noise evaluation 中文意思是什麼

noise evaluation 解釋
噪聲評價
  • noise : n 1 聲音，聲響。2 叫喊；嘈雜聲，噪音；喧鬧聲；吵鬧，騷動，騷擾。3 〈古語〉謠言，風聲。4 〈美國〉...
  • evaluation : n. 1. 估價，評價。2. 【數學】賦值，值的計算。
  1. The dissertation discusses the characteristics of the human auditory system and its describable method and with this understanding establishes the objective method based on subjective perception. it is clarified that the person ' s evaluation on noise is not only " subjective " and qualitative analysis, but also quantitative analysis based on stable foundations. the availability and some problems of these methods of sound quality are illustrated with some concrete emulational examples

    論文詳細討論了人耳聽覺的一般特性及其描述方法，以其為基礎確立聲質量的基於主觀感覺的客觀評價方法，說明了人對噪聲的評價並不僅僅只是「主觀」的、定性的東西，而是可以建立在堅實基礎上來進行定量分析的，並通過具體算例說明聲質量方法的有效性和存在的問題。
  2. In this paper, the author established the model of objective evaluate parameters of sound quality and develope d an objective evaluation system which could give quantitative objective evaluate parameters, such as loudness, sharpness, roughness, psychoacoustics annoyance ( pa ) etc. paper also describes an subjective evaluation investigation ir " " hich 16 subjects used pair comparison statistical evaluation methods to evaluate the noise character of room air - conditioners, the results show that there is generality good agreement between quantitative objective evaluate sound quality parameters and subjective evaluation. at the same time an example of application of the technique to improve the noise character of room air - conditioner is offered

    此外本文還介紹了一個應用聲質量評價技術改進kfr - 50hw / e2d空調器聲質量的實例，通過對空調器室外機管系、導流罩、出風網等進行改進，空調器的聲質量得到了明顯改善：在室外風量提高164m ~ 3 / h情況下，聲音響度下降16 ，波動強度明顯改善，尖銳度指標也略有下降，作者同時總結了不同改進措施對產品聲質量影響的方式，以期為今後的聲質量改進提供借鑒。
  3. Acoustics - guide to standards on the measurement of airborne acoustical noise and evaluation of its effects on human beings

    關于空氣噪聲的測量及其對人影響的評價的標準的指南
  4. The refinements made to the original methodology are based upon not only the abroad new research about noise evaluation, but also upon the thought of the domestic base of current noise evaluation. the procedure involves not only considering the noise sound pressure level, but also considering the speech interference level and noise spectrum balance problems, which offer enough information about building noise environment for engineer and owner

    該評價方法借鑒了國外在噪聲評價方面最新的研究成果，同時也考慮了國內目前的噪聲評價狀況，該方法不僅僅考慮了噪聲聲壓級一個因素，同時還考慮了語言干擾級，以及噪聲頻譜的平衡性等問題，給工程人員以及建築業主提供了建築聲環境方面充足的信息，這是很有意義的。
  5. Come to the road vehicle breakdown, circadian variation and variation week. use of equivalent continuous a levels and the cumulative percentage of the level of traffic noise test evaluation, proportional prediction right sontu street next five years, the traffic noise trend forecast

    運用等效連續a聲級及累計百分數聲級對測試的交通噪聲進行評價，採用比例預測法對雄楚大街未來5年交通噪聲的發展趨勢進行預測。
  6. The monitoring and evaluation on the airplane noise in inner airfield

    機場內部飛機噪聲監測與評價
  7. The monitoring and evaluation on the noise pollution around a military airport

    某軍用機場周圍飛機噪聲監測及評價
  8. Acoustics - description and measurement of environmental noise - basic quantities and general evaluation methods

    聲學.環境噪音的描述和測量.基本量和一般評價方法
  9. The sound quality of the appliance has become a significant component in the purchaser ' s overall subjective evaluation. the sound of the appliance used to be evaluated by the noise level measured in db ( a ). however, in some cases, the noise level measured in db ( a ) ca n ' t match the feeling of people

    根據有關國家標準，家用電器的噪聲通常採用a計權進行測量，但在某些情況下應用a計權測量的結果有可能不夠確切：在一些情況下，某些產品a聲級並不高，用戶卻抱怨噪聲太吵；而在另一些情況下，盡管其a聲級比較高，但用戶卻可以接受。
  10. The deviated evaluation caused by either the low signal - to - noise ratio or the careless choice of the integration limit is avoided, and a precisive reverberation time evaluation is achieved

    克服了脈沖響應積分法測量混響時間中，由於較低的脈沖響應信噪比或積分上限選擇的不當所產生的估值偏差。
  11. The efficiencies of all methods mentioned are validated by simulation experiments and the evaluation result shows that performances of njsidwpt on narrowband noise interferences suppression outperform other methods greatly

    通過實驗模擬驗證了這些方法的有效性，評估參數結果進一步說明了njsidwpt在抑制窄帶噪聲干擾方面遠優于其它的方法。
  12. With frame gather card and ccd, metallographic image which can be processed by computer is acquired after a serials of the applications of digital image technique such as gray level transformation, dichotomy, noise eliminating, dilation and erosion, image enhancement, boundary detection, etc. an automatic quantitative metallographic analysis system is developed with visual c + + 6. 0 to realize the measuring of the size of the metal crystalline grain, evaluation the proportion of the second tissue of the metal, micro hardness. with three - level browser / server mode and active server technology, the system gives the remote user the applying service through network to communicate and analyze the image information

    利用數字圖像處理技術，對圖像採集卡或ccd攝像頭採集到的金相圖像進行灰度轉換、二值化、噪音消除、圖像增強、邊緣提取等一系列圖像預處理，獲得計算機可以處理的數字圖像；並利用visualc + + 6 . 0開發定量金相分析系統，以實現對晶粒大小、金相組織第二相相對含量、顯微硬度等參量的自動測量；採用基於browser server的三層體系結構，通過網路訪問，並利用activeserver技術給遠程用戶提供應用服務，以便於根據圖像分析結果，給出專家分析意見，實現異地分析及交流。
  13. Criteria for evaluation room noise

    房屋噪音評定準測
  14. The signal - to - noise of seismic data is relatively low for complex mountanious region in qaidam basin affected by complicated surface condition and underground structure, as result of that, this region is blank of seismic exploration or seismic data, directly influencing on the exploration potential evaluation and favorable targets selection

    摘要柴達木盆地復雜山地由於受復雜地表條件和地下構造的影響，地震資料信噪比較低，地震勘探難度較大，是多年來勘探的地震空白區或資料空白區，直接影響了該區勘探潛力評價及有利勘探目標的選擇。
  15. According to this, we propose a new way to renew the traditional method of subjective image quality evaluation, different to only use mse ( mean square error ) and psnr ( peak signal - to - noise ratio ) to evaluate merely on radiation distortion, and complemented quantitative description on compressed image distortion o it is significant to choose the format of video transferation and measuring precision calculation of tracking and measuring systems based on images

    中國科學院長春光機與物理研究所博士學位論文據此提出了不同於傳統的僅用均方誤差（ mse ）和峰值信噪比（ psnr ）來評價圖像灰度輻射畸變的新思路，補充了對壓縮圖像幾何畸變的定量描述。這對于基於圖像的測量跟蹤系統中數字圖像傳輸方式的選擇，以及評價壓縮解壓演算法對測量精度的影響有重要意義。
  16. Application of noise - superposition method in per - evaluation of occupational hazard in a construction project

    噪聲疊加法在建設項目職業病危害預評價中的應用
  17. Where such enterprises as whose projects are listed by the municipal committee and government as the key newly - started projects of the year, and with capital for actual foreign investment more than 5 million us dollars, the enterprises in question shall be granted as a support the same sum as such fees for urban infrastructure support, noise and sewerage, construction of the relocation of the people ' s air defense facilities, land and water facilities compensation, by - product price adjustment fund, bulk cement special fund as are collected within the authorities of the city government ; enjoy half reduction on the engineering quality supervision charge ; and the charges on land evaluation, construction project transaction service, planning techniques service, house - measuring and drawing shall be collected per 50 % of the lower limit of charge collection standards

    第四條：凡被市委、市政府列為年度新上重點項目且外資實際投入資金500萬美元以上的企業，給予本市權限內收取的城市基礎設施配套費、噪聲排污費、人防設施易地建設費、水土設施補償費、副食品價格調節基金、散裝水泥專項基金等額資金扶持；減半收取工程質量監督費；對土地評估費、建設工程交易服務費、規劃技術服務費、房屋測繪費按收費標準下限的50 %收取。
  18. In this paper, the influencing factors of acoustic environmental quality of residential area including noise from transportation, industry, construction and society were analyzed, the comprehensive influence of acoustic environmental quality of residential area between indoor and outdoor ones was studied, the evaluation index system of acoustic environmental quality of residential area based on influencing elements of acoustic environmental quality of indoor and outdoor ones was established, the control standard and improvement strategies including planning, technology and management of acoustic environmental quality of residential area were put forward, the gray clustering evaluation model of acoustic environmental quality of residential area was set up, and a case was evaluated

    摘要分析了居住區聲環境質量的影響因素，包括交通、工業、施工和社會生活等噪聲；研究了居住區聲環境質量是居住區室外聲環境質量和室內聲環境質量的綜合影響反映；構建了基於居住區室外聲環境質量和住宅室內聲環境質量影響因子的居住區聲環境質量評價指標體系；提出了居住區聲環境質量分級控制標準；從規劃、技術和管理的等方面提出了居住區聲環境質量的控制措施和改善方案；建立了基於灰色聚類分析方法的居住區聲環境質量評價模型，並進行了實證評價應用。
  19. Study on noise evaluation method of front loader washing machine

    前開式滾筒洗衣機噪聲評定方法初探
  20. The main works are described as follows : ( 1 ) we have summarized the latest research achievements and development of fractal theory and the applications in image processing domain and discussed and studied the definition, principle and algorithm of fractal and fractal dimension ; ( 2 ) aiming at the disadvantages of dfbr based edge detection method, an algorithm based on fractal intercept feature was put forward ; moreover, aiming at the bad anti - noise performance of traditional methods, a edge evaluation method was introduced to evaluate the performance of the algorithm and that of sobel - based algorithm quantificationally ; ( 3 ) furthermore, we proposed a novel method based on slope feature and intercept feature, then compared the performance with that of intercept - based method

    通過對近年來國內外學術界對分形理論及其在圖像處理領域相關應用問題的研究成果和最新進展的搜集、整理和總結，對分形及分形維數的定義、原理、演算法以及在圖像處理上的應用進行了較為系統的研究和探討； 2針對基於dfbr場邊緣檢測典型演算法的缺點，採用了一種基於分形截距特徵的圖像邊緣檢測演算法，取得了較為滿意的結果；並針對傳統方法抗噪性能差的缺點，引入一種基於參照圖的邊緣評價方法，並對此演算法性能與傳統sobel演算法進行定量分析對比，實驗證明該演算法是有效的； 3
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