測距定位系統 的英文怎麼說

中文拼音 [cèjùdìngwèixìtǒng]
測距定位系統 英文
range positioning 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...
  • 定 : 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...
  • 位 : 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 : 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. 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《飛機起落航跡激光定位系統》測定飛機起飛著陸滑跑距離的測試方法，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距離的綜合修正系數值，為高原機場跑道長度設計提供了可靠的理論依據。
  2. In this paper, the radiolocation technique and principium of ofdm in the cell - communication system were introduced firstly, and sensitivity of ofdm system to synchronization was analyzed. then, two methods of timing synchronization based on the cyclic prefix and pilot sequence were introduced, and a novel timing synchronization method based on pilot sequence was presented, which provided a correlation peak with pulse shape

    由於ofdm系統中的定時同步要求和無線定位中的測時測距在本質上是一致的，所以本文緊接著分析了基於循環前綴和導頻序列的兩種定時同步方法，並提出了一種新的基於導頻序列的具有脈沖形狀相關峰的定時同步方法。
  3. In this dissertation, the location estimation methods for mitigating the influence of the nlos propagation and the location parameters estimation methods for ds - cdma cellular radio systems are studied. furthermore, the influence of the nlos propagation on the performance of radiolocation systems is analyzed. moreover, by using pilot sequences from the base station ( bs ) in wireless cdma cellular networks, the techniques for detecting and locating and tracking for 3 - d moving target are provided

    本論文針對蜂窩網中移動臺定位這一熱點，研究了移動臺定位的非視距影響減輕技術以及適用於ds ? cdma系統的定位參數估計技術，分析了非視距對定位性能的影響，並研究了利用蜂窩網路資源對三維運動目標的檢測、定位與跟蹤技術。
  4. 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定位系統中的用戶設備，主要用於接收衛星信號和電文，由無線電信號測定用戶至衛星的距離，或多普勒頻移等觀測量;根據導航電文，計算觀測衛星的位置和速度，根據觀測量和衛星的位置、速度，解算出用戶的位置和速度。
  5. It makes use of resource of the chip, realizes the development of every module, achieves distilling of telegraphese, builds up new frame, calculates the position and provides external interface. in the section of calculating the position, the author combines the two measures of carrier phase position and code position. finally, in the platform of matlab, the author completes the function simulation of main modules

    概述了接收機的設計原理;詳細描述了基於ti公司的tms320c6713dsp晶元的系統程序設計中各模塊的實現，利用該晶元的資源，實現各模塊的調度，完成對導航電文的提取，重新組幀，定位解算以及對外介面;在解算部分，把載波相位定位與碼測距定位相結合，利用載波相位對偽距的平滑來提高定位精度;在matlab平臺下進行了各模塊的功能模擬測試，以模擬結果的圖表來分析說明了載波相位平滑偽距的兩種演算法能使定位精度有一定的提高。
  6. Fault location techniques are used to pinpoint location of the fault on a tra - nsmission line. transmission line faults must be located accurately to allow maintena - nce crew to arrive at the scene and repair the faulted section as soon as possible, which can relief the burdens of patrol personnel and reduce the revenue losses due to power outage. the accurate fault location alogrithms play an important role in power system safety, economy and reliability. in this paper, diversified fault location algorithms are summarized. according to the principles of algorithms, they can be classified into two categories : impedence based algorithm and traveling wave based algorithm. based on the analysis and comparission of each algorithm, the corresponding merits and app - lication limitations are presented

    精確的故障定位為現場巡線工作人員及時提供準確、可靠的信息，減輕人工巡線的負擔，同時加快線路的恢復供電，減少因停電造成的綜合經濟損失，為提高電力系統運行的安全性、經濟性和可靠性發揮重要的作用。本文總結了現有的各種測距方法，根據測距的原理將其分為阻抗法和行波法兩大類，對各種演算法的優缺點及適用范圍進行了分析，在此基礎上提出了一種組合的測距方案，並對演算法進行了模擬分析。
  7. 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。
  8. 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位點與片段； 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；轉換顛換比與遺傳距離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系統樹表明：浙江群體已產生了一定的分化。
  9. 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定位的多基地定位系統；依據機載有源無源探測器所能獲得的測量量，提出了兩種定位方法：斜距離測量定位法和基於卡爾曼濾波的方位測量定位法。
  10. 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系統隱蔽攻擊和硬殺傷的趨勢下，採用被動方式工作的無源定位方法作為定位方法發展的一個重要方向和對現有定位系統的完善，較有源定位方法具有作用距離遠、隱蔽接收、不易被對方發覺的優點，對于提高系統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。
  11. 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定位系統具有機動性強、自身隱蔽和探測距離遠等優點，因此它具有重要的應用價值。
  12. 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定位系統具有自身隱蔽和探測距離遠等優點，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。
  13. 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。
  14. By using high - speed data acquisitioning unit designed specially to capture travelling waves of transient current, using global positioning system ( gps ) to supply high precise time tagging for both ends, using wavelet transform theories to identify the head of the travelling waves, the fault locator can realize high precise double - ended travelling waves location

    該測距裝置採用專門設計的高速采樣單元捕獲暫態電流行波信號，用全球定位系統（ gps ）為線路兩端提供精度高達1 s的統一時標，用小波變換理論識別暫態電流行波波頭信息，從而可以實現高精度的雙端行波法測距（ 150m ） 。
  15. All the major crane manufacturers have been devoted to solving these problems ; few ideal resolutions have been obtained yet. though. with the development of gps technology. some tentative new methods to deal with such problems are made possible. this paper probes into how to apply gps technology - global position system with the function of measuring time and distance by use of navigation satellites into integrated container rtp

    各大製造廠長期以來致力於這些問題的研究，但效果似乎並不理想。 gps的誕生及技術性能的提高為輪胎吊這些問題解決提供了新的方法。 gps的含義是利用導航衛星進行測時和測距，以構成全球定位系統，本文就gps在集裝箱rtg上的應用進行探索和研究。
  16. The main tasks of this thesis are as follows : ( 1 ) a two - terminal fault location arithmetic based on the synchronization sampling of gps has been brought up. ( 2 ) because of the cost of gps and the truth that there is phase difference of two - terminal, the two - terminal fault location arithmetic is faced up with facts that how to keep the sampling data of two - terminal synchronous. according to that, two new methods are proposed, which do n ' t need the synchronized sampling data of two - terminal

    全文主要工作如下： （ 1 ）利用全球定位系統gps的授時功能，提出了基於gps同步采樣的雙端故障測距演算法； （ 2 ）由於增加gps硬體設施，造價比較高，且客觀上雙端數據存在著不同步相差，雙端故障測距法所面臨的主要問題是兩端數據采樣的同步問題，針對這一問題，本文又提出了兩種不需要兩端數據采樣同步的工頻故障測距新方法，基於powell方向加速法和基於遺傳演算法的故障定位演算法。
  17. 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

    主動水聲跟蹤定位系統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距離，當此傳播時延大於系統同步周期時，時延測量就會呈現不確定性，可能相差若干個重復周期，導致定位解多值，稱之距離模糊現象。
  18. 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系統受到越來越多的威脅，利用目標輻射電磁信息的無源定位系統由於其自身隱蔽和探測距離遠等優點而日顯重要。
  19. ( 7 ) the warships bearings - only passive location system and its engineering implement is researched, the operation flow and methods of over - the - horizon concealed missile attack using single and multi - warship bearings - only passive location system is presented. the direction finding data calibration and pretreatment based on uniform speed straight movement are also studied

    7進行了艦艇純方位無源定位系統及其工程實現方法的研究，給出了應用單艦和多艦純方位無源定位系統引導反艦導彈實施超視距隱蔽攻擊的方法和作戰流程，研究了基於勻速直線運動的測向數據校準處理方法和測向方位角數據的預處理方法。
  20. The improved schemes with adding pseudo satellites based on the actuality to get more observed quantities are presented in this paper and optimum layout of the pseudo satellites is also pointed out

    通過模擬對三星定位系統的gdop特點進行了研究。本文提出在現有雙星系統基礎上增加偽衛星偽距觀測量的改進方案，並對方案中的偽衛星進行最佳配置。
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