resonance ratio 中文意思是什麼
resonance ratio
解釋
諧振放大系數-
Test method for ferrimagnetic resonance linewidth and gyromagnetic ratio of nonmetallic magnetic materials
非金屬磁性材料鐵磁共振行距和回磁比測試方法 -
The best contemporary designs all share a good ratio of conductor resistance to cable capacitance, conductor inductance to cable capacitance and low electro - mechanical resonance
最佳的當代導線設計都朝向低電阻抗，包含電容與電感抗與盡量少的電機諧震。 -
Firstly, we analyze the character of nd : yag, bbo and lbo, for nd : yag crystal and select the nd : yag as the gain medium and lbo as doubling - frequency crystal. ln the theory, analyzing the parameter of the gain medium length, the ratio of the pump - and laser - beam waists. based on the above analysis, we design the resonance cavity
首先，我們對增益介質的性質和非線性晶體bbo和lbo的一些性質進行了比較，選取nd ： yag作為增益介質， lbo作為倍頻晶體。理論上分析了激光器設計中的一些參數值，如增益介質長度、模式交疊率、最佳倍頻條件，並根據理論分析結果設計了諧振腔。 -
In this thesis, we have mainly studied the characteristics of chf3, c6h6 and cf4 electron cyclotron resonance ( ecr ) plasma using langmuir probe and optical emission spectroscopy ( oes ). the relative concentration of different radicals in chf3 plasma and the effect of chf3 / c6h6 ratio on bond configuration of a - c : f films were discussed. it was showed that h, f, c2 were the main radicals among radicals of h, f, c2, ch and f2 in chf3 ecr plasma
重點研究了chf _ 3 、 cf _ 4和chf _ 3 c _ 6h _ 6放電等離子體中基團的分佈；分析了不同基團的相對密度隨宏觀放電條件（微波輸入功率、放電氣壓、源氣體流量比）的變化規律；探討了等離子體中各種基團的生成途徑；在不同源氣體流量比的條件下沉積了a - c ： f薄膜並通過傅立葉變化紅外吸收光譜（ ftir ）的測量得到了薄膜中鍵結構的信息；分析了a - c ： f薄膜的沉積速率及其鍵結構與等離子體空間基團分佈狀態之間的關聯。 -
The influence of various waterpower and configuration parameters on heat transfer is analysed and the rules of convective heat transfer coefficient and the ratio of heat transfer enhancement with mass flux are obtained. at the same time, we gain important results as below : as for resonance chamber with certain configuration, self - oscillation can be generated under suitable configuration and waterpower parameters. for the same configuration resonance chamber, the intensity of the self - oscillation is changed by the waterpower parameters
當流量及壓差降低至一定程度時，共振腔還可能削弱換熱；加熱功率的提高會增加流體（水）的溫度，流體的粘度會隨著降低，這會減少對流體脈動的阻礙，使脈動衰減得更慢，而脈動幅度的增加會增強換熱，故加熱功率對有脈動的對流換熱是有影響的；自振腔產生的流體脈動頻率是自振腔固有頻率或其整數倍，流體脈動頻率過高或過低都不利於對流換熱，存在一有利於強化換熱的頻率范圍。 -
Stochastic resonance has attracted the attentions in many fields of science in recent decades, but it is a new method and theory in signal processing. in context of signal processing, for signal transmission by nonlinear systems, stochastic resonance is commonly described as an increase hi the signal - to - noise ratio ( snr ) at the output, which is obtained through an increase of noise level or tuning system parameters
從信號處理的角度來講，隨機共振是在非線性系統信號處理中，輸入為強噪聲背景下的微弱信號，系統輸出以適宜的物理量來衡量，如信噪比，通過調節輸入噪聲強度或系統參數，都可使得系統輸出信噪比達到一個最大值，此時，稱信號、噪聲和非線性系統所產生的協同現象為隨機共振。 -
Finally, application of adams in the simulation analysis of the electromagnet damping system is based on velocity feedback. the result of the simulation is indicated that : the vibration effect of low frequency and resonance peak is decreased with increment of damping ratio, and the high frequency performance is not affected
最後採用adams對電磁阻尼隔振系統進行了振動模擬分析，模擬結果表明，合理設置阻尼比，能夠有效抑制諧振峰值，大幅度提高低頻隔振效果，並且對隔振平臺諧振頻率和高頻性能影響很小。 -
By means of the numerical methods, the root of the resonance frequency equation is solved, and the relation between the roots and the poisson ' s ratio is obtained
利用數值法，得出了不同材料彈性薄圓盤徑向振動超越頻率方程的一系列根。 -
The fourier transform infrared ( ftir ) spectrum is an effective technology for studying the hydrogen content ( ch ) and the silicon - hydrogen bonding configuration ( si - hn ) of hudrogenated amorphous silicon ( a - si : h ) films. in the paper, ch and si - hn of a - si : h films, fabricated at different ratio of h2 / sih4 by microwave electron cyclotron resonance plasma chemical vapor ( wmecr cvd ) method, have been obtained by analyzing their ftir spectra that are treated by baseline fitting and gaussian function fitting. the effects of ratio of h2 / sih4 on ch and si - hn are studied
Fourier紅外透射（ ftir ）譜是研究氫化非晶硅（ a - si : h ）薄膜中氫含量（ c _ h ）及硅-氫鍵合模式（ si - h _ n ）最有效的手段，對于微波等離子體化學氣相沉積（ mwecrcvd ）方法在不同h _ 2 sih _ 4稀釋比下制備出的氫化非晶硅薄膜，我們通過紅外透射光譜的基線擬合、高斯擬合分析，得出了薄膜中的氫含量，硅氫鍵合方式及其組分，並分析了這些參數隨h _ 2 sih _ 4稀釋比變化的規律。 -
Based on qualitative analysis and comparison of several options for suppressing transverse vibration on deck type steel plate girder of railway bridge, conclusions are made as follows : with static reinforcing, the vibration amplitude can be suppressed to some extent, but quasi - resonance of the bridge can not be avoided, moreover, the construction is inconvenient and costly. with option of two bridge connection, the effectiveness of vibration suppression is clear ( the damping ratio approaches 50 % ) and it is fairly economic and easy, however, the quasi - resonance of the bridge can not be avoided either. with dynamic option ( mtmd option ), the quasi - resonance of the bridge can be effectively avoided ( the damping ratio is up to 51. 38 % as tested in field ), moreover, the construction cost is low, and the construction is simply and convenient
通過對目前抑制鐵路上承式鋼板梁橋橫向振動的幾種方案進行定性的分析和比較，認為：靜力加固方案可以使橋梁振幅有所減小，但不能避免準共振現象的發生，而且工程造價較高，施工也不方便；兩橋連接方案減振效果明顯（減振率近50 % ） ，比較經濟也比較方便，但同樣不能避免準共振現象的發生；動力減振方案（ mtmd抑振方案）可以有效的抑制橋梁的準共振現象（現場試驗中減振率達51 . 83 % ） ，而且工程造價較低，施工簡單、方便。 -
The stochastic resonance phenomenon in a bistable system under the simultaneous action of multiplicative and additive noise and periodic signal is studied by using the theory of signal - to - noise ( snr ) ratio in the adiabatic limit
利用隨機共振理論，我們研究了在乘性和加性噪聲以及周期性驅動力共同作用下的雙穩系統的隨機共振現象。 -
However, the inherent shortcoming of piezoelectric transformer hinders its further development. the major problems include : ( 1 ) the development and design of the piezoelectric transformer involve in lots of theoretic aspects including the design of material, dimension, electrode and circuit ; ( 2 ) it is hard to harvest high voltage enhancement ratio and high - power output simultaneously ; ( 3 ) the operation of the piezoelectric transformer is strongly dependent on the resonance frequency, which leads to the difficulty in the design of driving circuit
但其自身所存在的固有缺點也在很大程度上限制了壓電變壓器的進一步發展，突出的問題有:壓電變壓器的研製包括材料設計、尺寸設計、電極設計和電路設計等多個環節，所涉及的理論面很廣;壓電變壓器的高陞壓比和大功率輸出難以同時得到保證;壓電變壓器的工作過多地依賴于諧振頻率，為外部電路的設計帶來了困難。 -
Secondly, combining the unified colored noise approximation and the functional analysis, the steady state distribution function is derived when both multiplicative colored noise and additive white noise are included in a bistable system with colored coupling between two kinds of noise. through the two - state theory, the expression of signal - to - noise ratio ( snr ) is obtained. the phenomenon of stochastic resonance is investigated
其次，我們綜合運用統一色噪聲近似和泛函近似的方法，推導了含有乘性色噪聲和加性白噪聲，並且兩種噪聲之間的耦合為色噪聲的雙穩非線性系統的定態分佈摘要不同類型的色噪聲對非線性光學系統的影響函數，然後通過雙態理論求出系統信噪比的解析表達式，對系統的隨機共振現象進行分析。 -
Methods of test for dynamic modulus of elasticity, rigidity and poisson ' s ratio of concrete by resonance vibration
用共振法測定混凝土的動態彈性模量剛性模量及泊松比的試驗方法 -
In the case of white noise, we research the system stochastic differential equation and fokker - planck ( fpk ) equation detailedly. the mechanism of sr is re - explained by system response speed and a new method is introduced, i. e., psr theory and method. it is shown that the output signal - to - noise ratio ( snr ) obtained by adjusting systems parameters can exceed that by turning noise intensity, especially when the input noise intensity has already been beyond the resonance region or point
在白噪聲假設下，以系統隨機微分方程和其概率密度滿足的fpk方程為基礎，本文詳細地探討了非線性雙穩態信號處理系統輸出的數字特徵，引入了系統響應速度，重新解釋了隨機共振現象產生的機理；通過系統參數調節，而不是調諧噪聲來產生隨機共振現象，提出了參數調節隨機共振理論和方法。 -
Standard test method for young ' s modulus, shear modulus, and poisson ' s ratio for glass and glass - ceramics by resonance
用共振現象對玻璃和玻璃陶瓷材料的楊氏模量剪切模量及泊松比的標準試驗方法
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