based on analysis of the forces exerted to seeds in metering device during working procedure, the theoretical calculation equations for beginning and end angles of seed cleaning in scoop metering device with declined disc were established, and the impact of construction and working parameters on seed filling and cleaning were investigated
摘要以排種器工作過程中種子的受力分析為基礎,建立了排種器清種起始角和清種結束角的理論計算公式,分析了傾斜圓盤勺式精密排種器結構參數和工作參數對充種和清種性能的影響。This design adopt resonate sensor as its temperature sensor, which is a digital sensor with low cost, high precision, high stability
本設計採用的溫度傳感器為諧振式水晶傳感器,它是一種低成本、高精密、高穩定的數字傳感器。The topic is from the national " 973 " project " the new principles and methods of high - performance electronic components of digital product design manufacturing ". closely combing with the high - speed high - precision planar parallel position robot developed by the project, we have carried out a deep research on robot control system architecture, time - optimal control algorithm and servo system control algorithm, achieving high - speed and high - precision point to point control and trajectory tracking control
本課題來源於國家「 973 」計劃項目「高性能電子產品設計製造精微化數字化新原理和新方法」 ,密切結合該項目所開發的高速高精度平面並聯定位機構,對機器人控制系統體系結構、時間最優控制演算法以及伺服系統控制演算法進行了深入的研究,實現了高速度、高精度的點位控制和軌跡跟蹤控制效果。The structure, algorithms, and applications of fuzzy control and ann control system is systematically studied. taking the oil cooler heat transfer characteristics measurement system as the research object, this paper present the hardware design method, and uses visual c on the windows as the tool to implement the fuzzy ann control algorithm. this software also implements temperature real - time control, date collection, analysis and processing, and automatic drawing as well as print
本文以內燃機機油冷卻器測試系統精密溫度控制為研究對象,設計出了符合高精度溫度控制的機械裝置,在windows平臺下用visualc + +作為編程工具開發出了基於模糊神經網路的精密控溫系統及其應用軟體,實現了精密溫度的實時控制、數據的採集、分析與處理和自動繪圖列印等功能。That the common amplifier count rate is low, temperature voltage drift is very good, the machinery adjustment is rough and instability, in order to overcome these shortcomings ; we use digital potentiometer relay x9511 and precise operational amplifier op37, the electric circuit structure become simple
為了克服一般放大器計數率低,溫漂大,機械調節粗糙不夠穩定等缺點,使用了非易失性數字電位器x9511和精密運放op37 ,使電路結構大大簡化。The system is composed of a laser scanning comprehensive measuring instrument, rotate and linear movement servo - control systems, a main fine mechanic system, a main controller, a real time controlling and data processing system by computer
該系統主要由激光掃描綜合測量儀、回轉與直線運動伺服控制系統、主體精密機械繫統、主控制器和計算機實時控制與數據處理等系統組成。The background of rapidly developed uhsm ( ultra high speed machining ) technology is introduced and the key function of the uhs ( ultra high speed ) motorized spindle to uhsm is discussed in the thesis. after analyzing international technology status and trend of the uhs motorized spindle study, we research the core technologies related to the uhs motorized spindle in detail, such as optimized design of the motorized spindle structure, high speed bearing technologies, oil - gas lubication technologies, precision machining and assembly technologies, design and manufacture technologies of the built - in frameless motor etc. then the digital simulation of the motorized spindle sensor - less vector control system is studied thoroughly
本文從超高速加工技術飛速發展的背景出發,討論了超高速電主軸對超高速加工技術發展的重要作用和意義;分析了超高速電主軸研究的國內外現狀及發展趨勢;詳細論述了超高速電主軸的關鍵技術,包括電主軸結構優化設計、高速軸承技術、油氣潤滑技術、精密加工與精密裝配技術以及內裝式電機設計製造技術等,並深入研究了超高速電主軸無速度傳感器矢量控制系統的數字模擬技術。Our company is a specialization enterprise with the research, exploitation ; design and produce of ballscrew support - unit, in control of ballscrew support - units produce key technologies, procured the state patent which used in the numerical control mechanism, cnc, precision electron equipment, autoimmunization equipment, hardware mechanism, medical treatment appliance and so on widely
本公司是集滾珠螺桿支撐座的研究、開發、設計和生產於一體的專業化企業,掌握了滾珠螺桿支撐座的製造核心關鍵技術,並獲國家專利,產品廣泛應用於數控機械、機床、精密電子裝置、自動化設備、五金機械、醫療器械、等行業!In the calibrating process, complicated measurement is avoided and the calibration is fast and easy to carry out, which simplifies the calibrating procedure. the experiment results show that the space measurement accuracy is better than 0. 15mm
這種參數分離法避免了標定過程中對空間點坐標的測量過程,不需要復雜精密的測量設備,計算速度快,試驗表明傳感器的精度達到0 . 15mm 。A robust h _ asac system for enclosed space structural sound radiation is build up for the first time, which is based on the tms320c30 dsp board. the robust h _ controller has been designed through the elections of the performance weighting function and the robust weighting function
它採用精密聲級計做為聲傳感器、激振器做為作動器,通過對性能加權函數和魯棒加權函數的選取,設計了相應的魯棒h _控制器。In this paper, analyzing and designing a high - speed video collection and processing system which is applied to the dynamic realtime image - dection sub system of the floating - precision tracking platform ( fptp ). and discussing the key technology in the video signal processing field, such as digital signal processing, cpld / fpga and dma
本文基於某國防項目浮空精密跟蹤平臺的研究與設計,通過對該系統的動態目標實時圖像檢測子系統中高速視頻採集處理平臺的分析與設計,討論了現代視頻採集與處理系統中通常採用的一些關鍵技術,如數字信號處理晶元、大規模可編程器件、 dma傳輸。分享友人