非壓縮性體 的英文怎麼說
中文拼音 [fēiyāsuōxìngtǐ]
非壓縮性體
英文
incompressible body-
The second section : under the conditions of nonlinear boundary controbility, we consider the initial boundary value problem of camassa - holm equations with dissipative. by using the contractive mapping fixed point theorem and a priori estimates, the existence of global smooth s olution, global attractor in h ~ ( 2 ), t ime p eriodic s olution or almost - periodic solution and the global exponential stability are proved
第二部分:在非線性控制邊界條件之下,對于帶耗散項的camassa ? holm方程的初邊值問題,用壓縮映射不動點原理及先驗估計方法,證明了整體光滑解的存在性、整體解的指數穩定性、 h ~ 2空間中整體吸引子的存在性以及時間周期解和殆時間周期解的存在性。Consequently, on the basis of non - winkler foundation model, a finite - element method that utilizes foundation flexibility matrix into iterative calculation is proposed in this paper originated from the item " the optimal design theory and research of pile capping beam " sponsored by natural science fund of hunan province, which the continuity of soil mass can be accounted for under various boundary conditions, different loadings and irregular beam characters
本文結合湖南省自然科學基金項目「樁基承臺梁優化設計理論與方法研究」 ,針對非文克爾地基(半空間、線性變形層或單向壓縮層地基模型等)上的樁基承臺梁,提出一種利用地基柔度矩陣來進行迭代的有限單元法,可充分考慮梁下土體的連續性,並對基礎與土體脫開、承臺梁截面變化、梁體邊界條件復雜、上部荷載類型變化以及梁下基樁承載力差異等情況進行分析計算。In this dissertation the pulse compression performances of linear frequency modulation signals ( lfm ), nonlinear frequency modulation signals ( nlfm ) and design of their side - lobes suppression filters are analyzed, and design of the pulse compression program of 4 pieces of adsp21160 in the processing unit and the program of single piece of adsp21160 and fpga in the interface unit of the pulse compression system are introduced in detail
全文分析了線性調頻信號( lfm ) ,非線性調頻信號( nlfm )的頻域脈沖壓縮方法及其旁瓣抑制濾波器的設計和優化,詳細介紹了脈沖壓縮系統中基於4片adsp21160的處理單元和單片adsp21160和fpga組成的介面單元的軟體設計。Non - linear compression for noises in non - contact vital signs dete cting system
非接觸生命體征檢測系統中噪聲的非線性壓縮The mechanical parameters were evaluated by cure fitting of the experimental data. from this model, the deformation, stress of the grape skin and the change of the inner - pressure was obtained. it was found that the change of the volume for unit of force is a constant
並利用該模型對葡萄受到壓縮外力作用時,外力、變形、內壓改變量和葡萄皮應力之間的關系進行了計算和分析,得到了體積改變量的變化值是一個常數,使得各力學量與葡萄總體變形量的關系是非線性關系的結論。The resonant flow was researched in this paper, which is an incompressible, inviscid fluid with surface tension and different variational bottoms ; the effects of different variational walls on the nonlinear surface waves were analyzed
本文通過對具有表面張力的、不可壓縮、無粘性流體流過不同壁面時的共振流動進行研究,分析了壁面變化對非線性表面波的影響。The fact that wave velocity in quasi - saturated soil is equal to that of fully saturated soil could not be calculated by effective fluid compressibility or explained by unwell - distributed saturation. we account for this in a new reasonable way which was based on kuster scattering effect analysis
( 8 )根據kuster散射波理論,計算了飽和度大於85的準飽和土體的彈性波速,其結果與試驗非常吻合;但是,通常所用的等效孔隙流體壓縮系數的方法所計算的結果與實驗結果差別很大,對此,筆者給予了一定的解釋。For unmagnetized, relativistic and hot ion plasmas, the ion - acoustic waves can be described by the kadomtsev - petviashvili ( kp ) equation ( ( ut + auux + buxxx ) x + duyy = 0 ). it suggests that the nonlinear ion - acoustic solitary waves in a relativistic hot ion plasma are stable even there are some higher order transverse perturbations. there are only compressive solitary waves in the relativistic hot ion plasmas which has been vertified analytically
在低階近似下,無磁場相對論熱離子等離子體可由kp方程( ( u _ t + auu _ ( x ) + bu _ ( xxx ) _ x + cu _ ( yy ) = 0 )來描述,相對論熱離子等離子中的非線性離子聲孤波在高階橫向擾動下是穩定的,且在相對論熱離子等離子體中僅存在壓縮型孤波Motion - jpeg adopts intra - frame compression to supply the frame accuracy editing. mpeg - 2 adopts hardware to solve this problem. but at present there is no nles cards which can support mpeg - 4 compression format
目前尚無支持mpeg - 4壓縮格式的非線性編輯卡, mpeg - 4應用於非編只能採用軟體編解碼,這在幀精確編輯時會引起素材搜索遲緩的問題。In order to reduce the equation complexity and adapt to complicaied noniinear ana1ysis of high arch dams with joints, finite element treatments are used with incompressibie water and massless foundation. the added mass of water and added stiffness of foundation are respectively used to substitute the influence of water and foundations. the efficiency in the computations is improved by means of static condensation
為適應有橫縫高拱壩非線性分析的復雜性,採用不可壓縮水體和無質量地基假定進行有限元處理,以水體附加質量和地基附加剛度近似代替水體和地基的影響,通過靜凝聚提高計算效率。In the third chapter, we will study the existence and uniqueness of the classical global solution and generalized global solution to the periodic boundary value problem and the cauchy problem for this kind of equation. in the second chapter, we study the following nonlinear wave equation of higher order : with the initial boundary value conditions or with where a1, a2, a3 > 0 are constants, ( s ), f ( s0, s1, s2 s3, s4 ) are given nonlin - ear functions, u0 ( x ) and, u1 ( x ) are given initial functions. for this purpose, by green ' s function of a boundary value problem for a fourth order ordinary differential equation we first reduce the problem ( 1 ) - ( 3 ) to an equivalent intergral equation, then making use of the contraction mapping principle we prove the existence and uniqueness of the local classical solution for the intergral equation
本文分三章,第一章為引言;第二章研究一類非線性高階波動方程的初邊值問題的整體古典解的存在性和唯一性,以及古典解的爆破;第三章研究此方程的周期邊界問題和cauchy問題的整體廣義解和整體古典解的存在性和唯一性,具體情況如下:在第二章中,我們研究一類非線性高階波動方程的如下初邊值問題:或或其中a _ 1 , a _ 2 , a _ 3 0為常數, ( s ) , ( s _ 0 , s _ 1 , s _ 2 , s _ 3 , s _ 4 , )為已知的非線性函數, u _ 0 ( x ) , u _ 1 , ( x )為已知的初始函數,為此,我們先用四階常微分方程邊值問題的green函數把上述問題轉化為等價的積分方程,然後利用壓縮映射原理證明此積分方程局部古典解的存在性和唯一性,又用解的延拓法證明上述問題整體古典解的存在性和唯一性,主要結果有:定理1設u _ 0 ( x ) , u _ 1 ( x ) c ~ 4 [ 0 , 1 ]且滿足邊界條件( 2 ) ,若以下條件滿足:其中a , b月0為常數, wThose compressions algorithms are suited to implementation by hardware and have good realtime quality because they do n ' t have multiplication and division operation. those algorithms can achieve c ompression ration over 10 to 1 at the same time of keeping all the important detecting correlative data by using lossless method to compress important data and using lossy method to compress insignificant data
壓縮演算法中不使用乘除法運算,非常適合於硬體實現並具有很好的實時性;通過對重要數據和非重要數據分別進行無損壓縮和有損壓縮,演算法在保留所有檢測相關數據的基礎上可以達到10 : 1以上的壓縮比。The self - weight of soil is an important factor affecting consolidation, and once it is taken into consideration, the consolidation becomes quicker and final settlement becomes larger. rheological property of soft soil contributes to delaying consolidation. the influences such as nonlinear variations of compressibility and permeability, rheological and layered properties of soil, self - weight and time - dependent loading are interacted each other and very complicated, and only they are all taken into consideration, can the consolidation behavior of soft soils be actually revealed
研究表明:大、小應變固結理論的差異隨土壓縮性或荷載的增大而越趨明顯;土體自重是影響固結的一個重要因素,考慮自重要比不考慮自重固結快、最終沉降大;土的流變性增大將最終遲滯軟土地基的固結;土的壓縮性和滲透性的非線性變化、土的流變性、成層性、自重及變荷載等因素對固結的影響相互交織,錯綜復雜,在固結分析中對之綜合加以考慮,才能真實反映軟土的固結性狀。Discrete cosine transform ( dct ) is one of common transform encoding technique in common use of image compression. because such advantages as relatively matured theory, arithmetic and hardware ; ease to move relativity ; fit human vision system ; less calculation ( not include plural calculation ) : ease to realize and so on, dct compression is widely used
離散餘弦變換( dct )是圖像壓縮中經常用到的正交變換編碼技術,由於理論、演算法和硬體相對成熟,去相關性好,適應人眼的視覺特性,計算量不大(沒有復數計算) ,易於實現等優點, dct壓縮編碼的應用非常廣泛。All the results of axial and radial deformation measurement by digital image processing technique and those by traditional method are compared. the differences of the soil parameters on duncan and chang ' s nonlinear model made by these two methods are analyzed. finally, a compress test results and fem results are provided to show the reasonability and veracity of digital image processing technique to study the soil stress - strain characteristic in triaxial test
( 2 )三軸試驗土樣局部變形研究:首先定量比較了三軸試樣沿高度方向不同位置的局部變形(局部徑向變形與局部軸向變形)大小,分析了三軸試樣局部變形的特點和影響因素;然後把三軸試樣數字圖像測量結果與傳統測量結果進行比較,以鄧肯張非線性模型為例進行了模型參數的整理,分析了兩種不問測量方法引起的參數差異:最後用原型壓縮試驗對比有限元數值計算結果,驗證了數字圖像測量方法得到的三軸試驗土體應力應變參數的合理性和準確性。Video data will be compressed using motion picture compression technology before they are stored. comparing with the traditional recorder which uses magnetic tape as the storage device, this design is smaller in size and steadier
該系統由以高速dsp為核心處理器,採用電擦寫非易失性存儲器( flashmemory )為記錄體,使用先進的運動圖像壓縮技術完成視頻數據的記錄工作。Main propulsion equipments have been gradually improved. in addition, some additional systems are provided, such as the power station, deck machinery, refrigeration and air condition plant, freshwater generators, drinking water system, steam generating system, ballast and bilge system, and fire fighting system. the management of ship ' s power plant is also known as the engineering management, which is supervised and controlled by the engine department under the direction of the company ' s engine technology management department of the headquarters. owing to the complexity of power plant, the changeability of navigational conditions, and the seriousness of accident ' s consequences, it is essential to explore how to manage the power plant economically and reduce the occurrence of troubles so as to raise the shipping efficiency
隨著科學技術的發展,不僅推進設備逐步得到完善,而且還增設了諸如船舶電站、起貨機械、冷藏和空調裝置、制淡水裝置以及飲水、蒸汽、壓縮空氣、壓載、艙底、消防等系統。船舶動力裝置的管理即輪機的管理,是在船公司機務部門指導下由船上輪機部具體負責實施。因為船舶動力裝置的復雜性、船舶航行條件的多變性、發生事故後果的嚴重性,所以探討如何對輪機進行經濟性管理,減少故障,從而提高船舶的營運效率非常重要。First the companding function that can realize optimum table spacing is derived, and a new nonlinear indexing method based on lut technique is putting forward. the advantage of this new indexing method is studied and the practical implementation is present. at last an improved adaptive scheme of the new method is considered
首先理論推導了實現表項最優分佈的壓縮函數,然後提出了一種非線性表項索引技術?查找表索引技術,分析了該技術的特點並給出了具體實現方式,最後還提出了自適應改進方案。But it is difficult to obtain satisfied performance of the system because of the compressibility of air and the nonliearity of the system
但是由於氣體的壓縮性、系統的非線性等因素的影響,使得氣動比例位置控制系統難以獲得滿意的性能。Nonlinear dynamic analysis of high arch dams is carried out considering the opening of joints and the effect of traveling wave with engineering background of xi luodu arch dam whose height is 278 metel based on the theory of interaction of fluid - solid, the coupled fem equation considering compressible water is deduced
以高278m的溪落渡拱壩為工程背景,進行了考慮橫縫張開、行波效應等復雜因素的非線性動力分析。基於流固耦合理論,推導了可壓縮水體的耦合有限元方程。分享友人