估量積分 的英文怎麼說

中文拼音 [liángfēn]
估量積分 英文
weighed integral
  • : 估構詞成分。
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • 估量 : appraise; estimate; assess; value; weigh; balance; ponder
  • 積分 : 1. [數學] integral; integrate; integration 2. [體育] (積累的分數) accumulate points
  1. In this paper, two major types, the natural vegetation and crop vegetation in luota are studied. we can gain the different distributive area by remote sensing technology, in accordance with conifer forest, broadleaf forest, thick shrub forest, shrub forest, herbs shrub forest, herbs naked rock and crop vegetation. the valuation of the output of standing trees, water conserbancy, soil conserbation to control erosion and purify the air is the main basis which is used to value the functions of the forest ecosystem of the conifer forest and broadleaf forest of luotathe result reveal that the total ecological function value of the forest which area is 1388. 8 hm2 is estimated up to 18. 36 million yuan per annum. the synthetic valuation system of luota vegetation is put forward by the valuation of per hm2 in evergreen - deciduous forest, conifer forest, conifer and broadleaf forest, broadleaf forest, scatteredtree - shrub forest, coppice - shrub forest, herbs shrub forest, econamic crop and cereal crops. the plant resources is valued according to the ornamental and green plant. lumber trees and medical plant. ornamental plant includes hosta plantaginea. lilium brownii van viridulum, spiraea cantomiensis and so on. lumber tuees includes zzzelkova schneideriana, emmenopterys henryi, catalpa fargesii and so on

    本文把洛塔現存植被為自然植被與栽培植被兩大類進行研究,通過遙感技術對現存植被按針葉林、闊葉林、密灌、灌叢、草灌、荒草裸巖、農作物植被等類型進行佈面的統計,在此基礎上,以林產品價值、涵養水源價值、保護土壤價值和凈化空氣價值作為算的主要參考依據,對已成林的針葉林與闊葉林進行森林生態系統的價值算,得出面為1388 . 8hm ~ 2的針葉闊葉林的森林生態價值為1836 . 37萬元,參照這一生態價值,把洛塔植被按常綠落葉林、針葉林、針闊混交林、闊葉林、疏林?灌叢、矮灌叢、荒草灌叢、經濟作物和糧食作物,以每hm ~ 2的價值提出了洛塔植被的綜合價值體系。
  2. Focused on the application of the generalized cross correlation ( gcc ) time delay estimation ( tde ) in the car microphone array denoising system, gcc tde algorithm is analyzed theoretically and compared with high rank cumulation tde

    摘要針對汽車環境中麥克風陣列語音去噪系統的應用,對廣義相關時延計方法進行了模擬,並與基於高階累的時延計方法作了比較析。
  3. In this thesis, ga is used to optimize the beam weights of intensity modulated radiation therapy ( imrt ) inverse planning, and 2d and 3d isodose contour as well as dose volume histogram ( dvh ) are used to evaluate the treatment plan

    本文應用遺傳演算法優化逆向調強放療計劃中射束的權重,用二維等劑線、三維劑佈和劑直方圖來評計劃的優劣。
  4. The key problems on studies of passive and integrated thoron monitoring methods are to set up a thoron chamber for the conditional experiments and the calibration of thoron dosimeters, develop methods for discriminating thoron from radon and for the effective dose evaluation of thoron daughters base on thoron exposure

    研究被動測(氣土)技術的關鍵在於研究用於條件實驗和刻度的(氣土)室刻度系統、甄別氡的方法和由(氣土)暴露算(氣土)子體所致有效劑的方法。
  5. Creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design

    基於現有的試驗資料,高層及大跨度民用建築的徐變析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變度方法進行.從徐變系數的定義出發,利用中值定理和疊加原理,推導並修正了加載齡期與起算齡期不同時徐變收縮應變增的表達式,對比了應用徐變系數析徐變的有限元法和應用徐變度析徐變的初應變法在效率和精度上的差別,並建議應從概念設計的角度出發,採用徐變度的初應變法來算徐變對高層及大跨度民用建築的影響
  6. Abstract : creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design

    文摘:基於現有的試驗資料,高層及大跨度民用建築的徐變析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變度方法進行.從徐變系數的定義出發,利用中值定理和疊加原理,推導並修正了加載齡期與起算齡期不同時徐變收縮應變增的表達式,對比了應用徐變系數析徐變的有限元法和應用徐變度析徐變的初應變法在效率和精度上的差別,並建議應從概念設計的角度出發,採用徐變度的初應變法來算徐變對高層及大跨度民用建築的影響
  7. Study achievement appears as following aspects : ( 1 ) yellow river estuary gate river flow and tide flow mixed area is not keep standing deposition status, on special income water and sediment conditions, boundary conditions and oceanic power conditions, this area may on the scour status ; ( 2 ) observed from estuary sediment deposition distributing process : delta and sea offing area sediment deposition vary trend is similar, each part sediment deposition scale varies as wave shape ; ( 3 ) on estuary gate, affect the sediment deposition factors, primary factors are tide prop, the gate widens gradually, estuary gate have branches, brine induced flocculation. this paper study the estuary gate widen, estuary gate have branches to affect the river channel deposition in quantity ; ( 4 ) based on field measured data, for the first time, deduce the estuary sediment deposition and distributing regress formula which can estimate estuary different areas sediment deposition volume ; ( 5 ) this subject demonstrate the estuary delta coastline dynamic balance conception, build the relationship between the estuary income sediment with deposition land area, draw the following important conclusion : when estuary years - averaged income sediment keeps at 345 million tons, the delta coastline may on the dynamic balance status. ( 6 ) this subject firstly brings up estuary sediment optimized control conception, and has the primary study on the macroscopically optimized control conception method

    研究認為: ( 1 )黃河河口口門逕流潮汐區域並非持續保持淤狀態,在特定的來水來沙、邊界條件和海洋動力條件下,該區域可以處于沖刷狀態; ( 2 )從河口泥沙沉配的過程來看:三角洲與濱海區泥沙的沉變化趨勢是基本一致的,各部位的泥沙沉比例變化基本呈波動狀態,且三角洲與濱海區泥沙的沉比例與來沙密切相關,基本成正比關系; ( 3 )在口門處,影響泥沙沉淤的因素主要集中在潮汐頂托、口門逐漸加寬、河口門汊、鹽水造成絮凝等,本報告主要對口門加寬,口門西妥理工大學工程碩士專業學位論文漢對河道淤的影響進行了定析: (一扣根據實測資料首次建立了河贖流路泥沙沉配的回歸計算式,據此可以預計算河口不同區域泥沙的沉淤; 、 5 )本項研究首次論證了河口三角洲岸線動態平衡的概念,並建立了黃河河口來沙與造陸面的相關關系,得出了當河口多年平均來沙維持在3 . 45億t時其河口三角洲岸線則可能處于動態平衡狀態的重要結論; 『 6 )本項研究首次提出了河口泥沙優化調控的概念,並對其宏觀優化調控模式進行了初步探討。
  8. Based on the multivariable analog of civcle criterion, an observer is designed to estimate the system states and hence the dynamical equations satisfied by the estimation error are derived first

    基於多變的圓判據設計觀測器來計系統的狀態,進而給出了觀測誤差滿足的動態方程,然後利用反推方法,構造性地設計出了輸出反饋鎮定控制器。
  9. With the using of microsoft visual basic 6. 0, a multimedia computer - aided design system of small type pumping irrigation district is developed in this paper. provided with the live multimedia messages as well as a good man - machine conversation mechanism, this system can help the user to finish the planning of an pumping irrigated area such as the layout of canal system, the selection of pump models, the establishment of the irrigation program, the calculating of canals " parameters, the estimate of the project magnitude, the selection of the field constructions, the economic analysis of the project, the output of results, etc, a new oo ( object oriented ) programming method is adopted in this system, various softwares are integrated in this systems as well by the " automation " technic provided by vb, in addition, the multimedia technic is applied to this system for the first time, it makes the system easy to ope rate. as for the optimization of the canals " section, a new optimization method is adopted based on the existing theories about the canals " section, and in this way, with the purpose of minimizing the project ' s investment as well as a stalized canal, limited by the longituding slope, the canals " best feasible parameters can be deduced. furthermore, a integral method to reckon the earth work is developed in this paper, by this way, the estimate precision of the earthwork is enhanced notably. this paper includes the particular illumination for the developing procedure of each systems " segment, and in the end, the directions of the system are demonstrated in a sample area which lies in the zhaija village, taizhou city, jiangsu province, the running results showed that the initial purposes are achieved effectively, and it has a preferable practicability

    在渠道縱橫斷面優化方面,本文在利用已經比較成熟的縱橫斷面優化理論的基礎上,提出以工程總費用最小為目標函數,以渠道縱坡i為控制變,以渠道不沖不淤流速及灌區允許地面比降為約束條件,通過縱橫斷面聯動優化的方法得到渠道的最佳工程可行的斷面參數。另外,針對部地區的取土困難的狀況,本文採用法計算渠道工程土方,從而大大提高了土方算精度,有助於準確控制工程投資規模及資金投向。本文詳細闡述了該系統所採用的編程方法、系統構成、系統各組成模塊的開發過程以及灌區規劃所採用的優化方法及原理,最後應用本系統對泰州市翟家村機電灌區進行規劃設計,運行結果證明其操作比較簡便,界面友好,運行速度快,規劃成果合理,基本達到了系統預定的要求,具備較強的實用性。
  10. According to the relation between gear wear and its vibration, continuous wavelet transform is introduced to estimate the wear condition, the energy values of continuous wavelet on scale fit a spline which is much like that of the wear course of the gear

    最後,將基於連續小波變換的信號處理方法引入變速箱齒輪的磨損計。根據信號的連續小波變換的能譜對尺度的值,擬合得到齒輪的磨損過程曲線。
  11. In the thesis the low drag - low noise optimization of the vehicle main form design is realized, main accomplishments are as follows. researched the knowledge of drag and flow noise, the parameters of the boundary layer are calculated by the hess - smith method and boundary layer momentum integral method. the calculation of the length of transition zone and change in boundary layer displacement thickness between laminar and turbulent states in the transition is improved, then the drag coefficient and self - noise from the transition zone are calculated as the objective functions of the optimization

    主要研究內容和成果如下:對航行器繞流流場進行析,深入研究了阻力和流噪聲產生機理,建立了阻力系數和自噪聲的評數值計算模型;採用物面佈源匯法和邊界層動法對繞流流場的流體動力參數進行計算,改進了轉捩區長度和邊界層位移厚度的計算,應用於航行器頭部駐點自噪聲的計算;最後設計了阻力系數和自噪聲數值計算程序模塊。
  12. The main module of sensorless pmsm vector control such as voltage sensing, current sensing, smo rotor position estimation, speed calculation, generation of sine and cosine, vector coordinate transformation, pi regulators, svpwm vector modulation are all accomplished in the pwm interrupt service routines

    永磁同步電機無位置傳感器矢控制的主要模塊如電壓采樣、電流采樣、滑模轉子位置算、速度計算、正餘弦值生成、矢坐標變換、比例調節器、空間電壓矢脈寬調制等都是在pwm中斷服務子程序中完成。
  13. The analysis shows that this method makes full use of the measured data of the impulse response from start to finish

    該方法充利用了脈沖響應從早期到後期的所有測數據,降低了信噪比和上限對混響時間值結果的影響。
  14. The deviated evaluation caused by either the low signal - to - noise ratio or the careless choice of the integration limit is avoided, and a precisive reverberation time evaluation is achieved

    克服了脈沖響應法測混響時間中,由於較低的脈沖響應信噪比或上限選擇的不當所產生的值偏差。
  15. In particular the energy decay of the solution is obtained by the use of komornik ' s integral inequality

    特別地,我們利用komornik不等式得到弱解的能衰減計,其中a _ 1 , a _ 2和n為一些hilbert空間上的有界線性運算元
  16. By combining the chirpogram and the mean likelihood estimation with mrkov chain monte carlo technique, it is shown that accurate estimates can be obtained for chirp signals

    此方法將均值似然計和調頻圖應用於mcmc中,避免了極大似然計中的運算和多維搜索,減少了計算
  17. In this paper, we consider mixed finit element methods for the initial - boundary value problems of two order hyperbolic equations and linear integro - differential equations of parabolic type, obtain the error estimates of the discrete schemes for this two kinds of problems. in chapter one, we consider the expanded mixed finite element methods for the followling 2nd order hyperbolic problems this method expands the standard mixed formulation in the sense that three variable are explixitly treated : the scalar unknwon, its gradient and its flux

    本文討論了二階雙曲方程和線性拋物型方程方程初邊值問題的混合有限元方法,得到了這兩類問題混合有限元離散格式的誤差計。第一章討論二階雙曲初邊值問題的擴展混合元方法。該方法能同時逼近未知函數、未知函數的梯度和流體的流,較好的模擬了帶有混合型邊界條件的二階雙曲問題。
  18. Quantification methods were introduced into management, networks of critical case assessment were used in managing patients, and the system for assessing training in techniques for nursing critical cases was used in managing nursing personnel, thus improving the quality of the nursing pensonnel, ensuring the rational allocation of human resources and promoting the enhancement of the hospital ' s medical quality and its social and economic benefits

    通過組織危重癥患者的護理技術培訓、查房與會診和擴大危重癥護理技術協作網范圍、將化手段引入管理,還應用重癥病人評網路管理病人,應用危重癥護理技術訓練測評系統管理護理人員,提高了護理人員的素質,使人力資源得到合理配置,促進了醫療質和兩個效益的明顯提高。
  19. As a result, the low - frequency contents increase as the centroid of signal spectrum experiences a downshift, in case that frequency is independent on quality factor, the offset of the centroid frequency is proportional to the integral of attenuation factor along wavepath, thus can he used to reconstruct the attenuation distribution

    假設介質的品質因子與頻率無關,地震波主頻的偏移與吸收系數對傳播路徑的成比例,則通過它們之間的關系可以測介質的吸收系數。
  20. After the original data acquired from the experiment were filtered by wavelet transformation, the energy integral of the filtered signal was taken as stress wave factor ( swf ), from which the material can be distinguished between demage and undamage, and the degree of damage can be qualitatively estimated

    在對所得試驗信號進行小波濾波后,應用了能方法化應力波因子,據此值可以區材料有無損傷,並可定性地評損傷程度。
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