電聲特性 的英文怎麼說
中文拼音 [diànshēngtèxìng]
電聲特性
英文
electroacoustical characteristic- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
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Measurement of electroacoustical characteristics of hearing aids
助聽器電聲特性的測量方法Hearing aids - methods for measurement of electroacoustical characteristics
助聽器.電聲特性測量方法Hearing aids. part 0 : measurement of electroacoustical characteristics
助聽器.第0部分:電聲特性的測量Measurement of electroacoustical characteristics of hearing aids with induction pick - up coil input
具有感應拾音線圈輸入的助聽器電聲特性的測量方法Measurement of electroacoustical characteristics of hearing aids with automatic gain control circuits
具有自動增益控制電路的助聽器電聲特性的測量方法Hearing aids - methods for measurement of electroacoustical characteristics of hearing aids with automatic gain control circuits
助聽器.第2部分:帶自動增益控制電路助聽器電聲特性測量方法Hearing aids - methods for measurement of electroacoustical characteristics of hearing aid equipment not entirely worn on the listener
助聽器.第3部分:不完全由聽者佩戴的助聽設備電聲特性測量方法We calculated the electro - acoustical characteristics of designed transducer using the postprocess functions of ansys. according to the above work, we manufactured and measured the real outboard - driven flextensional transducer, then comparing with calculating result
基於以上工作,我們製作了外部驅動彎張換能器的實驗樣機,對實驗樣機的電聲特性進行了測量,並與計算結果進行了對比。Method for assessing the electrical characteristics of ultrasonic testing instrument using pulse echo technique
採用脈沖回波技術評定超聲檢驗儀電氣特性的試驗方法Based on the results of the theory analysis and computer simulation of suspended stripline low pass filter, band pass filter, the transition from waveguide to finline and the transition from waveguide to suspended stripline, the structure design and manufacture were made. the measured results match the requirement. different from the traditional mixers used in the domestic communications satellites, the sub - harmonic balance mixer type was used in the ka - band mixer design
在ka頻段混頻器的研究過程中,通過對衛星和飛船所用到的混頻器進行研究,在對ka波段的傳統射頻前端電路的分析基礎上,提出改變以往星上傳統的基波混頻方案,採取了次諧波混頻方案,降低了本振頻率,簡化了本振鏈路,使噪聲特性、可靠性獲得改善。Frequency response, quantization noise, reconstruction error and its sensitivity to mismatch among adcs are studied at length in prqmf banks adc system, and the theoretic results include : ( 1 ) the distortion / aliasing functions of hybrid filter banks adc system is similar with that of switch capacitor filter banks adc system ; ( 2 ) for wide or narrow band input signal, the effective resolution of the two adc systems is 0. 51og2m bits higher than their adc ; ( 3 ) reconstruction error ' s sensitivity to mismatch among adcs of the two adc systems is reduced effectively than time interleaved adc system
2對prqmf濾波器組adc系統的頻響、量化噪聲特性、重建誤差特性以及重建誤差對adc間的失配敏感性進行了理論分析研究,所得到的理論結果為: ( 1 )混合濾波器組adc系統與開關電容濾波器組adc系統的失真/混迭函數一致; ( 2 )無論輸入寬帶還是窄帶信號,這兩種adc系統的有效解析度均比其adc提高了0 . 5log _ 2m比特; ( 3 )這兩種adc系統的重建誤差對其adc間的失配敏感性均明顯低於時間交織adc系統。The purpose of the thesis is to develop a new type of intelligent high - power ultrasonic power supply, which has many excellent performances. it includes : ( 1 ) the article firstly analyses the electrical impedance and working characteristics of ultrasonic vibration system. based on these, the overall scheme of power supply has been set up and operational principle of control systems has been proposed
本文旨在研製一種多方面性能優越的新一代智能化大功率超聲電源,內容包括: ( 1 )在分析超聲振動系統的電聲特性和工作特性的基礎上,構造了智能化超聲電源總體設計方案,提出了控制系統的工作原理。A system scheme of digital image collection plus spread spectrum communication ( abbreviated as ssc ) is presented in this paper after a full analysis of noise characteristics, attenuating characteristics and impedance characteristics of low - voltage power lines
本文首先介紹了低壓電力線的噪聲特性、衰減特性和阻抗特性,然後提出一種數字圖像採集+擴頻傳輸的系統總體方案。The basic operation principle of phase - locked frequency synthesizer and the type of circuits are expatiated systematicly in this paper. the principle of operation on sampling phase detector and some characteristics including the linear tracking and phase noise in phase loop circuits are analyzed deeply. the research is emphased on the theory and design method of circuits in the sampling phase - locked frequency synthesizer. then, the expansion capturing circuit is analyzed and designed for better performance of capturing loop circuits. at last, the loop filter is also analyzed and contrived taking account of effection of additional phase shift by the sampling - holder. the general research on the theory and technology of sampling phase lock in the paper will make a basement for the development of new product
本文系統的闡述了鎖相頻率合成器的基本工作原理及電路類型;較深入地分析了取樣鑒相工作原理及電路、鎖相環路的線性跟蹤特性和相位噪聲特性;重點對取樣鎖相頻率合成器電路理論和設計方法進行了研究;為了改善環路的捕獲性能,對擴捕電路進行了分析和設計,並用wewb32軟體對電路進行了模擬;考慮到取樣保持器的附加相移影響,對環路濾波器進行了分析和設計。Using sige bicmos darlington configuration as the input stage, the input resistance is increased by the mos devices while the transconductance of sige hbts is maintained. in the same time, the equivalent input noise is controlled well because of the sige hbts ’ good noise performance in the input stage
輸入級的設計採用sigebicmos達林頓結構,在保留sigehbt高跨導優勢的基礎上充分利用mos器件來提升運放輸入電阻,此外,基於輸入級中sigehbt良好的噪聲特性,運放的輸入參考噪聲電壓可以大大降低。Standard guide for measuring some electronic characteristics of ultrasonic examination instruments
超聲檢驗裝置的某些電子特性測定的標準指南Noise characteristics analysis of ofdm system in low - voltage power line communication channels
的低壓電力線通信系統通道噪聲特性分析This paper designs a measurement system and measures the main properties of power line practically. the characteristics of power line are analyzed in detail, and a power line channel model is presented which consists of the parametric transfer function model and the simulating model of background noise, narrow noise and impulse noise. simultaneously the simulating method on the computer is presented
本文設計了一個測量系統對實際電力線通道的主要特性進行了測量,詳細分析了電力線的信號傳輸特性和噪聲特性,給出了一個實用的室內電力線通道模型,包括參數化的傳輸函數模型以及背景噪聲、窄帶噪聲和脈沖噪聲的近似模型,並給出了計算機模擬實現方法。First, we make an introduction of the basic theory of ccd sensor working, and some key conceptions
本文首先闡述了ccd傳感器的工作原理和主要概念,包括光電轉換原理、電荷轉移原理、 ccd的性能指標,並分析了ccd的噪聲特性。System scheme of speech coding plus spread spectrum communication was presented based on a full analysis of noise characteristic, attenuation characteristic and impedance characteristic of low - voltage power line. spread spectrum carrier ( abbreviated as ssc ) technology is adopted to overcome problems existing in signal transmission over power line. high quality, low rate mbe compression algorithm was used to complete speech encoding and decoding
在對低壓電力線路的噪聲特性、衰減特性和阻抗特性三個方面充分分析的基礎上,本文提出一種語音編碼+擴頻傳輸的系統總體方案,採用擴頻載波( spreadspectrumcarrier ,縮寫為ssc )技術克服電力線傳輸信號存在的問題,採用語音合成質量高並具有較低碼率的mbe壓縮演算法完成語音信號的編解碼。分享友人