有源定位 的英文怎麼說
中文拼音 [yǒuyuándìngwèi]
有源定位
英文
active location- 有 : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
- 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...
- 有源 : [電學] active有源電路 active circuit; 有源器件 active device; 有源天線 active antenna; 有源衛星 active satellite
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Based on these theories, this paper discusses the method of design of the rectangular gunn integrated active microstrip patch antenna in detail. the size of the active antenna and the location of the device in the antenna is obtained at the specified operation frequency
根據這些理論,詳細討論了一種集成gunn二極體的矩形有源微帶貼片天線的設計,得到了在給定的工作頻率下的有源天線尺寸和有源器件的位置。The afterheat, which is collected by recovery devices, in winter can be used as the low level thermal source of heat pump, and in summer can preheat feed water, thus equivalent an economizer. because energy flows in the system so reasonably that energy is used to the most, therefore, its energy conservation effect is significant, and the operating expenditure declines consequently. the sewage can be reused after due treatment, thua it has a certain social and ecological benefit, too
本研究中選用分離式熱管裝置提供洗浴用水,利用水源熱泵裝置,一機兩用,進行空間供熱和製冷,並通過余熱回收器對系統內的余熱進行回收,冬季可作為水源熱泵的低位熱源,夏季可對鍋爐給水進行預熱,起到「省煤器」的作用。這樣實現系統內的能量合理流動,從而達到節能的目的,同時洗浴污水經適當的處理后可以回用,因而還具有一定的社會和生態效益。Space environment threaten orbited spacecraft " s safe functioning and astronaut " s health, influence greatly communication depended on based - space way, airmanship orientation, military detection, aim identification, weather observation and source exploration and so on by all sorts of function ( magnetic storm, solar proton event and so on )
空間環境通過各種效應(如磁暴、太陽質子事件等)對在軌航天器的安全運行及航天員的健康構成了嚴重的威脅,對依賴于天基手段的通信、導航定位、軍事偵察、目標識別、氣象觀測、資源勘探等等均有重要影響。It expounds the origin of bankruptcy administrator system, gives a general introduction to specific bankruptcy administrator system of such countries like germany, japan, us and uk, etc, and makes summaries and comments on the history and status quo of our bankruptcy administrator system, thus it provides a solid theoretical foundation for the following discussion. in the second section, the author discusses the nature and status of bankruptcy administrator. on the basis of introduction, comparison and evaluation of various theories of legal systems of civil law and common law, this paper comes up with the view point that it is appropriate for china to establish the bankruptcy administrator system with the trustee system as its core, it redefines the bankruptcy administrator and provides theoretical base point for the perfection of the bankruptcy administrator system in china
本文的第一部分從考察破產管理人制度的歷史沿革入手,在闡釋了破產管理人制度的起源之後對德、日、美、英等國各具特色的破產管理人制度進行了總體的介紹,並對我國破產管理人制度的歷史和現狀進行了綜述和評介,為展開後文的論述提供了深厚的理論背景;文章的第二部分就破產管理人的性質和地位問題展開討論,在介紹、比較和評價大陸法系與英美法系關于該問題的各種學說基礎上,提出了我國宜以信託制度為核心,確立破產管理人制度的觀點,對破產管理人進行了定位,從而為後文完善我國破產管理人制度的構想提供了理論基點;最後,文章就如何完善我國破產管理人制度提出了一些構想,主要對破產管理人的選任和撤換、破產管理人的權利和義務、對破產管理人的監督機制等方面的制度建構和完善提出了一些具有現實意義的設想和建議。While dissertating the functions of ngos, the author attempts to discard traditional approaches discussing in general functions of ngos ’, but tries to make further expansion, clarify the functions of ngos different fields during the transformation period, and discuss mainly it ’ s two major functions in accelerating social development and the reform of the government ; meanwhile, this article also points out the main problems of ngos in the transformation period : the indeterminate circumscription between ngos and government organizations, misplaced the organization goals, undivided functions of community and politics ; the lapsus in management and difficulties in operation caused by double management system ; the low level of ngos ’ internal management, weak survival ability, and the limited ability in mobilizing resources ; deficient management evaluation mechanism in ngos ’ ; low level of legalized management of ngos ’
在論述非政府組織的作用時,試圖拋開過去泛泛而談其作用的做法,做了進一步的拓展,釐清轉型期非政府組織在不同領域的作用,將其主要定位在對促進政府改革的作用和在社會發展中的作用兩大方面。同時,本文也指出了轉型期非政府組織存在的主要問題:非政府組織與政府組織的界限不明確,組織目標錯位,政社不分;雙重管理體製造成管理體制的漏洞和運作上的困難;非政府組織內部管理水平低,生存能力較弱,資源動員能力有限;非政府組織內部管理評估機制匱乏;非政府組織管理的法制化程度低等。The results showed that the f fragment, 728bp in length, could be a new gene with a little homology to the genes coding for polyketide synthetase or fatty - acid synthetase and the b fragment, about 4kb in length, is inferred to have repeat sequences around tn5 insertion site, in which there is homology to the wa 314 right arm of the high - pathogeniciry island of yersinia enterocolitica. to reveal any pathogenicity of enterobacter cloacae b8 and its mutated strains b8b and b8f to animals, the experiment with mice was carried out
結果顯示, f片段長度為728bp ,與現有生物數據庫的blast比較分析,發現該序列僅有局部短於1oobp的區域與polyketide合成酶基因或與脂肪酸合成酶基因有低的同源性,推測為一新基因; b片段長約4kb ,序列拼接結果推測靠近tn5插入位點部位有重復序列,對b片段tn5遠端的部分序列進行blast比較,發現它與小腸結腸炎耶爾森氏菌的強毒力島有一定的同源性。According to marketing segmentation theory and positional theory, the paper considers the corporation ’ s ability and resource and chooses the professional hybridized pig culturist and scattered hybridized pig culturist. after making a market research and gaining the data and using the joint - analytical method of orthogonal design method to calculate the product preference of market culturist, then comparing the market position of competitor, the paper ensures kangda corporation ’ s product position to supply the differential marketing strategy
在此分析基礎上,本文根據市場細分和定位理論,結合公司的能力和資源,評估和選擇了土雜豬專業戶和土雜豬散戶這兩個具有發展潛力的細分市場,並根據市場調查獲得的數據,採用基於正交設計的聯合分析法分別獲得了目標市場養殖戶購買偏好,結合競爭對手的市場定位,確定了公司市場定位,為后續的差異化營銷策略制定提供支撐。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。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。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。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。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。A fast and accurate algorithm to estimate the frequency of a coherent pulse sinusoid is presented in chapter 3. it is based on the autocorrelation iterative method, and the simulation results show that for the lower snr, this algorithm can accord with the request of the soplat ’ s precision and less computational complexity. therefore, it ’ s a promising algorithm for practical application
在對正弦脈沖信號的頻率估計中,第三章在總結、比較前人演算法的基礎上,選擇了基於自相關迭代的頻率精確估計演算法,並進行模擬分析,結果表明,該演算法在較低信噪比時,可以達到單站無源定位所要求的估計精度,且運算量小,具有廣闊的應用前景。As an important part of the traditional electronic reconnaissance equipments, active locating system has not met the requirements of modern war because of its own drawbacks
作為傳統電子偵察設備的重要組成部分,有源定位系統由於自身的局限性已經不能滿足現代戰爭的要求。Its arnplit ' ude and phase preserve peotation, single measurement or limited measurements could n ' t present the real character of sound field, so it will be more difficult to localize a source by matched field processing or get high accuracy of source localizaion
而聲壓是一個隨機量,幅度和相位存在起伏,單次測量或少量有限次測量不能完整表達聲場特性,這就很難準確進行匹配場聲源定位,其精度得不到保證。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。Traditional matched field processors such as linear processor. minimal variance processor, matched mode processor and so on are almost based on the processing of sound pressure, it is well anown tha sound pressure is a time - vaping qmity
傳統的聲源定位處理器有不少,如線性處理器、最小方差處理器、匹配模處理器等等幾十種,基本上都是基於聲壓場進行的信號處理。In this thesis, passive location algorithms based on particle filter are discussed and monte carlo experimental results prove effectiveness of those algorithms. regarding different scenarios the following part of the thesis is arranged as follows. in the first chapter, background and current situation in location and tracking are briefly introduced
本文研究利用粒子濾波技術實現基於測向信息的單站無源定位的技術,並在此基礎上融合距離信息后,提出一種快速的無源定位粒子濾波演算法,通過計算機模擬,驗證了該演算法的有效性和優越性。By now, there have been a lot of methods to locate resources, such as flooding, random walk, and search on basis of distributed hash table
目前有很多資源定位方法,如泛洪,隨機漫步,基於分散式哈希表的查找等。The emitter location methods commonly include : angle of arrival ( aoa ) measurement, time - difference - of - arrival ( tdoa ) measurement and aoa together with tdoa measurement. this paper derive some important techniques and theories bearing upon passive location in this field. three kinds of passive location algorithm in three - dimensional ( 3 - d ) space are deduced based on that of 2 - d space. at the same time each performance is analyzed, each graph of geometric dilution of precession ( gdop ) is emulated for different station position, different measurement error, and different target height. accordingly some valuable academic and emulational results are obtained by myself, which will provide researches in this field with definite technical refrence. at the end of this paper, the passive location method of jtids ( joint tactical distribution systems ) is discussed, which is expected to enforce the tactical performance of jtids in the intending development
本文汲取了該領域有關被動定位的重要技術和理論,在二維平面無源定位演算法的基礎上推導出了三維空間內的三種無源定位演算法,並對各自的定位性能進行了理論分析和計算機模擬,模擬出不同的布站、不同的測量誤差以及不同輻射源高度的情況下,三種定位方法各自對應的定位精度( gdop )分布圖,同時對各自的定位性能進行了改進處理,得出了一些有價值的理論和模擬實驗結果,這些結論可為今後在此領域的研究提供一定的技術參考。分享友人