測站標點 的英文怎麼說
中文拼音 [cèzhànbiāodiǎn]
測站標點
英文
station mark- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 站 : Ⅰ動詞1 (站立) stand; be on one s feet 2 (停下來; 停留) stop; halt; pause Ⅱ名詞1 (停車點) st...
- 標 : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
- 點 : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
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Fourth, the paper treats two kinds of hoisting projects of high alititude construction in bulk and member assembly, hositing machine and plan layout, setting up scaffold and joints, and installing trunks, branches and joints etc. then in detail discusses the method which applys total station to measure three - dimensional coordinate of dendriform structure, including selecting survey sign points, creating survey system and converting survey coordinate system etc. the paper also deep research on the welding performance, welding method, welding process, welding stress and control, welding strain and rectification, weld defects analysis and weld quality inspection, and so on complicated heterogeneity steel weld proplems
接著系統的論述了高空散裝法和分單元安裝法兩種樹狀結構吊裝方案,樹狀結構吊裝機械及平面布置,樹狀結構胎架及節點的搭設,以及樹狀結構樹干、樹枝和節點的吊裝工藝等諸多工藝問題。詳細的論述了採用全站儀對樹狀結構進行空間三維坐標測量的方法,包括測量標志點的選取、測量系統的建立及測量坐標的轉換等問題。深入地研究了樹狀結構可焊性、焊接方法、焊接工藝、焊接應力及控制、焊接變形及矯正、焊接缺陷分析及焊接質量檢查等復雜的異種鋼焊接問題。At last, the subject catalogues with their pages are evaluated according to the indicators. in addition, the paper uses evaluation criterion on sorting the result documents
另外,本文借鑒信息檢索檢索得到的文檔結果排序的評價方法,以alexa網站利用點擊率指標進行網站主題目錄評價結果為標準答案,給出了對網站主題目錄評價結果的評測方法及相應的評測結果。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。The thesis analyzed the present transferring status between pudong airport and shanghai " s incity. through forecasting the long - dated flux of pudong airport and the area near it and combining the planning scheme of shanghai urban rapid mass transit, the thesis learned the helpful experience of the traffic organization in typical airport abroad and used the scientific analyzing model of public traffic flux forecasting to put forward some reasonable suggestion of the bottleneck question between pudong airport and incity : the one is to use the present no. 2 subway as the future airtrain to take on the most part of the flux and meantime present the concept of feeder efficiency to quantitative analyze the choice of feeder station ; the other is to set up cat ( city air terminal ) to convenient the passenger to come airport rapidly and economically in order to lessen the pressure of the traffic and improve the whole service quantity of civil aviation transportation
本文分析了浦東機場與市內目前的換乘現狀,從預測浦東機場及緊鄰空港區域中遠期的客流量入手,結合上海市政府快速軌道交通的規劃方案,並且學習境外典型機場交通組織的有益經驗,利用規劃中的公交客流預測等科學分析模型,對浦東機場與市中心的軌道交通銜接提出了合理的建議:一是利用目前的地鐵二號線作為航空軌道共享線來承擔大部分進出空港的客流,並且給出了以接運效率最大化為目標函數的接運公交軌道站點比選模型;二是在市中心設立城市航站樓以方便旅客快速、經濟地到達機場,從而減少道路交通壓力,提高航空運輸的整體服務質量。In this dissertation, we studied the tcra1101plus total station position system, which introduced the principle and characters of the instrument ' s closed loop tracking system. also we explained the cause of prism ' s position error and brought forward mathematic model to correct, moreover, the good results has been drawn form the expenriments. the kinetic survey system have been realized, which the sampling rate attain more than 5hz and the position precision can be less than 2mm on condition that targeted - point moving slowly at the velocity below 2cm / s. having finished the survey system to examine whether the fine - tuning stewart platform in good status, we have finished mensurating the position reference of the fine - tuning stewart platform and the offset of the prism
在此基礎上研製了多臺儀器在線控制高頻采樣動態跟蹤測量系統,采樣率大於5hz ,在跟蹤小於2cm / s低速運動目標時,測量精度好於2mm ;完成對饋源二次精調系統的檢測,包括對二次精調平臺位置基準的標定和觀測棱鏡偏心差的測定;設計不同動態測量實驗,對全站儀動態跟蹤的誤差來源和特點進行了分析;從實驗角度,對全站儀的測量時滯及其穩定性進行了測試分析,給出了定量的結果;比較了全站儀和計算機的內部時間系統,發現兩者存在較大差異。To meet the demand of the real teaching management in higher adult education credit system under massive education, an effective teaching management of information system which is based on the modle of c / s / s and b / s / s under the network of the internet and intranet sysytem has been talked about in this paper for the different needs on higher adult education teaching management in credit systems and designs. the states, the features, the goals and the schemes of the system have been discussed fully in this paper. the system requirements have been also analysed from all sides of the system which includes the student ' s status system, the teaching management system, the elective courses system, the examination system, the students " scores management system, the teaching material management system. the outlay system, the off - campus system, the achievement system and the web system etc. the system principles, the ways for the design and the functions in the total system design have also been demonstrated in details
本文首先敘述了成人高等教育學分制教學管理系統的現狀、特點以及系統設計的總體方案和系統實現的目標、功能以及取得的應用推廣效果;其次,詳細論述了學籍管理、教務管理、排課管理、考試管理、成績管理、教材管理、經費管理、院系教學點辦學管理、檔案管理以及對外網站管理等的需求分析;再次,闡述了系統的總體設計原則、系統開發環境、研究方法、技術路線以及相關功能;網路數據庫的設計與實施方案、各子系統的設計、人機界面的設計、實現方面應注意的問題以及用戶權限設計的要求等;此外還介紹了舊系統數據遷移,新系統的實施工作,以及探討了對系統數據進行糾錯與清洗、測試和應用情況。The key problem to be solved in multi stations tdoa system is spatial and time synchronism between stations, weak signal detection and solution for high precision location equation
多站時差定位系統也有其自身要解決的關鍵技術和難點:多接收站之間的時間、空間的同步問題,目標回波的弱信號檢測問題,高精度的定位方程組求解方法。Abstract : this paper studied the characteristics of phased array technology and principle of multi - targets tracking, measuring and controlling, analyzed the implementation technology of “ one station controls several vehicles ” based on phased array technology. an implementation scheme was given, feasibility of the scheme was discussed
文摘:研究了相控陣技術的基本特點及其實現多目標跟蹤與測控的基本原理,分析了基於相控陣技術的「一站控制多機」的實現技術,給出了一種實現方案,並探討了其可行性。Displacement function means for calculating geostress in fem analysis of underground houses is used, based on crustal stress data of underground cavern of pump water station of tong guanshan yixing to store energy, applying the displacement function theory and 3d nonlinear fem, the thesis simulates a displacement field applied the boundary in engineering area and obtain the initial crust stress field through load function in ansys. the result shows that the error between regressed ones and actual ones is controlled in allowed limit and supply the important data for building and design
根據宜興銅官山抽水蓄能電站地下廠房區的地應力實測資料,運用位移函數法理論,採用三維非線性有限元計算方法,反演出施加在廠房區邊界上的位移場,藉助州sys有限元分析軟體,獲取模型邊界節點的坐標信息,然後通過ansys軟體的載荷函數將邊界位移程序化施加到模型邊界上,最後得到整個區域的初始地應力場,結果表明回歸后的地應力值與實測值接近,為地下工程的施工設計提供了重要的資料。Because the supply water system is large - scale, the pump stations are many, the ways of supply water are complicated, and the adjustable spare is large, the whole data in the optimization of supply water, the flux and its variety regulations in the control stations ca n ' t be acquired. the paper predicts supply water during the process based on the theory of artificial neural network control. the optimization has two steps
在實際供水系統中很難準確地獲取整個管網的所有基礎數據,主要難以預知所有節點的逐時流量及其變化規律,因此成為供水系統的優化調度的難點,本文採用人工神經網路對供水量進行預測,應用二級優化調度,第一級以整個供水系統的費用最小為目標,用回歸方法求出各供水節點的供水量;第二級利用流量跟蹤的方法對每個供水節點(泵站)實現優化運行,以期在泵站內達到最大節能目的。The single observer passive location and tracking system ( soplat ), which uses electromagnetic wave emitted by target, has proved its merits of self - hiding and far - distance detecting in modern electronic warfare and information warfar
在現代電子戰、信息戰環境中,由於利用目標輻射電磁信息的單站無源探測定位系統具有機動性強、自身隱蔽和探測距離遠等優點,因此它具有重要的應用價值。Three leica tca1100 laser total stations are utilized to trace and measure the center of the three reflecting prisms. the coordinates of the three targets could be got by translation and rotation of reference - system. 3
激光測量方法:採用三臺激光全站儀,動態跟蹤並測量饋源艙上三個棱鏡中心點的坐標,並通過坐標變換得到饋源艙的位置與姿態。This paper firstly applied sequential cluster method to set up the classification standard of precipitation state based on the fact that there are much uncertainty and imprecise characteristics in the precipitation course ; then this paper presented a method which is called markov chain with weights to predicted the future precipitation state by regarding the standardized self - coefficients as weights based on the special characteristics of precipitation being a dependent stochastic variable ; and applied this method to a real hydrological observation station with nearly 50 years precipitation information in shanxi province at last, an ideal result was obtained
摘要首先基於降水過程存在大量不確定性、不精確性的特點,應用有序聚類的方法建立降水豐枯狀況的分級標準;然後針對降水量為相依隨機變量的特點,採取以規范化的各階自相關系數為權重,用加權的馬爾可夫鏈模型來預測未來降水的豐枯變化狀況;最後以山西省某水文站近50年的降水資料為實例對該方法進行了具體的應用,獲得了較為滿意的結果。The paper has made detailed observation by the existing apparatus and the field observation stations. based on the image and the vector database of the yutian oasis, the study has obtained the precise coordinates of investigation points by gps technique, and overlapped them with the images. after classifying the images with the maximum likelihood supervised classification method, we import the result into cis software, and analyze the yutian oasis changes about land cover " s quantity, quality and spatial position from 1976 to 2001
本文利用現有儀器設備和野外觀測網站進行詳細觀測,在建立於田綠洲圖像庫和矢量數據庫的基礎上,運用gps技術取得野外考察樣點的精確坐標並與研究區各時期影像疊加,對影像進行了最大似然法監督分類,並將分類結果轉入gis軟體處理,全面分析了1976年至2001年該綠洲的土地覆蓋類型數量、質量與空間上的變化。The system period is determined by weighted fusion result of all sensors periods with precision as weight and a index function is designed to evaluate the deviation of system period. when the index exceeds the given threshold, the algorithm adjusts the system period to track the data interval of all passive sensors
系統周期由各站點的周期按其觀測精度加權來確定,並設計指標函數來評估系統周期的偏差,超過給定的閾值時重新調整周期,能夠及時跟蹤各單站的數據間隔變化。Abstract : according to the characteristics of road surveying, the author introduces the method of coordinate adjustment of the total station coordinate traverse on the principle of coordinate transformation
文摘:根據線路測量的特點,對全站儀坐標導線計算進行研究,提出了一種利用坐標轉換原理直接對全站儀所測得的坐標進行平差計算的方法。The primary performance target by which the superior and inferior quality of the ignition system can be judged includes ignition advance angle 、 unload voltage of secondary coil and ignition energy, etc. all of these can acquire through measuring the characteristic parameter of magneto
判斷點火系統品質優劣的主要性能指標有點火提前角、和點火能量等。這些性能指標都可以通過磁電機特性參數來獲得。本課題來源於嘉陵工業股份公司檢測站的實際應用,針對摩托車磁電機進行多參數實時檢測的一套檢測系統。It applies the electronic total station 3d - ims ( three - dimensional industrial measurement system ), which based on the theory of forward intersectant mearement, to measure the spacial three - dimensional coordinates and get the measuring result by using the corresponding data processing softwares
該法是採用以定基線前方交會原理為基礎的電子全站儀三維工業測量系統進行空間三維坐標點的測量,然後用相應的軟體進行數據處理來獲得型面精度測量結果的。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。A new detection system applying moving platform, which overcomes the shortcoming of traditional long baseline time difference of arrival ( tdoa ) detection system, is presented, and its principle are also included
摘要針對傳統長基線時差探測系統的缺點,提出了全新的動基站時差測量系統並給出了目標的定位原理。分享友人