temporal accuracy 中文意思是什麼
temporal accuracy
解釋
時態精度-
Due to the importance of the accuracy of the time - domain impedance matrix elements, the techniques by which treating of the singular integrals and near singular integrals arose from the tdie - mom solving process are analyzed in detail, and these techniques are utilized to solve the tdie. in the end, using triangle patches discretizing arbitrarily 3 - d dielectric objects and metal - nonmetal composite objects surface and utilizing spatial rwg and temporal triangular bases, the tdie are solved by mot algorithm
最後，分別對三維介質目標、金屬非金屬組合目標散射體表面用三角貼片離散，並在空間上採用rwg基函數，在時間上採用三角型時間基函數、利用阻抗元素的精確演算法計算出阻抗矩陣，再運用mot法分別求解了介質體目標，金屬非金屬組合目標的時域積分方程，並分析了金屬非金屬組合目標分界面上的等效電流與等效磁流的特性。 -
For parameter a, there is a close relationship exist between a ( 9, sr ) in two different radar incident angle that can be expressed as : with considering the effects of soil texture, we get the final expression of the inversion model : where mv ( t1 ), mv ( t2 ) is volumetric soil moisture content in two different temp, c, d is soil type related parameters, and v ( t1 ), s ( t2 ) is coresponding bare soil radar backscattering coefficients. inversion results show that for the c band hh polarized radarsat scansar data with a range of incidence angle from 20 to 40, the soil moisture change value can be derived with an acceptable accuracy using the above model. the temporal and spatial soil moisture change patterns are associated with rainfall and vegetation cover, as well as the soil hydraulic characteristics
利用最新發展的電磁波散射模型研究了不同植被覆蓋地表雷達波對地表土壤水分的敏感性，建立了半經驗植被雷達後向散射模型; 2 ） .研究發現在農作物等矮小植被覆蓋地表，植被層直接後向散射與植被類型相關，且在植被生長期，雷達後向散射系數對植被含水量的敏感性要高於對植被高度變化的敏感性; 3 ） .解決了單參數雷達地表土壤水分反演問題中，雷達入射角和地表粗糙度的影響這一難點問題; 4 ） .利用土壤介電模型校正了不同土壤類型對反演地表土壤體積含水量的影響; 5 ） .在以上成果基礎上，建立了完整的單參數雷達地表土壤水分變化探測反演演算法，經地表驗證，模型反演地表土壤水分變化值的精度為rmse = 0 -
The results are as follows : ( 1 ) based on soil temperature data measured at different time in the field, soil temperature characteristics under plastic mulch were analyzed at four locations : the middle, the edge, in - between the plastic film and uncovered spot ; the characteristics of soil temperature profile from 0 to 25cm depth and the correlation of soil temperatures in different soil layers were studied at different time with and without plastic mulch ; on the basis of analyzing temporal and spatial variations of soil temperature in a corn field, the relations between soil temperature and air temperature were established, and a new method that only uses air temperature to predict soil temperature profile at different time is proposed. the predicted results showed good accuracy
成果如下： （ 1 ）根據大田實測地溫資料，分析了覆膜條件下膜中、膜邊、膜間和揭膜四種處理在早、中、晚三個不同時刻的地溫特徵；分析研究了各觀測時刻覆膜與不覆膜條件下0 25cm剖面地溫的特點及各層地溫間的相關關系；在重點對玉米田地溫時空變化特徵分析的基礎上，首次將覆膜與不覆膜不同時刻觀測的剖面地溫與氣溫建立了聯系，提出了僅根據氣溫資料來預測一日內不同時刻剖面地溫的新方法，預測結果表明其精度較高。 -
In order to enhance system ' s interaction ability, spatial and temporal sharing technology should be improved in following areas : increase participant behavior ' s accuracy and consistency ; support multiple participants to operate one entity in same time ; be adaptable to different tasks, offer different level of accuracy and consistency according to different types of task ; be adaptable to different bandwidth, transfer most important messages according to current bandwidth
為了提高系統的交互性，時間和空間共享技術要在以下方面進行改進：提高系統的行為再現精度和一致性；一致性控制支持不同用戶在同一時間對同一個物體進行操作；使系統具有對任務的自適應能力，能根據用戶從事不同類型的任務提供與之相適應的再現精度和一致性；使系統具有對網路帶寬自適應的能力，根據當前的帶寬情況選擇最重要的信息進行傳輸。 -
The above spatial and temporal discretization in the boundary, and two - directional average in the intersection, can satisfy completely n - s equations, and have high accuracy in the all computational regions
對邊界上的空間微分採用高階緊致差分格式離散，時間微分採用四階時間推進處理，在交界處採用雙向差分平均法，保證了整個計算域上的流動都滿足navier - stokes方程，並具有高階精度。 -
( 2 ) two experiments for this system are done : one is about system accuracy testing, another is label - based human motion analysis. ( 3 ) in active contour based tracking, segmentation and tracking of video moving object is used for guiding the extraction of video object plane from the video sequence. this dissertation describes spatio - temporal information to automatically segment and track video moving objects
（ 2 ）對這個系統進行實驗測試和結果分析；首先進行了系統精度測試實驗，結果表明此系統可以用於人體運動分析，然後進行了有標志點人體運動分析的實驗測試，方法是將標志點貼在手腕上進行運動，結果得到手腕運動的三維運動軌跡，最後進行結果分析。 -
In order to improve the ranging accuracy of a lidar, the effect of amplitude and width of the echo signal on the ranging accuracy of a lidar with bell - type laser pulses in temporal domain and gaussian pulses in spatial domain, was studied under the condition of constant - voltage - amplitude discrimination
摘要為了提高脈沖激光雷達的測距精度，研究了光束在空域為高斯光束、時域為鐘型脈沖的激光雷達在恆電壓幅度鑒別模式下，回波信號幅度變化和寬度變化對測距精度的影響。 -
Resolution and temporal accuracy will dynamically improve during the next 100 hours. full burn - in is about 250 hours
"在100小時內的改善是非常明顯的，而要完全褒好則需250小時. -
Solutions are advanced in time by explicit four - stage runge - kutta integration with up to second - order temporal accuracy. to avoid grid motion induced error, the geometric conservation law ( gcl ) is satisfied numerically
為避免網格運動給數值解帶來額外誤差，給出了幾何守恆律的離散形式並在數值上滿足了幾何守恆律條件。 -
Therefore the paper also indicated that the hubex as the eastern asia part of the game is necessary to continue, and increasing the temporal and spatial resolution of meteorologic elements observed is important to improve our forecasting accuracy of the weather and climate
因此，本文也證實了game的外場加密觀測試驗一hubex等開展的必要性，說明增加觀測資料的時空解析度對于提高我國天氣氣候的準確率具有重要意義。 -
The paper ' s experiments also reveal that it is far beyond the need of improving objective and quantitative precipitation prediction to have only a mature mesoscale model, in effect, the temporal and spatial accuracy of data is crucial, and that radar dat a ' s 4d variational assimilation in mesoscale model is an efficient way to solve the problem of the temporal and spatial accuracy of data
本文的試驗結果還表明：要想提高客觀定量的模式降水預報，僅有一個成熟的中尺度模式是不夠的，資料的時空精度至關重要，而多普勒天氣雷達資料在中尺度模式中的四維變分同化是解決資料時空精度問題的有效手段。 -
5 ) the atmospheric noise of interferogram is a fractal process, whose spatial spectrum exhibits the characteristic - 8 / 3 powder law behavior associated with turbulence phenomena. the effects of this 1 / / process to insar dem were anylysised and the error power of noise and atmospheric term were estimated for weighted combination of multi - temporal insar data. the test results showed this data fusion process can improve the accuracy of insar dem
引i 』涉圖的大氣噪聲為一分形過程，其空間譜表現為與渦流現象有關的8 3冪函數特性， l人氣過程和噪聲對利用干涉數據提取的dem精度有很大影響，利用不同時相的dem ，在小波域中估計大氣和噪聲的誤差功率，並在此基礎上對dem進行了權重融合，實驗結果證明，此數據融合方法可以很好的提高幹涉sar所提取的dem的精度。 -
By making use of the temporal correlation of the moisture changes, estimation and prediction might be achieved with satisfying accuracy
利用?度變化在時間上的相關性，吾人可預期土壤?度的估計與預測是可以達到一相當的準確度。
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