短基線 的英文怎麼說
中文拼音 [duǎnjīxiàn]
短基線
英文
short base line-
Its main contributions include the following several aspects : firstly, the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry. orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method, and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there. by analyzing the definite factors influencing orientation precision, the dissertation develops the concept of orientation dilution of precision, which uncovers the internal cause of exotic error behavior of bi - satellite orientation, and has important guiding significance for practical engineering applications
本文系統地研究了基於「北斗一號」衛星載波相位干涉測量原理實現地球靜止雙星定向的相關技術，主要研究成果包括以下幾方面:首先，建立了利用兩顆地球靜止軌道衛星進行短基線定向的數學模型，分析了載波相位干涉測量的適用條件;採用傳統的線性化解析法及蒙特卡洛隨機模擬法兩種途徑對雙星定向的精度進行了詳細分析，數學模擬結果表明在高緯度地區線性化解析法由於俯仰角誤差分析精度略有下降而不太適合;在分析定向精度確定性影響因素的基礎上，提出了雙星定向精度衰減因子odop的概念，揭示了雙星定向誤差特殊表現的內部機理，對實際工程應用具有重要的指導意義。The short - baseline interferometer ’ s angle measurement accuracy is influenced by phase difference measuring accuracy, the base length measuring accuracy, the system operating wavelength ( frequency ) and so on, the article analyzes the existing theory, and emphatically analyzes the influence of base length measuring accuracy to the precision of angle measurement
短基線干涉儀測角精度受相位差測量精度、基線長度測量精度、系統工作波長（頻率）測量精度等因素的影響，文中，在對原有理論進行分析的基礎上著重分析了基線長度測量精度對系統角度測量精度的影響。A method has been developed to calibrate the positions of the transducer and the transponder in the ultra - short baseline acoustic position system ( usbl )
摘要提出了超短基線水聲定位系統（ usbl ）的校準方法，並用模擬數據進行了驗證。This article develops a research on the underwater acoutics position technology with the short array - group and designs hardware of this system based on application background, which includes the receiver, controlling sub system and interface sub system and the wave ( data ) collecting sub system
本論文對短基線水聲定位技術進行了研究並設計了基於工程應用背景下的硬體電路系統。主要包括：接收機分系統、控制及介面分機分系統和波形（數據）採集分系統。In order to enhance the meter - wave radar ’ s precision of azimuth measurement, the short - baseline interferometer is chosen to measure the azimuth of the target
為了提高米波雷達的方位角測量精度，文中選擇了短基線干涉儀角度測量體制。Research on angle measurement accuracy of short - baseline interferometer system
短基線干涉儀系統角度測量精度的研究。A real - time estimation of a prior variance - covariance of gps observations is developed for the ( near ) instantaneous ambiguity resolution for short - baselines, which improves the stochastic model of the observations, and then the success rate and the reliability of ambiguity resolution
針對短基線模糊度的快速解算，提出了一種實時估計觀測值方差-協方差矩陣的方法，改進了觀測值的統計模型。算例顯示這種方法能提高模糊度瞬時解算的成功率。Practice and application of gps in short base - line net
在短基線控制網加密中的實踐與應用Research on application of short - baseline interferometer system
短基線干涉儀系統的應用研究。A new technique for liquid refractive index measurement by stratified film interference
超短基線水下定位的關鍵技術分析Ultra short base line
超短基線系統4. to the situations of short - baseline, a genetic algorithm of search for ambiguity solution with horizontal model is studied
針對短基線的情況，研究基於平面模型的浮點數遺傳搜索演算法來確定整周模糊度。The experimental results show that this method is more reliable and practical than that in the commercial usbl system
同商業超短基線定位系統相比，該方法具有精度高、結果可靠、對校準環境要求不高等特點。The application of the ultra - short baseline theory to detect and localization of the mine is mainly researched in this dissertation
本論文主要研究將超短基線被動聲定位理論實際的應用到水雷的被動目標探測與定位上。Firstly, the basic theory of the ultra - short baseline system is dissertated. and then, several typical localization model of four cell lineup is analyzed and investigated thoroughly. a optimal localization model is educed by contrasting performance and analyzing precision
首先論述了現有超短基線被動聲定位系統的基本理論，緊接著深入研究了幾種典型的四元方陣的定位模型，通過性能對比、精度分析，討論得出了最優的定位模型。For the two parts mentioned above, this paper introduces a high precision positioning system for underwater application, which is made up of dgps and acoustical ultra short baseline. in this positioning system, the emphasis has been put on the mathematical model for positioning computation, and based on the model the author has given computer simulation results for positioning computation
在本論文中，介紹了一套由dgps和水聲超短基線構成的水下精確定位系統，重點建立了用於此系統定位解算的數學模型，進而以該模型為基礎進行了定位解算的計算機模擬模擬，模擬結果進一步驗證了數學模型的正確性和系統的可行性。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。Research on solving phase ambiguity of short - baseline interferometer system. short - baseline interferometer has phase ambiguity in processing of angle measurement, the reason of phase ambiguity and several solutions to phase ambiguity are analyzed in the article, furthermore, a new method that suit to the short - baseline interferometer is proposed ? solving phase ambiguity through frequency conversion, the computer simulation results confirm its effectiveness
在短基線干涉儀測角體制下，存在著測角多值模糊問題，文中除了對測角多值模糊產生的原因及目前存在的幾種解模糊方法進行了簡單分析外，還提出了適用於短基線干涉儀的新方法? ?變頻解模糊方法，計算機模擬驗證了其解角度多值模糊的有效性。Precise kinematic gps surveying in single - baseline mode is investigated with the emphasis on the ( near ) instantaneous ambiguity resolution for short - baselines, on the ambiguitiy resolution for long - baselines and on quality control. the main achievements of this paper are as follows : 1
本論文針對單基線動態測量模型，就短基線模糊度快速解算、中長距離模糊度解算、 gps動態測量（包括定位、測速和姿態測量）以及周跳檢測與修復等質量控制問題展開研究。The principle of angle measurement of short - baseline interferometer is that using phase difference between returning signals to obtain the angle of the target. the method has high precision, but has the phase ambiguity problem inevitably, the article give the explanation to the short - baseline interferometer about these two questions
短基線干涉儀測角的基本原理是相位法測角，即利用系統中不同接收站之間的相位差來獲得目標的方位角信息，具有測角精度高的優點，但卻不可避免的存在著測角模糊的問題，文中對短基線干涉儀這兩個基本問題進行了說明。分享友人