時域積分 的英文怎麼說

中文拼音 [shífēn]
時域積分 英文
integration in time-domain
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : 名詞(在一定疆界內的地方; 疆域) land within certain boundaries; territory; region
  • : 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
  • 積分 : 1. [數學] integral; integrate; integration 2. [體育] (積累的分數) accumulate points
  1. The complex nonlinear pursuit - evasion model of two spacecraft in near - earth coplanar orbit is simplified to linear model, the circular region the radius of which is equal to capture radius is defined as target set, capture is achieved when the evader come into the target set and the game is over ; the boundary of useable part ( bup ) is determined, and the analytical form solution of the linear equations is obtained by backward integration of the state variables from the bup, the linear barrier of the pursuit - evasion model and the optimum thrust of the both sides are thus obtained

    本文將近地共面軌道內運動的兩飛行器非線性追逃模型簡化為線性模型,以捕獲半徑的圓定為目標集,確定目標集邊界上的可用部,並以此為各狀態變量的起點,對間進行倒向,求得線性方程組的解析解,從而確定了該追逃模型的線性界柵,以及界柵上對策雙方的最優推力,即求得了滿足最優策略相對運動的軌跡和推力。
  2. The paper takes integral calculus equation of time domain to express rails " dynamic response, then obtains the answers to time domain

    將軌道的振動響應用方程式表示,由此得到解答。
  3. Bone age plays an important role in the research of pedology and physical training. in the standard of estimating skeletal maturity for chinese ( method of chn scoring ), people who evaluate abstain with the aid of x film imagegrade of bones score, then woke out the bone age. this have caused the shortcoming of the high costly and consuming long time, that unfavorable to the bone age assessment ' s popularization

    骨齡在在兒科學和體育科學等領有著非常重要的作用。在中國人骨成熟度評價標準( chn法)中,需要藉助于x光膠片來獲得各骨的等級得,然後計算骨齡。這樣造成了費用高、耗長的缺點,不利於骨齡評價的推廣。
  4. Climatological characteristics, which can provide some drought or flood years with large - scale background, are investigated for large - scale water vapor transport over asian - australian monsoon region based on vertically integrated water vapor flux by pentad from 1980 to 1997. at the same time, the differences of moisture transport over the yangtze river basin between drought and flood and the moisture budgets over eastern china from april to september are examined. major results are as follows : i

    使用1980 ? 1997年垂直的整層水汽輸送通量資料,從氣候平均的角度析了亞澳季風區大尺度水汽輸送演變和偏南風水汽輸送在東亞地區推進的氣候特徵,為研究異常年份旱澇事件的產生提供了相應的大尺度背景;同還討論了長江流旱澇年水汽輸送的差異以及4 - 9月我國東部各區的水收支情況。
  5. Shielding schemes of computer vdu are suggested through transient electromagnetic scattering analysis. method of time - domain integral equations is used here. a new soft - tempest method is found to strengthen protection capability of electromagnetic information leakage

    時域積分方程法,通過瞬態電磁場析推薦了計算機顯示器的屏蔽方案,提出soft - tempest技術的新措施以加強信息電磁泄漏防護; 4
  6. In this paper, we will introduce an accurate and stable method which bases on mot to solve dielectric objects and metal - nonmetal composite objects

    在本文文章中,介紹了一種基於間步進法求解介質目標、金屬非金屬組合目標時域積分方程的精確,穩定的方法。
  7. The research work presented in this dissertation provides an efficient approach to analyze the dielectric objects and metal - nonmetal composite objects ’ transient electromagnetic scattering phenomena, as well as a solid foundation for the further development in this subject

    本文的工作為析介質體、金屬非金屬組合目標電磁散射現象提供了有效的方法途徑,也為運用時域積分方程求解結構更為復雜、尺寸更為電大的金屬非金屬組合目標的研究打下了堅實的基礎。
  8. 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,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,在間上採用三角型間基函數、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,並析了金屬非金屬組合目標界面上的等效電流與等效磁流的特性。
  9. A lot of data of elevation in different places of the shallow water of n antong were obtained by fish - exploring machine and gps determining and tide cor recting. an image which reflects landforms of nantong was obtained by selecting f rom the many noaa images on different channels and in different phases. based on the image, grey scales corresponding to different places were obtained. by using c la ssifying liner regression technique, liner regression equations were established between the elevation and grey scale, and the threshold values of grey scales of the different elevations were determined. according to the threshold values, the a reas of the tidal zone above different elevations of the shallow water of nanton g were estimated

    通過利用gps及漁探器實測,並進行潮位訂正,獲得南通淺海海大量測點的高程資料;通過對多相各通道noaa衛星照片進行篩選,挑選能反映淺海地貌的通道資料,從中讀取各測點相對應的灰度值,在此基礎上利用級線性回歸,建立不同高程范圍內的高程、灰度線性回歸方程,確定不同高程的灰度閾值,從而測量出南通市淺海海不同高程以上的潮間帶面佈。
  10. Because of the large advantage in the analysis of electromagnetic scattering and radiation problem, using the time domain integral equation ( tdie ) solving every structure of objects ’ scattering become to an important direction in computation electromagnetics, but the classical mot ( marching - on - in - time ) - based tdie solvers have a drawback : the late time stability problems

    由於時域積分方程對于析電磁散射、輻射問題有著無可比擬的優勢,利用時域積分方程求解各種結構體目標散射成為計算電磁學領中一個非常重要的方向。但是傳統的間步進法求解時域積分方程存在致命缺點:后穩定性不好。
  11. The newmark - p step - by - step numerical integration algorithm is used to calculate the response behavior of system when feed cabin locates at a certain position ( typical location ) and when feed cabin moves along a certain trace ( time - dependent structure )

    。 ark d數值方法,在析了饋源艙停留在空間某一位置(典型點)和沿空間某一軌跡運行(變結構),系統的順風向風致響應。
  12. Abstract : this paper developed time domain integral constraints on error response for siso feedback control systems caused by nominal plant ' s near cancellation of stable pole - zero near the j - axis. these integral constraints should be satisfied by any feedback control systems. these integral constraints give new insight into the inherent trade - offs. it will result in the settling time longer or the infinite norm of the error response larger when there are near cancellations of stable pole - zero near the j - axis. hence, when feedback control systems are designed, it is necessary to avoid the compensator ' s poles and zeros nearly cancelling the nominal ' s zeros and poles ( even if these poles and zeros are stable )

    文摘:導出了單輸入單輸出反饋控制系統誤差響應基於名義系統穩定的零、極點近似相消的約束,此約束是任何反饋控制系統均應滿足的.這一約束給出了單輸入單輸出反饋系統固有折中的新的觀點.名義系統穩定的零、極點近似相消的存在導致反饋控制系統的調節間延長或者誤差響應的無窮范數變大.因此,在反饋控制系統設計中,盡量避免補償器的零、極點與名義系統的極、零點近似相消(即使這些零、極點是穩定的)
  13. In this paper, load identification is studied in the time domain by combining the coupling method and the precise time integration method

    該文通過耦合方法與精細法的結合,對載荷辨識問題進行析和推導。
  14. First, every form of tdie is described in detail. the general implementation of time - domain integral equation solver is presented. the details that relate to the method of moments ( mom ) used to solve the tdie are discussed

    首先,本文別詳細推導了研究金屬目標、介質目標與金屬非金屬組合目標散射的時域積分方程的各種形式,對矩量法( mom )求解時域積分方程所涉及的細節進行了析,並介紹了求解矩陣方程的數值演算法。
  15. Several numerical results show that the proposed method is stable and accurate, and it is nearly not sensitive to the high -, low - frequency component of the incidence wave

    幾個典型數值算例表明,利用本文方法求解時域積分方程的結果具有非常好的后穩定性和精確性,並且對低頻成份、高頻成份不敏感。
  16. In chapter 4, method of moment ( mom ) solution of transient electromagnetic scattering by perfect conducting surfaces is discussed by dealing with time - domain integral equations ( tdie ' s ). rectangular patches model and triangular patches model are compared and their applications are exploited. in the mean time reference [ 42 ] and [ 61 ] are recruited

    其中第四章通過求解時域積分方程給出了良導體表面瞬態電磁散射的矩量法解,比較了矩形貼片模型和三角貼片模型並拓展了它們的應用,補充了文獻[ 42 ]和[ 61 ]的內容;第五章工作重心是計算機顯示器屏蔽箱體的設計,對通風問題給予了充考慮。
  17. It is a well - compromised solution to both the computation resource problem and measure time problem. compared to the integrate average method, which is found widely used in octave analysis, this algorithm saves much computation. dsp - based real time hardware design is also studied in this thesis

    本文提出了基於多辨譜估計理論的高解析度倍頻程析演算法,能夠在普通的dsp上實現高精度的倍頻程析,與傳統的時域積分平均演算法相比,在計算效率上有著明顯的優勢。
  18. Many scholars in china and foreign countries have tried to improve the drawback, but it is difficult to deal with it effectively

    中外許多學者為了改善時域積分方程這個缺點做了許多工作,但是很難得到有效的解決。
  19. By the theory of z transformation of linear system and matrix, we proved the validation of the averaging filter method using in ietd to cancel oscillation. then we illustrate the disadvantage of using averaging filter and give a new averaging filter that we note as phase - modified averaging filter, which can reduce the disadvantage. at the end of this chapter, we study the potent of reducing the time - cost of ietd by taking account the short duration characteristics of incident impulse

    本文第二章,首先簡述了時域積分方程遞推解法( ietd ) ,然後推導了應用於旋轉對稱體的,能夠減少計算量的ietd方法,重點闡述並應用線性系統的z變換理論和矩陣理論研究了ietd方法中遇到的穩定性問題,從理論上證明了平滑濾波技術的有效性,指出了它對計算精度的影響,並在析的基礎上提出了新的相位修正平滑濾波方法。
  20. Furthermore, numerical algorithms used to solve the linear system are introduced. next, after briefly discussing several causes of the late - time instability of the tdie solvers, a novel viewpoint about the instability is proposed. the marching - on - in - time algorithm ( mot ) is described and some temporal bases are discussed

    其次,在簡要析了引起時域積分方程( tdie )間步進演算法求解的后不穩定性問題的幾個原因后,指出引起時域積分方程間步進演算法的后不穩定性的主要原因是離散tdie採用了不精確的數值計算方法和不恰當的近似。
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