降噪的 的英文怎麼說
中文拼音 [jiàngzàode]
降噪的
英文
geruschdmpfend sound-absorbing-
On - the - spot test of vibration damping and noise decreasing for the cool primary air fan of 2023t h boiler
鍋爐冷一次風機減振降噪的現場試驗研究Noise reduction in a tractor cab by sound absorption
拖拉機駕駛室內吸聲降噪的試驗研究For conductive fillers / piezoelectric ceramic / polymer composites, based on the piezoelectric and conductive theories, mechanical energy or sound energy can change into electric energy induced by piezoelectric ceramic ' s piezoelectric effect, and then these energy can be dissipated in form of heat energy through conductive network formed by conductive fillers in the system
在導電填料/壓電陶瓷/聚合物復合材料體系中，根據壓電、導電原理，機械振動能（或聲能）可通過壓電陶瓷的壓電效應轉換為電能，並通過體系中導電填料形成的導電網路，將電能以熱的形式耗散，從而達到減振降噪的效果。Confirming 1072hz and 2193hz to be the most important control frequencies after the cohere analysis between vibration and noise signals. calculate the optimum parameters of two freedoms damping dynamic vibration absorber with the method of optimum parameter designing
計算鋼軌不同部位、不同方向的振動信號和噪聲信號的相干系數，得出振動信號和噪聲信號相干曲線圖，確定鋼軌減振降噪的主要控制頻率。After analyzed the basic principle of optimized noise reduction on tyre pattern, summarized three approaches to noise reduction. the first is trying to reduce size of single block or socket to reduce noise amplitude on time domain, the second is to adjust stripes sorting order and their interlace value to avoid noise - made by every single block - peak values on time domain overlayed and the last is to adjust ratio of blocks and sockets, ratio of stripe interval and stripe sorting order to avoid noise periodical distribution and abnormal high peak values in some frequency strip
論文第四章分析了輪胎花紋優化降噪的基本原理，總結出三條降噪途徑：在允許范圍內盡量減小單個塊或槽的大小、刻刀槽軟化花紋塊來減小噪聲時域波幅度；調整節距排列順序、花紋條之間的錯位值，使各發聲單元發出的聲壓時域波形的同向峰值錯開，避免同向峰值疊加；調整花紋塊和槽比例、節距比例、節距排列順序，盡量避免周期性分佈，使輪胎所發出的噪聲趨于白噪化，避免某些頻段的異常高峰值。Building construction noise investigation and preventive measures
點鈔機減振降噪的研究Study on a new method of de - noising vibration signals of rotating machinery
一種旋轉機械振動信號降噪的新方法研究A noise - restrained method of image edge detection based on wavelet transform and data fusion
一種基於小波變換和數據融合降噪的圖像邊緣檢測方法A two - stage self - adapting filter method is proposed for implementing noise decrease in magnetic flux leakage signals
摘要介紹一種兩級自適應濾波演算法對漏磁信號進行降噪的實現。With all of the research works, some corresponding measures, which are used to rebuild the water supply system, are put forward
提出了供水系統改造的相應措施，實現了減振降噪的目的。These results have very important referenced values to simulative calculations and experimental researches on drag and noise reduction with riblets under water
本文的研究內容對隨行波表面水下減阻降噪的模擬模擬計算和實驗研究具有重要的參考價值。From an analysis of the noise resource of rail transit, we know that reducing the wheel / rail noise is the key to reduce the noise and vibration of the rail transit
摘要通過對軌道交通噪聲源的分析，結合我國現狀，降低輪軌噪聲是軌道交通減振降噪的關鍵。Different theories and methods of calculation, experiment and noise reduction are summarized, and evaluated, and some opinions for the future development are presented
對不同的計算、實驗及降噪的理論和方法進行了總結和評價，為今後的發展提出了一些看法。Specifically, this thesis includes the following work : the basic theory of speech processing and noise in speech reduce. we study the short interval character of speech signal and short interval process technology, and classify the noise and disturbance in wireless receiver terminal into 3 categories and present corresponding schemes
本文針對高質量無線語音傳輸的需求，對語音處理及語音降噪的基礎理論、關鍵技術及降噪設備的實現方法展開研究，在此基礎上設計實現了無線語音通信降噪器實驗系統，並對實驗系統的降噪效果進行了測試。In this thesis, the research on how to lower the vibration and noise of transfusing fluid pipe is based on pipe system of providing water in high building of tianjin custom
本論文是以天津海關高層住宅樓供水系統為研究對象，進行了輸液管道減振降噪的初步研究。Experiment results prove that this algorithm is a practical and effective method, with which the ideal cross - section curve can be acquired. the result is coincidence to the standard iri ( the international roughness index ) and meets the necessity
實驗結論：基於陣列信號處理和小波降噪的演算法應用於路面平整度檢測可以得到較理想的斷面曲線，換算國際平整度指標iri與標定較吻合，符合處理要求。Through using for reference and demonstrating the technology of video processing system of domestic and foreign, author has put forward a set of video processing system schemes suitable for the china " s actual conditions. by using the digital technology, such as digital encode - decode, digital phase - locked, digital filter, digital image storing, the system schemes realizes tv signal noise reduction and time error elimination in real time, and makes the system be a integrated noise reduction and time based corrector really
通過借鑒和論證國內外時基校正和視頻降噪的相關技術，作者提出了一套適合於中國國情的視頻處理系統軟、硬體方案實現模擬電視的信號數字轉換以及利用數字編解碼、數字鎖相、數字濾波、數字圖像存儲等數字技術來實現電視信號實時去噪和消除時基誤差，使系統真正做到集時基校正與降噪一體化。The reason that the noise is lower with inclining tongue is : 1 ) both the radius of the tongue and the gap between the tongue and the blade are changed across the wideth ; 2 ) the phase angle between blade and the tongue is changed across the wideth, therefore the peak value of the noise do not appear at the same time, so the peak value of the noise with inclining tongue is much lower than the straight one. the influence of the expanded angle of the shell of the fan on the noise was invested experimentally, and the optimal angle was got
傾斜蝸舌降噪的主要原因是：一是改變了從氣流入口側到風機輪盤的蝸舌間隙和蝸舌半徑；二是改變了葉輪與蝸舌非定常相互作用的相位差，使其產生噪聲也有相位差，迭加的結果進一步降低了噪聲。另外，試驗研究了不同蝸殼擴張角對風機噪聲及效率的影響規律，蝸殼擴張角選擇當否，對效率和噪聲影響較大。This dissertation aims at the problem of the noise of over length truck falling short of the lately country standard, and makes research on the reason of the gear - box vibrating noise. by combine using finite element analysis and experimental analysis method, the dissertation directly researches the vibrating noise of the gear - box, and takes some availability measures to control vibrating noise from the box surface. by improving the box to reduce its noise, and validate the effect
本文針對一汽超長載重汽車噪聲指標不符合國家最新標準的實際問題，對其變速箱振動噪聲的產生機理進行深入研究，應用有限元分析與實驗分析相結合的方法直接對其進行振動和噪聲分析，在此基礎上提出控制其振動噪聲的有效措施，並通過對其箱體的改進設計，最終達到減振降噪的目的。Scientists and technologists of many countries have dedicated a great effort to solve this problem, many achievements were achieved, a lot of measures to decrease vibration and noise were made out. each kind of measure has certain effect to decrease vibration and noise
各國科技工作者已經對此展開了長期深入的研究，取得了很多的成果，並制定了一些減振降噪的措施，每一種措施都有一定的減振降噪效果。分享友人