測速標 的英文怎麼說
中文拼音 [cèsùbiāo]
測速標
英文
marks for measuring velocity-
Hydrometry - specification for a reference raingauge pit
流速測量.標準量雨槽規范The system primarily uses the protocol analysis technology and mode matching arithmetic in realizing network engine. through the combination of the above two, it effectively monishes the target matching scope and improves the detecting speed
系統在實現網路引擎時,主要使用了協議分析技術和模式匹配演算法,通過兩者的結合,有效地減小目標的匹配范圍,提高了檢測速度。In astronomical coordinates ( reference mark is north latitude 43. 9 ), analyzed is the effect of azimuth angular velocity, acceleration and altitude angular velocity, acceleration etc. some formulae were given to compute all correlative quantities. with regard to the course of data processing beforehand, the thesis focuses on outliers eliminating technology because of outlier increasing acutely of high - elevation tracking ( approaches 10 - 20 % )
在觀測坐標系中推導出確定天頂盲區理論范圍公式和滿足過天項跟蹤條件的關系式;在天文坐標系中以長春衛星觀測站(北緯43 . 9 )作為計算基準,分別討論了方位、俯仰方向的角速度、角加速度等對天頂盲區的影響,在理論分析上為解決過天頂跟蹤問題打下了基礎。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 % ) 。A codebook - based event correlation approach is introduced. by considering detection and identification of abnormal events as coding problems, fault localization can be done efficiently and noises in event streams can be detected. at present, demands for fault management automation are very wide
本文引入代碼書( codebook )技術實現事件關聯,其基本思想是將檢測和標識系統中的異常事件看作編碼問題,具有運行速度快、能自動識別事件流中的噪音等優點。We mainly discuss the methods of gmti, location, and the measure of velocity, the decrease of false alarm probability and the compensation for phase error
主要研究mcarm數據動目標的檢測、定位和測速的方法,利用定位和測速信息進一步降低虛警概率的方法和相位誤差補償方法。With the increase of the velocity and acceleration of the moving target, it produces a large accretion of dynamic error of o - e theodolite
隨著被測目標運動速度和加速度的不斷提高,導致光電經緯儀電視跟蹤的動態誤差急劇增大。2 the fmcw millimeter - wave radar system is introduced. the basic parts of the system and its work principle, as well as the index of it, are discussed in detail. the sae - 100 millimeter - wave anticollision radar system and the anticollision radar used in the industry are also introduced curtly
2簡單介紹了fmcw毫米波雷達系統,包括它的測速、測距原理,基本組成與結構和其主要的性能指標,並簡單介紹了已研製的sae - 100型毫米波防撞雷達系統和工業用fmcw毫米波避碰雷達系統及防撞雷達的應用。The ground penetrating radar ( gpr ) is an effective tool to detect buried targets based on the dielectric discontinuity, which possesses a lot of virtue, such as rapid and continuous surveying, simple and convenient operation, high resolution, nondestructive detection etc. this dissertation studied shallow depth signal processing technology of gpr and focused on the clutter reduction and targets imaging
探地雷達是一種利用地下介質的不連續性來探測地下目標的有效工具,具有探測速度快、探測過程連續、操作方便靈活、解析度高、不損壞被探測目標等特點。本文研究的是淺地層探地雷達的信號處理,主要包括雜波抑制和目標成像。Whole scheme of frame design of test - bed is proposed as : the host fanner supply the firebox the once and twice air required by diesel oil ' s burning and the cooling air ; the export parameter of the test - bed is varied by the adjust of the flux of air and diesel oil. and the air flux is varied by adjusting the rev of the fanner adjusted by transducer and the corner of the fan inlet adjusted by step motor. the quantity of oil is varied by adjusting the oil valve adjusted by step motor ; the measurement of the air flux in the test - bed adopts the method of fanner dynamics performance test in the nation criterion
確立了實驗臺結構設計方案:主風機為燃燒器提供燃燒所需的一次、二次進風量及冷卻風量;利用變頻器調節主風機轉速、用步進電機調節風門開度來調節風量,用步進電機調節回油閥開度來調節供油量,從而實現對模擬實驗臺出口煙氣熱流量的調節;實驗臺的流量測量採用風機動力性能測試標準中測流量方法等。Whole scheme of frame design of testing flat is proposed as : the host fanner supply the air required by flamer ’ s burning and cooling, the export parameter of the flat varies by different rotate speed of the fanner 、 angle of the fan inlet and the quantity of oil, the measurement of flow in the testing flat adopts the method of fanner dynamics performance test in the nation criterion
確立了實驗臺結構設計方案:主風機為燃燒器提供燃燒所需的一次、二次進風量及冷卻風量;模擬實驗臺出口煙氣熱流量是通過調節風機的轉速、風門開度及燃油量來改變;實驗臺的流量測量採用風機動力性能測試標準中流量方法等。Technology research for measuring the speed of underwater moving target
水下運動目標的測速技術研究Existing calibration methods of laser speedometer are summed up and one new calibration method and instrument with simulant target is put forward in this paper
摘要綜述了激光測速儀的現有校準方法,提出了採用模擬目標進行激光測速儀校準的新方法,並根據該原理研建了校準裝置。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。Among the different imaging algorithms, the range - doppler fft ( r - d fft ) algorithm, based on range - doppler theory, in which the fast fourier transform ( fft ) is employed to reduce compute burden, is widely used in various imaging radar because it can be easily realized in real - time application
陸基成像雷達( gbr )作為isar成像技術的重要應用,其觀測目標具有速度快,慣性大,運動相對平穩等特點,針對這些特點,本文對isar成像運動補償方面作了較為深入的研究。Yasuyuki ikeda, satoru yoneyama, motoharu fujigaki, et al. absolute phase analysis method for three dimensional surface profilometry using frequency modulated grating, society of photo - optical instrumentation engineers [ j ]. opt eng, 2002, 42 ( 5 ) : 1249
周聰玲.基於快速標定方法的三維物體表面輪廓測量系統的研究[ d ] .天津:天津輕工業學院. 2002These parameters are closely related to the materials detection, target detection, object classification and velocity measurement in nondestructive evaluation
這些參數對于超聲無損檢測中材料檢測、目標探測、目標分類、及速率測量等密切相關。Range rate measurement system of radar plays an important role in studying the characteristics of target, the target orbit confirmation and the safety control of missile
摘要雷達測速系統在研究目標特性、目標定軌、導彈安全控制中起著重要的作用。Dsp56f805 samples the ultrasonic pulse coming back from the target, then measures the distance and shows it on led. tms320vc5509a is accomplished the detecting speed and the main control of the radar system, is 16 fixed dsp with high performance and low power produced by ti company. dsp5509a samples the wave coming from t / r module, then measures the target ’ s speed and send this information to the assistant control chip - p89v51 based on boost c51 core mcs produced by philips company, which controls the lcd
測距雷達系統的控制和信號處理的核心晶元是motorola公司的dsp型16位單片機56f805 ,由它對超聲波回波脈沖進行ad采樣后,計算目標距離並在七段數碼管上顯示。測速雷達系統中信號處理的核心晶元是ti公司的超低功耗、高性能的16位定點dsp ? ? tms320vc5509a ,由它對收發組件輸出的多普勒回波進行采樣,計算出目標運動速度后,送給輔助控制晶元? ?飛利浦公司生產的基於c51內核的增強型單片機p89v51 ,並且在液晶顯示器上顯示速度信息。Standard test method for speed and distance calibration of fifth wheel equipped with either analog or digital instrumentation
裝有模擬或數字測量儀器的測速輪的速度及距離校準的標準試驗方法分享友人