頻帶壓級 的英文怎麼說

中文拼音 [bīndàiyājí]
頻帶壓級 英文
band pre ure level
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 壓 : 壓構詞成分。
  • 級 : Ⅰ名詞1 （等級） level; rank; grade 2 （年級） any of the yearly divisions of a school course; gra...
  1. We also proposed a reformed surface speed method based on the problems of surface speed method in engineering application. this method can make sure the structure radiant sound status in total noise and the detail phonate part quickly and correctly

    根據表面速度法在工程應用中存在的問題提出了頻帶聲壓級差值法，該方法能快速準確地確定結構聲在總噪聲中的地位和結構的具體發聲部位。
  2. Detail specification for multi - contact circular electrical connectors for d. c. and low frequency applications - bayonet coupling with front release, rear removable crimp contacts - full assessment level

    直流和低頻用多觸頭圓形電氣連接件詳細規范帶有前面可釋放後面可拆卸的壓接觸點卡口接頭.全面評估級
  3. From the performance analysis of the inverter heat pump air conditioner, heat pump type vrf ( variable refrigerant flowrate ) air conditioning system, two - stage compression inverter air source heat pump, and cooling / heating / how - water inverter air source heat pump, the expanded function and performance improvement of air source heat pump from the variable frequency technology are analyzed in this paper

    摘要以變頻熱泵空調器、熱泵型vrf空調系統以及我們提出的雙級壓縮變頻空氣源熱泵系統、供冷/供熱/供生活熱水變頻空氣源熱泵系統為研究對象，分析變頻技術引入空氣源熱泵系統帶來的功能拓展和性能提升。
  4. Standard test method for evaluating masking sound in open offices using a - weighted and one - third octave band sound pressure levels

    用a加權和1 3倍頻帶聲壓級評價敞開式辦公間掩蔽聲的標準試驗方法
  5. The application of multi - level delay charging method has change the conventional charging method and increase the effective energy in downgoing elastic wave, which has unique effect in increasing the bandwidth of effective wave, resolution, s / n ration and interference attenuation and is worth to propagate

    多級延遲爆炸技術的應用，改變了傳統的激發方式，提高了彈性波下傳的有效能量，對提高有效波頻帶寬度、在提高解析度、信噪比、壓制干擾各方面，都具有獨特的作用，具有很好的推廣價值。
  6. The thesis has done the widespread investigation and study to the domestic and foreign ’ s technologies of analogy low voltage and low power, and analyzes the principles of work, merts and shortcomings of these technologies, based on the absorption of these technologies, it designs a 1. 5v low power rail - to - rail cmos operational amplifier. when designing input stage, in order to enable the input common mode voltage range to achieve rail - to - rail, it does not use the traditional differential input pair, but use the nmos tube and the pmos tube parallel supplementary differential input pair to the structure, and uses the proportional current mirror technology to realize the constant transconductance of input stage. in the middle gain stage design, the current mirror load does not use the traditional standard cascode structure, but uses the low voltage, wide - swing casecode structure which is suitable to work in low voltage. when designing output stage, in order to enhance the efficiency, it uses the push - pull common source stage amplifier as the output stage, the output voltage swing basically reached rail - to - rail. the thesis changes the design of the traditional normal source based on the operational amplifier, uses the differential amplifier with current mirror load to design a normal current source. the normal current source provides the stable bias current and the bias voltage to the operational amplifier, so the stability of operational amplifier is guaranteed. the thesis uses the miller compensate technology with a adjusting zero resistance to compensate the operational amplifier

    本論文對國內外的模擬低電壓低功耗技術做了廣泛的調查研究，分析了這些技術的工作原理和優缺點，在吸收這些技術成果基礎上設計了一個1 . 5v低功耗軌至軌cmos運算放大器。在設計輸入級時，為了使輸入共模電壓范圍達到軌至軌，不是採用傳統的差動輸入結構，而是採用了nmos管和pmos管並聯的互補差動輸入對結構，並採用成比例的電流鏡技術實現了輸入級跨導的恆定;在中間增益級設計中，電流鏡負載並不是採用傳統的標準共源共柵結構，而是採用了適合在低壓工作的低壓寬擺幅共源共柵結構;在輸出級設計時，為了提高效率，採用了推挽共源級放大器作為輸出級，輸出電壓擺幅基本上達到了軌至軌;本論文改變傳統基準源基於運放的設計，採用了帶電流鏡負載的差分放大器設計了一個基準電流源，給運放提供穩定的偏置電流和偏置電壓，保證了運放的穩定性;並採用了帶調零電阻的密勒補償技術對運放進行頻率補償。
  7. Electromagnetic compatibility - limits - guide to signalling on low - voltage electrical installations - emission levels, frequency bands and electromagnetic disturbance levels

    電磁兼容性.第3部分:極限.第8節:低壓電氣設備信號傳輸指南.輻射級頻帶和電磁干擾級別
  8. Electromagnetic compatibility - part 3 : limits - section 8 : signalling on low - voltage electrical installations - emission levels, frequency bands and electromagnetic disturbance levels

    電磁兼容性.第3部分:限值.第8節:低壓設備用符號.輻射級頻帶寬和電磁干擾級別
  9. Electroacoustics - instruments for measurement of aircraft noise - performance requirements for systems to measure one - third - octave band sound pressure levels in noise certification of transport - category aircraft

    電聲學.航空噪聲測量.運輸機噪聲檢定測量三分之一帶寬倍頻聲壓級裝置性能要求
  10. Electroacoustics. instruments for measurement of aircraft noise. performance requirements for systems to measure one - thirs - octave band sound pressure levels in noise certification of transport - category aeroplanes

    電聲學.航空噪聲測量儀.運輸機噪聲檢定的三分之一倍頻帶聲壓級系統測量用性能要求
  11. Electroacoustics - instruments for measurement of aircraft noise - performance requirements for systems to measure one - third - octave band sound pressure levels in noise certification of transport - category aeroplanes

    電聲學.航空噪聲測量儀器.在運輸機噪聲鑒定中測量三分之一帶寬倍頻聲壓級裝置的性能要求
  12. Almost any piece of information available at the time of interaction can be seen as context information : identity, spatial information ( e. g., location, orientation, speed and acceleration ), temporal information ( e. g., time of the day, date, and season of the year ), environmental information ( e. g., temperature, air quality, and light or noise level ), social situation ( e. g., who are you with, and people that are nearby ), resources that are nearby ( e. g., accessible devices, and hosts ), availability of resources ( e. g., battery, display, network, and bandwidth ), physiological measurements ( e. g., blood pressure, hart rate, respiration rate, muscle activity, and tone of voice ), activity ( e. g., talking, walking, and running ), schedules and agenda settings

    幾乎任何在交互時可用的信息都能被看作環境信息：標識，空間信息（例如：位置，朝向，速度和加速度） ，時間信息（例如：某天的時間，日期，某年的季節） ，環境信息（例如：溫度，空氣質量，光或噪音的級別） ，附近的資源（例如：可訪問的設備，主機） ，可用的資源（例如：電池，顯示，網路和帶寬） ，生理度量（例如：血壓，心率，呼吸頻率，肌肉活動，語調） ，活動（例如：談話，行走，和奔跑） ，日程和內容設定。
  13. After the image lifting wavelet transformation, its coefficients have some characteristics, for example : the frequency compression characteristic, namely the primitive image energy majority of gathers to the low frequency sub - belt ; spatial compression characteristic, namely high frequency sub - belt energy majority of centralisms in primitive corresponding and so on image edge, outline position ; the coefficient distribution similarity, namely in the

    經提升小波變換后，其系數具有如下特性:頻率壓縮特性，即原始圖像的能量大部分聚集到低頻子帶;空間壓縮特性，即高頻子帶的能量大部分集中在原始圖像的邊緣、輪廓等對應的位置;系數分佈相似性，即同一方向上各級子帶系數幅值分佈大體一致。
  14. In the power - amplifying grade of drive circuit, the system adopts a method of high / low voltage drive that is different to the conventional drivers. so the high frequency performance of the system is improved and the load support capability of step motor is increased. by the software method, the control principle of the optimum increasing / decreasing frequency of step motor is achieved

    在驅動電路的功放級採用了一種不同於傳統驅動器的高低壓驅動方式，改善了系統的高頻性能，增加了步進電機帶負載能力，以軟體方法實現步進電機最佳升降控制規律，實現了步進電機的快速啟、停控制。
  15. By the study of rtp / rtcp protocol, video encod / decode technic, directshow, timestamp and multicast, the paper brought forward the design project of streaming media real - time system based on rtp. the system has the function of video / audio capturing, encoding, network transmission, decoding, storage and playback. it resolved some problems such as streaming media transmission on narrow banwidth better. these functions were accomplished by software with using mpeg - 4 standard to encode and decode video stream

    該系統具有音視頻採集、編碼、網路傳輸、解碼、和回放等功能，較好的解決了目前網路流媒體傳輸存在的網路帶寬較窄等問題。這些功能都採用軟體實現，採用視頻壓縮標準mpeg - 4對視頻進行編碼解碼。在硬體方面只作較少的投資，因此，成本低，易於升級。
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