路程儀 的英文怎麼說
中文拼音 [lùchéngyí]
路程儀
英文
vialog-
And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the
研究中首次提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀測，設計了根據駕駛員感受度來衡量超車過程的實驗方案，並通過後期數據處理得到了超車過程中兩個重要的可接受間隙參數-可超車車頭時距和可回車車頭時距的臨界間隙值，為定性和定量分析雙車道公路通行能力提供有力的數據支持;同時，還提出了觀測超車率的實驗方法以及測量加速度干擾的實驗方案，統一了計算加速度干擾的時間統計間隔，為雙車道公路的服務水平量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查法和模擬程序中模型參數標定和驗證的數據採集方法。Various sensors that are besotted in the 3d world through vrml can effectively sense all kinds of operators " behaviors ; java byte codes that are besotted in the interface between vrml and java through the " script " node can finish difficult tasks. so the alteration can be concluded as follows : operators touch parts of the shelf, and the java byte codes execute the relative function, finally results are reported to the operators. ( 3 ) through detailed studying the working function of the throttling experiment, i constructed a mathematical model of the experiment and simulated the model
Vrml可以在瀏覽器環境中為3d實驗臺模型添加多種感知器，能夠良好地感知操作者的各種意圖；在vrml和java技術的介面中，可以利用java程序代碼來完成一些復雜的任務，從而實現了實驗的交互：實驗者感知實驗臺的各種儀器，程序完成相應的任務，然後返回相應的結果； 3 ）仔細研究了節流調速實驗的液壓迴路原理，對實驗過程建立了相關數學模型，進行模擬分析並獲得了模擬結果，實現了基於模型驅動方法的虛擬實驗； 4 ）實驗臺遠程訪問的實現。Electronics engineers build their models with breadboard circuits, using the laws of physics to determine expected values for various properties and then precision instruments to measure actual values
電子學工程師通過電路試驗板建造模型，運用物理學法則確定不同屬性的期望值，然後使用精密儀器來測量出實際值。Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test
監測儀能夠完成包括三相電壓、三相電流的有效值、功率因數、三相不平衡、電壓短期閃變、以及20次內的諧波、諧波相位、諧波失真總量等的測量。論文重點介紹了以下幾部分： （ 1 ）電路的總體設計和功能； （ 2 ）硬體設計，包括a d轉換、鎖相環、液晶顯示和按鍵輸入等原理和電路。 （ 3 ）系統軟體設計，包括a d轉換、 fft 、數字濾波等程序的原理和演算法以及上位機監控界面的設計； （ 4 ）系統測試。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，包括先進的數字波面干涉技術和一種基於空間干涉原理的、納米解析度零差干涉儀位移測量方法，同時將多種新穎、工程實用價值高的測量技術和光路如衍射測量、共焦顯微技術、光纖傳感技術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。Operational efficiency of helicopter services between hong kong and macau has been enhanced since the implementation of instrument flight rules ( ifr ) routes and procedures from the beginning of may 2000, a spokesman for the civil aviation department said today ( may 30 )
民航處發言人今日（五月三十日）表示，往來香港與澳門之間的直升機自本月起獲準使用儀表飛行規則路線及程序，有關直升機的服務效率因而有所改善。The exhibits at asian elenex 2002 were equally impressive. for example, deson presented its i - panel, which controls all the home electrical appliances via internet. other new products were samsung s web pad, gelec s car park ventilation - jetfoil system, and anway s indoor air quality measurement equipment, etc
展品多元化，如deson的i - panel ，是一個為家居設計、集合所有傢具電器控制的智能控制器；其他最新推出的產品包括三星電子的智能網路控制板；香港通用電器有限公司的停車場射風扇、以及正佳工程有限公司的室內空氣品質量度儀等。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。It ' s mainly covered the development process of salinity measuring meter of sodium bicarbonate, main characteristics of salinity meter and basic working principles of its circuit
摘要簡要介紹了重堿鹽分檢測儀的研發過程和檢測儀的主要特點及電路基本工作原理。Aiming at the calibration of traffic radar, this paper analyzed shortcomings of conventional calibration method which be used in radar speed gun calibration regulations ( jjg528 - 2004 ) and put forward two new methods to verify it and developed speed standard instrument
摘要針對公路交通中雷達測速儀的檢定問題，分析了《雷達測速儀檢定規程》 （ jjg528 - 2004 ）中規定的檢定方法的不足之處，提出了兩種新的雷達測速儀檢定方案測試數據記錄比對法和測試數據實時比對法，並研製了相應的速度標準裝置（測速誤差0 . 5 % ） 。By thorough analysis and synthetize this paper made a frame of the system of intelligent instrument and its hardware structure. as followed, this paper depicted design details of intelligent instrument " s hardware, it included the design of interface circuit, data commutations and digital logic of dsp, mcu, internet ' s chip and isp ' s apparatus etc., and have designed schematic map and circuit. so it accomplished the full design of hardware / software of the new type intelligent instrument
本文具體給出了新型智能儀器硬體結構及實現，描述了智能儀器硬體設計細節，包括數字信號處理器、單片機、 internet接入晶元、可編程數字/模擬器件等在新型智能儀器中的介面電路設計、數據通信設計和數字邏輯設計等，詳細地給出了設計原理圖和電路圖；給出了新型智能儀器的軟體設計細節，從而完成了新型智能儀器完整的軟硬體設計。Verification regulation of tester for vf selective calling subset
鐵路音頻分機測試儀檢定規程Also analyzed are the problems which possibly occur during the design, assembly and alignment, and the relevant resolution method is given. the co - alignment device of the c02 and ld lasers is designed, and co - alignment adjustment technique is brought forward in this dissertation. and the system of infrared primary alignment is also designed
探討了儀器的整體設計、裝配與調試等各個過程中遇到的問題與解決方法，進行了可見紅外共光路的設計，提出了共光路調整技術並設計了紅外干涉的初調系統，效果良好。This paper first begin with the connotation of virtual instrument technology, study and discuss the criterion and the working theory of usb deeply. on the principle of usb1. 1criterion, using usb interface chip usbn9604 and low consumption mirochip c8051f231, we designed the available interface of usb bus and its controlling software, turn the communicating function based usb bus between computer and testing device. second based on the developed interface of usb bus, using microchip pic16c62 and a mount of relays, we designed the multiswitching scanner and its controlling software to complete the funtion of accesses swithing in testing system. third calling the api function inside the windows using vb programming language, communicat with the impelling program of selected hid, achieve the function of testing instrument with usb interface, complete the development of upside software faced testing. at last, based on the deep studying of pcb testing method, used the developed multiswithing scanner and software faced testing, combinated with necessary testing instrument, we constructed the pcb testing system and analized the testing result simply
論文首先從虛擬儀器的技術內涵出發，深入研究和討論了通用串列總線usb規范及工作原理，並依據usb1 . 1規范，採用usb介面晶元usbn9604和低功耗微處理器c8051f231設計開發了通用的usb總線介面及其控制固件，實現了通用計算機與測試設備之間基於usb總線的通信功能；其次，在所開發的usb總線介面的基礎上，使用微處理器pic16c62和多路繼電器開關，設計開發出實現測試系統中測試通道切換功能的多路通道掃描器及其控制固件；再次，採用vb語言編程，調用windows內部api函數，與選定hid類驅動程序進行通信，實現usb總線介面測試儀器功能，完成面向測試的上層軟體開發；最後，在深入研究印刷電路板測試方法的基礎上，利用已開發的多路通道掃描器和面向測試軟體，結合必要測試儀器組建印刷電路板測試系統，並對測試結果進行了簡要的誤差分析。This paper introduces a testing dilative instrument, including hardware design and softwere design, it introduces testing principle and system in the hardware design and the circuit chart is given ; the procedural flow chart is given in the software
摘要介紹了一種膨脹率測試儀器的硬、軟體設計，在硬體中介紹了測試原理及系統組成，並給出了控制電路原理圖；在軟體設計中給出了程序流程圖。A dvordme standard international civil aviation organisation ( icao ) radio navigational aid that provides bearing and distance information to aircraft and to define air traffic control routes for en - route, terminal and instrument approachdeparture procedures
這是國際民航組織指定的標準無線電導航設備，向航機提供方向及距離的資料，以確定航路、終端區程序、儀表進場及離場程序等。Doppler very high frequency omni - directional range and distance measuring equipment ( dvordme ) system standard icao radio navigational aids used to provide bearing and distance information to aircraft and to define air traffic control routes for en - route, terminal and instrument approachdeparture procedures
這是國際民航組織指定的標準無線電導航設備，可向航機提供方向及距離的資料，並可以確定航路、終端區程序、儀表進場及離場程序等。It is very important to design the gauge head which can be hand - held. then the sensor is developed, and signal processing circuits and control program are designed
重點設計了能夠手持的專用柔性鉸鏈測頭，同時進行了傳感器的研製，二次儀表電路以及控製程序等的設計。" with the implementation of the ifr procedures, pilots can utilise signals from ground navigation aids and fly along the designated ifr routes even when the visibility precludes visual flights. the regularity of the helicopter service between hong kong and macau is therefore improved, " the spokesman said
他說：儀表飛行規則程序獲準使用后，即使能見度低至不可能靠目視飛行，飛行員仍可根據地面導航儀器所發出的信息，以設定的儀表飛行規則路線飛行，令來往港澳之間的直升機服務更有規律。With a normal process flow, what is the standard labor time required to produce an order of 8 circuit boards ( one panel ) ? of 40 circuit boards ? of 800
正常工藝流程下，製造8個定製電路板（儀表盤上的）需要的標準勞動時間是多少？ 40個呢？ 800個呢？分享友人