直線時基 的英文怎麼說
中文拼音 [zhíxiànshíjī]
直線時基
英文
linear time base-
With methyl methacrylate the particle diameter increases linearly with conversion indicating particle aggregation.
採用甲基丙烯酸甲酯時，粒子直徑隨轉化率呈直線增大，這就表明粒子發生了聚集。Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment
在windowsnt系統環境和labview虛擬儀器技術開發平臺下，首次利用labview中的直線擬合模塊、指數擬合模塊以及多項式擬合模塊，設計了一種對實驗所得數據進行曲線擬合的方法，對三種擬合方法進行了比較，曲線擬合結果表明，多項式擬合方法相對于其它兩種擬合方法效果更好；根據曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時機械振動形成的等效輸入阻抗，並由此輸入阻抗確定了磁致伸縮換能器的諧振頻率及其電氣模擬網路參數；最後通過labview提供的網路功能，實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器測試系統，並探討了通過datasocket技術實現該系統網路化的方案。For inoculation of an agar deep tube, a straight needle is inserted to the bottom of the tube in a straight line and rapidly withdrawn along the line of insertion
在接種試管深層培養基時，一支直的接菌針直線地穿刺到試管的底部，同時快速地沿著接種線抽出。The study shows that the most likely sliding path is located shallowly under the rock bed and the sliding path runs close to a line from tensile area at dam heel to dam toe. staircase sliding paths buried less than 14 meters bellow dam heel are also dangerous, but they are not the most dominant
研究表明，最危險滑移路徑處于壩基面以下淺層，滑移通道為從上游壩踵拉裂區沿近直線方式向下游壩趾滑出；正常蓄水位時， 9b 、 4b壩段最危險滑移路徑安全系數分別為k _ s = 4 . 15 、 3 . 05 。As the time trend function represent the impact of economic development on consumption, in the paper the semi - parametric model with deterministic time trend function is firstly used to make empirical study for cointegration test between actual consume and income per capita of chinese urban residents from 1978 to 2005, and the results show that there do exists cointegration between consume and income with income having important effects on consume, while the time trend form is not as what we usually suppose
摘要由於確定性時間趨勢項代表了經濟發展等的因素對消費的影響，故本文首次基於帶有非參數時間趨勢項的半參數模型對我國1978 ~ 2005年的消費收入進行了協整檢驗，實證結果表明：轉軌時期我國城鎮居民人均收入與消費之間存在著長期均衡關系，收入是消費的一個重要決定因素；同時趨勢項的影響也並不是如很多文章描述的那樣具有直線形式。When the breeze came skimming the earth the sledge seemed to be lifted off the ground by its sails. mudge, who was at the rudder, kept in a straight line, and by a turn of his hand checked the lurches which the vehicle had a tendency to make
當寒風吹過大地時，雪橇被那兩只象巨翼一樣的白帆載著，就象是離開了地面騰空飛行，麥基緊握著舵把，保持著直線前進。To get the evaluating result, a recognition quality evaluator for straight lines based on artificial neural networks has been designed. after training the neural network can work well and output the quality evaluating results. furthermore, this proposed evaluating approach is not sensitive to scanning image resolution
本文設計了一個基於人工神經網路的直線圖素識別質量評價器，網路經過訓練后可以取得類似人眼判斷的評判效果，由於各識別質量特徵因子在定義的時候一般都取的是和圖素線寬的相對比值，因此本文提出的方法對于掃描工程圖的解析度的影響不敏感。Based on in - depth analysis on characteristic and function principles of psd, combined with characteristic of measured object, this article presents an new real - time measurement for symmetrical degree, guiding - groove, twining angle, inside radius of long direction pipe ; completes designing work for hardware of function module and application software ; and gives analysis and computation on error sources and uncertain - degree of measure result. based on above work, this article develops a parameter - auto - chosen, integrated and automatic measurement device for beeline degree, guiding - groove symmetrical degree, twining angle and inside radius of long direction pipe
本文在深入分析研究psd的特點和工作原理的基礎上，結合被測量對象的特點，首次提出了長定向管導槽對稱度、纏角、內徑等實時自動化測量的一種新方法；完成了硬體功能模塊及應用軟體的設計工作；並對測量結果的誤差源及不確定度進行了分析和計算；在此基礎上研製了長定向管的直線度、導槽對稱度、纏角及內徑等參數自動、實時綜合測量設備。Second, the bar of the frequency - distribution and the curve of lorenz and the g coefficient are talked about the spatial distribution of day to day precipitation. the results show that the heterogeneous of day precipitation is strong on every day in a year. the spatial distribution model is left skew all in four seasons and it is different from the monthly precipitation
其次利用全國700個測站逐日降水資料的空間分佈頻數直方圖及洛倫茲曲線和基尼系數闡述了我國逐日（ 24小時）降水非均勻性的事實，直方圖顯示全國范圍內逐日降水的水平空間分佈型在四季都是一種明顯左偏態型，與月降水量的水平空間分佈型略有不同；基尼系數值的月際變化也與月降水量的變化相反。As soon as the normal section cracks, the crack firstly appears in the flexural region. at this moment, the load - deflection curve has a turning point. with the increase of the load, the rigidity of the beam decreases compared with that before cracking because of the development of cracks in flexural region, and the formation and development of diagonal cracks toward the loading point, the load - deflection curve is basically linear till the beam fails
正截面開裂前，荷載撓度曲線基本為線性，截面剛度較大；正截面開裂時，裂縫先在純彎段出現，荷載撓度曲線出現轉折點，隨著荷載的增加，純彎段正裂縫的發展以及剪跨段斜裂縫的產生並向梁的受壓區加荷點發展，使梁的剛度較截面開裂前減少，荷載撓度曲線也基本為線性直到梁破壞。The improper excavating will bear capacity, water permeability, natural structure and geological structure worsenning the base rock of foundation., this ca n ' t be allowed to the water conservancy project building, especially to block water building. lt will not only increase the expenses happened of the remedy measure, but also lengthen building straight line time limit for a project of construction
開挖不當將降低基巖的承載能力、增大基礎的透水性、惡化基巖的天然結構和地質構造，這對於水工建築物，特別是擋水建築物是不能允許的，同時將會增加採取補救處理措施所發生的費用，延長建築物施工直線工期。But all designed software before in our country still have some weakness, for example, the conventional type of cam counld be projected by these software is very little, and used approximation by lines to curves of cam which have bigger error and more nodal points that result in chattering of principal axis. in furthermore, this software of designing cam in fact only has the function of cad. if you want to simulate and work over the designed cam in that software, you will find that you have to export it to other cad / cam system software ( e
隨著數控加工在我國的深入開展，真正實現我國的凸輪cad cam就顯得非常必要，但以往的凸輪設計軟體還存在許多不足，如可設計的凸輪類型較少，大多集中於平面凸輪；且採用誤差較大、節點數過密的直線逼近法生成凸輪工作曲線，造成計算時間長，且加工中產生較大振動；同時這些凸輪設計軟體基本上只具有cad功能，如果想將設計好的凸輪進行模擬和加工，就必須將圖形輸出到其它通用cad cam軟體（如mastercam等）中，因此這些軟體在實際應用中總不盡人意。By describing orbit curves with abundant forms with the basic orbits such as line, arc, cusp and " 8 " form, identification of orbit characteristics can be well solved and fundamental characteristic parameters of key orbit segments can be determined
通過直線、圓弧、尖點、 " 8 "字形等基本軌跡特徵描述形狀豐富的軌跡曲線，不僅較好地解決了軌跡特徵識別問題，同時可以確定關鍵軌跡段的基本特徵參數。First, the basic raster graphics algorithms for drawing 2d primitives are introduced, including edge coherence and the scan - line algorithm of triangle, brush algorithm of thick line ( and its improved method ) and midpoint circle and ellipse algorithm ; and the current situation of the advanced algorithms is also involved. second, the mapping of high level programming language to hardware description language is described, some principles of the conversion of algorithm to state machine are proposed also ; then, the implementation of basic graphics in hardware is discussed in detail, the state machines are drawn in the paper, and the interfaces of hardware are defined, block diagrams too, and the advanced algorithm of conic is proved ; finally, some issues about test are described, the results of simulation and synthesis are given in the last, and some detailed data are displayed in the appendix
首先介紹了現有的基本圖形生成演算法，包括三角形邊相關掃描演算法，寬直線的線刷子演算法及其改進和圓形、橢圓的生成演算法，同時介紹了加速演算法的研究現狀；然後，討論了高級語言描述到硬體描述語言的映射，提出了演算法到狀態機抽象的規律；接著具體討論了基本圖形的硬體實現，給出了各演算法的狀態機圖，介面定義和實現框架，並且從理論角度給出了二次曲線加速演算法的證明：最後採用軟體工具進行測試驗證，給出了模擬、綜合實現的結果，並在附錄中有詳細的實驗結果數據。The main work of the thesis is as follows : we design a novel omni - mirror more applicable in robocup, which is made up of an isomeric horizontal mirror and an isomeric vertical mirror and can make the resolution of the imaging of the objects near the robot on the field constant and make the distortion of the imaging of the objects far from the robot small in vertical direction ; we select a 1394 digital color camera and complete the development of its software program for data acquisition ; we design a image processing algorithm for the panoramic image, which can segment the image by color, extract the features of image fast and effectively and complete the recognization of target ; according the character of the imaging, we design a new fast hough transform algorithm for line detection, which can detect the white mark lines of the field realtimely, and then design a robot ’ s self - localization method based the mark lines, which only uses the information of omni - vision system ; finally we design a monte carlo localization method based on the information of omni - vision system and odometry, and present the localization results of two localization methods and analyze the experiment results and get the conclusions
本論文的主要工作如下:設計了一種新的更適用於機器人足球賽的全向反射鏡面，該鏡面由水平等比鏡面和垂直等比鏡面組合而成，能夠使機器人近處一定范圍內水平場地上的物體成像解析度不變，遠處物體成像高度上變形較小;選擇了一款基於1394介面的數字攝像機，並完成其數據採集程序開發;針對全景圖像設計了圖像處理演算法，能夠快速有效的實現圖像顏色分割和圖像特徵提取，完成目標識別;根據全景圖像的成像特性，設計了一種新的用於直線檢測的快速hough變換演算法，能夠實時的提取出場地的白色標志線，並在此基礎上設計了完全利用全向視覺信息的基於標志線的機器人自定位方法;最後設計了一種基於全向視覺信息和里程計信息的montecarlo定位方法，給出兩種方法的定位結果，並分析實驗結果，給出結論。When connecting level lines, we use the minimum energy as the optimization standard. on the basis of it, we use geodesic curve as level lines to connect the matched - up t junctions. meanwhile we also use meaningful beeline detecting methods to deal with unexpected condition in processing the frontier of occlusion
在連接水平線時，我們用到了能量最小作為優化標準，在此基礎上我們用測地線作為水平線來連接兩兩匹配的t結構，同時，我們還用了meaningful直線探測技術來處理遮擋區域邊界的異常情況。The yankees, who finished their slaughter of boston with a 2 - 1 tap dance on the red sox grave monday, have taken their tried - and - true formula of grinding out at - bats and forcing opposing pitchers into high pitch counts and they ' ve turbo - charged it this year
說到那個洋基隊，靠著他們在打擊的時候「研磨」對方的投手，讓他們的投球數直線竄升的舊步數，星期一才剛剛在紅襪的墓地上以2 - 1的踢踏舞步完成了波士頓大屠殺。The contributions of this dissertation is listed below. aiming at existing defects of traditional beeline detection by hough transformation ( ht ) arithmetic, such as large storage space consuming, imprecise beeline detection effect and information loss of image feature pixels etc, we suggest two new beeline detection methods. ( 1 ) based on infinite symmetry exponential filter and its recursion arithmetic, new beeline detection methods can get exact direction of image edge pixels in advance, so it reduces highly the calculation quantity of the conventional ht, and improves the speed and the precision of beeline detection greatly
本論文的主要研究成果列舉如下：針對傳統直線檢測霍夫變換（ houghtransform ， ht ）所存在的參數空間存儲量大，直線檢測不精確以及圖像特徵點信息丟失等缺點，提出兩種新的直線段檢測演算法： （ 1 ）提出一種基於無限對稱指數濾波的ht直線段檢測演算法，在進行邊緣檢測的同時，提前精確定位邊緣點的方向，減少了ht的運算量，提高了運算速度和檢測精度，而且整體演算法便於硬體的并行執行，使得實時處理成為可能。The mechanism is based on the 4 - axis rectangular coordinate system. the driven mode of x - axis is proportional pneumatic - servo control system ; y - axis is driven by a digital ac servomotor ; z - axis is driven by a linear cylinder ; the driven mode of the axis of r is same to that of y - axis
X軸採用基於比例伺服技術的氣動驅動； y軸採用全數字交流電機伺服驅動； z軸則採用直線氣缸驅動；而r軸採用與y軸相同的驅動方式，同時其前端安裝了真空吸盤，用於抓取工件。According to the presented sensor array form, the corresponding mathematical mode1 is established, and factors which influence tde accuracy have been analyzed in detail. the influence of tde accuracy to the estimation of tafget distance and bearings estimation is discussed also. meanwhile, the limitation of passive tracking methods and the difference between passive positioning and passive tracldng which based on three - element array are discussed
論文的主要研究工作有以下幾個方面： 1 ）針對三元直線陣的陣列形式，建立了相應的數學模型，對影響時延估計精度的因素進行了詳盡的分析和研究，討論了時延估計精度對目標距離和方位估計精度的影響，並討論了三基元被動定位的局限性以及被動定位和被動跟蹤的差別。分享友人