等精度觀測 的英文怎麼說

中文拼音 [děngjīngdùguāncè]
等精度觀測 英文
equal observations
  • 等 : Ⅰ量詞1 （等級） class; grade; rank 2 （種; 類） kind; sort; type Ⅱ形容詞（程度或數量上相同） equa...
  • 精 : Ⅰ形容詞1 （經過提煉或挑選的） refined; picked; choice 2 （完美;最好） perfect; excellent 3 （細）...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 觀 : 觀名詞1. （道教的廟宇） taoist temple2. （姓氏） a surname
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 精度 : precision; accuracy; degree of accuracy; precision accuracy; trueness
  • 觀測 : observe; observation; viewing
  1. Firstly, by numerical and theoretical analysis, the author compares some existent confidence intervals, for example, " exact " confidence interval, wald confidence interval and bayesian confidence interval, and finds some deficiencies points of the confidence intervals, whose modification version has been proposed. also, several better confidence intervals such as are also presented. secondly, for given confidence coefficient and interval width, the author constructs a class of asymptotical two - stage interval estimate procedures. at the same time, under varies restriction of confidence coefflcientent interval width, the optional sample size of the first stage has been computed by numerical computation. the numerical computation shows that the method considered in this dissertation have good properties and applied value

    同時，由於poisson分佈的特性，我們知道不存在其參數區間長度小於0 . 5的置信區間，基於這些情況，我們主要展開了以下兩個方面的研究：一是利用數值計算分析與理論分析的方法對現有的若干置信區間如「精確」置信區間， wald置信區間， bayes置信區間等進行分析比較，發現了一些缺陷，針對這些缺陷，我們進行適當的修正，並得到幾種性質較好的置信區間如：修正大樣本區間jeffreys原則下置信區間二是針對已給定的置信系數與區間長度，我們提出了一種漸近的兩階段區間估計程序，並利用數值計算的方法，在各種置信系數與區間長度限定下，算出了最優的第一階段觀測次數（抽樣量） ，大量數據表明，本文考慮的方法性態良好，具有應用價值。
  2. 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。
  3. This is due to the following two facts : the ill - posedness induced by the incompleteness of the observation data can make the solving much more difficult ; in addition, the observation system involved multiple sensors are required to compensate the inaccuracy of the observation equipment, which will inevitably make the cost of the computation prohibitively expensive

    這是因為，一方面，由觀測數據的不完全性等因素導致的病態現象往往會給逆問題的求解帶來很大困難；另一方面，由於觀測設備自身性能和觀測環境等因素的限制，要獲得更高的估計精度往往需要用多個傳感器對目標進行觀測，這必將給求解逆問題帶來由於計算量過大而難以實現的困難。
  4. To overcome this problem, not only the meteorological observation network has to be equipped with automated, higher precision, and more economical devices and instruments, but also a synthetic mobile observation system is required for filling in the data gaps between the surface and upper air sounding stations

    為了克服這一問題，除了研製自動化程度高、測量精度高和性能價格比高的儀器設備來裝備現有的定點大氣觀測網外，還應建設一些流動的大氣監測系統，以獲得常規大氣觀測臺站空檔間（如大洋、山區和荒漠等無人區）的天氣現象和大氣環境變化的信息。
  5. The paper analyze many methods of water demand prediction which include many up to date methods and some in common use, and it bring forward some new combinatorial methods which can meet the need of optimization model in precision, such as season exponent, auto adapt filter, season exponent combined grey model, etc. based on the cost and time of modeling jt mainly study the macroscopic network model which describes the correlation between nodal pressures and water plant discharge

    針對時用水量預測模型，採用季節指數法、自適應指數平滑法、季節指數聯合自適應過濾法、指數平滑聯合自回歸法、季節指數聯合灰色系統法等具體預測方法，其中數種方法預測精度達到工程要求。實踐結果表明，開發的聯合法效果較好。考慮到管網宏觀模型不但能描述整個管網的工作狀態，而且建模所需成本低，運行速度快，省時省力，主要研究了管網宏觀模型的建立方法，分析測壓點布置原理並編製程序。
  6. Due to the advantages such as short response time, easy operation, and convenient to comprehend the wavefront modes, the hartmann wavefront sensor ( h - wfs ) is widely utilized nowadays in real - time adaptive optics system, turbulence statistical characterization, optical components test, light quality evaluation, laser atmosphere communication, the wavefront correction of ultrahigh power laser pulses, as well as human eye aberrations measurement. the detection accuracy is important to the performance of the whole optical system. considerable efforts have been performed in the investigation of h - wfs wavefront detection techniques in past years

    哈特曼波前傳感器具有實時探測，易操作，可以直觀顯示波前畸變分佈等優點，被廣泛地用作自適應光學系統的波前信息探測和波前畸變補償，大氣湍流統計特性表徵，光學元件檢測，光束質量評價，超強激光脈沖波前整形，激光大氣通信以及人眼象差測量等各個領域之中，其探測精度的高低對整個光學系統的工作性能有著極其重要的影響。
  7. This system possesses many specialties including display aim taking on tv set, loading forms quickly, visual display, measurment speed in a high precision, decoding quickly, all - weather work etc

    系統具有電視觀瞄、快速裝表、直觀顯示、測速精度高、解算速度快、全天候等特點。
  8. The new adrc technique was concluded from the related references in recent years, and the adrc theory was systemically introduced, which included tracking - differentiator ( td ), extended state observer ( eso ), nonlinear pid, nonlinear feedback ( nf ) and active disturbance rejection controller ( adrc ), and etc. the author first designs a pd attitude control system, indicating : using pd attitude control, the time of small satellite gesture capture is long and the precision of control is low

    從近幾年有關文獻中總結了自抗擾控制新技術，系統介紹了自抗擾控制理論，其中包括跟蹤微分器（ td ） 、擴張狀態觀測器（ eso ） 、非線性pid 、非線性反饋（ nf ）和自抗擾控制器（ adrc ）等。設計了主動磁控小衛星pd姿態控制系統。指出採用pd姿態控制，微小衛星姿態捕獲時間較長，姿態控制精度較低。
  9. Using new technology of fieldbus and client / server, a real - time and multi - parameter drilling monitoring system with high precision, complete function, beautiful and friendly interface is developed. the system has been applied in drilling scene and gets fine application effect. to solve the problems mentioned above, the article discusses the measuring methods and building of the mathematic model, and by adopting bus and user / server, develops a real - tune multi - parameter drilling monitor system of high accuracy and friendly interface

    本文針對以往國內鉆井參數儀表存在的問題，參考當今國際先進水平，對鉆井參數的建模和測量方法進行了研究，並在此基礎上運用現場總線、客戶服務器等新技術研究開發了一套精度高、功能齊全、界面美觀友好的實時多參數鉆井監測系統。
  10. Both of the prices of raw materials and products and reconciliation precision are integrated into one objective - economic loss. then, sensor network design is defined as a problem of multi - objective optimization. both of the cost and economic loss are used as objectives

    針對物流測量網路，綜合考慮物流價格和變量協調精度，提出了一個經濟損失最小的目標函數，並將線性測量網的傳感器配置問題定義11飯杠大學博士學位論文為一個多目標優化問題，將配置費用最低和經濟損失最小同時作為優化目標，以變量可觀性、冗餘性、控制和工藝要求等作為約束條件。
  11. Precision copper sphere grinders, super - precision copper sphere wrapping machines, copper sphere polishing machines, automatic ball inspectors, laser measurement devices, surface roughness machines, perfect circle measurement machines, digital scopes, etc

    精密鋼球研磨機，超精密鋼球lapping machine ，鋼球polishing machine ，自動球檢查器，激光測定機，表面打磨機，正圓度測定機，電子觀測器等
  12. Intelligent tri - phase ac active reactive power instrument adopt advanced microprocessor carry out smart control, and to the inputed tri - phase ac voltage and current signal carry out accurate measurement, through cpu automatically count out the tri - phase ac active reactive power value total power, conduct clear and visual display by high brightness led display tube, it can be simultaneously transferred to standard voltage current signal to transmit output, and have super - limit control alarm standard serial communication function etc

    智能三相交流有功無功功率儀表採用先進的微處理器進行智能控制，對輸入的三相交流電壓與電流信號進行精確的測量，經過cpu自動計算出三相交流有功無功功率值總功率，由高亮度led數碼管進行清晰直觀的顯示，同時可轉換成標準電壓電流信號變送輸出，並具有超限控制報警標準串列通訊等功能。
  13. Intelligent tri - phase ac current voltage instrument adopt advanced microprocessor carry out smart control and to inputed tri - phase ac current voltage signal carry out accurate measurement, after through cpu arithmetic processing it is displayed clearly and visually by the high brightness led digital tube, and have super - limit control alarm serial communication function etc

    智能三相交流電流電壓儀表採用先進的微處理器進行智能控制，對輸入的三相交流電流電壓信號進行精確的測量，經過cpu運算處理后，由高亮度led數碼管進行清晰直觀的顯示，並具有超限控制報警標準串列通訊等功能。
  14. Adopt advanced microprocessor carry out smart control and to inputed tri - phase ac current voltage signal carry out accurate measurement, after through cpu arithmetic processing it is displayed clearly and visually by the high brightness led digital tube, and have super - limit control alarm serial communication function etc

    採用先進的微處理器進行智能控制，對輸入的三相交流電流電壓信號進行精確的測量，經過cpu運算處理后，由高亮度led數碼管進行清晰直觀的顯示，並具有超限控制報警標準串列通訊等功能。
  15. Adopt advanced microprocessor carry out smart control, and to the inputed tri - phase ac voltage and current signal carry out accurate measurement, through cpu automatically count out the tri - phase ac active reactive power value total power, conduct clear and visual display by high brightness led display tube, it can be simultaneously transferred to standard voltage current signal to transmit output, and have super - limit control alarm standard serial communication function etc

    採用先進的微處理器進行智能控制，對輸入的三相交流電壓與電流信號進行精確的測量，經過cpu自動計算出三相交流有功無功功率值總功率，由高亮度led數碼管進行清晰直觀的顯示，同時可轉換成標準電壓電流信號變送輸出，並具有超限控制報警標準串列通訊等功能。
  16. We study about how to improve the accuracy of calculating the field energy. such as high order diffracted field, hybrid method, and so on. and getting some useful conclusion

    研究了提高觀測點場強計算精度的一些方法，如加入高階繞射、混合演算法等，並對此作了一些有益的探討。
  17. Moreover, the epmi which includes measuring, controlling, displaying and other function has the characteristics of multi - function, well - precision, display intuitionisticly, good performance and low cost. the epmi has formed many series of production and can adjust the coefficient so flexibly that it can fulfil different clients demand and it will have a good future

    另外，本測試儀集測量、控制、顯示等功能於一體，具有測量信號多、精度高、顯示直觀、高性價比等特點，還形成了多系列產品，並能靈活進行倍率調整，可以滿足不同用戶的不同需要，具有良好的應用前景。
  18. The third chapter involves some problems on attitude determination and integrity ambiguity resolving. using three formation flying satellites for an earth observation as an example, the forth chapter contains some problems about determination of inter - satellite position, attitude and time, by using high precise pseudo - ranging observation onboard pseudolites. the problems are the selecting of coordinate system and independent state parameters, the setting of observation equations, and the conversion of constellation ' s states

    第四章以三星編隊星座為例，討論利用擴展的高精度星間偽距觀測進行星間相對位置、姿態和時間參數確定的一些問題，包括：坐標系、獨立參數的選取、觀測方程的建立和星座狀態的轉換等。
  19. Based on the response theory of an elastic earth to surface loads and the model of the standard atmosphere, the characteristics of changes in the loading effects with time, space and frequency are comprehensively investigated in this dissertation. the numerical results obtained in this study can provide accurate atmospheric correction models for high - precision continuous measurements of the geophysical fields such as gravity, tilt, displacement and strain on the earth ' s surface

    本文基於彈性地球對表面負荷的響應理論和標準大氣模型，綜合研究大氣負荷效應的時間、空間和頻率特徵，為地表重力、傾斜、位移和應變等物理場的高精度連續觀測提供精密大氣影響改正模型
  20. It has high - accuracy and good directly perceived through the senses. its main application are trajectory measurement, flying live recording and physics characteristic parameter measurement etc.

    其優點是測量精度高；直觀性強；因此，常用於彈道測量、飛行實況記錄、物理特性參數測量等。
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