觀測法 的英文怎麼說
中文拼音 [guāncèfǎ]
觀測法
英文
observational method-
And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the
研究中首次提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀測,設計了根據駕駛員感受度來衡量超車過程的實驗方案,並通過後期數據處理得到了超車過程中兩個重要的可接受間隙參數-可超車車頭時距和可回車車頭時距的臨界間隙值,為定性和定量分析雙車道公路通行能力提供有力的數據支持;同時,還提出了觀測超車率的實驗方法以及測量加速度干擾的實驗方案,統一了計算加速度干擾的時間統計間隔,為雙車道公路的服務水平量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查法和模擬程序中模型參數標定和驗證的數據採集方法。We discussed the method of state space design, and deduced the ackermann formulation. in the end, separation theory is adapted to the discrete system of the delta domain
文中討論了delta域內的狀態空間設計法:極點配置設計法及狀態觀測器設計法,推導了delta域內的ackermann公式,得出了分離定理同樣適用於delta域內的離散系統。Multiple targets observation algorithm of multi - robot system based on altruism
基於利它性的多機器人多目標觀測演算法The support vector machine method for analogizing and forecasting groundwater data
地下水觀測數據擬合與預測的支持向量機方法And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed
研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。Following the idea of coseismic stress - triggering, coseismic strain steps recorded by borehole strainmeters are used to study coseismic stress - triggered fault slips
摘要沿著同震應力觸發的思路,提出了利用鉆孔應變觀測記錄的同震應變階反演同震應力觸發斷層活動的方法。Method and accuracy of circular construction declivity survey based on intelligent total station
基於全站儀的圓形建築物傾斜觀測的方法和精度Study on the observation of delamination frost - heave amount
分層凍脹量的觀測方法研究Given the initial conditions including ( 1 ) number density distribution in space which has the similar form to the present day ones, ( 2 ) both the power law and gaussian mass functions for clusters, and ( 3 ) two different velocity distributions which one has a constant dispersion and the other is described by the eddington formula, the dynamical evolution of globular clusters in our milky way galaxy is investigated in detail by means of monte carlo simulations
本文採用與觀測結果具有相同形式的球狀星團空間密度分佈函數,在給定兩種球狀星團系統的初始質量譜(冪律的和對數高斯的)和兩種球狀星團系統的初始速度分佈函數(愛丁頓速度分佈函數和常數的速度彌散度)條件下,我們採用montecarlo的方法對球狀星團系統的動力學演化進行討論。In the stage of the sun and the moon in sight, azimuth of the sun, the earth and the moon in the spacecraft body coordinate system is simulated. combining the simulated azimuth with the ephemeris of the sun and the moon, the state equation and observation equation are modeled. the initial orbital parameters calculated by least square method are used in orbit state equation to predict spacecraft state and to realize autonomous navigation
在日月可見階段,模擬日、地、月敏感器測量信息,即日、地、月在航天器本體坐標系下的方位信息,結合日月星歷,建立狀態方程及觀測方程,通過最小二乘法得到歷元時刻的軌道狀態初始值,將其代入軌道狀態方程進行自主導航。Using the " two belts " growth altitude which was obtained by the simple hydrology view measurement, we carried on the confirmation to the analog computation result and have obtained the conclusion of the " two belts " growth altitude and rule of the 3 ( subscript 2 ) 24 working surfaces
利用簡易水文觀測法得到的「兩帶」發育高度值對模擬計算結果進行了驗證,得出了3 (下標2 ) 24工作面兩帶發育高度和規律的結論。Resulting from researches and experience accumulated in mbss practice for years, the author suggested a precision estimation model of depth and position for the acceptance of mbss systems, and presented further a stochastic model of double observation for data quality estimation. these models could be introduced to the designed national mbss acceptance standards
本文根據國際海道測量標準提出了多波束測深系統的水深和位置精度的評估模型,並提出了一種雙觀測法統計模型對測量數據的質量進行評估,其研究成果可以為建立我國多波束測深規范提供參考。Simultaneous multiple wavwlength observation 10 01
同時多波段觀測法10 01Stationary camera technique
固定攝影觀測法Clear liquids - estimation of colour by the platinum - cobalt scale - visual method
透明液體.用鉑-鈷色標評定色度.觀測法Clear liquids - estimation of colour by the gardner colour scale - visual method
透明液體.用加德納色標評定色度.觀測法For example, the simultaneous multiple wavelength observation of certain pulsars help astronomers to more precisely determine their radiation emission mechanism
例如利用這觀測法來觀測脈沖星,可幫助天文學家確定其輻射發放機制。An even more aggressive tool that astronomers are currently using is to observe an object in different wavelengths at the same time, known as simultaneous multiple wavelength observation
目前天文學家已掌握更先進的工具,能同時對天體的不同波段進行觀測,這種方法稱為同時多波段觀測法。The results of simulations and experiments not only demonstrate that the method of rotor flux estimation on the basis of the voltage model is used in the range of high speed, but also show that the method of flux estimation affects the validity of speed identification directly
針對1 . 1kw異步電機進行了實驗,模擬和實驗結果都表明電壓模型磁鏈觀測法適用於高速場合,同時說明磁鏈觀測方法的優劣直接影響到電機轉速辨識結果的準確性。In order to decrease the cost, simplify the structure of the pmsm servo system and at the same has no effect on the system performance, this paper uses hall element as the position sensor, which has very low solution but very low cost, and in order to realize sinusoidal current drive of pmsm, this paper presents a new rotor position estimator based on flux estimation
為了降低成本,簡化系統,本文採用低解析度的霍爾元件作為pmsm伺服系統的位置傳感器,採用基於磁鏈觀測法的低解析度位置傳感器控制技術,來估計電機轉子的實時位置和轉速,實現電流的正弦換向,減小轉矩脈動。分享友人