測距差系統 的英文怎麼說

中文拼音 [cèjùchāxìtǒng]
測距差系統 英文
distance difference measurement system
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 距 : Ⅰ名詞1 （距離） distance 2 （雄雞、雉等的腿的後面突出像腳趾的部分） spur （of a cock etc ）Ⅱ動詞...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 測距 : range [distance] finding; distance measurement; ranging; stadiometry
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  1. Using ansys as analysis tool, and the influence of river water fluctuating on geoelectric observation data in different distance from riverway to geoelectric monitoring observe station is numerically simulated, and the relationship between error of observation data and distance from riverway to the stations is summarized

    摘要利用ansys作為分析平臺數值模擬了觀測系統距河道不同距離情況下，由河水漲落引起的淺層局部電性非均勻性對地電觀測數據的影響，總結了觀測系統距河道遠近與觀測數據誤差大小的關系。
  2. Thirdly, an ideal satellite orbit is simulated, and on this foundation, we establish some typical simulation and testing circumstances. lastly, after simulation in the simulation and testing circumstances, we compare the performance of ukf and ekf. and then, based on the outdoor experiment of the vehicle, an analysis and contrast between our simulation results and commercial data process software is carried out, and the conclusion is obtained

    首先在第三章提出的目標運動模型的基礎上建立了系統狀態方程;其次簡要分析了衛星導航系統中的各類誤差，建立了基於偽距觀測量的系統觀測模型;第四節利用yuma格式歷書數據模擬了未受攝動影響的衛星軌道，並在此基礎上建立了幾種典型的動態模擬測試環境;第五節為模擬分析和比較，先對ukf演算法和ekf演算法在動態模擬測試環境中進行了模擬比較，然後針對外場試驗，對非線性濾波獲得的定位結果與商業軟體進行了分析比較，並得出結論。
  3. In the end, the system experiments were conducted, and the results show that the system can be used for short - distance ranging

    最後採用延遲線閉環系統聯調，實驗結果表明所設計的測距方案能夠用於近距距離測量，差頻信號頻率反映了距離信息。
  4. By calculating parameters including the link length, the azimuth angle, the elevation, the optical power that the inter - satellite optical cdma communication system will receive, the variation range of the azimuth angle and the elevation from the optical antenna of atp are understood well. by analyzing the factors to impact bit - error - rate ( ber ) from the received power, multi - user disturbing, background noise, wavelength, bit rate etc, measures to guarantee high performances of the system are obtained, especially those for smoothing the fluctuation of the received optical power from host platform vibration

    分析研究了衛星光cdma通信系統中衛星仰角、方位角和距離，給出了探測器能夠接收到的光功率以及atp子系統捕獲及跟瞄的范圍;對衛星光cdma通信系統性能模型和基於衛星振動系統性能模型的研究，分析了多用戶干擾、接收光功率、背景光噪聲、振動偏差以及碼速率對系統誤碼率的影響，給出了相應的改進措施。
  5. After the construct of the motion simulation model, genetic algorithm is used to do the adjustment of pid parameters of the control system of the joint motors, integral separation pid control and angle error analysis is finished, and three force / torque sensors, touch sensors, distance sensors and photoelectric switches are calibrated and installed

    在建立了機器人關節控制系統模型后，使用遺傳演算法對其關節電機控制系統進行pid參數整定，進行機器人關節的積分分離的pid控制策略和轉角誤差的理論分析，並進行了機器人三維力/力矩傳感器、接觸傳感器、測距傳感器和光電開關的標定與安裝。
  6. To achieve accurate detection of surface potential, the measurement of the contact potential difference of the zno / si step was also carried out. polarization - related surface properties of ferroelectric thin films were investigated by kelvin probe force microscopy ( kpfm ), leading to the discovery of asymmetric charge writing on the surface of pb ( zr _ ( 0. 55 ) ti _ ( 0. 45 ) ) o _ 3 ( pzt ) thin film

    為了優化儀器的檢測靈敏度和穩定性，選用氧化鋅薄膜上的zno / si臺階作為測試對象，檢測了zno / si的接觸電勢差;通過改變儀器系統參數，發現針尖-樣品距離和掃描速度對接觸電勢差的檢測結果影響顯著。
  7. Analyze item by item the position of unintact cycle, the running clearance of unintact cycle, locking - deform, datum dimension regulating, repeatly install, power voltage wave and marking running etc. at the same time, we give the calculating formula to calculating the running marking random error, and use it to calculate the system error of big diameter measure instrument - - datum dimension frame error, gyro - wheel diameter error, error caused by circumstance temperature, error caused by backing distance, angle error, delay error of data collecting circuit, lathe main shaft running error, workpiece install partial error

    對不完整圓的位置、不完整圓的轉動間隙、鎖緊變形、基準尺調整、重復安裝、電源電壓波動、標記轉動等隨機誤差進行了逐項分析，並給出轉動標記隨機誤差的計算公式。對大直徑測量儀的系統誤差?基準尺尺架誤差、滾輪直徑誤差、環境溫度引起的誤差、後退距離引起的誤差、角度誤差、數據採集電路延時誤差、車床主軸回轉誤差、工件安裝偏心誤差分別進行了計算，最後對誤差進行合成。
  8. Because affected by the type of lines, fault resistance and two sides systems ， fault analytical location has lower precision, but it has no dead line and is more better accurate if the fault location is close to the line terminal

    故障分析法由於受線路類型、過渡電阻、兩端系統的影響測距精度較差，但故障分析法不存在測距死區，尤其對近區故障的測距較為準確。
  9. A detailed geometric analysis of obstacle detection system for alv was presented by considering the safety requirements of alv. the ranging error caused by various environmental factors and inevitable vibration of alv was discussed as well

    然後將障礙檢測子系統和alv整體結合在一起，從系統的角度對障礙檢測的要求進行了分析，並討論了各種環境因素和alv車體運動對lms激光測距雷達測距造成的誤差影響。
  10. Two transducers b and c, which record the time when the shock wave front arrives, are placed on both sides of location ( a ) with equal distance, the average shock wave speed at location ( a ) can be calculated from the distance b to c and the time that the shock wave needs to travel from b to c. all the tested signals are stored on a pint - sized system of independent function

    同時測速測壓的方法是指在測取沖擊波壓力-時間曲線的同時，在被測點前後等距離處分別安裝壓力傳感器，記錄沖擊波上升前沿到達的時刻，通過時間差來獲取被測點處沖擊波的平均速度。所有的測試信號都被記錄在同一個小型的、能獨立工作的測試系統中。
  11. In this paper we made a systemic analysis and study of the accurate orientation technology in the process of helicopter landing - photogrammetry, made the model of using double ccd to measure the exact position of helicopter based four latent points photogrammetry, educed formula about beaconing position, analyzed the computing error, and particularly computed the information of beaconing position of the helicopter ' s landing by experiment emulation. in the result, the error between a computed value and a measurement value was less than 5 centimeters

    本文對直升機著艦精確定位技術中的攝影測量演算法進行了系統分析和深入研究，在四特徵點測量演算法基礎上建立了雙ccd攝影測量直升機精確位置坐標的數學模型，進一步從各個影響演算法測距精度的方面討論了計算誤差，推導出測量信標坐標位置的計算公式，並對利用雙攝影測量演算法計算直升機著艦掛鉤位置的正確性及準確性進行了模擬實驗，得到的演算法計算值和實驗測量值之間的誤差在5cm以內。
  12. Firstly, the paper, combining the characteristic of synchronous pulse bursts and inhibition with the modified pcnn model, presents a way of finding the foveation points in the images adaptively and effectively, and simulates the human vision system. secondly, pcnn is extended to pcnns, based on the properties of information couple and transmission, an algorithm that is used to fuse images of the same target got by several sensors to an image is presented to simulate the human vision system. thirdly, combining the properties of synchronous pulse bursts, capture, and transmission and competition of waves, the paper presents two ways of classification, one is an algorithm based on the properties of neuron to capture and inhibit to classify the data taking on any complex unlinear distribution robustly, the other is based on the restricted distance and modified of the former to remove the influence of inferior samples in classification ; fin ally, based on the accumulative difference pictures, and the forming and transmission of pcnn wave, selecting and controlling the direction of autowave by connecting the neighbouring neurons selectively, the paper presents a way to simulate the tracks of moving object and detect the moving direction

    首先結合pcnn的同步脈沖發放和側抑制特性，提出了基於改進型pcnn的圖像凹點檢測演算法，該演算法是一種自適應而有效的圖像凹點檢測方法，並且較好地模擬了人類視覺系統；然後，結合信息傳遞和信息耦合特性，將pcnn擴展成pcnns （ pcnn網路群） ，提出了一種基於pcnns的圖像融合演算法，能夠將多個傳感器獲取的同一目標的圖像信息融合到一幅圖像中，有效模擬了人類視覺系統；另外，結合pcnn的同步脈沖發放特性、捕獲特性和波的傳播競爭特性，開拓地將pcnn用於模式分類中，提出了基於耦合神經元點火捕獲抑制特性的分類方法和改進的約束距離下的pcnn分類方法，前者可實現對樣本空間中任意復雜分佈訓練樣本的穩健非線性分類，而後者能夠消除訓練樣本中刺點對分類的影響；最後，結合累積差分圖像思想、 pcnn波的形成與傳播特性，通過各神經元之間連接取向來選擇與控制自動波的流向，將pcnn用於運動視覺分析中的運動軌跡模擬及運動方向檢測。
  13. Aiming at the problems in the orientation, evaluation anj the testing system, in order to develop the ae source orientation technology, research the testing system fitting to the situation of our country, we carry out the study of new type of acoustic emission testing and technology of ae sources orientation with advanced electronics and computer technology, at the same time, carrying out the research of aptitude evaluation technique, get realization of convenience and visibility of ae technology

    針對目前檢測系統存在的差距和定位、評定技術的問題，本文結合先進的屯子技術及計算機技術，以期研究出符合本國國情的聲發射檢測系統，並改進聲發射定位方法、模式，同時開展智能評價技術研究，真止實現聲發射檢測的方便性利可視性。因此，開展新型聲發射檢測系統與定位技術研究只有重要的理論意義與實用價值。
  14. At the same time, the field of vision can be changed. the good designed optical system radically eliminates systematic errors of distant effect in optics

    光學系統的合理設計從根本上消除了存在於同類其它系統中的距離效應以及探測器光譜靈敏度不一致性兩種系統誤差。
  15. Analysis of target tracking based on range difference measurement with multistatic radar system

    多基地雷達系統中基於距離差測量的目標跟蹤分析
  16. Now, it contracted obviously the disparity with whole country advanced level and raised the testing accuracy and research levels that the research institute whose experiment area is big and the devotion value is high, purchased lately a number of advanced experiment instrument equipments and software, for instance, model machine quickly, tri - coordinate measure machine, laser 3d scanners, multicenter vibration test and analysis system, electronic all - powerful experiment machine, hydraulic presses servo fatigue test machine, festo machine electricity to imitate manufacture system, the software of cad / cam / cae and so on

    如今，研究所的實驗面積大、投入價值高，新購置了快速成型機、三坐標測量機、激光三維掃描儀、多通道振動測試與分析系統、電子萬能試驗機、液壓伺服疲勞試驗機、 festo機電模擬生產系統、 cad / cam / cae軟體等一批先進的試驗儀器設備和軟體，明顯縮小了與全國先進水平的差距，提高了試驗的準確性和科研水平。
  17. The constitutions and principles of position of gps > glonass and beidou navigation system are described all around in this article, and the following technologies are studied and realized : communication between com ports with oop technology, compound navigation with gps and glonass. calculate velocity, pseudorange difference, smoothing pseudorange with the carrier - phase and models to correct error are also done ; the transforms between wgs - 84 and pz - 90, as well as wgs - 84 and beijing54 coordinate system ; the technologies to display and manage bitmap, vector map based on mapx also ; conversion of data formats between gjb and mif data format of maplnfo corp. arithmetic of creation dem data based on contour line data from 1 -. 25000 map data with gjb format. texture the surface of terrains with corrected aviation image

    本文全面介紹了gps 、 glonass 、北斗導航系統的組成、定位原理，研究並實現了面向對象的串口通信技術、 gps + glonass組合導航、測速及偽距差分、相位平滑偽距差分以及有關誤差的模型改正、 wgs ? 84和pz ? 90 、 wgs ? 84和北京54坐標系的坐標轉換、柵格地圖的顯示和管理、基於mapx的矢量地圖的顯示和管理、 1 : 25萬軍標數據和mapinfo的mif數據格式雙向轉換、基於軍標數據的dem生成演算法、基於opengl的三維地形構造、航空圖像紋理地形表面、三維坐標量算、虛擬現實模擬導航、三維地形的層次細化演算法以及數字圖像處理中的圖像增強、幾何變換、影像匹配等技術。
  18. It is widely recognized that one practical and important problem in dynamic climate modelling is the systematic tendency of a model to approach its own climate i. e. systematic error or bias usually occurs

    因此在做短期氣候預報時，一般做法是把模式氣候從模式計算出來的未經處理的預測減去，得出距平，這做法可以盡量去掉系統性誤差。
  19. Airborne 3d remote sensing information acquiring system which integrates gps 、 attitude measuring sensor 、 scanning laser range - finder and remote sensor into a complete remote sensing survey platform is a new remote sensing system with air - to - ground directly positioning system, but each of these four sensors may have error which can affect the geo - referenced 3d position

    利用gps 、姿態測量裝置、掃描激光測距及同步的遙感器組成的機載遙感三維信息獲取系統是新型的空地直接對地定位遙感系統，由於各種誤差的存在而最終影響到三維定位結果。
  20. First, the error transfer characteristic among subsystems at different space locations is analyzed, and the direct transfer characteristic from discrete standard measure space to the workpiece measure space under measured in measure system is proven. second, the error reconstruction condition and method of mapping from discrete standard measurement system to continuous standard measure space are analyzed. based on the measurement sample stationarity in limited distance, the prediction model ' s limited astringency and mensurability to the dynamic measuring error and the prediction error respectively are proven

    分析了不同空間位置子系統間的誤差傳遞特性，證明了在測量系統中離散標準量值空間向被測量工件量值空間的直接傳遞性；分析了離散標準量系統向連續量值空間映射的誤差重構條件和方法；基於測量樣本的有限距離的平穩性，證明了預報模型對動態測量誤差的有限收斂性和預報誤差的可測度性，進而證明了以離散標準量值系統對被測工件預報修正的可行性和合理性。
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