聲耦合器 的英文怎麼說
中文拼音 [shēngǒugěqì]
聲耦合器
英文
acoustic coupler- 耦 : Ⅰ動詞[書面語] (兩人並耕) plough side by sideⅡ名詞1 (古農具名) plough2 [書面語] (兩人一組) a...
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 耦合 : [物理學] coupling; interconnection; catena; linkage; linking
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The ultrasonic motor is a kind of direct driver which is uses the converse piezoelectric effect of the piezoelectricity ceramics, by using transformation and the coupling of each kind of expansion and contraction vibration pattern enlarging the material microscopic distortion by resonate effect and transforming it to macroscopic movement of the rotor or the slide by the friction coupling
超聲波馬達是一種利用壓電陶瓷的逆壓電效應,通過各種伸縮振動模式的轉換與耦合,將材料的微觀變形通過共振放大和摩擦耦合轉換成轉子或者滑塊宏觀運動的直接驅動器。30 litre couplant tank. automatic pumped supply with full recirculation. visual and electronic level display. continuous couplant monitoring by flow sensor and ultrasonically
30升的耦合劑儲蓄槽。自動化泵槽裝置可以將其完全循環利用。可顯示直觀的電子層面。通過流量傳感器和超聲波地來對耦合劑進行連續監控。The time spent waiting for the desired location to appear under the reader, or disk heads, or at the end of an acoustic coupler
等待所需位置出現在閱讀器下或磁頭下或聲音耦合器末端所花費的時間長度。Theory and experiments of bulk - wave acousto - electro - optical ( aeo ) device, involving one - dimension and multi - dimension, are systematically studied. the thesis includes the following contents : coupled - wave equation theory of aeo interaction, determination of the optimum operating mode of aeo device, geometrical relationships of the anisotropic acousto - optic interaction, design and experiment of the aeo device. finally, the optimum design of ao device with beam steering theory is also studied
論文主要研究內容包括:一維和多維聲電光效應的耦合波方程及其衍射效率計算公式的建立、一維和多維聲電光器件最佳工作模式的選擇、聲電光晶體反常聲光互作用幾何關系的計算、 ln一維反常聲電光器件和kdp二維反常聲電光器件的設計製作以及實驗測試、正常與反常超聲跟蹤聲光偏轉器的優化設計。Based on local coupling mode theory of graded index optic fiber wave guide, the variation regularity of coupling output light has been deduced when sound wave acts on single mode optic fiber coupler. and a new idea has been proposed that a novel sensor can be applied on detection of acoustic / vibration. the sensing element of sensor is the melting area of single mode coupler in which the feasibility of the new - type optic fiber sensor has been proved in experiment
本文從緩變光纖波導的局部耦合模理論出發,推導出了單模光纖耦合器耦合分光在聲波作用下的變化規律,提出了以單模光纖耦合器的熔融區為傳感元件的傳感器在聲振動信號檢測中應用的新思想,並實驗論證了這種新型光纖傳感器應用於實際的可行性。On the base of studying imaging theory of lens, the imaging theory of laser confocal scanning microscopy was analyzed in detail in this paper, and the advancement of that the optical fiber was applied to the system was described ; on the base of completed the demonstration for whole project, the experiment scheme was designed ; the relationship between the main parameters of key devices and the resolution was deduced, and the requirements of coupling efficiency and vignetting effects to optical system was analyzed ; the design of optical system and the planar scanning controlling circuit was completed ; a new method was put forward to resolved the inherent non - liner scanning problem of the galvanometer scanner by using software liner controlling in circuit design, and the perfect planar scanning was realized ; at last the low noise, high multiple and non - distortion amplify circuit of photoelectric detector was completed
本文在透鏡成像理論的基礎上,系統、深入地分析了共焦掃描顯微成像的機理,論述了應用單模光纖的激光共焦掃描顯微成像系統的優點;進行了總體方案的論證,並設計確定了單模光纖激光共焦掃描顯微成像系統的總體方案;從理論上推導分析了解析度要求與試驗系統中相關器件主要參數之間的關系,分析了系統耦合效率和漸暈現象對光學系統的設計要求;完成了方案中光學系統和二維掃描控制電路的設計,並在電路設計中採用了用軟體解決檢流計式光學掃描器(振鏡)非線性問題的新方法,能夠實現較為理想的二維模擬掃描;完成了高增益、低噪聲和低失真的探測接收系統的設計和調試。An audio coding device includes an audio coder for receiving audio signals and generating base data and enhancement data ; and a rearranging device coupled to the audio coder
一種聲頻編碼裝置包括:一聲頻編碼器,其用於接收聲頻信號並產生基本資料與增強資料;以及一耦合至該聲頻編碼器之重新排列裝置。In the aspect of saw devices, for zno has high coupling factor, and aln has high saw velocity, if zno thin film was deposited on aln thin film, the multiplayer film has not only high coupling factor, but also has high saw velocity, which was suitable for saw of high frequency
在聲表面波器件應用方面,由於zno具有很大的機電耦合系數,而aln的聲表面波傳播速度較高,因此若zno和aln相結合,則不僅具有大的機電耦合系數,而且具有很高的聲表面波速度,這非常適合於製造高頻聲表面波器件。In order to measure the characteristics of such semiconductor optical amplifier, we adopted a set of measurement system. this measurement system can be used to measure the characteristics of all kinds of active or inactive optical passive components. such device presents good polarization insensitivity ( < 0. 9db ), wide 3db bandwidth ( > 33nm ) at 0 - 200ma and different input signal light wavelength and power, the maximum fiber - to - fiber gain of 10db, lossless operation current of 50 - 75ma for different input signal light wavelength and power, large extinction ratio ( > 50db ) and lower noise figure ( nf ) ( < 8db )
與張瑞英博士一起,首次利用該種有源區結構制備出偏振不靈敏半導體光放大器,並在0 - 200ma注入電流范圍內獲得33nm的3db帶寬,在不同信號波長,不同信號功率0 - 200ma的注入電流范圍內,偏振相關損耗均《 0 . 9db ,在耦合差損為7db / facet的條件下,最大fiber - to - fiher增益達10db ,無損操作電流為50 - 70ma ,消光比達50db以上,而噪聲指數則低於8db ,最小可達4 . 6db 。Thirdly, the range switch circuit and filter circuit are designed in the analog input channel. to realize the safe high speed acquisition, the interface circuits are separated from the function circuits, and the isolation power with high performance and digital isolator is used to restrain the common mode disturb and noise of the input
3 .模擬輸入通道設計有量程切換電路和濾波電路,並且採用了屏蔽、浮置技術和磁耦隔離技術,使用了高性能的隔離電源和磁電耦合器,有效地抑制了輸入信號的共模干擾和噪聲,實現了安全、高速的數據採集。Electroacoustics - simulators of human head and ear - acoustic coupler for the calibration of supra - aural earphones used in audiometry
電聲學.人頭和耳模擬器.用於測聽計的超級聽力耳機校正用聽力耦合器Electroacoustics - simulators of human head and ear - part 3 : acoustic coupler for the calibration of supra - aural earphones used in audiometry
電聲學.人頭和耳模擬器.第3部分:用於聽力測定計的超聽力耳機校正用聲耦合器Electroacoustics - simulators of human head and ear - an interim acoustic coupler for the calibration of audiometric earphones in the extended high - frequency range
電聲學.人頭和耳模擬器.在超高頻范圍內測聲耳機校正用間歇聽力耦合器The non - linearity of measurement microphone in principle and structure at high pressure level analysed, and deeply introduces the high pressure level calibration system, the systems principle of operation, calibration method, measurement uncertainty and experimental results and deeply introduced
摘要從原理和結構上分析測試傳聲器在高聲壓級下的非線性特性,著重介紹以高壓諧振耦合腔為核心的高聲壓級校準裝置的原理、校準方法及不確定度分析,並給出一些試驗結果。En60318 - 2 electroacoustics. simulators of human head and ear. part 2 : an interim acoustic coupler for the calibration of audiometric earphones in the extended high - frequency range
電聲學.人頭部和耳朵的模擬器.第2部分:在擴展高頻范圍內校準測聲耳機用的間歇聲音耦合器Acoustic coupler, auto - answer modem
自答型調變解調聲音耦合器In this paper 5 function modek equivalent circuit model and p matrix representation of idt are expounded. the principle of energy transfer efficiency of energy transfer and frequency response of combinational acoustic pathes are also expounded
本論文闡述了叉指換能器的6函數模型、等效電路模型和p矩陣表示方法;耦合器能量轉移的原理、能量轉移效率;組合聲路的頻率響應。In the sixth chapter a low noise amplifier whose operating frequency is 6ghz 12ghz is presented. it is a balanced amplifier. in this chapter we discuss the calculation of lange coupler, the matching of balanced amplifier and the influence of thin film mic in the design
第六章設計的6ghz 12ghz的低噪聲放大器為平衡放大器,詳細討論了蘭格耦合器的計算、平衡放大器中匹配電路的設計和薄膜mic工藝對電路設計的影響。In the design of optical system, to improve system precision, the fiber optic coupler is added to make a laser pulse circle ; in the unit of photo detection, we make a high - precision temperature compensation apd bias circuit, which allows system to abate the noise caused by temperature changer and dark current
應變測量系統主要由光源、傳感光纖、光電探測器和信號處理電路組成。在光學系統設計中為提高系統的精度採用了光纖定向耦合器實現光脈沖的循環;在光電轉換單元上採用高精度溫度補償的apd偏置電路,減小了溫度和暗電流帶來的噪聲干擾。By designing the circuit structure of preamplifier and selecting new elements such as ultra low noise operational amplifier and linear opto - coupler, some difficulties in eeg acquisition is overcome and the common mode rejection ratio ( cmrr ) of preamplifier is highly increased. so eeg can be amplified and detected well
通過對前置放大器等電路結構的精心設計,選用超低噪聲的集成運算放大器以及線性光耦合器等新器件,克服了腦電信號採集中經常遇到的一些困難,使前置放大器具有較高的共模抑制比,從而能夠較好地放大檢測出所需的腦電信號。分享友人