測站率定 的英文怎麼說
中文拼音 [cèzhànlǜdìng]
測站率定
英文
rating a gauging station-
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。Highways winter maintenance plant and highways side equipment maintenance - deicing agent sprayer - fixed station test method for flow rate measurement
高速公路冬季維修設備和高速路路邊設備維修.除冰劑噴灑機.流率測量固定站試驗方法It has some important potential applications in geodesy and geodynamics, including the definition, practical realization, and the interconnection of different reference frames, determining the geocentric positions of vlbi stations, estimation of the gravity field of the earth, and satellite orbit determination using the delay and delay rate observables
它在大地測量和地球動力學方面很有應用潛力，如不同參考框架的定義、實現和相互連接，利用延遲和延遲速率來進行vlbi測站地心坐標的測定，地球重力場的估計和衛星定軌等。Determination of power losses in high - voltage direct current converter stations
高壓直流電換流站功率損耗測定Observed stream flow at 17 hydrological stations along the main river was used to calibrate the model
模擬總水量同實測總水量的相對誤差在5 %以內，其中有11個站效率系數（確定性系數）在。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。This paper ' s study is focused on the principle of bistatic sar on the basis of giving a brief introduction of sar principle, including azimuth resolution, mapping width, focusing deepness, pulse repetition frequency limitation and radar equation etc. then the paper studies the special form of bistatic sar with stationary transmitter
在簡要介紹了合成孔徑雷達的成像原理后，本文著重從原理方面對雙站sar進行了分析，討論雙站sar的方位向解析度，測繪帶寬，聚焦深度，脈沖重復頻率限制，雷達方程等問題，然後對發射機固定的雙站sar這種特殊的雙站sar模式進行分析。The single - observer passive locating method with phase difference rate of change and some key technologies - are studied in this dissertation on the applying background of locating remote slow offing targets with fast plane. this dissertation is outlined as follows
本文面向快速運動的空中觀測平臺對海面慢速運動目標定位的特定應用背景，利用相位差變化率方法進行了單站無源定位體制和關鍵技術的理論研究。Error rates are also displayed for gauging severity of the error stream from a particular station
還可以顯示誤差率，用於測量特定臺站誤差流的嚴重性。The method of the total station transfer leveling parameter applied to the construction of yunyang yangtse river highway bridge shows that in can not only ensure the surveying precision but also improve the work efficiency
通過雲陽長江大橋施工中的應用表明，在一定的條件下採用全站儀間視法三角高程測量來實現高程的傳遞，不僅能保證測量精度，而且可以提高工作效率。This text takes hydropower station of hunan town of wuxijiang river as an example, introduce hydro - generator unit operation parameter survey principle and method of the operation parameters online monitoring system for hydro - generator unit in detail, and carry on certain analysis by disposition and composition of hardware to system, design and realizing going on intact description of the software especially, make introduction of a certain degree to involve about database and communication technology at the same time
本文以烏溪江水力發電廠湖南鎮電站為例，詳細介紹了水輪發電機組效率監測系統所監測參數的測定原理和方法，並對系統硬體的配置和構成進行了一定的分析，重點對軟體的設計和實現進行了完整的描述，同時對涉及到的有關數據庫和通信技術都做了一定程度的介紹。The location accuracy and detection efficiency will be reduced when the lightning stroke occurs outside of the network or when not all of the stations are operative
假如閃電發生在網路以外或有些探測站不能正常運作，閃電定位的準確度及閃電探測效率會較低。The boundary and content of sootblowing operation optimization are defined afresh. the optimized goal of sootblowing is set a tradeoff between all categories of sootblowing income and cost and the optimized unit is a single monitored surface modul
重新界定電站鍋爐吹灰優化運行的內涵和外延，率先研究電站鍋爐以單個灰污監測模塊為優化單元的多目標吹灰優化問題。By the data observed on - site, it indicate that the reinforcing plan which the plant to disembark and the dam to be connected has solved the problem that the plant to disembark occurs resonance vibration with the frequency of the turbogenerator units, but the problem of resonance vibration of the downriver structure of the plant has not been solved, hence the study of the reinforce structure of the downriver plant must be made
廠房在此長期嚴重的振動下，立柱出現水平周邊裂縫，門窗墻壁也均產生裂縫，威脅到電站的安全運行。現場測試表明上游廠壩間在一定范圍內連接加固，雖然解決了廠房上游一階頻率與轉頻的共振問題，但對下游結構作用不明顯，因此需要對廠房下游結構的加固作進一步的研究。Recommended practice for determination of power losses in high - voltage direct current converter stations
高壓直流變電站功率損失測定用推薦規范The smo has established a territorial continuous global positioning system array ( tcgpsa ) for hong kong to improve survey work efficiency
測繪處設立了全港連續運作全球定位系統參考網站，以提高本港測量工作的效率。Focus on production yield rate, test yield review and monitoring ; analyze exceptional process, the reject or complain from customer, improve process to match quality request, establish rework process or claim scrap
關注製程良率的控制，時時追蹤檢討測試站良率;對生產過程異常，不良品或客戶投訴進行分析，修改更新工藝滿足品質要求，制定返工工藝或提請報廢Consists of ten fixed radiation monitoring stations which monitor the ambient gamma dose rates over the territory round the clock
是由十個固定的輻射監測站組成，二十四小時不停量度香港的環境伽馬劑量率。分享友人