無源定位 的英文怎麼說

中文拼音 [wúyuándìngwèi]
無源定位 英文
passive location
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 源 : 名詞1. （水流起頭的地方） source （of a river）; fountainhead 2. （來源） source; cause 3. （姓氏） a surname
  • 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...
  • 無源 : [無線電] passive無源電路 passive circuit; passive electric circuit; 無源天線 passive antenna; ref...
  1. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動學原理的單站無源定位理論基礎上，本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型，並對它們進行了分析和模擬；第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件；第四章針對傳統擴展卡爾曼（ ekf ）方法的缺點，提出了一種修正協方差的擴展卡爾曼濾波（ mvefk ）方法，並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較；第五章通過引入雷達機動目標跟蹤方法和模型，提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法；第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究，提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。
  2. The sixth chapter studies the techniques in measuring the bearings changing rate and centrifugal acceleration, and poses several algorithms of measuring pulse doppler shift frequency changing rate. to sum up, this paper studies the key problems in soplat based on particle kinematics and some solutions to them

    總而言之，本文系統地研究了基於質點運動學的單站無源定位與跟蹤領域的主要關鍵技術問題並提出了相應的解決方法，其中某些分析結果和方法可直接應用於實際的工程應用。
  3. Ekf algorithm is the most classical nonlinear method, successfully applying in many passive localization problems

    Ekf演算法是最經典的非線性估計演算法，在無源定位中有不少成功的應用。
  4. An algorithm for the moving emitter passive location and tracking based on toa and doa measurements by a single fixed station is given

    提出了一種測量目標輻射源脈沖到達時間和到達方向實現固定單站對運動輻射源進行無源定位的演算法。
  5. Conventional single - observer passive locating methods are low in speed and precision. moreover, corresponding locating precision is sensitive to direction measurement errors, which puts forward high demands on measurement equipments impersonally

    傳統的單站無源定位方法總的來說具有定位時間較長、定位精度較低的特點，並且定位精度對方向測量誤差非常敏感，在客觀上對測量設備提出了較高的要求。
  6. The single - observer passive locating method with phase difference rate of change and some key technologies - are studied in this dissertation on the applying background of locating remote slow offing targets with fast plane. this dissertation is outlined as follows

    本文面向快速運動的空中觀測平臺對海面慢速運動目標定位的特定應用背景，利用相位差變化率方法進行了單站無源定位體制和關鍵技術的理論研究。
  7. This method includes two kinds of observation data for the correlation rule, hence resulting in enhanced spatial resolving capability. weighted track fusion with cep as weight is proposed. this method has less calculation and notable result

    同時根據無源定位系統觀測誤差的分佈特性，提出了以為權因子的加權航跡融合演算法，該融合演算法計算量小，效果顯著。
  8. 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。
  9. Passive localization and tracking technology plays an important role in the electronic warfare, because it works silently without any electromagnetic radiation

    無源定位跟蹤技術自身不輻射電磁波，具有很好的隱蔽性，在電子對抗具有重要意義。
  10. 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

    由於無源定位技術能在自身不輻射的條件下，隱蔽地確定輻射源位置，具有作用距離遠、抗干擾能力強的特點，對于提高系統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，因此對于無源定位技術的研究越來越受到各國的重視。
  11. Based on analyzing the mechanism of direction finding triangulation location and location accuracy for two - ship passive locating, the acquisition probability model of anti ship missile terminal guidance radar is presented for two - ship passive locating : and the effects of the key factors to the probability are analyzed, and then the primary factors are pointed not by analyzing the results in different conditions

    摘要首先簡要介紹了無源定位技術，然後著重分析了雙艦無源測向交叉定位以及其誤差產生的機理，在此基礎上，給出了雙艦無源定位情況下實施超視距攻擊時，反艦導彈末制導雷達開機時刻對目標的捕捉概率模型，並通過模擬分析雙艦距離。
  12. Application of non - linear filtering algorithms in passive location

    非線性濾波演算法在無源定位中的應用
  13. Application of sample filtering algorithm in single observer passive location

    采樣濾波演算法在單站無源定位中的應用
  14. Algorithm for passive localization based on mvekf modified covariance extended kalman filter

    演算法的機載單站無源定位
  15. Observability of maneuvering target passive tracking with bearing and doppler measurements

    基於方位角和多普勒的機動目標無源定位跟蹤可觀測條件
  16. Method amp; precision analysis of direction - finding and position based on satellites passive location system

    星載無源定位系統測向定位方法及精度分析
  17. For completeness of discussion chapter 2 provides fundamental of location estimation and error analysis

    為了論述的完整性，第二章討論無源定位跟蹤的原理、方法及誤差分析。
  18. A new in time passive location system based on multi base - line interferometers is proposed

    摘要針對單站無源定位系統及時定位的需求，提出了一種基於長短基線干涉儀的無源定位系統的設計方案。
  19. Essentially, passive localization and tracking technology consists of localization and tracking measure methods and algorithms

    無源定位跟蹤技術實質上是定位跟蹤方法和定位跟蹤演算法的融合。
  20. In chapter 4, spkf algorithm and its application in passive localization is studied deeply, especially, ukf is mainly studied

    第四章對spkf演算法及其在無源定位中的應用作了較深入的研究，其中又以ukf為研究重點。
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