noise screen 中文意思是什麼
noise screen
解釋
噪聲屏蔽-
Analysis of noise - proof performance of usl and usk vibro - screen
系列振動篩防噪技術分析 -
The whole frame used in this paper is that, first, by using video card, we get a series of b - scan images, then delete the noise in this images. secondly, draw the outline of interesting object in each image by manual, through clicking mouse on screen. thirdly, reconstruct 3d - image using 2d contour
本文圖像處理採用的總體方案是：首先，運用圖像採集卡從b超儀獲取一系列超聲斷面圖像，然後對超聲圖像進行去噪預處理，再通過人機交互的方式，手工勾畫出各層圖像中感興趣目標的輪廓線，並運用三維重構技術進行三維重構，最後運用opengl將三維圖像顯示出來。 -
Win600 automobile lift has the same control system as freight lift, i. e. micromputer control or plc control, and the same tracyion system as freight lift, i. e. vvvf vector control, to make it safe, reliable, stable, comfortable, energy - saving and of high leveling precision as freight lift. the car is equipped with four or six symmetric guide rails, to solve the problem of wobbling caused by the unbalance load of car and reduce the noise of operation, the door is equipped with reliabe optical screen protction or infrared electronic protecyion, to ensure the safe entry and exit of automobile. the double - controller design inside the car gives convenience to the operation of automobile driver
Win600系列汽車電梯的控制系統與載貨電梯一樣採用微機或plc控制，拖動系統樣採用vvvf矢量控制，因此，同樣具有安全可靠平穩舒適節能環抱平層精度高的特點。轎廂採用對稱的4根活6根導軌導向，解決了轎廂裝載不平衡引起晃動的問題，降低了運行的噪音。轎門裝有高可靠的光幕保護活紅外線電眼保護，保證汽車安全的進出。 -
The research of noise control on zs1756 vibration screen
1756振動篩的噪聲控制研究 -
Experimental study on noise suppressing of underwater bubble screen
水中氣泡幕對噪聲的屏蔽效果研究 -
Product info : the vibrating screen with circular motion is specially designed for quarry to separate crushed stone material into different sizes, and is dressing, cibstruction matefial, elecric and chenueal industies. it has a feature of advanced structure, powerful vibrating forces, low vibration noise, easy maintenance, high durability and etc
上海林滬實業有限公司專為採石場篩分料石設計生產的「山友」牌系列振動篩，運動軌跡呈圓周，也可用於選煤選礦建材電力及化工部門等作產品分級用，本公司產品具有結構先進激振力強振動噪音小易於維修堅固耐用等特點。 -
Experimental investigation of noise reduction on torpedo model by using the gas bubble screen technique
魚雷氣幕屏蔽及模型降噪試驗研究 -
Based on analyzing the features o f low frequency phase noise of laser beam, rms of phase gradient was introduced to characterize it and the corresponding wavefront model was constructed by usin g random phase screen
在分析強激光束低頻位相噪聲特點的基礎上，採用位相均方根梯度表徵激光束的低頻位相噪聲並結合隨機位相屏構建相應的畸變波前模型。 -
Solutions to noise pollution include adding insulation7 and sound - proofing8 to doors, walls, and ceilings ; using ear protection, particularly in industrial working areas ; planting vegetation to absorb and screen out9 noise pollution ; and zoning10 urban areas to maintain a separation between residential areas and zones of excessive noise
解決噪音污染的措施包括對門、墻和天花板進行隔音處理，使用耳朵保護裝置（尤其是在工業生產區） ，種植植物吸收並屏蔽噪音，對城市分區使居住區與過量噪音區分開。 -
Whoever had selected this retired portion of the grounds as the boundary of a walk, or as a place for meditation, was abundantly justified in the choice by the absence of all glare, the cool, refreshing shade, the screen it afforded from the scorching rays of the sun, that found no entrance there even during the burning days of hottest summer, the incessant and melodious warbling of birds, and the entire removal from either the noise of the street or the bustle of the mansion
總之，選擇這個神秘的地點作為靜居處是極有道理的，因為這兒可以躲避所有窺視的目光，有涼快爽神的樹蔭，茂密的枝葉象是一重天幕。即使在最炎熱的夏季，遇到那火燒一般的日子，灼人的陽光一絲也進不來，鳥兒的婉轉歌唱，街上和大廈里的喧囂聲都傳不到這兒來。 -
This paper makes a detailed discussion on the following key problems of high - frequency vibrating screen as bearing heating, high pitch of noise, and breaking of main bolts and it also provides the reason why those problems happen, improvement plan, and application
摘要就高頻振動篩在使用中軸承發熱、噪聲過高、主螺栓斷裂等關鍵技術問題，詳細論述了問題的產生原因，改進方案和使用效果。 -
The frame radiated noise is one of the major noise resources of rotary machines, especially for gear case which has close shell and vibrating screen which works in vibrating ways, the frame radiated noise energy account for more than 90 % of total sound energy. so if we could not successfully resolve the problem, the noise of rotary machines would never be effectively controlled
結構噪聲是旋轉機械的主要噪聲源之一，尤其是對于如齒輪箱這類具有封閉殼體的機械和如振動篩這類以振動為主要工作方式的機械，結構振動輻射聲能占總聲能的比例甚至可以達到90 95 ，因此不解決結構噪聲問題旋轉機械噪聲就不能得到有效的控制。 -
Using kalman model and gaussian random phase - screen fft, we simulated the distribution of illumination beam through long distance atmosphere and its frequency character. also other facts in simulation were analysised, such as reflection of niaterial under natural lighting, point spread function of optic system and electronic noise
文中用kalman譜模型和菲涅爾衍射的fft技術實現了照明光大氣傳輸的數值模擬，分析了照明光分佈規律，並提出了材料反射特性、光學系統、採集系統和圖像噪聲的模擬方法。 -
The experimental results are provided to show that : ( 1 ) edgetone generated by slanted hole configuration is main sound source, ( 2 ) screen and spllitter - plates successfully suppress the edgetone, ( 3 ) the design way in refer ence [ 1 ] for low noise wall is very useful
實驗結果表明： （ 1 ）斜孔所產生的邊緣音是最主要的聲源； （ 2 ）用加網和加隔片都是抑制邊緣音的有效方法； （ 3 ）文獻[ 1 ]介紹的低噪聲壁板的設計方法具有實用性。 -
Main concerns are mechanism on railway noise generation, noise source identification, computation method for sound screen, ground vibration, optimization of wheel / track structure, and noise control method
主要介紹了軌道交通噪聲產生的機理，國外對軌道交通的研究過程中所涉及到的一些問題，諸如噪聲源的定位，聲屏障的計算，地面結構的振動，輪軌的優化設計和降噪手段等。 -
Introduced the antijamming in the numerical control system design, from the shield ( including electric field shield, magnetic screen and electromagnetic field shield ) designs mentions, added the absorbing circuit to the perceptual load to suppress the transient state noise to give the specify, might avoid the numerical control system which disturbed creates " softly " the breakdown
摘要介紹數控系統中的抗干擾技術，對屏蔽（包括電場屏蔽，磁場屏蔽和電磁場屏蔽，正確的布線方式）和感性負載加吸收電路來抑制瞬態噪聲做了詳細說明，可避免干擾造成的數控系統的「軟」故障。
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