虛描線 的英文怎麼說

中文拼音 [xūmiáoxiàn]
虛描線 英文
inactive line
  • 虛 : Ⅰ名詞1 （空虛） void; emptiness 2 （政治思想等方面的道理） guiding principles; theory 3 （二十八...
  • 描 : 動詞1. （照底樣畫） copy; depict; trace 2. （在原來顏色淡或需改正之處重復塗抹） retouch; touch up
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  1. This paper first begin with the connotation of virtual instrument technology, study and discuss the criterion and the working theory of usb deeply. on the principle of usb1. 1criterion, using usb interface chip usbn9604 and low consumption mirochip c8051f231, we designed the available interface of usb bus and its controlling software, turn the communicating function based usb bus between computer and testing device. second based on the developed interface of usb bus, using microchip pic16c62 and a mount of relays, we designed the multiswitching scanner and its controlling software to complete the funtion of accesses swithing in testing system. third calling the api function inside the windows using vb programming language, communicat with the impelling program of selected hid, achieve the function of testing instrument with usb interface, complete the development of upside software faced testing. at last, based on the deep studying of pcb testing method, used the developed multiswithing scanner and software faced testing, combinated with necessary testing instrument, we constructed the pcb testing system and analized the testing result simply

    論文首先從虛擬儀器的技術內涵出發，深入研究和討論了通用串列總線usb規范及工作原理，並依據usb1 . 1規范，採用usb介面晶元usbn9604和低功耗微處理器c8051f231設計開發了通用的usb總線介面及其控制固件，實現了通用計算機與測試設備之間基於usb總線的通信功能；其次，在所開發的usb總線介面的基礎上，使用微處理器pic16c62和多路繼電器開關，設計開發出實現測試系統中測試通道切換功能的多路通道掃描器及其控制固件；再次，採用vb語言編程，調用windows內部api函數，與選定hid類驅動程序進行通信，實現usb總線介面測試儀器功能，完成面向測試的上層軟體開發；最後，在深入研究印刷電路板測試方法的基礎上，利用已開發的多路通道掃描器和面向測試軟體，結合必要測試儀器組建印刷電路板測試系統，並對測試結果進行了簡要的誤差分析。
  2. This article is divided into four parts : part one emphasizes the common theory that corporate governance structure figures out the agent problems caused by the separation of ownership and control power, and sets forth correlative research done by domestic and foreign scholars from the relationship between centralization degree of ownership and performance, the relationship between incentive of senior managers and performance, and the relationship between board and performance. and puts forward some deficiencies in domestic research, for example, the select of performance is bald ; most research methods are cross section analysis, there is little research basing on both time serial and cross section datum ; and there is little research have the inside and outside corporate governance factors in the selection of corporate governance structure indexes

    描述性分析介紹了我國上市公司治理結構的現狀;通過公司治理變量的線性組合，採用主元分析法來構造反映公司治理水平的指標z ，並由此z指標回歸經營績效指標得出公司經營績效與公司治理的整體效果有相同方向變化的結論;變量之間的相關關系揭示了這些變量之間關系的合理信息;面板數據結果顯示:第一大股東持股比例、國有控股虛擬變量與經營績效負相關;第二至第十大股東股權集中度、董事會持股比例和總經理持股比例與經營績效正相關。
  3. Describes how to draw a dashed line

    描述如何繪制虛線。
  4. The bouc - wen differential equation model is used in modeling the hysteretic characteristics of these components. the pem ( pseudo excitation method ) combined with the elm ( equivalent linearization method ) is used to analyze the non - linear random vibration of such structures

    採用bouc - wen等提出的微分方程模型描述進入非線性構件的滯變特性，運用虛擬激勵法結合等效線性化進行結構非線性隨機振動分析。
  5. Multi - media shows of self - propelled gun are accomplished including curve simulation, texturing, lighting technology voice effect, flame effect, etc. vii ) distr ibuted real - time dynamics simulation system for virtual self - propelled gun, which is a solid basis for virtual - reality gun, is set up through lan, based on tcp / ip protocol, opengl, client / server, object oriented, etc

    在3dmax開發環境中，利用紋理、光照等技術進行了自行火炮的真實感建模，通過曲線擬合，模擬火炮各個部件在發射過程中的運動規律，並結合聲音和炮口火焰效果，實現了自行火炮發射動力學的多媒體描述。 7 、基於tcp ip協議、 opengl 、 client server 、面向對象等技術，在lan平臺上建立了火炮發射動力學分散式實時模擬系統，為研究虛擬火炮打下了堅實基礎。
  6. Nevertheless, here was a virtual world that was not a simplistic artistic representation of the real world but rather an authentic measurement - based rendition of it

    然而，這個虛擬世界已不再用簡單線條描繪真實世界，而是一種毫釐不差的重現。
  7. Phased - array radiation lobe is superposed by isometric array element with constant amplitude. using the concept of real and imaginary space, the scanning lobe is researched

    通過「實虛空間」的概念，分析了掃描中的陣列波瓣，總結給出相控陣天線的方向性系數。
  8. After the orderly reduction methods of massive scattered data being studied, this paper proposes a partial tangent plane slicing method and a virtual second - scan line method after giving a new k - nearest algorithm to re - organize the massive data. the new proposed methods of data reduction and grey theory based unusual noisy data process can be used to generate the scan line type data and it can be directly used to reconstruct curves and surfaces. the research lays a good foundation for reconstructing the cad model in a point - line - surface manner

    4 .深入研究了海量散亂數據的有序簡化技術，在提出建立海量數據點鄰接關系k -鄰近新的演算法基礎上，提出了局部切平面切片法和虛擬二次掃描線法，實現了海量數據的有序重組，通過基於灰理論的數據簡化和異常點處理新方法，生成可用於直接重構曲線曲面的掃描線類型數據，為以點?線?面方式重構cad模型打下了良好的基礎。
  9. The black thick lines with wind barbs indicate the location of jet streams and their maximum speeds, while the dash lines outline possible cat areas

    圖中有風羽的黑色粗線顯示高空急流的位置及最大風速，而虛線則描繪出有可能出現晴空湍流的區域。
  10. In the software design part, the image encoding is realized with huffman encoding on the bubbling up sorting method for 256 gray - color values. the result of the encoding and encoding efficiency are displayed in the list box. in the hardware design part, on the basis of the characteristic and development of the embedded system hardware, the code joint is realized with the fpga and vhdl

    在紅外虛擬鍵盤的軟體實現部分，採用哈夫曼（ huffman ）編碼的方法實現了圖像編碼，利用冒泡法對256個灰度值進行排序，最後將編碼結果以及編碼效率等以列表框的形式顯示；在硬體設計部分，基於目前嵌入式系統硬體的特點及發展，採用可在線修改的現場可編程門陣列fpga （ fieldprogrammablegatesarray ）技術以及高速集成電路硬體描述語言vhdl （ veryhighspeedintegratedcircuitshardwaredescriptionlanguage ）等方法實現圖像處理中的碼字拼接功能。
  11. First, suppose a source point and a sink point. second, draw a unilateral line from source point to every substation node. the line ' s capacity is set as corresponding substation ' s allowable load value and the line cost is set as the substation ' s unit load cost

    本文通過線性化處理后將網架優化模型描述為一個最小費用最大流問題，虛擬一個源點和一個匯點，從源點到各變電站節點各引一條單向弧，弧容量為變電站允許的負荷值，弧費用為變電站單位負荷的費用。
  12. This tool is useful for finding which channels are being utilized on your network, or to see if a rogue ap has been setup on an unauthorized channel

    無線通道掃描監視器按照無線網路中的通道顯示其活動。此工具對于查找網路中正被利用的通道或查看虛假
  13. As a part of the civil 863 plans, two multiple - contact models for two kinds of braking system are built in the paper, in which contact fields are described as coons surfaces, initial velocity is programmed in fortran. the thermal - mechanical coupling braking processes are simulated for the first time by msc. marc, the general - used nonlinear fem software. time distributions of the velocity, the stress and the temperature of the components under various initial velocity and brake force are obtained, which offer theoretic gist to study the life of the wheel, the disc and so on

    作為國家行業863重大課題《鐵路機車車輛虛擬樣機系統》的一部分，本文在研究接觸問題和熱?機耦合問題數值方法的基礎上，採用國際上通用的非線性有限元分析軟體msc . marc建立了踏面制動和盤形制動主要部件的多體接觸計算模型，其中用解析方法描述，即用nurb曲線、高斯曲面來描述接觸區域，用fortran語言編寫定義初速度的用戶子程序，首次對兩種制動過程熱?機耦合進行了數值模擬，定量給出了主要制動部件在不同初速度、不同制動力下各個時刻的速度、應力和溫度的變化規律，為研究車輪、閘瓦以及制動盤壽命提供了理論依據。
  14. 2 ) for making the meshes consistent on the common boundaries of adjoining surfaces, a new approach of boundary discretization is employed. 3 ) the boundary - representation structure is adopted to fulfill the mesh generation over combined surfaces. 4 ) the quality of surface meshes is improved by point creation on 3d scan lines and diagonal swapping procedure

    通過引入可移動的虛邊界解決了閉合曲面的剖分問題；通過對鄰接曲面公共邊界的統一處理，保證了組合曲面拼合處網格的相容性；以邊界表示數據結構為基礎實現了三維組合曲面的全自動網格剖分；採用空間掃描線布點、診斷交換等技術，優化了網格的質量；並以autocad為支撐平臺objectarx為開發工具，開發了一個基於幾何造型的曲面三角形網格全自動生成程序。
  15. The advantages, such as easily computing form - lines and accurately lofting, are offered by mathematical ship - hull surface. hull structure modeling, engineering analyzing and manufacturing are based on mathematical ship - hull surface. furthermore, hull structure designing in virtual reality environment and intelligent building depend heavily on the ship - hull surface model

    船體曲面的數學描述有著很大的優越性，如放樣精確，求值（型線、肋骨線、結構線、接縫線等）方便，也是後面船體結構設計，工程分析，建造的依據，是實現智能設計、虛擬建造的先決條件。
  16. A new fisheye image edge extraction algorithm was proposed based on its round valid area ; the overlap area of images to be mosaicked was determinated according to the minimum brightness difference in this area, and thus the fisheye images mosaics were accomplished after images fusion ; finally, the virtual navigation was accomplished through color information extraction form fisheye images directly

    摘要根據魚眼圖像的有效區域為圓形，提出了掃描線逼近的輪廓提取演算法，基於圖像重疊部分亮度差最小的原理，確定了重疊區域，通過對重疊區域進行融合處理實現了魚眼圖像的縫合，最後直接從魚眼圖像上提取顏色信息，重新采樣圖像數據，實現了基於魚眼圖像的虛擬漫遊。
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