noise natural 中文意思是什麼
noise natural
解釋
自然雜訊-
This paper try to obtain various noise - control measures applied to different situations through analyzing noise transmission characteristics of heat pump units under natural conditions of ventilation and cooling, in practice, the noise pollution of the hot pump units has been reduced obviously by effective measures
通過分析風冷式熱泵機組的噪聲源特性，在滿足熱泵正常運行所需要的通風散熱等條件下，總結出多種應用於不同情況下的噪聲治理措施，並經實踐檢驗，降噪效果顯著。 -
The use of interferometer to detect and analyze laser radiation is well known, but when the intense ratio of the laser radiation to the background natural light radiation is too small, the laser radiation cannot be detected. a novel more sensitive method for detect of wideband weak incident laser in strong background noise is introduced in this paper. the optical unit uses two wedge interferometers and two line array detectors. the incoming light radiation is divided into two beams and through the interferometers
在被動激光偵察告警中，對微弱脈沖激光信號的探測是一個難點。當探測距離相當遠或視場內接收的背景光輻射很強時，脈沖激光信號到達探測器的能量很小，會淹沒在強大的背景光信號中而探測不到。本論文提出了一種探測微弱脈沖激光信號的方法，可對強烈背景光中的激光威脅信號進行探測和告警，並給出其波長參數。 -
So the pipe system sends out noise because of resonance. especially the frequency 250hz of pulsating water is in close proximity to natural frequency of pipe, so the 250hz is a dangerous frequency to the pipe system. there is another reason why the noise is reached to 110db ( a ) in pump room that the noise is magnified by the cistern because of the resonance of cistern
特別是激勵頻率為250hz的頻率分量恰好與管道系統的固有頻率相接近，其引起的管道振動對噪聲的貢獻最突出，同時也與水泵房房腔的固有頻率相接近，從而引起房腔共鳴發聲，使噪聲進一步被放大，以至於噪聲最大處高達105db （ a ） 。 -
When the natural frequency of the gas column in the inlet valve is consistent with the main frequency of the periodic air inlet noise, the resonance noise of the gas column will also become prominent in the air inlet noise
進氣管空氣柱的固有頻率與周期性進氣噪聲的主要頻率相一致時，空氣柱的共振噪聲在進氣噪聲中也會較為突出。 -
Abstract : it is the first time to use powder damping technique in reducing the vibration and noise of cold saw clamp. through measurement and analysls of the noise reduction effects and frequency spectrum, it is found that powder damping is a simple and practical technique, and influences on the strength and natural characteristics of the clamp are small
文摘:把粉體阻尼技術首次用於冷鋸機夾盤的減振降噪，通過對其降噪效果及頻譜的測量分析，發現粉體阻尼不但是一種簡單實用的技術而且對夾盤的強度和固有特性影響小。 -
Finally finding that there are two reasons that cause vibration of pipe and noise. the one is the vibration of pump which transfers to pipe and stimulates the vibration of pipe. the second is the stimulating frequency of pulsating water is coherent with the natural frequency of pipe
最後得出管道的振動主要是由於兩個原因，一是泵的機械振動傳遞給管道，引起管道的振動；二是由於水流的脈動激勵頻率與系統的固有頻率相吻合，引起管道的共振發聲。 -
Environmental changes due to factors such as climate change are likely to be difficult to identify against the background noise arising from the numerous sources, both natural and man - made, of environmental variability
在眾多自然及人為因素產生的環境變異源導致的噪音背景下，因氣候變化等因素造成的環境變化很難確定。 -
During the construction phase, the construction noise predicted at the representative noise sensitive receivers will not exceed the noise standard due to natural geographic shielding and the remoteness from the construction site
在施工階段，由於自然地理的遮擋作用及這些敏感受體的位置遠離工程地盤，所以建築噪音預計將不會超過噪音水平。 -
Analyses the characteristics of transmission, natural attenuation, regeneration and superposition of noise
分析了空調系統噪聲的傳遞、自然衰減、再生和疊加特性。 -
Melp vocoders utilize mixed pulse and noise as the excitation to elimate the buzzes in traditional lpc vocoders, and add a jitter voicing state to overcome the tonal noise. parameters " interpolation, adaptive spectrum enhancement and pulse dispersion also are adopted to improve the continuity. the synthetic speech of melp vocoders sound much more natural and perceivable than the traditional vocoders "
Melp聲碼器採用混合脈沖和噪聲激勵解決了經典lpc的嗡嗡聲的問題；引入了抖動濁音狀態以克服音調噪聲；利用參數插值、脈沖散布和自適應譜增強等措施提高合成語音的自然度和可懂度；此外還採用了多帶激勵，使其具有了比較強的抗背景噪聲的性能。 -
As to still image coding, even though the performance of wavelet image coding algorithms excel first generation image compression standard jpeg, but they will produce boring mosquito noise at low bit - rates, which are mainly located around image edges. besides that, their coding efficiency will drop rapidly for those natural images with rich textures
而在靜態圖像編碼方面，雖然小波圖像演算法的編碼性能遠遠超過第一代圖像壓縮標準jpeg ，但它在低位率條件下也會出現蚊式噪音，主要集中在圖像邊緣附近，而且對于包含豐富紋理的自然圖像，其編碼效率也會急劇下降。 -
In first part of the thesis, by a review of the research on aircraft sonic fatigue, the formulas for calculating natural frequencies of the typical aircraft skin - panel structure with four edges simply - supported or four edges fixed - supported were drawn, the response of displacement and stress was analysed under the condition of random white noise loading with the steady - state or unsteady - state. the procedure how to use data of s - n curve under constant loading for predicating the fatigue life of skin - panel subjected to random loading was shown
通過對聲疲勞問題研究的回顧，根據典型飛機蒙皮壁板模型，整理了四邊固支，四邊簡支兩種邊界條件下多階模態固有頻率，非平穩及平穩隨機白噪聲載荷下的位移和應力響應，以及如何從等幅s ? n曲線求得隨機載荷應力下的疲勞壽命。 -
The aspect of environmental planning in terms of air quality, noise pollution, visual impact, water quality, waste management and risks associated with potentially hazardous installations, and the aspect of conservation in terms of the preservation and enhancement of natural landscapes and habitats as well as the protection of heritage features would be taken into account in the formulation of sustainable territorial development strategies and planning standards, and preparation of town plans
在制訂可持續發展的全港發展策略和規劃標準，以及在擬備規劃圖則時，我們會考慮環境規劃因素，包括空氣質素、噪音滋擾、視覺影響、水質、廢物處理，以及具有潛在危險裝置涉及的風險；又會顧及自然保育，包括保護和改善自然景觀及生態，以及保護文物景色。 -
The effect of natural background and noise in infrared image, fuzzy edge of infrared object, make it difficult to segment and label artificial object in natural background
自然背景復雜的紋理特徵和紅外圖像中的噪聲影響，以及紅外目標模糊的邊緣，給紅外目標的邊界檢測和分割帶來一定的困難。 -
Control of water - dropping noise and enhancement of cooling effetiveness for cross - flow type natural draft cooling tower
橫流式自然通風冷卻塔落水噪音的治理及冷卻效果的提高 -
However, by comparison with flap nozzle servo valve which has been used widely and popularly by now, the torque motor of jet pipe servo valve has a larger rotary inertia. this causes low natural frequency of servo valve, and thus the response speed of jet pipe servo valve is slow. moreover, the jet pipe of servo valve has large flexibility, and it is easy to excite oscillations and noise in the valve, which is named self - excited oscillations and noise
然而與目前普遍使用的噴嘴擋板伺服閥相比，射流管伺服閥的銜鐵組件轉動慣量大，導致力矩馬達部分固有頻率低，從而響應速度慢，此外，射流管供油管柔性大，容易產生自激現象，這些缺點都使得射流管伺服閥的動態特性差，從而影響了它的工作性能。 -
Changxing wood companies produced solid wood doors elegant, simple natural, luxurious warmth, unique taste ; pvc door a new artistic style, aesthetics generous, moisture - proof, deformation, cracks, sturdiness and durability, and noise insulation good effect
長興木業公司生產的實木門高貴典雅、古樸自然、豪華溫馨、品味獨特； pvc免漆門格調清新、美觀大方，它防潮、不變形、不開裂、堅固耐用、且隔音隔熱效果良好。 -
Under natural environment, the plate character can be faint or transfigured. as a result, we bring up several algorithms to process the noise in the image, including single point noise processing algorithm, noise processing methods based on connected area, second - moment and edge scanning, which are efficient in getting rid of the noise
本文根據自然條件下車牌字元模糊，變形等特點，提出了多種圖像噪聲處理的演算法，包括單象素噪聲去除演算法，基於連通域和二階矩以及邊緣掃描的噪聲去除演算法，較好的去除了圖像中包含的噪聲區域。 -
I car d not to drive a nail, or chop a stick of wood now, for fear the noise i should make should be heard ; much less would i fire a gun, for the same reason ; and above all, i was intollerably uneasy at making any fire, least the smoke which is visible at a great distance in the day should betray me ; and for this reason i remov d that part of my business which requir d fire ; such as burning of pots, and pipes, etc. into my new apartment in the woods, where after i had been some time, i found to my unspeakable consolation, a meer natural cave in the earth, which went in a vast way, and where, i dare say, no savage, had he been at the mouth of it, would be so hardy as to venture in, nor indeed, would any man else ; but one who like me, wanted nothing so much as a safe retreat
結果，后來的事實證明，如果我們當初走了我們自己想走的路，或者走了我們心目中認為應該走的路，我們則早已陷於萬劫不復的境地。反復思索之後，我自己定下了一條規矩：每當自己心裏出現這種神秘的暗示或沖動，指示我應做什麼或不應做什麼，我就堅決服從這種神秘的指示，盡管我不知道為什麼該這么做或該這么走，我知道的只是心裏的這種暗示或沖動。在我一生中，可以找出許許多多這樣的例子，由於我遵循了這種暗示或沖動而獲得了成功，尤其是我流落到這個倒霉的荒島上以後的生活，更證明了這一點。 -
The hotel is located in wuyi country garden of jiangmen city, besides the beautiful daxikeng natural reserves and connecting the downtown jiangmen. the perfect surroundings keep it away from the noise but near the city
酒店坐落於江門市西環路五邑碧桂園內，北依大西坑自然風景區，南接江門市中心，攬都市繁華而摒棄喧囂，蘊自然氣息于建築精髓。
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