距離定位系統 的英文怎麼說

中文拼音 [dìngwèitǒng]
距離定位系統 英文
rps range positioning system
  • : 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...
  • : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 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 ...
  • 距離 : 1 (相隔的長度) distance; range; gap; space; spacing; separation 2 (相距) be apart from; be aw...
  • 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. Based on the investigation and research, the paper gives a testing method, which measures the taking off and landing distance of airplanes with the laser locating system for airplanes trace. and by way of the field measuring on plateau airports, we have got the integrated modifying coefficients of three kinds of airplanestaking off and landing running distance such as h6. all of these provide scientific basis for the runway length design of the plateau airport

    在調研論證的基礎上,提出了利用《飛機起落航跡激光》測飛機起飛著陸滑跑的測試方法,並通過高原機場實地測試,得出了三種飛機在高原機場上起飛著陸滑跑的綜合修正數值,為高原機場跑道長度設計提供了可靠的理論依據。
  2. Gps receivers belong to the user equipment, mainly used to receive satellite signals and telegraphese, measure the distance from receiver to the satellites by the wireless signals, compute the position and speed of satellites by telegraphese, then compute the position and speed of user

    Gps衛星接收機屬于衛星導航中的用戶設備,主要用於接收衛星信號和電文,由無線電信號測用戶至衛星的,或多普勒頻移等觀測量;根據導航電文,計算觀測衛星的置和速度,根據觀測量和衛星的置、速度,解算出用戶的置和速度。
  3. Compared with the 5. 8s complete sequence of the snail arion rufus, its1 and its2 regions were recognized and combined for analysis. from sequence observation, it showed that the zhejiang sample has more inserted sites and fragments while the sequences of other three are nearly all the same. the average g % + c % of the four individuals was 46. 8 % while the zhejiang sample ' s was 48. 3 % and the other three ' s were all about 46. 2 % ; ts / tv and genetic distance mainly lies between the zhejiang sample and the other three individuals, which were 0. 8 and 0. 07 respectively

    用於比較的序列長約350bp ,觀測一級結構,加拿大、墨西哥灣扇貝和美國二代個體的its1和its2序列幾乎完全相同,而浙江個體則具有較多的插入點與片段; 4個個體平均g + c含量46 . 8 % ,其中浙江個體為48 . 3 % ,其它3個個體均為46 . 2 %左右;轉換顛換比與遺傳主要存在於浙江個體與其它3個個體之間,分別為0 . 8和0 . 07左右;以櫛孔扇貝作外群構建的分子樹表明:浙江群體已產生了一的分化。
  4. In the application of mini - micro - robot visual perception, there is a need for fish - eye lenses for capturing wide field of view for navigation. though fish - eye lenses provide a wide field of view ( 180 ), they introduce significant distortion in images and the acquired images are quite warped, which makes conventional camera calibration algorithms no longer work well. this paper presents an accurate calibration framework for fish - eye lens ( a high distortion lens ) camera stereo vision system. the accurate calibration model is formulated with radial distortion, decentering distortion and thin prism distortion based on the fisheye deformation model. using fish - eye and non - linear camera model, the author employs levenberg - marquardt method to realize precise non - linear calibration for wide - view - scene dense depth image recovery

    魚眼鏡頭成像立體視覺在微小型機器人視覺導航和近大視場物體識別與中有著廣泛的應用.盡管魚眼鏡頭攝像機具有很大的視場角(接近180 ) ,但同時也引入嚴重的圖像變形,常規的攝像機標方法無法使用.該文提出一種標魚眼鏡頭攝像機立體視覺的方法.在魚眼鏡頭變形模型的基礎上,通過考慮魚眼鏡頭成像的徑向變形、偏心變形和薄棱鏡變形,建立了魚眼鏡頭成像的精確成像模型,然後,利用非線性迭代演算法,精確求解攝像機外部參數、內部參數.實驗表明,使用該方法得到的立體視覺參數滿足精確恢復大場景稠密深度圖的要求
  5. Time delay estimation ( tde ) by using three - element linear array is an important problem in torpedo trajectory tracking system which ttacks target according to strictly geometrical position. it is the basis of measurement of target distance, bearings etc. the error of tde influences directly the accuracy of trajectory tracking. the more efforts have been made in order to acquire high accuracy estimation

    三元直線陣的時延估計是魚雷彈道測量中的一個重要課題,它依照嚴格的幾何關進行目標,是測量目標、方等參數的主要依據,時延估計的精度直接影響彈道跟蹤的精度,為提高時延估計精度人們進行了大量的研究和探索。
  6. Therefore, according to the mobility of the aircraft, the present study builts a multi - static location system, which uses the measurements detected by active or passive airborne sensors, when the aircraft is at the different positions. this study proposes two methods for locating sonobuoys. the first one is using aircraft - to - buoy slant range information

    根據飛機的機動性,本文構造了使飛機到達不同點獲取相同的測量信息而實現的多基地;依據機載有源無源探測器所能獲得的測量量,提出了兩種方法:斜測量法和基於卡爾曼濾波的方測量法。
  7. With the trend of emphasis on concealable attack and forcible ruin to military supporting systems, passive locating methods can be seen as an important direction to the development of locating methods and perfection to existing locating systems. passive locating methods have the merits of far distance, concealable receiving and low probability to be detected, compared to active locating methods. so, passive locating system can help to improve viability and battle effectiveness of the whole system in the electronic war environment

    在越來越強調軍事支援隱蔽攻擊和硬殺傷的趨勢下,採用被動方式工作的無源方法作為方法發展的一個重要方向和對現有的完善,較有源方法具有作用遠、隱蔽接收、不易被對方發覺的優點,對于提高在電子戰環境下的生存能力和作戰能力具有重要作用,同時在航海、航空、宇航、偵察、測控、救援和地球物理學研究中有著廣闊的應用前景。
  8. Passive location technology, which does not radiate electromagnetic wave, can locate the radiant in a hidden way. featuring in long function range, high anti - interference capacity, it plays more important role in improving survival and operation capacity of electronic system in the electronic war. more countries put emphasis on the research of passive location technology is receiving

    由於無源技術能在自身不輻射的條件下,隱蔽地確輻射源置,具有作用遠、抗干擾能力強的特點,對于提高在電子戰環境下的生存能力和作戰效能具有十分重要的作用,因此對于無源技術的研究越來越受到各國的重視。
  9. The single observer passive location and tracking system ( soplat ), which uses electromagnetic wave emitted by target, has proved its merits of self - hiding and far - distance detecting in modern electronic warfare and information warfar

    在現代電子戰、信息戰環境中,由於利用目標輻射電磁信息的單站無源探測具有機動性強、自身隱蔽和探測遠等優點,因此它具有重要的應用價值。
  10. The passive location and tracking system, which uses electromagnetic wave emitted by target, has proved its merits of self - hiding and far - distance detecting in modern electronic warfare ( ew ) and information warfare. and it is now the hotspot in the field of non - linear tracking and estimation

    在現代電子戰、信息戰環境中,由於利用目標輻射電磁信息的無源探測具有自身隱蔽和探測遠等優點,因此它具有重要的應用價值,並已成為當今非線性跟蹤與估計研究領域的熱點問題。
  11. In the paper, the gpr system developed by us employs several optimization techniques to enhance the system performances, including antenna, sampling - hold circuit, orientation wheel, function of system software, multithreading, and signal processing algorithms. as the result the system works more well with these techniques, and its azimuth and distance resolution of 10 cm has been achieved with detection depth of more than 50 cm. the main contents of this dissertation are summarized as following : 1

    本文根據探地雷達工作原理,在電子科技大學探地雷達樣機研製的基礎上採用了各種有效的優化技術,包括探測前端、采樣保持電路的優化,輪、目標、多線程技術的應用,數據採集處理和控制軟體功能的拓展、各種有效的信號預處理演算法的應用等,顯著提高了的探測性能和增強了探測效果,使得解析度均達到了10cm ,探測深度大於50cm ,其性能指標達到國外先進水平,為進一步的實用化奠了重要的基礎。
  12. 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

    雷達的控制和信號處理的核心晶元是motorola公司的dsp型16單片機56f805 ,由它對超聲波回波脈沖進行ad采樣后,計算目標並在七段數碼管上顯示。測速雷達中信號處理的核心晶元是ti公司的超低功耗、高性能的16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。
  13. Firstly, the relationship of atomic force and distance is studied. the scan type of samples and the working mode of probe is confirmed, then pzt is chosen as actuator for micro scan displacement, and optical deflexion method is used to detect the deflexion value of cantilever. after all these work, the system light path design is finished, and its mathematical model is completed

    首先,分析了原子力探針的中原子力?的關,並確探針的探針的工作模式和樣品的掃描模式,從而選擇壓電陶瓷作為掃描微移驅動器;採用光學偏轉法檢測微懸臂偏轉量,並選用了psd作為傳感元件,並在此基礎上進行了光路設計及其數學模型的建立。
  14. It was the function of development location ( l ), development potential ( p ) and harmonious degree ( / / ) ? ^ means the level or status of system development, p means the gap between the development speed of system and expectancy value, h describes the harmonious and coincident degree between systems and / or factors during development processes

    發展度是由發展、發展勢和協調度組成的函數。其中,發展量描述了發展水平,發展勢表現了發展速率與理想發展速率之間的、協調度反映了組成成份之間的藕合效果。
  15. This paper mainly studies the coupling error caused by induction voltage phase difference, and fluctuation of directional sensitivity caused by changes in near - field difference slope. the trend of system sum and difference phase difference, directional sensitivity and cross - coupling with change in distance is compared and discussed when the antenna is in the near - field and at a certain elevation

    本文著重研究了因近場感應電壓相差引起的耦合誤差,以及近場天線差斜率變化引起的向靈敏度的變化;討論了天線在近場並有一仰角的條件下,隨著的變化,和、差相差、向靈敏度與交叉耦合的變化趨勢。
  16. In this paper, systematic numerical test have been carried out to study the stability of surrounding rock mass with different distribution of weak interbed, different distance between weak interbed and limit of excavation, different thickness of weak interbed, in the different confining coefficient and representational surrounding rock mass graded ii, iii, iv. all of the numerical modeling is plain - strain type with elastic - plastic constitutive law and mohor - coulomb failure criterion, through the integrated numerical analysis program final. plentiful numerical test results have been drawn via analyse the deformation, tensile stress region, plastic region of surrounding rock and the stress status of shot - crete

    大量的工程實踐表明,軟弱夾層對地下洞室圍巖穩性的影響有著決性的作用,本文以大型數值模擬分析final為平臺,採用彈塑性應力應變關和m - c屈服準則建立平面應變問題有限元模型,對軟弱夾層的分佈部、分佈、軟弱夾層的厚度對圍巖穩性的影響以及在具有不同側壓力數的地應力場中和、 、類代表性圍巖中軟弱夾層對圍巖穩性的影響進行了的數值試驗,研究得出了軟弱夾層對圍巖移、拉應力區、塑性區以及噴射混凝土層內力等影響豐富的量化成果,以便直接為工程設計人員提供參考。
  17. If the location of calibration block is changed, and several computation is processed toward different coordinates every time, the internal parameters such as uo, vo, f, d will not change. through lots of times calibration, the result is averaged, the precise result will be obtained. after the pretreatment, an image easy to recognize and understand for computer is produced

    這樣變動標塊在世界坐標的置,在進行幾次標計算,每次雖然相對于不同的世界坐標,但對于不變的同一個,內部參數u 、 v 、 f ,攝像機之間的d ,都不會變化,這樣通過多次標后,將結果進行加權求平均,可得到精確的結果。
  18. Active underwater acoustic positioning / tracking systems locate target by measuring the range from object to receiving sensors. usually the target - receiver range can be got by the propagating time of a signal pulse. if this propagating time is larger than the pulse repetition period, it will mean that more than one signal pulse are on propagation

    主動水聲跟蹤通過測量脈沖信號的傳播時延可以測得目標相對接收機的,當此傳播時延大於同步周期時,時延測量就會呈現不確性,可能相差若干個重復周期,導致解多值,稱之模糊現象。
  19. Active detection systems, such as radar and sonar, have encountered more and more threaten in modern electronic warfare and information warfare. passive location and tracking system, which uses electromagnetic wave emitted by target, has been proved its merits of self - hiding and far - distance detecting and becomes more and more important

    現代電子戰和信息戰條件下,雷達和聲納等有源探測受到越來越多的威脅,利用目標輻射電磁信息的無源由於其自身隱蔽和探測遠等優點而日顯重要。
  20. Hence, single station passive locating system has gradually received extensive attention for the advantages of being hard to be detected, strong antijamming ability and long detecting range

    單站無源以其隱蔽性好、抗干擾能力強、作用遠等優點逐漸成為研究人員的關注焦點。
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