section roll 中文意思是什麼
section roll
解釋
型材軋輥-
The third part is cutting pattern finding. in this section, the whole surface of membrane structures is divided into several membrane strips. then the strips are developed into plane to get the cutting pattern on the membrane roll
第三階段是裁剪設計階段，其目的是將已經通過荷載分析的三維膜曲面轉化成離散的平面膜片，在市售的薄膜卷材上進行下料分析，獲得可以施工的裁剪下料圖。 -
Fem simulation of roll extrusion forming process of square section tube
矩形管雙道次輥擠成型過程擠壓力公式的建立 -
The important roll that capital plays in the process of regional economy developing is also presented i. i this section
區域金融成長會加速區域經濟發展，金融壓抑會阻礙區域經濟的發展。 -
The monitoring system of remote electric quantity based on pstn obtains the electrical parameters of transformer by the data acquisition module, host computer dials every monitored station by roll polling. inferior processor transmits datas to the computer in superior monitoring center through pstn for storage and processing, to provide the analysis and statistics for the supervisor section. the system is simple and cheap, and it will have a good prospect of application in electrical system
基於pstn的遠程電量監控系統通過數據採集模塊對變壓器的電參數進行採集，主機通過「輪循」的方式，依次撥通每一個監測站點，下位機將檢測到的數據通過pstn公用電話網送到上層監控中心的計算機系統進行存儲和處理，以提供主管部門的分析和統計之用。 -
A time - frequency analysis method is presented to solve paper machine press section bearing vibration signals of unstable and complication, applying wavelet function to the unstable signals for faulty bearing according to paper machine press section roll bearing characteristic, and process the vibration signals by means of decomposition and reconstruction, obtaining the vibration signals in different frequency bands, the statistic in frequency domain of relevant frequency bands is served as monitoring feature
摘要針對紙機壓榨部滾動軸承尺寸大響應弱、運轉速度低、低頻信號容易淹沒、調制源多、振動信號非平穩性等特點而導致常規的傅立葉分析診斷故障效果不佳的情況，提出了一種應用小波變換的時頻分析方法，對振動信號進行分解和重構處理，獲得了振動信號在不同的頻段的分量，提取相應特徵頻段重構分量的功率譜的頻域統計值作為特徵參數，從而實現對軸承故障診斷。 -
A single roll or a rolled section
一卷東西或被捲起來的一段
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