調換測量法 的英文怎麼說

中文拼音 [diàohuànliáng]
調換測量法 英文
transposition method of measurement
  • 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
  • : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 調換 : 1 (彼此互換) exchange; change; swap 2 (更換) conversion; 調換測量法 transposition method of m...
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  1. Optical 3 - d profilometry has been widely used for 3 - d sensing, machine vision, intelligent robots control, industry monitoring, biomedicine, dressmaking, etc. several 3 - d object profilometry methods, including moire technique ( mt ), phase - measuring profilometry ( pmp ), fourier transformation profilometry ( ftp ), modulation measurement profilometry ( mmp ) have been exhaustively studied

    光學三維傳感已廣泛應用於機器視覺,實物仿形,工業檢,生物醫學等方面,在三維面形中,對莫爾輪廓術,位相輪廓術,付里葉變輪廓術,調制度輪廓術這些方已經進行了大深入的研究。
  2. In this method of measuring time - resolved spectrum, a special light beam modulator translates the time - distribution of an optical spectrum into a space - distribution of light intensity of the light beam, and the space - distribution spectrum is dispersed by a multi - spectrometer, then it is detected by an ordinary 2 - d ccd array detector

    瞬態時間分辨譜的主要思想:使用特殊光束調制器把光譜隨時間的變化過程轉化為光強的空間分佈,經色散后,以二維探器接收並轉光信號為電信號,用通用計算機控制採集並處理光譜數據。
  3. This paper mainly analyzes control delay at urban signalized intersections. based on the survey data, this paper talks about vehicles movement characteristics of arrival and depart process, then the queueing headway distribution is obtained, and the suggestion that saturated flow should be measured from the sixth queuing vehicle is offered. using random process theory analysis and computer simulation, the queuing length distribution model is obtained

    本論文針對平面信號控制交叉口的延誤問題進行了分析,在實數據分析的基礎上,探討了車輛到達過程和離開過程的運行特性,給出信號交叉口排隊離散車頭時距分佈模型,提出飽和流率的應從第六個離開的排隊車輛算起;運用隨機過程理論和計算機模擬的方得到了信號交叉口排隊長度分佈模型,在此基礎上運用協調的方改進了車輛延誤模型。
  4. 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;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。
  5. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:原理的研究和在系統中的實現,在本次設計中用三種方來進行水位,分別是旋轉編碼器、液位壓力傳感器和可變電阻器;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉和在單片機內的運算;高集成度16位模數轉晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  6. In the base of investigating and analyzing to working theory, measure methods and relevant standard, the text processes particular analyses to the working theory of billing system and reason of making billing wrong and puts forward technology index and measure method that can externally evaluate the capability of billing system and is suit to the situation of our country. some indexes and measure way are put forward for the first time ( example error of call clock, time error and measure method to moving exchanger ' s billing system. ) through analyzing telecom charging way, charging users, charging point and charging methods of telecom basic and all kinds value - added operation and utilizing the newest measure apparatus, modern measure technology, communication technology and probable method, this text puts more scientific, efficient and easily operated measure methods and process a uncertain analysis to measure methods

    本文在調查和分析國內外局用交機計費系統工作原理、檢和相關標準的基礎上,對計費系統的工作原理和產生計費錯誤的原因進行了詳細的分析,提出了適合國情的能夠客觀評價計費系統計性能的技術指標和檢,有些指標和檢在國內相關資料中屬首次提出,如通話計時誤差和時刻誤差和對移動交機計費系統的一些檢;本文通過對電信基礎業務和各類增值業務的計費方式、計費用戶、計費點和計費方的分析,利用國內外最新檢儀器、現代檢技術、通信技術和概率統計方,提出了較科學、有效和利於實施的檢,並對檢結果的不確定度進行了分析。
  7. The main achievements are as follows : the theory models of defect mfl field are set up ; based on the magnetic dipole model and finite element model, the distribution of defect mfl field is simulated in the dissertation ; the component of flux density ( magnetic filed ) parallel to the surface of pipe is detected by a circumferential array of hall probes ; the factors including defect geometry parameters, defect surface angle and shape, pipe material, field intensity, vehicle velocity, background magnetization, operating pressure and remanent magnetization and so on influence the mfl signal characteristics

    採用霍爾元件作為缺陷漏磁檢傳感器,獲得管道軸截面漏磁場切向分的漏磁信號;研究了缺陷外形尺寸、缺陷傾角和形狀、管道材質和磁化強度、檢儀移動速度、管道背底磁場、管內壓力和剩磁對漏磁信號的影響。提出了各通道增益放大、各路漏磁信號偏離調整、波形微分、數字濾波和平滑等漏磁信號預處理方;分析了等空間采樣的漏磁信號轉為等時間采樣信號的必要性,研究了漏磁信號的小波去噪方
  8. To satisfy the experiment request, the equipment generating magnetic field and the angular instrument are improved. for light wave from semiconductor laser is infrared wave in the experiment, the calibrating measurement utilizing visible light from he - ne laser is used. firstly the light path is adjusted using visible light roughly

    在搭建系統時,根據實驗要求對磁場儀(小磁場時的穩定性)及摘要第2頁角儀(精度)進行了改進;在調整光路時, (又據使用的紅外激光光源的特點,採用了先利用he ne激光器的可見光波粗略校準光路,然後用半導體激光器精確校準光路的方
  9. For bilateral symmetry objects, the techniques on symmetry - point detection and symmetry - axis extraction are presented based on harmonic conjugation relationship. for rotated symmetry objects, the techniques on rotated units description and rotated symmetry center extraction are presented based on center invariants of objects. further more, by using 3d invariants and 2d projective transformation, an approach to recover shape from part symmetry objects is realized on some conditions

    ( 3 )深入分析了2d對稱性目標透視成像的幾何特點,將共點四線交比用於目標輪廓上的關鍵點的特性描述中;利用調和共軛關系,提出了一種針對左右對稱型目標的對稱點檢和對稱軸提取的演算;利用交比關系構造了目標的形心不變,提出了一種針對旋轉對稱型目標的旋轉對稱單元判定、旋轉中心提取的演算;進一步利用3d不變和2d射影變,實現了一定條件下的對稱性目標的形狀恢復技術。
  10. On such a basisthe commonly used monomial error accumulating totals correction method is introduced. the author proposes a coordinate transformation method to deal with its drawbacks of maths model imperfection, not applicable to lange - angle deviation and adding to the difficulties of equipment. while orientating the order of matrices according to the principle of the accordance between coordinate ' s rotating order and the physical process of device measuring, a strict maths model of the influence of axis system deviation on surveying angles is concluded and the corresponding correction method is induced. its far - reaching meanings are as follow : ( 1 ) the maths model of the influence of axis system deviation on surveying angles established by the new method is concluded after considerations for the three deviations simultaneously. changes under all circumstances are included, so it is theoretically a perfection of maths method

    在此基礎上介紹了國內目前採用的軸系偏差對角影響的經典改正方?單項差累計改正,並針對該方存在的數學模型不完善、對大角度偏差不適用、增加設備調整難度等缺陷,提出採用坐標變,並根據坐標的旋轉次序與設備的物理過程相符合的原理定位各矩陣的先後順序,推導出了軸系偏差對角影響的嚴格數學模型,歸納建立了相應角的改正方
  11. The engendering source of traffic volumes and their general influential factors have been presented, and the situation of nowadays highway transportation has been discussed. according to the introduction of traffic distribution theory and classical assignment method, analysis of traffic flow path selection among cities and that of special influential factors for traffic flow on toll highways, initial analysis to the forming mechanism of traffic volume on road sections has been made, and a probability model for path selection has been set up with the maximum - utility theory and disaggregating model. detailed analysis to impedances on road sections and their functions ( especially to three main composing factors of the impedances as cost of time, transport and toll and to the functional relations with traffic loads ) was made, at the same time, the relative cost calculating model was set up on the basis of the state - of - art achievements in both international and national researches

    主要研究內容包括:交通的產生根源及一般影響因素分析和當前公路運輸地位討論;從交通分配理論及經典配流方著手,通過分析城市間交通流路徑選擇行為和收費公路路段交通特殊影響因素,初步提出路段交通的形成機理,並採用效用極大原理和非集結模型理論( disaggregationmodel ) ,建立用戶出行路徑選擇概率模型;對路段阻抗及路阻函數(尤其對行程時間費用、車輛營運費用和道路收費這三個構成路段阻抗的主要因素及其與交通負荷間的函數關系)進行較為詳盡的分析,並以現階段國內外較為先進的研究成果為依據建立相應的成本算模型,其中,特別提出了兩種確定客貨車輛時間價值的分析方;離散分析和時間-費率轉,後者是在目前基礎調查、統計數據資料不夠齊全的現實下提出的一種確定道路系統內務車型時間價值的較為實用的新方;對我國公路收費政策的背景和理論、實踐依據及費率的各種影響因素進行重點分析;從數學的角度證明合理費率的存在性,並以最優化理論為基礎,建立在普通收費公路和擁擠路段交通調控型收費公路兩種模式下合理費率的計算模型等。
  12. There are some differences between air conditioning rooms and natural ventilation ones ; the same situation exists with their thermal comfort requirements. the paper, aiming for thermal environment characters of residential buildings in cold zone, in the first times by means of fuzzy evaluation, puts forward a fuzzy evaluating model of the thermal feelings in a natural ventilation room of residential houses, which is mainly based on studies of the subjective feelings from people living in such curtain houses and measures of objective data from investigation with questionnaires

    本文針對寒冷地區居住建築熱環境特徵,以實際居住建築中的人體主觀感覺為研究對象,伴隨客觀參數的問卷調查手段,首次以模糊評價方給出居住建築自然通風房間熱感覺的模糊評判模型,在此基礎上給出熱環境綜合評價指標;針對居住建築空調開啟特性,根據住宅自然通風與空調臨界轉條件,提出能耗修正系數以便對此類建築的能耗進行正確科學的評價。
  13. By using the operation circuit, the drive voltage of f - p in feedback can automatic trace the reflected fbg wavelength. not only had an extraordinary wide demodulation range of frequency achieved, but also a problem solved that when the sensing probe is changed, the sensor has the ability to automatic adjust the drive voltage of f - p to keep up with the dramatic change of the reflected fbg wavelength

    本文中創新性地提出了「自動跟蹤」的概念,利用光電系統中的運算電路,不僅能夠自動跟蹤調布里腔的驅動電壓、在保證精確度的同時有效地提高該傳感系統的解調頻率范圍,還有效地解決了在范圍內有時需要更傳感探頭的重新調諧問題。
  14. Some valuable conclusions are summarized by theoretical analysis and simulation experiments : from the side of signal processing, pulse jamming can be deleted by the method of time - domain sliding window accumulation and can be restored by interpolative prediction. ; gauss white nose can be attenuated while jamming disperse point - target by the method of time - frequency analysis in time - frequency domain. ; radio frequency noise jamming can be deleted by the method of average range frequency spectrum and notching in frequency domain

    通過大的理論分析和模擬實驗,得到了一批具有一定價值的結論:從信號處理的角度出發,對于脈沖式干擾,能夠運用時域滑動窗口積累的方去掉,並且通過預插值得到較好的恢復;對于高斯白噪聲干擾,在時頻變域內應用時頻分析方可減小其對分散點目標的干擾;對于射頻噪聲,通過平均距離頻頻和頻域陷波的方可以去掉;從改變合成孔徑雷達系統角度出發,類似雙基地雷達能夠避免各種干擾,對發射信號進行調幅,調相以及改變調頻斜率都是較好的抗干擾方
  15. Methods of measurement for radio transmitters ; part 8 : performance characteristics of vestigal - sideband demodulators used for testing television transmitters and transposers

    無線電發射機的.第8部分:檢驗電視發射機和位器用的殘留邊帶解調器的特性
  16. This thesis mainly describes a tesing and consoling kit based on ni " s special virtual instrument software development kit - labwindows / cvi, aming at traditional testing device " s limitation such as high cost of hardware, complexity of construct, singleness of function etc. the tesing and consoling kit can condition the signal intermixed with interfere noise and deal with the collected datum through common signal conditioning ( amplification, isolation multiplex filtering ) -, software calibration digital filtering etc to analyse signal in time and frequency domain

    本文針對傳統設備硬體成本高、構造復雜、重用性差、功能單一等方面的問題,著重探討了利用ni的labwindows cvi這一虛擬儀器開發軟體構建的控平臺,通過通用信號調理(如放大、隔離、多路轉、模擬濾波等) 、軟體校正、數字濾波等方對混雜有干擾的信號進行調理及採集后的數據進行處理,然後進行時域或頻域的分析。
  17. Firstly, this paper introduces the asynchronous motor model, and compares it with the dc motor ’ s. then the paper studies the principle of vector control, and proposes an improved current model of rotor flux observer. this paper also studies the three - level inverter ’ s topology, working principle, the neutral - potential unbalance mechanism and its controlling strategy. the paper especially studies the svpwm in details. the interface between the vector control and the three - level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three - level inverter. when synthesizing the reference voltage vector, select the vector which only includes p and o states as the starting vector, thus eliminate the vector shift problem when sector changes. this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model. this construction is very explicit. the simulation results verify the inverter voltage output is correct, the rotor flux is steady, the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent

    本文首先介紹了異步電機的數學模型,在此基礎上將異步電機的數學模型與直流電機的數學模型進行了比較;然後介紹了矢控制的基本原理,採用了一種改進的轉子磁鏈電流型觀模型;對三電平逆變器的電路拓撲、工作原理、中點電位不平衡的機理及控制方進行了介紹,詳細分析了空間矢脈寬調制策略。本文對異步電機的矢控制與三電平逆變器之間的介面進行了詳細的研究,包括:參考電壓矢的形成、所落扇區與具體小三角形區域的判斷、送入逆變器之後的工作機理。在參考電壓矢的合成時,選擇只包含p 、 o狀態的空間電壓矢作為起始矢,解決了扇區切時的矢突變問題。
  18. This paper explored the micro pressure sensor that is used for the measurement of distributed pressure at the surface of smart - skin. firstly, established the surface pressure model according to the aerodynamic properties, defined the optical measurement system that based on intensity modulation principle, discussed the components of this system and theoretical analyzed its measurement theory in detail

    首先,根據空氣流動的基本規律給出機翼表面壓力分布圖,通過對光學式微型壓力傳感器的理論分析,採用強度調飛機機翼表面的壓力並建立基於此方的光學系統模型,得到了壓力與敏感膜片變形以及光電轉輸出能之間的關系。
  19. This paper, regarding the asphalt pavement in the zhoukou region as the study object, according to the prevalent norms ( specifications for design of highway asphalt pavement ), with the beginning of the pavement performance and the transportation investigation, totally and systematically analyzes the traffic parameters and the destroying reason of pavement at the early stage in the point of fatigue property and limit strength, gives the concepts and methods of the growth rate of equivalent axle load action time, seasonal modification factor and overload factor, proposes the method of axle load conversion on the condition of heavy loading. on this basis, it proposes the design method adapting to asphalt pavement construction, explains the steps of thickness computation of construction with the combination of engineering example, finally verifies thedesign method in the paper by test road. theory and practice both prove that the reasonability of pavement structure style and the reliability of design method in the paper can adapt to the present heavy loading and overloading traffic conditions, have highly theoretical and practical value

    本文以周口地區瀝青路面為研究對象,以現行《公路瀝青路面設計規范》為依據,從路面使用性能和交通特徵的調查入手,從疲勞特性和極限強度出發分析了路面早期破損的原因,全面系統地進行了交通參數的分析,提出了當軸次增長率、季節修正系數和超載系數的概念和方,並提出了重載交通的軸載算方。在此基礎上,針對超載、重載交通從結構組合設計、結構厚度計算(包括疲勞強度標準和極限強度標準)等方面提出了適宜的瀝青路面結構設計方,並結合工程實,說明了結構層厚度計算的具體步驟,最後通過試驗路驗證本文提出的設計方。理論與實踐均表明,本文提出的路面結構型式合理、設計方可靠,能適應目前重載、超載交通的狀況,具有較高理論與實用價值。
  20. A high - resolution method for frequency measurement is strongly introduced in the paper, which is aim at detecting the frequency of regular and binary phase coding modulated pulse signals with high frequency precision. considering the popularity of linear frequency modulated ( lfm ) signal in electronic systems, this paper then referred a radon - stft arithmetic to calculate the carry frequency of lfm signal. both of these methods referred above are implemented in the signal if detection software

    針對常規脈沖調制信號和脈內二相編碼調制信號,本文提出一種高精度的數字化頻方,以提高信號載頻精度;線性調頻信號作為一種典型的非平穩信號在各種領域應用十分廣泛,但對其載頻的數字化比較困難,本文利用圖像處理中的radon變與信號時頻分析中的線性變相結合的演算來完成對其載頻的
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