混響測試 的英文怎麼說
中文拼音 [húnxiǎngcèshì]
混響測試
英文
reverberation measurement-
Based on laboratory and in - situ tests, the influence of initial void on the rutting - resistance, moisture damage - resistance, strength and permeability of asphalt mixt is studied, and the appropriate ranges of air void of asphalt mixtures are analyzed and suggested
摘要在室內試驗和現場測試的基礎上,分析初始空隙率大小對瀝青混合料抗車轍能力、水穩定性、強度和滲透性能的影響,探討瀝青混合料空隙率的界限值。The fixed quantity guideline of the timbre is given by testing the empty yard reverberation time and calculating the full yard reverberation time of the odeum in the xiaogan college
本文通過對孝感學院音樂演播廳混響時間、聲壓級分佈及背景噪聲等客觀質量的測試,給出了定量的音質評價。Acoustics - determination of sound power levels of noise soures - engineering methods for small, movable sources in reverberant field - part 1 : comparsion method for hard - walled test rooms
聲學聲壓法測定噪聲源聲功率級混響場中小型可移動聲源工程法第1部分:硬壁測試室比較法Acoustics - determination of sound power levels of noise sources - engineering methods for small, movable sources in reverberant fields - methods for special reverberation test rooms
聲學.噪聲源的聲功率級測定.在混響場中對可移動聲源的工程測量方法.用專用混響試驗室的測量方法Acoustics - determination of sound power levels of noise sources - engineering methods for small, movable sources in reverberant fields - comparison for hard - walled test rooms
聲學.噪聲源聲功率級的測定.在混響聲場中小聲源和移動聲源的工程測量方法.第1部分:硬墻試驗室的比較分析法Acoustics - determination of sound power levels of noise sources - engineering methods for small, movable sources in reverberant fields - part 1 : comparison method for hard - walled test rooms
聲學.測定噪聲源的聲功率級.混響場內小型可移動聲源的工程法.第1部分:硬壁試驗室中的比較法Acoustics - determination of sound power levels of noise sources - engineering methods for small, movable sources in reverberant fields - part 2 : methods for special reverberation test rooms
聲學.聲壓法測定噪聲源聲功率級.混響聲場中小型可移動聲源的工程檢測法.第2部分:專用混響試驗室法Acoustics. determination of sound power levels of noise sources. engineering methods for small, movable sources in reverberant fields. part 1 : comparison method for hard - walled test rooms
聲學.噪聲源聲強級的測定.混響聲場中小聲源和移動聲源的工程測量方法.第1部分:硬墻試驗室的比較分析法Acoustics - determination of sound power levels of noise sources - using sound pressure - engineering metheds for small, movable sources in reverberant fields - part 2 : methods for special reverberation test rooms
聲學聲壓法測定噪聲源聲功率級混響場中小型可移動聲源工程法第2部分:專用混響測試室法This paper studies the mechanism generated from flow - noise in seawater pipeline, introduces controlling method of flow - noise, analyzes sound field characteristics of flow - noise in seawater pipeline system and the merits and demerits of measuring the flow - noise methods in and out of the pipeline. in our experiment, a test measuring device of seawater muffler is used in a measuring chamberlet to verify that a method of reverberation chamberlet is difficult to exactly measure the low frequency flow - noise in pipeline. at the same time the insertion lose of water muffler in the low frequency was measured by the measuring chamberlet method
本文分析了海水管路系統內流噪聲的產生機理,介紹了流噪聲的控制方法;分析了海水管路系統中流噪聲的聲場特性以及流噪聲管內、管外測量方法的優缺點;通過海水消聲器試驗測量臺架,利用測量小室驗證了混響箱法難以準確測量海水管路系統中的低頻流噪聲;用測量小室對水消聲器在低頻段的插入損失進行了測量。The effects of various additives elements and doping methods on foam nickel electrode ' s performance were studied using constant current charge - discharge test. we compared two doping methods : mechanical mixing doping and chemical co - precipitation doping
利用恆流充放電實驗等電化學測試方法研究了不同摻雜元素及摻雜方式對泡沫鎳電極的影響作用,對機械混合摻雜和化學共沉積摻雜進行了比較。Among the many testing methods of analog and mixed signal circuits booming up in recent years, the pseudorandom testing technique is easier to generate testing stimuli and the current - based testing method could magnify the response differences between fault - free circuits and faulty circuits
近年來提出的很多種模擬及混合信號電路測試方法中,偽隨機測試法易於產生測試激勵,基於電流的測試法能使正常電路和故障電路的頻率響應的差別增大。The effect of admixture on impermeability of concrete in frigid zone was studied the results of the test meet the requirements of design and construction
摘要主要研究了混凝土中摻入引氣減水劑對混凝土抗滲性能的影響,並按選定配比以最佳摻入量摻入混凝土中進行抗滲試驗,測試的結果滿足設計和施工的要求。On the other hand, through inhibted performances of concrete and mortar, the permeability refutations with different w / c, ages, admixture, and physics chemistry absorb regulation of different viscosity permeable liquid, the liquid - gas method is proved science and accuracy. because adopting with liquid - gas method it case clearer concrete permeability regulation. different concretes relativity is more exact and more efficiency and fixed quantity
另一方面,我們利用混凝土所固有的性質:不同水灰比混凝土、砂漿、抗滲性能規律;不同齡期混凝土的抗滲規律;不同外加劑、摻合料抗滲性能之間相互對比規律;不同黏度滲透液物理化學吸附對測試結果影響的規律;用規律來映證溶液氣壓法的科學性,準確性。Based on the analysis result, an experimental system was established using 5 special concrete embedment strain sensors at a highway, and the experiments were carried on
在此分析的基礎上,建立了實測移動車載下的路面板底拉應變響應的方法,並用5個特殊的混凝土埋入式應變傳感器在高速公路上建立了實測試驗環境進行實測試驗。The dynamic response of the experiment model is studied by transfer function response, and the natural frequency and vibration mode of the vibration system are measured, the dynamic characteristic is mastered, which provides the experiment test method of dynamic data for the structure design of reinforced concrete and the shock absorber design of the system, especially provides the design rules to vibration control of the machine equipment which are built in the building structure
用傳遞函數響應方法對實驗模型進行動態響應實驗研究,測得振動系統的固有頻率和振型,掌握振動系統的動態特性,為鋼筋混凝土建築的結構設計和系統減振設計提供動力學的實驗測試方法,尤其給安裝在建築物內機械設備的振動控制提供了設計依據。Considering the actual testing, the influences of such factors as the thickness of the steel plate, the moisture content of the concrete and oil paint layer on the test are taken into account in experiment
考慮到實際測試的情況,本文考慮了鋼板厚度,混凝土含水量,油漆層等因素對測試的影響並分別進行了試驗。The cold resistance and the water permeability resistance of the recycled coarse aggregate concrete were also test. the principle and the influencing factors of the drying shrinkage, the freeze thaw action and the water permeation action of the recycled coarse aggregate concrete were briefly narrated
還測試了再生粗骨料混凝土的抗凍性和抗滲性,簡要敘述了再生粗骨料混凝土干縮變形、凍融作用、滲透作用的機理以及影響因素。Electromagnetic compatibility - part 4 - 21 : testing and measurement techniques - reverberation chamber test methods
電磁兼容性.第4 - 21部分:試驗和測量技術.混響室試驗方法Electromagnetic compatibility - part 4 - 21 : testing and measurement techniques - reverberation chamber test methods iec 61000 - 4 - 21 : 2003 ; german version en 61000 - 4 - 21 : 2003
電磁兼容性.第4 - 21部分:試驗和測量技術.混響室試驗法分享友人