零聲波 的英文怎麼說

中文拼音 [língshēngbō]
零聲波 英文
zero sound
  • 零 : Ⅰ數詞1 （零數） zero2 （數的空位） zero sign （0）; nought 3 （表示沒有數量;無） nil; nought 4 （...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  1. Minitype series ultrasonic cleaners are mainly applicable to labs of plants, shops and small performances, used to cleanse components of clocks and watches, glasses, bijouterie, electronic components and plastic ceramic components etc

    微型系列超聲波清洗機主要適宜於工廠實驗室商店及小批作業，用於清洗鐘表零件眼鏡珠寶首飾電子零件塑料陶瓷零件等。
  2. Partial wavelet coefficients ca n ' t be set zero when the threshold is undersize so parts of noises are retained and some useful signals will be taked off when the threshold is iusto major so parts of useful signals are lost. these cases result in dissatisfactory denoising

    如果閾值選取過小，那麼有一部分的噪聲小波系數將不能被置零，從而在去噪后的信號中保留了部分噪聲信息，使去噪的效果變差。
  3. Mlg series ultrasoning system is designed by our compeny, combining with the advantages of foreign and domestic trades. the instrument id mainlu used is single monocrystal silicon sheet, electric parts, lens, hardware and precision mechanical parts

    Mlg系列超聲波清洗系統，是本公司結合國外清洗機的特點精心設計，主要運用於單晶矽片、太陽能矽片、電子零件、光學鏡片等行業。
  4. 2. the spectrum correcting technique is applied in one dimension distance sidelobe restraining successly and deal with well with this understanding of zero or low doppler frequency and without noise, mussy weaves

    2 、在一維距離旁瓣抑制中成功地應用了譜修正技術，在無噪聲、雜波干擾，零或低多普勒頻率情況下，處理效果良好。
  5. Sgrseries ultrasonic cleaning system is designed by our company, combining with the advantages of foreign and domestic trades. the instrument is mainly used is single monocrystal silicon sheet, electric parts, lens, hardware and precision mechanical parts

    Sgr系列超聲波清洗系統，是本公司結合國外清洗機的特點精心設計的，主要運用單晶矽片、電子零件、光學鏡片、小五金和精密機械零件等行業。
  6. The nonlinear filtering for nbi estimate - subtract assumes that the prediction error is dominated by spread spectrum signal and the background noise power is far below spread spectrum chip power, this assumption promises the low error ratio of chip decision but may not be attainable to digitalized dsss receiver in military communication environment, and does not coincide with the principle of dsss communication that decreases bit error ratio ( ber ) depending on spread spectrum gain, not on chip power

    在干擾估計抵消濾波中，以往的非線性濾波要求干擾抵消濾波后擴頻信號功率遠大於殘余噪聲功率，進而假設碼片判決的誤碼片率基本為零，這一要求對軍用擴頻通信是不利的，而且也不符合擴頻通信利用擴頻增益降低誤碼率的原則。
  7. " l ' lle brief introduction of underwater acoustic channel and the cl1art of image transmission syste111, innovation of ti1is paper are given in the first chapter. basic technology and hardware using in this project are introduced in the seco11d chaptel transform methods, especially the wavelet transformation are introdtlced il1 the tl1ird cllapter. ii11age ' s coding methods are introduced in cl1apter four, witll tilem ti1e zero tree method is the el11pl1ases

    第一章給出對水聲通道特性簡介以及圖像信息傳輸的系統框圖、本研究創新之處；第二章介紹圖像處理的基本技術以及本研究的硬體環境；第三章介紹圖像數據的變換方法，著重介紹了小波變換涉及到的知識；第四章介紹圖像編碼，重點介紹了零樹法編解碼；第五章介紹本研究的軟體、硬體設計、對零樹法的具體改變。
  8. The research results are controlled source which has linear or nonlinear variabe frequency scan function and the seismic instruments which match with it, and the method of small group intervals, small offset, much more channels, short array length, high - frequency receivers are applied during the link of data acquisition, and that the techniques of the refraction static correction, the noise suppressing, the high - resolution velocity analysis, the wavelet length compression, the wavelet zero - phase, and the prestack migration should be applied emphasizedly during the link of data processing and interpretation

    研究表明，對于城市活斷層的抗干擾高解析度淺層地震勘探，在數據採集環節應採用具有線性或非線性變頻掃描功能的可控震源和與其相匹配的地震儀器，以及小道間距、小偏移距、多接收道、短排列和高頻檢波器接收的工作方法；在數據處理與解釋環節，要重視折射靜校正技術、噪聲壓制技術、高精度速度分析技術、子波壓縮技術、子波零相位化技術和疊前偏移技術等的應用。
  9. By improving surface condition of parts and one shot seal - off clean room grade, using ultrasonic vapor phase cleaning process, the inner parts of vacuum interrupter get cleaner. movable particles have been diminished by automatic current ageing, power frequency hi - voltage ageing and dynamic high current ageing. as the dielectric strength of clearance in vacuum interrupter improved, the probability of re - ignition in test drops evidently

    通過提高零件表面加工質量，改善一次封排間的真空衛生條件、制定合理的超聲波氣相清洗工藝提高管內潔凈度，採用自動電流老煉、超高壓工頻老煉、大電流動態老煉等工藝進一步消除真空滅弧室內活動性微粒，可提高真空滅弧室真空間隙介質強度，使真空開關投切電容器組的重燃率大大降低，並通過實驗驗證真空開關投切電容器組的重燃率在製造工藝改進後由原來的10 . 7 %降低至1 . 3 % 。
  10. Sunvo company has launched the domestic and international advanced process technologies continuously, and developed hundreds of different types of small - scale, single - slot, multi - slot standard and non - standard ultrasonic cleaners using imported and domestic high - quality components, applicable to bearing parts, automobile parts, magnetic materials, musical instruments, aircraft parts, electroplating parts, optical components, circuit boards, watch components, semiconductors, polyester filtering cores, medical equipment, military products, nuclear industry and precision instruments and so on

    山河不斷引進國內國際先進工藝技術，採用進口及國內優質元器件，開發出幾百種規格的小型、單槽、多槽等標準和非標的超聲波清洗機，適用於軸承零件，汽車零部件，磁性材料，樂器零件，飛機零件，電鍍零件，光學零件，電路板，鐘表零件，半導體，滌綸過濾芯，醫療器械，軍工產品，核工業，精密儀器等等行業。
  11. We also select the microchip pic16f877 made by microchip co. ltd as a control chip to realize micro - computer control. this system use three separate channel to find out the " across the zero point " of each back - emf. the program use digital filter to wipe off the pwm interferences and the commutating interferences

    系統中採用三個獨立通道分別檢測無刷電機三相繞組的反電勢的各自過零點，同時在軟體中採用數字濾波以消除其它噪聲干擾，使檢測電路檢測到的反電勢過零點更加準確可靠，實現了對五位置傳感器直流無刷電機的數字控制。
  12. Pr - 6000qzd six trough metal parts ultrasound cleansing system

    六槽式金屬零件超聲波清洗系統
  13. Pr - 4000 series of fully automatic cleaning metal parts ultrasound system

    Pr - 4000系列全自動金屬零件超聲波清洗系統
  14. Nx series ultrasoning system is designed by our compeny, combining with the advantages of foreign and domestic trades. the instrument id mainlu used is single monocrystal silicon sheet, electric parts, lens, hardware and precision mechanical parts

    Nx系列超聲波清洗系統，是本公司結合國外清洗機的特點，精心設計，主要運用於單晶矽片、電子零件、光學鏡片、小五金和精密機械零件等行業。
  15. The main results of this paper are as fellows f 1 ) illtroducing the ultrasonic technology to the rigid measurement, successful1y exploits the practical small intellectualized ultrasonic device of measuring rigidity by applying mechanical technology, electronic technology and computer science 2 ) reading clearcf displaying more various, applying more information, being easiest to accept by user because of adopting liquid crystal display ( lcd ) 3 ) theorizing the mathematical model between the signal of frequency and the rigid value on the device, possessing very importan practical significance 4 ) optimizing the every parts of the device, achieving the goals of lower wastage of energy, smaller, lighter and inexpensive 5 ) taking the measure to reduce the wastage of energy and adopting reasonable management in power supply for the device, making the device skimp more energy, prolonging the life - span of battery 6 ) utilizing the interface of rs - 232, discussing the communication between the ultrasonic device of measuring rigidity and computef, and also forecasting the foreground of advanced exploitation by user

    本文工作的主要成果是： 1 ）將超聲波技術引入零件表面硬度的檢測當中。應用機、電、計算機技術，研製成功較為實用的小型智能超聲波硬度檢測儀2 ）採用lcd （ liquidcrystaldisplay ）液晶顯示，使讀數更清晰、顯示多樣化、信息量多、易於為用戶接受3 ）在理論上建立了該系統的頻率信號與硬度值的數學模型，具有非常重要的實踐意義4 ）對各元器件進行優選，達到低能耗、體積小、重量輕、價格便宜等目的5 ）採取措施降低整個系統的能耗並對系統的供電進行了合理的管理，使其進一步達到低能耗，延長了電池的使用壽命。 6 ）利用rs - 232標準介面，討論了該超聲波智能硬度測量儀與系統機進行通訊以及用戶進行二次開發的前景
  16. At present the manufacture of surface acoustic wave use the technology of the final submicron. a series of the devices of low insertion loss, high q saw rayleigh surface acoustic wave resonators or stws that insertion loss has less than 5db, load quality factor ( ql ) is more than 1000 on the quartz piezoelectric with zero of first temperature factor in the research. these difference frequencies are 60mhz, 280mhz, 739mhz and 1ghz of normal frequency and at also surface acoustic wave. using 1. 25db noise factor amplifier, careful design curcuit, good setting printed curcuit board, and using the 1ghz surface transverse wave resonator as frequency element, researching the low phase noise surface acoustic wave with sideband phase noise near ? 120dbc / hz deviating 1khz on carrier, spurious suppress with 80db

    本研究採用一階溫度系數為零的壓電石英基片上製作出損耗小於5db 、有載品值因素（ ql值）超過1000的一系列低損耗、高q值聲表面波rayleigh波或stw諧振器，頻率分別為60mhz 、 280mhz 、 739mhz和1ghz等不同頻率的高性能聲表面波諧振器。並採用噪聲系數為1 . 25db的低噪聲系數放大器，精心設計電路，優化設計布置印製電路板，用標稱頻率為1ghz的聲表面波諧振器為頻率控制元件，製作出在偏離載頻1khz處的單邊帶相位噪聲近- 120dbc / hz 、雜波抑制達80db以上的低相位噪聲聲表面波振蕩器。
  17. Pr - 6000qzd six trough metal parts ultrasound cleansing system, mainly for electrical parts, compressors, aluminium, iron, copper die - casting pieces, ductile iron disc, gangti, interior, piston ring, hydraulic parts, car wheels, and so on mechanical hardware components, production processes or processing terminals cleansing

    六槽式金屬零件超聲波清洗系統，主要用於電機零件壓縮機鋁鐵銅壓鑄件，球墨鑄鐵件缸體殼體活塞環液壓零件汽車輪等等機械五金零件，生產加工過程工序間或終端的清洗。
  18. Pr - 4000 four shafts series fully automatic cleaning metal parts ultrasound systems, mainly for the electrical, automotive pressure sensors, aluminium, iron, copper die - casting pieces, ductile iron disc, gangti, interior, piston ring, hydraulic parts, compressor parts, etc. mechanical hardware components, production processes or processing terminals cleansing

    四槽系列全自動金屬零件超聲波清洗系統，主要用於電機汽車增壓器鋁鐵銅壓鑄件，球墨鑄鐵件缸體殼體活塞環液壓零件壓縮機零件等等機械五金零件，生產加工過程工序間或終端的清洗。
  19. Fig. 4 visibility observed on 22 feb 2001 at the airport lower figure, and selected temperature profiles obtained with rass upper graphs

    圖4二零零一年二月二十二日在機場觀測所得的能見度下圖，以及利用聲波雷達獲得的氣溫剖析圖取樣上圖。
  20. The four cylindrical loudspeakers surrounding it emit sound waves into the atmosphere. fig. 4 visibility observed on 22 feb 2001 at the airport ( lower figure ), and selected temperature profiles obtained with rass ( upper graphs )

    圖4二零零一年二月二十二日在機場觀測所得的能見度（下圖） ，以及利用聲波雷達獲得的氣溫剖析圖取樣（上圖） 。
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