測向術 的英文怎麼說
中文拼音 [cèxiàngshù]
測向術
英文
goniometry-
In the system, the collimation semiconductor laser - scanned beam scanning two perpendiculars direct of one plane of the measured workpiece at the same time is made. the beams with the dimension information of two perpendiculars direct are processed by the scanning receive system, the high - speed photoelectric transition and electronic data process. two measured results of the diametric directs and ellipse tolerance, etc, parameter, of the turning workpiece on the same plane are obtained by non - contact automatic measurement
在單向激光掃描檢測技術的基礎之上,提出了一種雙向激光掃描檢測系統,其採用激光掃描檢測技術與特殊光學系統相結合,用準直半導體激光掃描光束對被測工件徑向某一截面的兩個相互垂直方向同時掃描,經掃描接收光學系統、高速光電變換、電子學系統和微機數據處理系統,對將攜帶有垂直方向被測量信息的光束進行處理,實現了回轉體工件同一截面兩個垂直方向的徑向尺寸和橢圓度等參數的非接觸自動測量,解決了同時非接觸測量回轉體零件同一截面兩個徑向尺寸的難題,它具有高速,高精度和非接觸自動測量等特點。The main work of the first part includes : introducing some methods of underwater sound positioning and analyzing their performance, analyzing the theory of measuring direction and distance of the target by three elements symmetrical and dissymmetrical array, comparing the measuring error of two kinds of array, and giving the theory of the generic arrays and discussing the phase wrapping and the distance wrapping in passive ranging
對被動測距技術的研究工作主要包括:簡單介紹了水聲定位的幾種方法,並對其性能進行了分析對比,分析了三元對稱陣和非對稱陣測向測距的原理,對兩種陣型的測向測距誤差進行了對比分析,還給出了一般陣型測向測距原理,最後還對被動測向測距中存在的相位模糊和距離模糊問題進行了探討。Modern ultrasonic testing was developing towards intelligence, automation, visualization, digitization, miniaturization, standardization, multi functionality, information and many intersectional fields in order to apply ultrasonic scanning imaging testing to complex - shaped component and meet the demand of contemporary quality
指出現代超聲無損檢測技術正向著智能化、自動化、圖像化、數字化、小型化、系列化、多功能化、信息化和交叉領域的前沿方向發展,實現了復雜形面復合構件的超聲掃描成像無損檢測,滿足現代質量對無損檢測的要求。Focusing on the tactical index of ew system - bearing accuracy, this article makes deep - through analysis, comparison and study of the theory basis for traditional direction finding method. a 16 - channel monopulse amplitude - comparison direction finding method and new phase - delay estimating method has been proposed to use, through computer ' s analog computation and relative measures in actual engineering practices, the bearing accuracy of traditional method has been increased and the service requirement of the ew weapon system and adaptability of equipment satisfied
本文圍繞著電子戰武器系統的戰術技術指標?測向精度,對傳統的測向方法的理論基礎進行了深入的分析、比較和研究,提出了採用16通道單脈沖比幅測向體制和新的相位延時估算方法,通過計算機的模擬摸擬計算,以及在實際的工程實現中採取的相關措施,解決了採用傳統的測向方法提高測向精度,滿足電子戰武器系統的戰術技術指標要求和裝備的適裝性。Research on non - contact measuring technique of bomb core ' s radial dimensions
彈芯徑向尺寸非接觸檢測技術研究Restricted by the long period, high cost and condition, the computer simulation is used to evaluate the communication countermeasure and direction finding rather than making hardware experiments
由於通信測向硬體測試和分析成本高、周期長、受外界條件限制嚴重,因此在很大程度上依賴計算機模擬技術,計算機模擬獲得了廣泛應用。The distributed intrusion detection is a developing direction of ids. the communication of components is a key problem in dids
分散式入侵檢測是入侵檢測技術的一個發展方向,組件間的通信是分散式入侵檢測需要解決的一個關鍵問題。The alternating current in the alternating current magnetic field leakage testing ( ac - mfl ) is one of the magnetizing manners. the sensitivity is very high to the defect of surface and the near to the surface of the workpiece. it is one of the developing directions of nondestructive testing ( ndt ) domain
交變漏磁檢測技術中的交變是漏磁檢測技術中的一種磁化方式,該技術對工件表面及近表面缺陷具有較高的檢測靈敏度,是無損檢測領域未來主要發展方向之一。Combined with the newly developed short - wave monitor and meterage system, the paper gives a thorough investigation on short - wave diffuse theory, radio direction detecting technology, dsp theory, software radio theory, ect
本文結合自行研製的新型短波監測設備,對短波傳播理論、無線電測向技術、數字信號處理理論和軟體無線電理論等進行了深入研究,並將其應用於設備中。The rationale of the tradition radio direction finding system is introduced. depending on the double - channels interferometer direction finding system manufactured successfully which have got a technical appraisal by technology committee of jiangsu province, the system of single channel interferometer direction finding is discussed particularly. the data and results of the experiment system are presented
本文介紹了傳統的無線電測向的基本原理,在研製成功的雙通道干涉儀測向系統(已通過江蘇省技術鑒定)的基礎上,重點分析了傳統單通道干涉儀測向系統,並給出了實驗數據和結論以及存在的問題。According to the discussing results, it can be seen that defocus measurement method with one - way defocused detector is really an effective method for defocus monitoring
研究結果表明,單向離焦差動檢測方法是一種有效的離焦監測技術途徑。With the development of space technology, space photogrammetry is becoming a direction of photogrammetry. it is a important technology that map is surveyed and revised based on single satellite remote image. the major works implemented in this paper are presented as follows : ( 1 ) the paper has done much work in inner orientation and space resection of frame camera image and linear array scanner image
隨著航天技術的發展,攝影測量正在從以航空攝影測量為主到航空、航天攝影測量並重的方向邁進,基於衛星遙感影像的單片測圖與修測技術是航天攝影測量的一項關鍵技術,本論文從以下四個方面對此技術進行了深入的探討: 1At the quality supervision monitoring center for oil plants and manufactured products under the ministry of agriculture, li peiwu, director of the center and a research fellow, introduced the monitoring technologies for the quality of aanola, especially the quick tester of top - quality rapes. this tester can test the glucosinolate and erucic acid contents at a fast speed, and it is characterized by a low charge for testing costs
在農業部油料及製品質量監督監測中心,中心主任李培武研究員向學員介紹了雙低油菜的質量監測技術,並重點介紹了該中心的優質油菜速測儀,該儀器可以快速測定硫甙和芥酸含量,並且具有測試費用低的特點。The fire detection systems based on intelligent information processing have been proposed to handle this situation. these systems have self - learning and self - adaptive. the study of them has been the direction in the study of fire detection technology
針對火災信號的這種非結構性特點而提出的基於智能信息處理方法的火災探測系統具有自學習和自適應功能,已成為現在火災探測技術研究的方向。The article consists of three parts mainly : the first part has described the method of detecting the faint signal, mainly include : detection technique of faint signal, principle of the optical fibre sensor, the little lose effects when optic fibre little curved, and the research of the stress sensor of optical fibre. the second part emphasizes on the design of the intelligent photoelectricity system, mainly tells the design of the circuit to process the faint photoelectricity signal, details the software and hardware design of intelligent photoelectricity system made of single chip microcontroller, led, man - machine interface, communication interface, etc. the third part is the network communication of the detection system, details the technology of single chip microcontroller how to group the network, and the communication between single the chip microcontroller system and the modem, and how to realize the data between the field and computer central exchanged through the existing public phone network
文章主要分為三部分:第一部分論述了微小信號的檢測方法,主要包括微小信號的檢測技術、光纖傳感器的原理、光纖微彎損耗效應及光纖應力傳感器的研製;第二部分重點講述了智能光電檢測系統的研製,主要講述了微弱光電信號調理電路的設計及由前(后)向通道、單片機、 led 、人機介面、通信介面等組成的智能光電系統的軟硬體的具體設計;第三部分為檢測系統的網路通信部分,具體闡述了單片機系統間的組網技術、單片機和modem之間的通信及通過現有的公用電話網路實現遠程監控的技術,實現現場檢測系統與橋梁測控中心的數據交換。The integrated identification of fractures with the bpo interpretation of logs and the 3d seismic fracture interpretation technology were used to predict the development and distribution rules of fractures in ve rtical and plane directions of mesozoic reservoirs of baigezhuang region. the plane distribution of the stress fields of different major oil reservoirs determined with finite element numerical simulation provides a theoretical foundation for the research of the plane distribution of the fracture. thus, the quantitative prediction of the tectonic fractures is possible
本文應用測井參數的bp神經網路裂縫綜合識別方法、三維地震裂縫檢測技術,預測了柏各莊地區中生界儲層平面或縱向上裂縫的發育分佈及規律;並用有限元法數值模擬技術展示出不同主力油層的平面古應力狀態,為研究裂縫的平面分佈規律提供了理論依據;在此基礎上,依據巖石破裂準則進行了構造裂縫定量預測。In order to resolve the problem of low accuracy, computing overhead and the high false negative probability that the current detection technology suffered, the protocol misuage detection becomes one of the research fields in the development of network intrusion detection
針對基於模式匹配方法的誤用檢測技術存在的檢測率低、計算量大和高漏報率等問題,使用協議分析方法實現異常檢測技術成了網路入侵檢測的重要研究方向。Based on the great achievements of monitoring in daqing oil field and innovative information about monitoring techniques, the main problems - exited at present and further scientific research and development for the monitoring techniques have been established in this paper
本文在總結大慶油田監測工作取得的巨大成績和突破性認識的基礎上,指出了監測技術目前存在的主要問題及今後科研攻關的目標和發展方向。Firstly, the strain gauge method was used to measure the time difference of stress wave passing through two gauges adhered on the surface of test piece and also their main frequencies secondly, a 3 - component dynamometer was used to measure the resonant frequency of timber six kinds of full size timber were used for test
本研究旨在研發兩種新的應力波計測技術,其一為利用應變規來測定兩標點間之應力波傳遞時間差及試材之共振頻率,藉以計算試材之音速及動彈性系數,其二為利用三向動力計來測定試材之共振頻率。First, the thesis introduces the definitions and the attributes of the higher - order statistics. it is insensitive to additive gaussian noise ( white or colored ), which is what we base on to doa problems. then two doa estimation algorithms based on higher - order statistics are presented, one is that forming cumulant matrix pencil used in esprit to estimate doa problems, the other is spectrum estimation method for doa estimation based on the eigenstructure analysis of the fourth - order cumulant, and comparing the effects of the estimation to conventional covariance - based doa algorithms "
論文首先對高階統計量的定義和性質作了介紹,特別指出了高階統計量對加性高斯噪聲(白色或有色)不敏感,這是我們利用它進行波達方向估計的理論依據,然後文中提出了兩種基於高階統計量的波達方向估計方法,一種是利用子空間旋轉不變技術構造四階累積量矩陣進行估計的方法,另一種是基於四階累積量陣特徵分解的空間譜估計測向方法,並將它們的估計效果與傳統協方差方法的效果進行比較。分享友人