observation network 中文意思是什麼

observation network 解釋
觀測網
  • 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）...
  • network : n. 1. 網眼織物。2. （鐵路、河道等的）網狀系統，網狀組織，廣播網，電視網，廣播[電視]聯播公司。3. 【無線電】網路，電路。4. 【計算機】電腦網路，網。
  1. Second part - the main contribution and research results of this paper are focused on as follows : ( 1 ) how to use the measurements of a dual frequency gps receiver to determine the ionospheric delay correction model for single frequency gps of a local range ; ( 2 ) how to separate the instrumental biases with the ionospheric delays in gps observation ; ( 3 ) how to establish a large range grid ionosphere model and use the gps data of chinese crust movement observation network to investigate the change law of ionospheric tec of china area ; ( 4 ) how to improve the effectiveness of correcting ionospheric delays for waas ' s users under adverse conditions. ( 5 ) how to establish the basic theory and the corresponding framework of monitoring the stochastic ionospheric disturbance using gps ( 6 ) how to improve the modelling ability of ionospheric delay according to its diurnal, seasonal, annual variations based on gps ; ( 7 ) how to meet the demand of correcting the ionospheric delay of high - precision orbit determination for low - earth satellite using a single frequency gps receiver 1 extracting ( local ) ionospheric information from gps data with high - precision the factors are systematically described and analyzed which limit the precision of using gps data to extract ionospheric delays

    二、具體研究工作的系統報告，主要集中在以下幾方面：研究如何利用單臺雙頻gps接收機的觀測信息確定電離層延遲改正模型，為小范圍的單頻用戶服務；研究如何實時分離gps觀測中的儀器偏差與電離層延遲；研究如何建立較大區域的電離層格網模型，進而初步設想利用中國地殼運動觀測網路深入研究我國領域的電離層的電子濃度變化規律；研究單頻用戶在不利條件下，如何更好地利用電離層延遲改正信息；研究利用gps監測隨機電離層擾動的基本理論和框架方案；研究如何綜合顧及電離層的周日、季節和年變化，進一步提高利用gps模擬電離層延遲的能力；研究如何實現星載單頻gps低軌衛星的精密測軌中的電離層延遲改正要求。
  2. Wireless sensor networks have great prospect in the applications of military affairs, circumstance observation, disaster relief operation, dangerous area domination, etc. one of the key qualifications for these applications is localization of the targets needing monitoring and the network node

    無線傳感器網路在軍事國防、環境監測、搶險救災和危險區域的遠程控制等諸多領域具有廣泛的應用前景。網路節點或監測目標的定位是其中眾多應用的一個關鍵條件。
  3. 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。
  4. ( 3 ) the optimized strategy analysis on retrieval of gps water vapor the optimized strategy analysis on retrieval of gps water vapor has been carried out under different data processing schemes by using gps observation. the parameters selection problem has been resolved in gps water vapor retrieval process such as the optimum number of adopted igs stations, the relation between single station processing and united station processing, network layout, cut - off angle, zenith delay parameter, period, knot position and so on

    （ 3 ） gps水汽反演優化策略分析利用gps觀測數據，使用多種數據處理方案，進行gps水汽反演優化策略分析，初步解決了進行gps水汽反演中引入igs站的最佳個數、單站解算和聯合解算的關系、網路布局、截止高度角、天頂延遲參數、時段長度、節點位置等選擇問題。
  5. Optimization analysis of hydrologic observation network in longhekou reservoir

    龍河口水庫水文測報站網優化分析
  6. 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。
  7. However, it is not economical and little possible to set up and operate a new and independent mobile observation network even on the regional scale

    然而，在現有臺站網之外，再重新建立並運行一個流動專業觀測網，既不經濟也是不現實的。
  8. Experts from the atmospheric composition observation and service centre of cma say, according to the acid rain observation network, the frequency of acid rain of 19 provinces in china is 100 % in this year ' s rainy season ; the rain in late august in beijing was all acid rain, with a high proportion of strong acid rain, which has never happened since 1993 ; strong acid rain occurred for five times in july when it rained frequently in beijing

    中國氣象局大氣成分觀測與服務中心的專家介紹，酸雨觀測網顯示，今年雨季，全國有19個省市酸雨頻率為100 % ，北京地區8月中下旬的降水過程均為酸性降水，強酸性降水比例很高，而這是自1993年以來觀測中沒有過的，同時， 7月的頻繁降雨中，監測到5次降雨達到強酸性。
  9. A study on the maintenance of the network of onstage and backstage machines in the digital observation system

    測震數字化觀測系統前後臺機網路維護的研究
  10. This thesis analyzed various error resources in gps surveying and advanced appropriate correction measures ; it introduced theory and method that estimate parameter in reliability study, and then, deduced adjustment mathematic model of gps network ; based on analyzing characteristics of reliability study of gps network and outlier analysis, it carried profoundly out study on issue about reliability of gps network, deduced and summarized target of reliability of gps network, including redundant observation component of gps baseline vector and inside & outside reliability index, advanced a theory about reliability of gps network based on correlative analysis, and summarized methods that improve reliability of gps network ; it worked out a software of reliability analysis about gps observation, which made reliability analysis automatic and convenient

    論文分析了gps測量中的各種誤差來源，提出了相應的改正措施；介紹了可靠性研究中參數估計的理論和方法，進而推導出gps網平差的數學模型；在分析了gps網可靠性研究和粗差分析特點的基礎上，對gps控制網可靠性問題進行了深入的研究，推導總結出了gps網可靠性指標，包括gps基線向量的多餘觀測分量、內部可靠性和外部可靠性指標，提出了基於相關分析的gps控制網可靠性理論，總結出了提高gps控制網可靠性的措施；編制出了gps觀測數據可靠性分析軟體，使可靠性分析自動方便。
  11. Abstract : artifical intelligence methods are implemented to simulate thebehaviors of axially and laterally loaded piles using the field observation tests data obtain ed f rom the drilled shafts and driven piles. the optimal neural network model is deve loped using only simple input data of spt - n values and piles ' geometrical featu r es etc. the analysis for r. c piles of some projects is performed adopting the bp n n and grnn models respectively, and the obtained predicated results are compared w ith the data from conventional design method. it demonstrated the obvious advanta ges of neural networks in the design of pile foundations over the traditional me thods. this paper has an important practical significance and a referential worth iness in the design of pile foundations

    文摘:根據鉆孔樁和打擊樁的原型試驗觀測的數據，運用人工智慧方法對橫向承載樁和軸向承載樁的工作特性進行模擬，並利用標準貫入試驗（ spt - n ）值和樁的幾何特性等簡單的輸入數據，開發出相應的優化神經網路模型;然後，運用反向傳播神經網路模型和廣義回歸神經網路模型分別對某工程的鋼筋混凝土樁進行分析，並將求得的預測結果與常規設計法的結果進行比較，結果表明神經網路方法比傳統方法有明顯的優越性，在實際工程設計中具有重要的參考價值和現實意義。
  12. Aiming at crack problems in important hydraulic concrete structures, the cause, evolution rule and abnormality diagnosis of the crack are studied in this dissertation by using advanced theories and mathematics and mechanics, such as rough set theory, data mining, neural network, wavelet analysis, chaos theory, and so on, combining with prototype observation data. the main contents are as follows. ( 1 ) mining of cause of crack is proposed by using logic diagnosis, rough set theory, and data mining technique

    本文針對重大水工混凝土結構運行期的裂縫問題，應用粗集理論、數據挖掘、神經網路、小波分析、混沌理論、突變理論等前沿數學方法及斷裂力學等力學方法，以及數值模擬等數值模擬方法和邏輯診斷方法，結合實測資料，對運行期裂縫的成因、演變規律以及轉異診斷等方面進行了系統的研究。
  13. According to the characteristics of the high precise gps deformation monitoring, basing on the first period observation results of the monitoring network, the similar single - difference model of solving gps monitor point deformation information at single epoch is built, and the receivers ' antenna phase center offsets are discussed

    摘要根據高精度gps變形監測的特點，以監測網的首期觀測成果為基礎，建立了單歷元解算監測點變形量的似單差模型，討論了接收機天線相位中心偏差的改正方法。
  14. Abstract : this paper describes the digital seismological observation system of china as a key project of the ninth five - year plan of the china seismlolgical bureau, especially puts the stress on the china digital seismograph network ; the national standard digital seismograph stations ; the satellite information communication network of csb ; the construction scale, design thinking, technological parameters, equipment structure, service function of the china digital seismograph network center, as well as operational process and operation of the china digital seismograph network

    文摘:介紹了中國地震局「九五」重點項目中國數字化地震觀測系統，特別重點介紹了中國數字化地震臺網、國家標準數字化地震臺、中國地震局衛星數據通信網、中國數字地震臺網中心的建設規模、設計思路、技術參數、設備結構、服務功能，以及中國數字地震臺網的運行流程和運行狀況。
  15. Correction problem of the ocean loading signals to strain field variation at foundational stations in crust movement observation network in china

    中國地殼運動觀測網路基準站應變場變化的海潮負荷信號改正問題
  16. Correction problem of the ocean loading signals on tilt measurements at fundamental stations in crust movement observation network in china

    中國地殼運動觀測網路基準站傾斜固體潮觀測中的海潮負荷信號改正問題
  17. Application of fuzzy artificial neural network to observation data analysis of earth dam monitoring

    土壩觀測數據的模糊人工神經網路分析
  18. The gps data from crustal movement observation network of china ( cmonoc ) in a week time before and after the flare burst on july 14, 2000 are analyzed

    對2000年7月14日大耀斑爆發前後一周時間內，中國地殼運動觀測網路的gps資料進行了分析。
  19. Weather observation network

    氣象觀察網路
  20. The application of the optimized triangulation to conventional meteorological observation network

    最優三角形剖分在常規氣象觀測網上的應用
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