range measurement system 中文意思是什麼

range measurement system 解釋
測距系統
  • range : vt 1 排列;整理(頭發等)。2 使歸類[班、行、隊];把…分類。3 〈用被動形或反身形〉加入,站住…的一邊...
  • measurement : n. 1. 測量,計量,量度。2. 份量,尺寸,大小,寬度,厚度,深度(等)。3. 測量法。 measurement goods (按體積、容積計算的)體積貨物。
  • system : n 1 體系,系統;分類法;組織;設備,裝置。2 方式;方法;作業方法。3 制度;主義。4 次序,規律。5 ...
  1. 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。
  2. Due to existing signal processing technology ’ s shortage such aslow measurement, narrow measurement range precision and other poor performance, we introduced a high - precise signal processing technology : firstly, to get power spectrum with hanning windowed welch modified periodogram, search its peak value frequency ; secondly, to apply zooming analysis via goertzel algorithm ; at last, to get a highly precise doppler frequency with energy centrobaric rectifying algorithm 。 the simulating result indicated that this technology introduced could get accurate doppler frequency 。 depending on above discussed technology, we designed a signal processing scheme, and developed a signal processing system. the running result showed high performance, verified the feasibility and reliability of the highly precise signal processing technology introduced. in a word, the technology improved ldv ’ s performance such as measurement precision, measurement range, dynamic response time 。 and it will have a wide application foreground

    針對存在的缺點,本文提出了一種應用於激光多普勒測速的高精度信號處理技術,即首先利用加hanning窗的welch修正周期圖演算法得到信號功率譜,搜索其譜峰值頻率,接著利用goertzel頻譜細化演算法對搜索的譜峰進行細化分析,再引入能量重心頻譜校正演算法對細化后的譜峰進行校正分析,從而將離散頻譜分析演算法、頻譜細化演算法和頻譜校正演算法三者有機結合起來,充分發揮各自的優點:通過加hanning窗的welch修正周期圖演算法快速得到功率譜及峰值頻率,通過goertzel演算法獲得分析頻帶的高解析度頻譜,然後通過能量重心校正演算法對細化后的頻譜進行高精度校正,這樣不僅保證了演算法的高效性,而且大大提高了分析的精度。
  3. This paper studies the inductive displacement transducer ’ s structure and its measuring principle, also studies the whole classical measurement system and analyzes its merits and drawbacks according to related experimental findings. to get rid of classical measurement system ’ s drawbacks such as low stability, narrow linear measuring range, etc. and improve measuring system ’ s performance index, this paper ’ s improves several key technologies in the high - accuracy measuring circuit

    本文研究了電感位移傳感器的結構、測量機理以及其整個測量系統的系統架構,並通過試驗認真分析了傳統的電感位移傳感器精密測量電路的優缺點,結合本課題的研究需要和技術要求,對傳統電感位移傳感器測量系統穩定不高,線性測量范圍小等不足之處進行了改進。
  4. As proved by experiments, the present method can effectively restrain the influence of speckle to the laser triangular measurement system and the obtained calibration accuracy is about 0. 05mm within 100mm depth range

    只需對特殊設計的模塊進行一次測量,便可完成對整個測量系統的校準。該方法能夠有效的抑制激光散斑的影響,具有較高的系統精度。
  5. Cosmic ray test was carried out to choose and optimize working parameters of full - length prototype and its data acquisition system, verify the electronics system about dynamic range, drift time measurement search window, charge measurement integral width, work stability and electronics grounding and noise. in experiment, acquired abundant experience with the solution of actual problem and verified their reliability of physical design. this lays the foundations for the successful construction of the besiii drift chamber and electrical system

    測試過程中我們調整了電子學的動態范圍、漂移時間和電荷測量參數驗證了電子學系統工作的穩定性、抗干擾能力及噪聲水平等並成功解決了實驗過程中遇到了問題。通過長時間的取數進一步檢驗了全長模型和電子學系統工作穩定性,驗證了全長模型及其數據獲取系統物理設計的可靠性,為漂移室和電子學系統的成功研製奠定了基礎。
  6. On the basis of current investigation of both the domestic and foreign and current level of development, and contraposing difficulties and keys of autofocusing and measurement, this paper brings forward system of autofocus and measurement based on techniques of image processing of ccd. this system possesses merits of fast speed, high precision, small bulk and large dynamic range. it is able to carry out needs of fast, accurate, large range autofocusing and requests of noncontact and online measurement of workpiece face runout

    本論文根據目前國內外現狀和發展水平,針對自動聚焦和端面跳動測量的關鍵點和難點,在普通光學儀器的基礎上提出了一種基於ccd圖像處理技術的圖像式自動聚焦及其測量系統,該系統具有速度快、精度高、動態范圍大、體積小等優點,實現了快速、精確、大范圍的自動聚焦和對工件端面跳動進行非接觸、在線測量的要求。
  7. A sil flying head is designed to keep the distance between sil and recording medium in near - field range. a sil optical data storage system is built up when the recording head is combined with sil flying head. meanwhile, using astigmatic focusing error detection technology and twin optical pick - up heads, a novel nontouching nanometer measurement method is developed to measure the flying height of sil, and provides us with a powerful tool to optimize the design of sil fly head

    在sil存儲技術研究方面,首先提出一種光學玻璃熱熔加工製作sil的新方法,該方法克服了小半徑球透鏡加工的難題,成功製作出了半球固體浸沒透鏡;設計了sil飛行頭系統,並利用光學頭像散法聚焦誤差檢測原理,設計出一種雙光學頭sil飛行高度測量方案,實現了sil飛行頭飛行高度的測量。
  8. On this subject, chen wenxiang ' s using feedback servo mechanism to scale - up the measurement range on the shift by hore sensor and chen dongjun ' s study of a kind of hore shift sensor with feedback servo mechanism have achieve the rudimental results. it shows that using self - tracking or servo system to scale - up the measurement range of the hore sensor is reasonable

    在這項研究工作上,陳文薌《採用反饋隨動機構擴大霍爾傳感器位移測量范圍》 、陳東軍《一種帶有反饋隨動機構的霍爾位移傳感器研究》已經取得了初步的成果,他們的成果表明採用隨動機構擴大霍爾元件的測量范圍是有效可行的。
  9. In the srlois, a sphere reflector taking the place of the traditional lens is taken as the scanning optical system, the measuring range of the system is extended, and the problem of laser non - contqct measurement of larger diameter for workpiece

    本系統用球面反射鏡代替傳統透鏡作為掃描光學系統,擴大了系統的測量范圍,解決了工件較大徑向尺寸(直徑)的激光非接觸檢測問題。
  10. In this paper, based on the detailed analysis of the measurement principle and the measurement method of the wide range pulse convert circuit board, the hardware circuit of the measurement system is designed, and the software flow hart of the measurement system is drawn in detail. the emphasis is to present the method to improve the system measurement precision by plenty of experiments

    本論文在詳細分析了大量程脈沖變換電路板測試原理、測試方法的基礎上,設計了測試系統硬體電路,較詳細地畫出了測試系統軟體流程圖,重點是通過大量實驗總結出提高系統測量精度的方法。
  11. 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。
  12. This buoy supervisory - measurement system is a self - monitoring with a long range from monitoring vessel

    浮標監測系統為遠程、無人值守的自動監測系統,浮標監測系統軟體的技術關鍵在於遠程無人值守的可靠性與可監視性。
  13. The measurement of deflection of a bridge is crucial constituent part in the monitoring of bridges. the majority of existing methods about bridge deflection measurement can not accomplish the real - time and long - range measurement. the ultrasonic method based on connected pipes still has shortage in precision and speed of measurement. to satify the need of deflection measurement of the dafosi bridge of changjiang river, an opto - electronic measurement method is to be used to improve on the method based on connected pipes. furthermore, we will design an automatic opto - electronic deflection measurement system based on connected pipes which can be practised in the long - span bridge

    大型橋梁的安全監測具有重要的現實意義,而撓度監測是橋梁監測的一個重要的組成部分。目前現有的許多撓度測量方法還不能實現實時遠程監測,已有的連通管式超聲波法還存在著精度較低,測速慢等不足。針對大佛寺長江大橋撓度測量的需要,在此採用精度較高的光電測量方法結合連通管的優點加以改進。
  14. This paper studies on used the ac servo system based on ti dsp ( lf2407a ) and the foc and digital signal processing thorem, achieves following results : algorithm. we employ svpwm ( space voltage pwm ) algorithm, improve the efficiency of the electric source, and decrease the harmonious elements. we build the mathematic model of the system and simulate it on matlab platform, dsigne segmented pid regulator to adapt variable speed and widen the speed range. measurement. the velocity and electric current measuring, we adopt multi - sampling - rate and digital filter principles. as more improvements we make, the whole system gets a good results. pc control. the complete controlling system can be controlled remotely. so we develop the pc controlling program.

    採用磁場定向脈寬調制演算法,提高了電源利用率,降低了逆變電壓的諧波,改善了電機的運行特性,降低了對電網的污染;在matlab平臺上建立了交流永磁同步伺服電機和電壓空間矢量脈寬調制控制系統的數學模型,在模擬的基礎上,對傳統pid調節器進行了改進,提出轉速調節器和電流調節器採用分段pid結構,根據給定轉速所處的區間,自動選擇相應pid調節器的參數,拓寬了調速范圍,提高了控制精度。
  15. According to the technical requirement of range rate measurement in monopulse radar measurement system, the issue of spreading of received target spectrum under great acceleration is discussed in detaailed and the algorithm for acceleration compensation and the method of engineering realization are presented

    根據高加速度下單脈沖測量雷達測速的技術要求,詳細地討論了高加速度情況下的目標回波譜線發散問題,給出了加速度補償的基本演算法和工程實現框圖。
  16. The most important specification of the level measurement system is the accuracy. the range measurement accuracy of a fmcw radar is strongly affected by the stability and the linearity of the frequency modulation. thus the vco ' s nonlinearity correcting method is discussed

    利用fft ( dft )頻譜估計頻率精度受fft頻率量化(即譜線之間的間隔)的限制,對應的fmcw雷達的距離估計精度則受掃頻帶寬的限定。
  17. According to the features of precision, efficiency, inspection dimension and accuracy varying great range, designed closed - loop control system composition of servomechanism and grating to assure system ’ s precision, smooth, efficiency, and to realize the great dimension range measurement ; designed image capture system composition of ccd, automatic variable power lens and self - adaptive lighting, to realize integration of large inspection precision range ; designed electric control and software system to make the inspection convenience and fast. finally, developed the prototype instrument

    針對微電子產品視覺檢測的精密、高效、檢測精度和測量范圍變換大的特點,設計了伺服驅動、精密光柵採集組成閉環控制系統以保證運動精密、平穩、高效,和大的尺寸測量范圍;設計了由ccd攝像機、大范圍自動變倍鏡頭和自適應光源組成的圖像採集系統,集不同精度等級的檢測於一體;設計了電氣控制和軟體系統使檢測方便快捷。
  18. In the information era of digital, intelligence and network, complete digital photogrammetry machine is applied to dispose of and analyze image and build measurement system of measured object ' s 3 - d model based on the close - range photogrammetry technique in this paper

    在當今數字化、智能化和網路化的信息時代,基於近景攝影測量技術,應用完全數字化的攝影測量機,處理和解算攝影圖像,並實現了建立被測量物體三維模型的測量系統。
  19. Experimental results showed that the pose measurement system for those cameras can reduce effectively the computational complexity in the space location for stereovision, and that the cameras work well at location accuracy range and sampling speed

    實驗結果表明,基於非線性修正的多線陣像機位姿測量系統簡化了立體視覺空間定位計算的復雜性,在定位精度、定位范圍和采樣速度上均達到了良好效果。
  20. This system is a totally automatic measuring and analyzing system with wide measuring range ( from 10 - 16 to 10 - 2a ) and high precision ( 0. 2 % ) which is first developed in china. a 50 - loop current measurement and control system, and a micro - current automatically cycling measurement system together with its three - level protecting system are developed in this thesis. additionally, a software package for this measuring system of ion migration test is developed successfully

    在對新型絕緣子離子遷移試驗測量系統研製和開發的過程中,本文設計並研製出了50路電流測量控制系統,微電流自動循環測量系統及其三級保護系統;並成功地開發出一套離子遷移試驗測量系統的軟體系統,該軟體系統不但簡潔、易用,而且實現了採用軟體對多個硬體設備的同步、協調控制,以及通過軟體對多個(達100個) i / o節點的實時控制,另外,還實現了測量數據的自動存儲以及對累積電荷量大小和發展趨勢的自動分析功能等。
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