observation accuracy 中文意思是什麼

observation accuracy 解釋
觀測精度
  • observation : n 1 觀察，注意；觀察力；?望。2 觀測，實測；【航海】測天；【軍事】觀測，監視，偵察。3 （觀察得的）...
  • accuracy : n. 正確，準確（度）；精確。 firing accuracy 命中率。 with accuracy 正確地。
  1. Taking the sulfur dioxide absorption process from trona solution as an example, in which sodium sulfite was produced, the design calculation accuracy was tested by the observation and determination on the design results

    並以天然堿液吸收二氧化硫制得亞硫酸鈉為實例，通過對部分設計結果的觀察和測試，驗證了設計計算的正確性。
  2. In order to attain high accuracy of gps satellite navigation, positioning and low cost in precision agriculture, it is studied a method of gps pseudo - range observation and carrier phase measurement to combine the actual conditions of agriculture. it is presented a method of high accuracy positioning and measure based on gps oem board in this paper, and proved the feasibility of key technology with emulations and field tests

    為了適應精準農業高精度、低成本的gps定位導航應用要求，本文通過對gps偽距和載波相位定位方法的研究，結合精準農業的實際情況，提出了基於gpsoem板的高精度定位與測量方法，並用模擬和田間試驗驗證了各關鍵技術的可行性。
  3. Because the elevation data we have acquired through gps is too variable to satisfy the mapping accuracy requirement the elevation value is solved by the water lever observation in the hydrology station and datum horizon correction of sounding observation

    由於gps的rtk模式測量所獲取的高程精度不能滿足測圖精度要求，因此其高程值是通過測量水深值、結合其統一到基準面的改正數、根據相關水文部門各水位站提供的水位觀測資料綜合計算獲得。
  4. Wagg told the story at dinner very smartly, with wonderful accuracy of observation.

    到了吃晚飯的時候，華格把這件事大肆宣染，描摹得活靈活現。
  5. When navigation accuracy is highly expected, the sensor with higher accuracy should be chosen and the observation time should be longer, especially in high - altitude orbit

    當對導航精度要求較高時，軌道越高，尤其在高軌道類型中，應盡可能的選擇精度高的敏感器以及盡量長的觀測時間。
  6. The accuracy and reliability of the kinematic positioning are affected by not only the random noises and systematic wrong, but also the observation noises related to time

    摘要在動態定位數據處理中，動態定位的精度和可靠性除受觀測偶然誤差和系統誤差的影響外，還受時間相關的觀測噪聲的影響。
  7. Target state estimater ( tse ) is an important and indispensable part of integrated flight and fire control system ( iffcs ). this article takes the ground mobile object as the study model. it established the system state equation and observation equation from the perspective of promoting system accuracy, simplifying the calculation and facilitating the engineering realization, the tse was set up by using the kalman filtering calculation method in the wake of linearizing the observation equation to make it adapt the precondition

    目標狀態估計器是綜合飛行/火力控制系統中的一個重要組成環節，本文以地面機動目標為模型，從提高目標估計精度、簡化計算以及便於工程實現為出發點，建立目標的狀態方程及觀測方程，並對其進行線性化，利用自適應卡爾曼濾波演算法構造目標狀態估計器。
  8. By analyzing some interference and influence factors which were found from earth resistivity observation in datum seismostation of nanjing, the specific reason to affect the observation accuracy of earth resistivity is found and the relevant solution way is set forth in this paper

    摘要對南京臺地電阻率觀測中發現的一些干擾和影響因素進行了分析，找出影響地電阻率觀測精度的具體原因，並提出相應的解決辦法。
  9. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向，本論文重點做了以下幾個方面的工作，目的在於提高dtc系統的綜合性能： （ 1 ）提出一種新型的速度磁鏈觀測器，新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度，並且根據popov超穩定性理論推導出轉速的新型自適應收斂律； （ 2 ）改善系統的低速運行性能，主要從提高低速時對定子磁鏈的估計精度入手，提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數； （ 3 ）採用數字信號處理器dsp實現系統全數字化硬體控制，結合ti公司生產的tms320lf2407晶元，設計了直接轉矩控制系統的實驗裝置； （ 4 ）提出了基於sercos總線網路化分散式的直接轉矩控制系統， sercos （ serialrealtimecommunicationsystem ）是目前最適合同步和協調控制的串列實時通信協議； （ 5 ）基本勾勒出整個控制系統的硬體和軟體設計基本框架，詳細描述一些實驗中的具體的細節問題。
  10. This value has been confirmed by observation with an accuracy of perhaps 20 percent.

    這個數值已為觀測所證實，準至百分之二十。
  11. As far as the system observation for accuracy evaluation of carrier rocket is concerned, there may exist different types of observed data and priors. heterogeneous information means that the different information describing the different characteristics of the same object. since all of the information is relevant to the same object, the fusion is possible. it is a key problem that how to fuse the heterogeneous information to obtain the better evaluation result. therefore, the different heterogeneous information and data is thoroughly studied, moreover, the mathematical description for information fusion of different parameter priors and data is constructed in this paper. based on their relationship between different parameters, indirect prior and observation data is transformed into prior in impact point observation space, which is fused with original prior by weight determined by maximum entropy rule to obtain the mixed posterior distribution. therefore, the test results can be given by combining posterior distribution and impact error observed data. then its application on evaluating guidance systematic error is elaborated as it applies trajectory tracking data, test value of coefficients of guidance instrumentation systematic error, impact point observation data and prior. especially, the advantage of this method lies in its application in case that guidance instrumentation systematic error may not be computed precisely. finally a detailed example on evaluation of carrier rocket is given to verify the theory

    為充分利用運載火箭觀測中的不同觀測空間和過程的信息來進行精度評估，針對該背景建立了異質先驗融合的數學描述.研究了飛行試驗中不同觀測空間和過程的異質先驗信息和數據，基於不同觀測過程的解析關系，將間接過程的先驗和觀測數據算出的后驗分佈轉換成落點觀測空間上的先驗，與原落點的先驗進行了最大熵加權融合，得到混合后驗分佈，從而結合落點觀測數據給出評定結果.在無法解算出精確的制導工具誤差系數的情況下，這種方法充分利用了彈道跟蹤數據、工具誤差系數的地面測試先驗值、落點先驗及落點數據，穩健性更好，準確性更高
  12. According to comparison between the calculated results, conclusions are summarized as follows : the accuracy of sensors and length of the observation time have great influence to the navigation precision in different orbit types

    對高、中、低三種軌道類型，分別進行計算，通過對比可以看出，敏感器精度、觀測時間長短對不同的軌道類型導航精度影響很大。
  13. As an efficient approach to improve the accuracy of numerical weather prediction, four - dimensional variational assimilation is widely focused on by the domestic and overseas experts. one of its important characteristics is that the data in one time can influence previousanalysis results, which can not only provide the optimized initial condition but also make up observation datum ' s absence in some areas

    四維變分同化方法作為一種提高數值天氣預報的有效方法受到國內外專家的廣泛關注，其重要特點是一個時次的數據可以影響到它以前時間的分析結果，因此不但可以為數值預報模式提供初始場，而且可以對觀測資料不足的地區加以彌補。
  14. The accuracy can reach to several millimeters in the crustal movement observation and the determination of zenith delay

    其中， gps應用於地殼運動監測和天頂延遲測定均已達到毫米級的精度。
  15. A description is made of the problems encountered in gps leveling measurement in this field and countermeasures. as observation of ground subsidence is made through measuring the relative movement of the observation stations, it is proposed to base the subsidence observation on change of geodetic elevation. check is made of the accuracy and reliability of this observation method by citing typical examples

    介紹了gps水準測量中的若干問題及其解決方法，結合開采沉陷監測需要的是相對變化量的特點，為避免坐標轉換造成的精度損失，提出了開采沉陷觀測中的下沉值可應用大地高的變化量代替的方法，並對其精度及可靠性進行了實例驗證。
  16. A sampling process is designed to implement the computation of the observation likelihood, in which a proposed relation model between head and face of their position and size is used so as to achieve improved accuracy and efficiency in the fusion

    其中，利用檢測器提供的姿態信息對頭部和人臉的位置大小關系提出了一種模型，提高了觀測模型融合的準確性和高效性。
  17. The former has to be operated in a complex way, while the latter has a tendency to charge too much or not enough, greatly affecting the accuracy of the observation data. moreover, both drive observers so hard that they have to read the metrical data of glass and thermometer, before finding out the proper net lifting force through manual work

    前者操作復雜，後者容易造成充氣不足或過多，影響觀測數據的準確性，而且這兩種方法都需要觀測人員讀取氣壓計和溫度計的測量值，再經過人工查表得出氣球應具有的凈舉力，工作量較大。
  18. Use the magnetic vector for the observation information, the paper estimate the location and rate of the satellite, analysis of simulation results and the sources of error. to further enhance navigation accuracy, the paper study the unscented kalman filter, compare with the extend kalman filter. in the same initial conditions of the extend kalman filter, we do the simulation

    其次，基於磁環境模擬系統的測量數據，本文研究了擴展卡爾曼濾波演算法，建立了衛星的運動學和動力學方程，以地磁場矢量為觀測信息，對衛星位置速度進行了估計，並分析了模擬結果及誤差來源，為了進一步提高導航精度，本文又研究了unscented卡爾曼濾波演算法，給出了原理及步驟，並與擴展卡爾曼濾波進行了比較分析。
  19. It is to satisfy the needs of modern management of university to practise the project of digital chengdu university of technology. improve gee - information sharing and make the geo - information to be scale at the same time. the thesis put forward the primary design and the work flow of the project of digital chengdu university of technology. in the surveying field, digital photogrammetric surveying, which improves efficency and data accuracy, almost have taken the place of tranditional field observation method

    建立「數字成都理工大學」校園工程是為了滿足成都理工大學現代化的管理的需要，加強地學信息的共享，同時使成都理工大學地學信息產業盡快形成規模效益。本文提出了「數字成都理工大學」校園工程初步設計方案和具體工作步驟。數據採集利用了數字攝影測量手段，進行數字化測圖，改變了傳統的實測的方法，提高了效率，增加了數據的精度。
  20. When estimating frequency with the fft, the resolution and accuracy are limited by the observation time of the signal, i. e., a / = it. the level measurement accuracy of the fmcw radar is determined by the bandwidth of the transmitted signal

    掃頻帶寬1 . 5ghz ， fft兩條譜線的間隔對應的距離為10cm ，而液位測量系統的精度要求達到1mm ，因此直接利用fft頻譜估計距離顯然無法達到精度要求。
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