重定基線 的英文怎麼說
中文拼音 [zhòngdìngjīxiàn]
重定基線
英文
re-baseline-
Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports
首先，在前人研究成果的基礎上，對錨桿與圍巖的相互作用機理進行研究，利用全長錨固錨桿的中性點理論，從等效均化的角度來考慮錨桿對圍巖的加固作用，並推導了在簡單荷載作用下，含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解，對工程設計有著重要的參考意義；在數值模擬方面，以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎，利用虛功原理推導了接觸問題的有限元方程的計算格式，為開發運用大型商用有限元軟體msc . marc提供了理論根據，也形成了本文的理論基礎：最後，論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例，利用本文所述的接觸問題的摩擦模型理論，對錨桿支護結構的應力場、位移場的變化規律進行了研究，分析了加錨支護對隧洞圍巖應力、變形的影響。On the demand of application and according to the soluhons menhoned above, a method of displacement waiting auto - sy ' nchronizing is put forward, which is based on match filters. at the end a complete and speeflc set of hardware circuits and software programs which haplements the scheme, is also presented in the ancle. the synchronization system was tested in the pool and in the shallow wate near m port, the result of the test shows that its performance is satisfactory
論文著重介紹實現了跳頻通信系統同步的一般方法，並詳細分析和對比跳頻同步系統的捕獲方案，在此基礎上，提出了一個基於匹配濾波器的位移等待式自同步方案，設計、完成並給出了詳細硬體連線電路圖、軟體程序流程圖和部分程序清單，該自同步方法在實驗室水池實驗取得良好的效果，並在廈門港海域進行了現場實驗測試，具有較低的誤碼率和一定的檢測概率，結果令人滿意。And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed
研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。The gyro vertical utilizes a gyroscope as an integrating device to obtain the average position of a pendulous gravity reference.
垂直陀螺利用一個陀螺儀作為積分裝置以得搖擺不定的重力基準線的平均位置。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。First, how to conduct sample and quantification of continuous time signal which is prior condition of sdr is explored in detail, and the comparison and analysis of some sample modes are given in which band pass signal sampling theorem is most important. second, multi - sample rate signal processing which is an important basis of sdr is studied. emphasis are put on decimation and interpolation those are the most fundamental process and the realization of decimation and interpolation filter
在基於中頻采樣的軟體無線電結構框架下，首先詳細探討了軟體無線電的前提條件，即如何對連續時間信號進行采樣量化，比較分析了幾種采樣的方式，其中最為重要的是帶通信號采樣定理；然後探討了軟體無線電的一個重要基礎，即多采樣率信號處理，重點討論其最基本的兩個過程抽取和內插以及抽取器和內插器的實現；接著介紹了結構簡單、適用於一級抽取的cic濾波器和適用於做2倍抽取的半帶濾波器；再次論文在總結了傳統的調制解調基礎上，結合軟體無線電器件的特點，系統的探討並實現了基於正交思想的am 、 fm 、 ask 、 fsk 、 bpsk 、 qpsk的正交調制解調演算法。Baseline studies, needs analysis, diagnostic laboratories, quality control standards, testing protocols, herd health programs, immunization strategies and food safety issues will be addressed and dealt with to the extent feasible within the limited budget and resources
在有限的經費和資源下，基線調查需求分析診斷實驗室質量控制標準測試規定動物健康計劃免疫程序和食品安全等問題將得到最大程度地重視可行性。Permanent surveying markers as referred to in paragraph 1 of this article include wooden or steel signals and stone markers established at triangulation points, baseline points, traverse points, military control points, gravimetric points, astronomic points and leveling points of various orders and classes, as well as fixed markers used for topographic mapping, engineering surveying and deformation measurement, and installations at seabed geodetic points
第一款所稱永久性測量標志，是指各等級的三角點、基線點、導線點、軍用控制點、重力點、天文點、水準點的木質覘標、鋼質覘標和標石標志，以及用於地形測圖、工程測量和形變測量的固定標志和海底大地點設施等。Study of the regional stability and preliminary siting of the anqing bridge are the important, basic work prior to the construction of the bridge
安慶長江公路大橋區域穩定性及預選橋位線方案是大橋建設前期的一項重要基礎性工作。Based on the engineering practice of the waihuan station in shanghai urban mass transit line 9, this paper analyses the structure form of the deep foundation pit and the key - nodes design by using the top - down invert method, so as to optimize the engineering
摘要以上海軌道交通9號線外環路站為實例，介紹了部分逆築法施工的地鐵車站深墓坑圍護結構形式，及其結構設計；著重介紹了基坑圍護結構的計算模型設定、基坑穩定性計算，及圍護結構的基礎施工步驟。Thirdly, based on the thought of motion - based ambiguity resolution, a bi - satellite attitude determination method using non - planar baselines is developed making full use of the satellites ’ geostationary property. focused on movement mode demands, the dissertation brings forward a method by large angle yawing movement accompanied with small angle pitch vibration to efficiently solve the rank deficiency problem of vehicle planar motion
再次，在基於運動解模糊的思想基礎上，充分利用北斗衛星對地靜止的特性，提出了一種非共面基線的雙星定姿方法，並重點分析了對運動特性的要求，提出通過伴隨小幅俯仰擾動的大角度偏航運動方式來有效解決載體平面運動的觀測矩陣秩虧問題。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。In order to realize the monitor and control of important manufacturing parameters during the tread extruding, feeding, contracting, cooling, weighting, cutting, a control system based on profibus - dp is developed for a tread extruding line in yellow sea rubber group, qingdao
論文針對青島黃海橡膠集團的大型新建項目? ?胎面擠出聯動生產線，設計開發了一套基於profibus - dp現場總線的控制系統，實現胎面擠出、喂料、收縮、冷卻、稱重、定長裁斷、溫控等全鋼載重子午線輪胎胎面生產重要工藝參數的監測和控制。7. based on the comparison with dual band gps phase and c / acode, ambiguity function method, least squares search, ambiguity solution covariance, cholesky disintegrate and least square ambiguity decorrelation adjustment, it is considered the method of ambiguity function using double gps antennas to move baseline and the equation of dual differential carrier phase
在分析雙頻p碼偽距法、模糊度函數法、最小二乘搜索法、模糊度協方差法、 cholesky分解法、和lambda演算法的基礎上，重點研究基於雙gps天線動一動基線載波相位雙差整周模糊度確定方法。Furthermore, it is insure that the carrier pahse measurement data does not have cycle slips in gps based attitude determination system, using phase rate prediction algorithm and baseline length constraint information algorithm, the cycle slips can be detected and corrected successfully, which markedly reduce the initialization numbers of attitude determination system
此外，在gps姿態測量系統中，必須保證載波相位觀測數據中無載波相位周跳，本文提出的多普勒預測演算法和基線長度約束相結合的方法能有效的檢測和修正載波相位整周模糊值固定前和固定后的周跳問題，減少了姿態測量系統重新初始化的次數。Shorter product development and delivery cycles, the need to support multiple output formats no longer just books, the shift to online and web - based content delivery, and the move to componentized products have all increased focus on the need for a content architecture that promotes greater reuse, repurposing, and integration of information assets, both within and across organizations
更短的產品開發和交付周期、支持多種格式（不僅僅是圖書）的要求、向在線和基於web的內容交付的轉移、產品組件化的潮流，使人們更多地關注建立一種內容體系結構的需求，這種體系結構可以促進信息資產的重用、重定位和集成，無論在組織內部還是組織之間。In section three of this chapter, the author adopt to the gap analysis, 1995 - 2004, 10 years of 10 commercial bank interest rate sensitivity ratio calculation, give analysis of commercial banks ` irr assessment capabilities in the 10 years of market - oriented reforms, the level of
這也是本文著力于探討利率風險評估的原因。對于商業銀行而言，利率風險取決於市場利率的波動程度和資產負債表期限不匹配的程度。重定價風險、基準風險、收益率曲線風險和期權風險A linear camera self - calibration technique based on projective reconstruction
基於射影重建的線性攝像機自標定方法Tourist routes around junggar basin and along the entire boundary nesting superposition, which has already had solid foundation for the development of certain tourist routes
準噶爾盆地旅遊線路與全疆旅遊線路嵌套重合，已經具備了一定的線路開發基礎。Another important content in this chapter is that we linearly calibrate the nonlinear parameters of camera based on the rectification features of lens and the fact that projective transform converts a line into a line
本章中另外一個重要的內容是，基於透鏡畸變的特點並根據射影變換保持直線不變的約束條件，線性地確定非線性內參數。分享友人