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- To predict the rail s noise radiation, the receptance analysis model of the track system is built in this thesis. 為了預測鋼軌輻射的滾動(dòng)噪聲,本文建立了軌道系統模型計算鋼軌的導納,在模型中,鋼軌采用三維實(shí)體單元模擬,軌枕采用彈性梁?jiǎn)卧M。
- Firstly, conducted the evaluation of the car"s noise performance and benchmarking, defined the object. 本文首先對車(chē)內噪聲進(jìn)行了評價(jià),與同檔次對標車(chē)車(chē)內振動(dòng)和噪聲級對比,確定了降噪目標。
- The article states that the noise of main axial compressor set in giou giangrefinery is reduced by measn of noise inoulator cover and ting hole noise silencer,and asatisfactory enviroment is obtained. 本文論述了采用隔聲罩和微孔消聲器降噪的方法，降低了九江煉油廠(chǎng)主風(fēng)機組的噪音，獲得了良好的環(huán)境。
- The measure result of the system noise show that the optical fiber hydrophone TDM system would not bring obvious noise under the current level of the detector"s noise. 系統噪聲的測試結果表明在當前探測器噪聲水平下，利用光開(kāi)關(guān)實(shí)現的水聽(tīng)器時(shí)分復用系統不會(huì )帶來(lái)明顯的噪聲。
- In SART（Simultaneous Algebraic Reconstruction Technique），there is no restrict to image space，so the image space’s noise will increase after the definite number of iteration. 摘要 聯(lián)合代數迭代方法（SART）對重建圖像空間是無(wú)約束的，其迭代到一定次數后，圖像空間的噪聲會(huì )不斷增加。
- Then we design the multiplier circuit which is an important part for the rubidium atomic frequency standards and its noise is the main source of the whole system’s noise. 而倍頻電路是原子頻標的一個(gè)重要部件，其噪聲是系統噪聲的主要來(lái)源之一，其性能對銣原子頻標的性能有很大影響。
- Ramb rs noise silencer 長(cháng)波式靜噪電路
- Ramb's noise silencer 長(cháng)波式靜噪電路
- Experiment shows that the method can protect the high frequency information like edges from reducing the image’s noise effectively so that the de-noising effect is more protruded. 實(shí)驗表明，該方法在有效地濾除了圖像的噪聲的同時(shí)，還很好地保護了圖像的邊緣等高頻信息，使得降噪效果更加突出。
- Keywords ventilators;noise;traveling;noise silencer; 通風(fēng)機;噪聲;傳播;消聲;
- They spend the winter(s) in a warmer climate. 他們在氣候較暖的地方過(guò)冬。
- Most plural nouns in English end in "s". 英語(yǔ)的復數名詞多以“s”結尾。
- The sweater had shrunk after repeated washing(s). 這件套頭毛衣洗過(guò)多次已縮水了。
- Work Mechanism and Installation of Aperture Noise Silencer for Exhaust Gas in Boiler 鍋爐排汽小孔消音器的機理及安裝
- Some old folk(s) have peculiar tastes. 有些老人有特殊的愛(ài)好。
- Noise Silencer for Steam Evacuation and Flow Adaptation of Its Valve in Thermal Power Plant 火電廠(chǎng)蒸汽放空消聲器及其閥門(mén)流量適配
- Answer the following question(s). 回答下列問(wèn)題。
- Most plural nouns in English end in s'. 英語(yǔ)的復數名詞多以s結尾。
- The drug affects one's power(s) of concentration. 這種藥影響人精神不能集中。
- Keywords axial fans;noise;noise silencers; 軸流通風(fēng)機;噪聲;消聲器;
