profile curve 中文意思是什麼

profile curve 解釋
輪廓曲線;剖面曲線
  • profile : n 1 剖面,半面,(雕像等的)側面;側面像。2 外形,輪廓;外觀,形象;型;【航空】翼型,翼(剖)面...
  • curve : n 1 曲線;彎曲;彎曲物。2 曲線規 (=French curve);【機械工程】曲線板;【棒球】曲線球;【統計學...
  1. Let's now examine the simplest wave form where the profile is a sine or cosine curve.

    現在讓我們來考察最簡單的波形,它的剖面圖是正弦或餘弦曲線。
  2. We presented a novel method of searching for similar fragments of 3d curves, with this method, a hash vector is associated with each fixed - length fragments of 3d sherd. each vector consists of low frequence component of fourier - like spectrum for the distance between profile curve and the centroid

    討論了基於hash矢量和fourier變換的輪廓曲線匹配方法,在匹配中不要求一段輪廓線與另外一段輪廓線完全匹配,而是把它們分成很多子段,再用這些子段來進行匹配。
  3. Established the system of coordinates of roll testing, getting the parameters of equation of tooth face by solving the non - linear equations set ; according to the differential geometry and meshing principle, deduce the curvature parameters of tooth face and tooth profile, and get the parameters of instantaneous contact ellipse. emulate the contact trace and contact area of the working tooth face, and drawing the instantaneous drive ratio error curve

    建立了克林貝格擺線齒錐齒輪嚙合分析的對滾模型,通過對非線性方程組的迭代求解,得到齒面方程的各個參數;由微分幾何和切齒嚙合原理推導了齒面上齒廓和齒線方向的曲率參數,得到了瞬時接觸橢圓的參數。根據設計參數和機床調整參數繪制了工作齒面的接觸軌跡和接觸區圖形,並求得了瞬時傳動比的誤差曲線。
  4. Application of enveloping curve of circular arcs in design of roots rotor profile

    圓弧包絡線在羅茨轉子型線設計中的應用
  5. Therefore, under the certain condition of the profile of open channel, the size of long and narrow plate and installation, the flux can be achieved from the equal flux curve if the opening angle of the plate and water depth in front of the plate are accurately determined

    在確定渠斷面、細長板尺寸以及安裝布置條件下,只要準確測得細長板開啟角與板前水深,便可利用等流量線圖得知此時的流量。
  6. In order to effectively determine the position and distribution of porosities in laser welding sampes with complex structure, a preliminary research was proceeded on the distribtion features of porosities and a formula which can calculate the buried depth of porosities was deduced based on the line profile distribution curve of the flaw position

    為了確定復雜結構激光焊件焊縫中氣孔缺陷的位置和分佈,對氣孔缺陷的分佈特徵進行了研究,推導出氣孔缺陷埋藏深度的計算公式,設計了峰值異常缺陷和斜凹型異常缺陷投影距離自動提取演算法,確定了缺陷在鈦合金激光焊件中的分佈特徵,並通過模擬試件的破壞性試驗對該公式進行了驗證。
  7. Since linear acceleration and deceleration make motor abruptly stop and start that create the sharp corners of the velocity profile, s - curve motion profile refers to solving the problems

    針對線性加減速控制策略會引起速度突變,造成沖擊的問題,本課題還研究了s型加減速控制策略。
  8. The contacting measurement method with a double probe is put forward after the detailed analysis of the state - of - the - art measuring methods of the thickness of wall. firstly, the theory - profile generatrix is built, and then the movement curve of the track of joint center is constructed, which aims at making the joint center move along the movement curve and keep the fixed sensor touching the wall. the measuring sensor examines the line in its normal direction of the interior wall all the time, the data from the sensor is the thickness value of the wall

    論文通過分析國內外變曲率回轉體壁厚測量的現狀,提出了雙測頭接觸式測量方案:通過構造理論輪廓母線,建立鉸鏈中心的運動曲線,使鉸鏈中心始終沿運動曲線運動,以保證固定觸頭與傳感器測頭的連線始終在內壁法線方向上,從而傳感器測頭所得的數值即為壁厚值,該方案經模擬測試實驗取得了預期效果。
  9. Data processing is performed by pc , which includes detecting rough error by quartile method base on first order differential, adopting three points algorithm to eliminate deviations of rack displacement and installation, applying minimum containing area method to evaluate the sectional plane radius of roller and realizing it by genetic algorithm, adopting akima method to fit curve of roll profile

    主要的數據處理工作在上位機進行,採用基於差分法的分位數演算法剔除粗大誤差;採用三點式測量原理消除探頭的安裝及運動所產生的誤差;採用最小包容區域法評定軋輥半徑,並應用遺傳演算法實現最小包容區域法的尋優計算;採用阿克瑪插值方法進行輥型的曲線擬合。
  10. This method uses the law of conservation of energy, adopts the method of sectioning and the cam profile is designed according to the outputted speed curve

    該方法應用能量守恆定律,採用分段的方法,按輸出的速度曲線設計凸輪廓線。
  11. This paper develops a mathematical model for the solution to the longitudinal tooth curve of an internal gear shaver based on the simplified principle for space transmission of a helical gear pair without flank clearance, and proposes a calculating approach of the profile modification of the grinding wheel to be used for grinding the longitudinal tooth curve of the shaver

    摘要用簡化的空間螺旋齒輪作無側隙嚙合傳動的原理,建立了求解內剃齒刀齒向曲線的數學模型,並給出了修磨這種齒向曲線的盤形砂輪的廓形計算方法。
  12. The curve of index profile of planar waveguide was drawn by wkb method. the near field figure of channel waveguide at

    並測試了632 . 8nm波長的激光通過溝道波導后的近場圖。
  13. According to the tappet displacement curve, the design of cam profile can be carried out by " reversal method " theory

    根據得到的挺柱升程曲線,利用「反轉法」的原理進行凸輪輪廓曲線的設計。
  14. The paper ' s design mainly includes two parts. fist part is the tappet displacement curve ' s design, and many dynamics calculation has to be done based on the dynamic design. second part is to design cam profile curve

    本文的設計主要包括兩大部分,第一部分為挺柱升程曲線的設計,按照動態設計要進行大量的動力學計算,第二部分是凸輪輪廓曲線的設計。
  15. While according to dynamics correction method, the valve displacement curve has to be design, which can be acquired by boundary condition and calculation method. then by dynamics analysis, the tappet displacement curve equation can be obtained based on the dynamics differential equation. thus, the design of cam profile can be carried out based on the tappet displacement curve equation

    按照動態設計的動力學修正方法進行設計時,又得先進行氣門升程曲線的設計,利用一定的邊界條件和計算方法得到氣門確定的運動規律,再通過動力學分析,根據建立的動力學微分方程,經過計算得到挺柱的升程曲線方程,至此,就可以根據挺柱的升程曲線進行凸輪輪廓曲線的設計。
  16. This measuring system applies linear laser. the laser bean is projected onto the surface of the wheel profile. the laser light plane and the wheel profile intersect to form a profile curve, which shows the shape of wheel trackside

    本課題研製的測量系統採用線激光投射到車輪踏面輪廓上,通過左、右ccd攝像機系統的拍攝和圖象採集得到車輪輪廓的激光曲線圖。
  17. Take the core part in the design of double cycloidal steel ball reducer - the parametric equation of tooth profile curve of cycloidal groove - as the mainline ; an analysis has been carried out on the main designing parameters of tooth profile curve of this novel reducer and the selection principle of each parameter in the design of this kind of reducer was obtained

    摘要以雙擺線鋼球減速器設計中的核心部分擺線槽齒廓曲線的參數方程為主線,對這一新型減速器齒廊曲線的主要設計參數進行了分析,得出了各參數在這種減速器設計中的選擇原則。
  18. This paper aims at the shortages, which are too much information, too long - processing time, low precision, needing checking and revising, of stl form file in the front processing of laser rapid prototyping, it puts forward a method of 3 - d cad model direct slicing, and it will process section profile curve that direct slicing produces so that this section profile curve will be used in sequent numerical controlling machine tool. direct slicing on the model can reduce data - processing time and file dimension, advance precision of work pieces

    本文針對快速成形前處理過程中使用的stl ( stereolithography )格式文件的信息冗餘量大,數據處理時間長,精度差,需要檢查和修改等缺點,提出了對三維cad模型直接切片的方法,並對直接切片獲得的截面輪廓線進行了處理使之能夠被后續的工控機所使用,通過對模型的直接切片,能減少數據處理時間,降低文件規模,提高工件精度。
  19. In the last part of the article applications of space cubic ph to sweep surface modeling and pipe surface modeling are introduced, and sufficient criteria that guarantee that the offset of a sweeping surface are generated by the offset curves of the profile curve is investigated

    最後,本文介紹了空間三次ph曲線在掃曲面和管道面造型方面的應用,並研究了一掃曲面的等距面為該掃曲面輪廓線的等距線所生成的充分條件。
  20. The design of valve cam is mainly to design cam profile curve and is carried out in " dynamics correction method " in this paper

    配氣凸輪的設計主要就是設計凸輪廓形,本文選用「動力學修正法」進行設計。
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