boundary point 中文意思是什麼
boundary point
解釋
邊界點-
Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box
綜合介紹了邊界元法在聲輻射問題上的理論及應用；並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法，並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序，並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據，實現聲音的可聽化，隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。 -
Now there was just one point on the boundary left to dispute.
邊界上有一點引起爭議。 -
Summarize the common image pre - processing methods and point out their merits and faults. discuss the boundary effect of gaussian low - pass filtering ( glpf ). to improve it, the zero - order gaussian filtering for an open profile ( gfo ) is used
討論了高斯低通濾波的邊界效應，利用零階開環高斯濾波演算法，對高斯低通濾波進行了改進，使濾波圖像在圖像大小不改變的情況下，邊緣處的濾波效果得到明顯的改善。 -
As the operating point crosses over the stability boundary, the chug amplitude disappears.
當工作點越過穩定性邊界時，低頻不穩定的振幅逐漸消失。 -
To alleviate the incessant growth of boundary - crossing traffic, a new control point, shenzhen bay port formerly known as hong kong - shenzhen western corridor is being built at shekou in shenzhen
為紓緩急劇增長的過境交通，本處現正在深圳蛇口興建一個新管制站-深圳灣口岸（前稱深港西部通道） 。 -
As the volume of sales is greater than the boundary point, the utilization of the period coat and the interest will increase the wavy degrees of business income
當銷售量大於分界點時，期間成本、債息的應用將增加企業收益的波動程度。 -
But as the volume of sales is less than the boundary point, the utilization of the period cost and the interest will reduce the wavy degrees of business income
但是當銷售量小於分界點時，期間成本、債息的應用將會降低企業收益的波動程度。 -
The influence of surveying distance error on the boundary point ' s accuracy
測距誤差對界址點精度的影響 -
3. the test study indicates that the load - deflection curves of frp reinforced concrete beams reinforced can be divided into two linear stages through the boundary point of initial cracking
試驗研究表明，纖維增強塑料筋混凝土受彎構件的荷載撓度曲線以截面初裂為界限點分為兩個線形階段。 -
On the standard and boundary point of historical phases of economic law of china
論中國經濟法學史分期標準和界點 -
Regular boundary point
正則邊界點 -
Exit boundary point
出口邊界點 -
A discussion on seeking the derivative of fragment function on the boundary point
關于分段函數分界點處求導的探討 -
In the process of adjusting computing program, the computation of air gap between stator and rotor is very important to overall performance of computing program. the algorithm of finding boundary point according to input logic data, including the outer boundary of rotor and the inner boundary of stator, is proposed to deal with the problem of mesh by the way of relative motion between stator and rotor
修改計算程序的過程中，對定、轉子氣隙部分的剖分及計算是關鍵部分，本文具體詳細地給出了定、轉子相對運動的實現方法中由邏輯數據確定用於形成運動邊界的邊界節點演算法，邊界節點指用於氣隙剖分的兩條邊界節點：轉子外邊界節點和定子內邊界節點。 -
The mechanical parameters of the near - boundary - point in multi - domain bems and contact bems are evaluated successfully by utilizing the regularization algorithm. thereafter, it makes that the application of boundary element methods in engineering is widened
本文運用幾乎奇異積分的正則化演算法，成功求解了多域邊界元法和接觸邊界元法中近邊界點的力學參量，進一步拓寬了邊界元法的應用范圍。 -
In order to detect the interested boundary fast and correctly, an boundary point tracking algorithm was proposed to detect the specifical edge of the image
摘要為了快速準確的檢測特定邊界，採用邊界點跟蹤演算法檢測特定輪廓邊界點。 -
Firstly, fourier descriptor used to describe the object ' s shape is introduced to the extraction of feature of apple ' s shape. the boundary of apple is an obturated curve, distance between boundary point and centroid r ( k ) " is used as a function to express the 2 - d boundary in spatial domain. the fourier transform coefficients of the discrete sequences f ( h ) are spectrum values in frequency domain, and they compose feature parameters of shape
首次將圖像分析理論中對形狀的傅立葉描述方法引入到對蘋果形狀的特徵提取中，果實邊界是一條封閉曲線，用邊界點到形心之間的距離長度r （ l ）作為空域中對二維曲線的表達函數，離散的函數值序列r （ k ） ~ l的離散傅立葉變換系數f （ h ）就是頻域中得到的頻譜值，可作為形狀的特徵參數。 -
At the basis of analyzing different boundary tracking algorithms, boundary point estimate algorithm based on angle and boundary point searching algorithm based on circumferential neighborhood extending were advanced to avoid tracking trap and to improve the robust of the boundary tracking algorithm
通過分析不同演算法的特點，提出了基於已知點夾角的邊界點預估計演算法和基於圓弧鄰域擴展的邊界點搜索演算法，以避免跟蹤進入搜索陷阱，提高邊界跟蹤對邊界變化的魯棒性。 -
A new kind of numerical method, the statistical distributed source boundary point method ( sdsbpm ), used to calculate the acoustic radiation problem caused by the random vibrating body is presented ; a test for the effectiveness of the sdsbpm is carried out on the aspects of its calculation precision, adaptation to the geometric shape of vibrating body as well as its ability to overcome the non - uniqueness problem through various examples with different boundary shapes and different boundary value distributions
第四章提出了一種新型的隨機振動聲輻射計算方法?統計分佈源邊界點方法；通過諸多不同邊界曲面和不同邊界量分佈的隨機振動聲輻射算例，從計算精度、對振動體表面幾何形狀的適應性以及克服解的非唯一性等方面，對統計分佈源邊界點方法的有效性進行了考證。 -
The formulation for the error analysis of acoustic radiation problem calculated by the boundary point method ( bpm ) is put forward ; the physical explanation of the boundary point analysis of the acoustic radiation problem is given ; the influence of the particular solution on the calculation stability of the bpm is studied ; the etthanced volume source boundary point method ( evsbpm ) is presented ; a test for the effectiveness of the evsbpm is carried out on the aspects of its calculation precision, calculation speed, calculation stability, adaptation to the geometric shape of vibrating body as well as its ability to overcome the non - uniqueness problem through various examples with different boundary shapes and different boundary value distributions
第三章導出了邊界點方法分析振動聲輻射問題的誤差估計理論公式，揭示了邊界點方法分析振動聲輻射問題的物理本質；研究了特解場的局部特性對邊界點方法的數值穩定性的影響；改進了現有的特解場構造方法，提出了改進體積源邊界點方法；通過諸多不同邊界曲面和不同邊界量分佈的聲輻射算例，從計算精度、計算速度、計算穩定性、對振動體表面幾何形狀的適應性以及克服解的非唯一性等方面，對改進體積源邊界點方法的有效性進行了考證。
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