運行噪聲 的英文怎麼說

中文拼音 [yùnhángzàoshēng]
運行噪聲 英文
running noises
  • : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
  • : 行Ⅰ名詞1 (行列) line; row 2 (排行) seniority among brothers and sisters:你行幾? 我行三。where...
  • : 動詞1. (蟲或鳥叫) chirp 2. (大聲叫嚷) make noise; make an uproar; clamour
  • 運行 : move; be in motion; run; working; machine run; operation; corotation; propulsion (影片)
  1. Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box

    綜合介紹了邊界元法在輻射問題上的理論及應用;並給出了用邊界元法分析軟體求解振動輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法,並以封閉鼓形薄殼為分析對象進了相應的分析。利用數字計算軟體編制了數據模擬程序,並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應場而獲得一關鍵點的壓數據,實現音的可聽化,隨后通過虛擬現實工具實現了該情形下橢球殼振動的虛擬模擬。
  2. Aiming at permanent brushless dc motor in mini - bev ( battery electric vehicle ) with torque ripple and violent noise during low speed running, the fuzzy control method is combined with slide mode control method to suppress the influence due to un - modeling parameters, and to ensure the robustness in the process of reaching slide mode plane

    摘要針對微型電動車用永磁無別電動機轉矩脈動大、低速明顯等主要問題,採用模糊控制和滑模控制相結合的方法,克服了未建模參數的影響,保證了滑模到達階段的魯棒性,同時抑制了轉矩脈動。
  3. 3. researching on the edge detection method of surface image. after using the edge detection operator for the preliminary abstracting, a series of extending work, such as grey bivalence 、 thinning 、 noise reduction and compagination have been done

    3 .對帶鋼表面圖像的邊緣檢測方法進了研究及實現,採用邊緣檢測算元對邊緣初步提取,進了二值化、細化、去、連接等一系列后續處理工作,並且較好的判斷了邊緣是否良好的情況。
  4. Series of guowei dry - method composite machines as new product are explored with our many years ' experience, the requirement of the users. the first metal of this machine is adopted with : photo - ecectricity auto. tracking " correcting deviation equipment, magnetic powder tension control. pneumatic back pressure shifting blade, oven temperature controlled qutomatically, big roll with oil heating, coating composite pneumatic control as well as double frequency governor etc. it will make the machine with fast speed, lower voice, low polluted by air, shout consumptionfor energy, stable working etc. especially suitable for al - foil with smooth surface and no enough firming, glass paper, polyester ect. the composite material with hard strength, fireproof, anti - ventilation, anti - fatty, frozen, dudrable steam etc character. it is widely used in food, pharmacy, as well as daily articles to package

    「國偉」 、系列乾式復合機,是我廠根據多年的復合機製造經驗及結合客戶需求,開發的新產品,該機第一基材採用了「光電自動跟蹤」糾偏放卷裝置,磁粉張力控制、氣動背壓移動式刮刀、烘箱溫度分段自動控制、大輥筒導熱油加熱、上膠復合氣動控制及雙變頻調速技術,使該機具有復合速度快、低、空氣污染小、能耗低、平穩等特點,適宜於表面光滑的鋁箔玻璃紙聚酰胺等與聚乙烯、聚丙烯等薄膜的復合,復合薄膜具有強度高、防水、防透氣、防油脂、可冷凍、蒸煮等優點,廣泛應用冷凍食品、乾燥食品、醫藥品及日用品的包裝。
  5. During simulation of kinematic calibration of virtual axis machine tool, indirect method is used for measuring its position and orientation ; meanwhile jacobean matrix regrouping method is used instead of arduous optimization to avoid measurement noise maginification

    摘要在對虛擬軸機床進動學標定的模擬計算過程中,採用間接測量法對虛擬軸機床的動進間接測量,然後通過矩陣重構的方法來解決測量的干擾問題。
  6. Presents the steady - state programming with constant coolant average temperature and constant live steam pressure, an ideal programming for marine nuclear power plant ( npp ), under which, both the coolant average temperature and the live steam pressure of nuclear steam supply system ( nsss ) are constant when the steady state operating condition is varied, and points out that in comparison with the steadysate programming with constant coolant average temperature, the ideal programming can improve the overall operating performance of npp effectively, especially in low - load range, for instance, raise the heat efficiency of npp, decrease the operating noise of main coolant pump, and improve the conditions of design, operation and control of the secondary loop system

    雙恆定方案是船用壓水堆核動力裝置的理想方案.在這種方案下,當裝置穩態功率變化時,冷卻劑平均溫度與蒸汽壓都保持不變,與通常採用的冷卻劑平均溫度恆定方案相比,有效地改善了核動力裝置的總體性能,特別是在低負荷時,可以提高裝置經濟性、降低主泵運行噪聲、改善二迴路系統的設計、和控制條件,這對于提高船用核動力裝置的可靠性和安全性具有實際意義
  7. In the present dissertation, friction - induced noises emitted by a flat specimen rubbing against another flat specimen or a ball specimen under reciprocating sliding are studied. the detailed observation of the scars is conducted by means of a scanning electrical microscope ( sem ), laser scanning microscope ( lsm ), optical microscope and profilometer. the dynamic state variables are analyzed in detail using the discrete wavelet transform

    使用電子掃描顯微鏡( sem ) 、激光掃描顯微鏡( lsm ) 、光學顯微鏡和表面輪廓測量儀等設備對摩擦發生的區域進了詳細的觀察和分析,用小波變換技術對摩擦狀態下的動力學變量進了深層次的研究,應用matlab simulink語言對摩擦系統進了振動動力學模擬,系統地研究了摩擦的形成機理。
  8. Firstly, the complex characteristics of the seal images caused in the process of producing conditions are analyzed. to solve these problems respectively, the circularity clusters and the ostu method are firstly used to realize the shape classification and threshold processing of different seal images. then the image denoise is performed well by scanning beam seed filling and labeling algorithm

    論文中首先分析了印鑒圖像由於蓋印條件造成的圖像本身的一些復雜特點,提出了用圓形度聚類和最大方差比演算法對圖像進形狀分類和閾值處理,隨后利用掃描線種子填充演算法和貼刪標簽演算法進的去除等預處理。
  9. Based on research progress on economic value of ecosystem services, taking shenzhen for instance, the authors analyze the functions of ecosystem services such as conditioning climate, fixing carbon and releasing oxygen, preserving soil, keeping waterhead, purifying environment, and restraining noises. economic values of all the six kinds of ecological service functions are calculated

    綜述國內外生態系統服務功能價值評估相關研究進展,以深圳市為例,用生態經濟學原理與方法,闡釋了生態系統調節氣候固碳釋氧保持土壤涵養水源凈化環境和減弱等生態服務功能,對其經濟價值進評估。
  10. Based on theories and methods of ecological economics, we explain the functions of ecosystem services in chengdu city, sichuan province of china such as conditioning climate, fixing carbon and releasing oxygen, preserving soil, keeping waterhead, purifying environment, and restraining noises, and estimate the economic value of it

    摘要用生態經濟學原理與方法,闡釋了成都市生態系統調節氣候、固碳釋氧、保持土壤、涵養水源、凈化環境和減弱等生態服務功能,對其經濟價值進評估。
  11. Row winding, winding engine adopting ac servo engine with berger lahr three phase mixed stepping can solve the resonance, big noise, high speed and small torque for traditional row winding hy normal stepping engine

    1 、排線、繞線電機採用具有支流伺服電機特性的百格拉三相混合式步進。徹底解決傳統排繞用普通步進電機有共振區、大、高速扭矩小的缺點。
  12. Electrically propelled road vehicles - airborne acoustical noise of vehicle during charging with on - board chargers - determination of sound power level

    電動道路車輛.車輛荷載期間產生的.級測定
  13. Aim at to turn a dense oil pump in the movement the metal bellow expansion joint and buffer tank was installed in the dense oil pump export because of the violent vibration and noise cause by the discharge and the pressure pulsation, the result show lowered the vibration and noise availably was obvious

    摘要針對轉子式稠油泵在中因流量和壓力脈動所引起的劇烈震動和,在稠油泵出口安裝金屬伸縮節和緩沖罐,有效地降低了震動和
  14. On the other hand, the harmonic and surge current in capacitor banks is restrained so that the capaci - tor is protected by reactor. since this type of reactor has a dry - type air - cored structure, no - core structure without ferromagnetic induc - tion effect, it is provided with the feature of good linearity and low noise, so that the product is convenient for maintenance and ope - ration in all weather

    該型電抗器採用乾式空心結構,維護簡單,安全,無鐵心,不存在鐵磁飽和,電感值不會隨電流變化而變化,線性度好,低,適合全天候條件下
  15. In order to alleviate the problem of railroad noise pollution, this paper studies the wheel - rail noise reducing technology by sticking high damping materials on the two sides of rail according to the characteristics of train running noises after speed increase and wheel - rail noise generating mechanism

    摘要針對鐵路污染狀況,根據提速列車運行噪聲的特點及輪軌產生的機理,研究了通過在鋼軌軌腰鑲嵌高阻尼材料從而降低輪軌的技術。
  16. The major noise sources of low - speed railway vehicles ( v 200km / h ) running in domestic existing lines are wheel - rail rolling and structure noise

    我國既有線鐵路客車速度多在200km h以下,屬于低速運行噪聲以輪軌和構造物為主。
  17. In this paper the train running noise level has been predicted with the theory of point sound source. the sound exposure level of a train set pass, equivalent continuous sound level and maximum sound level of a train set pass has been taken as estimate values, and some kinds of affixation attenuation on the course of noise propagation is considered, then the corresponding visual software has been developed. these make it convenient and precise to predict the noise level

    本文從點源的理論出發,對列車運行噪聲預測計算,採用一列車通過時的單發暴露級、時間特性的最大壓級和一定時間內的等效級等作為評價量,並考慮了傳播過程中的各種附加衰減,編制了相應的可視化軟體,使預測計算方便、準確。
  18. Article 31 " traffic noise ", as used in this law means the sound that is emitted by such means of transport as motor vehicles, locomotives, motor vessels and aircraft in motion and that impairs the living environment of the neighbourhood

    第三十一條本法所稱交通,是指機動車輛、鐵路機車、機動船舶、航空器等交通輸工具在時所產生的干擾周圍生活環境的音。
  19. Due to the complexity of noise prediction calculation, the train running noise was taken as line sound source to predigest the model in fore prediction commonly, by this way, the error of the result and the fact value was relatively great

    由於預測計算的復雜性,在以前的預測方法中一般都是將列車運行噪聲作為線源,以使預測模型簡化,這樣得到的結果與實際值之間誤差較大。
  20. The operating noise of ball mill is the strongest noise source of boiler workshop. some technology schemes have been given to fall noise

    球磨機的運行噪聲是鍋爐車間最強的源,降改造具有重要的社會意義。
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