peak to peak time 中文意思是什麼

peak to peak time 解釋
峰間時間
  • peak : vi 1 瘦弱；消瘦，憔悴。2 減少，縮小 （out）。n 1 山峰，山頂；孤山。2 （胡須等的）尖兒；尖端。3 最...
  • to : adv 到某種狀態；〈特指〉到停止狀態；關閉。 ★也常和動詞結合，略去其後賓語，而構成成語： The door i...
  • time : n 1 時，時間，時日，歲月。2 時候，時刻；期間；時節，季節；〈常pl 〉時期，年代，時代； 〈the time ...
  1. The welding technology of francis turbine runners is optimized from the view of subsection welding and local heating by numerical simulation. the result shows that welding residual tensile stress appears in the weld and its area nearby, and peak stress appears in the dangerous area of blades after practising quondam welding technology ; welding residual tensile peak stress in the dangerous area of blades can be decreased by welding both ends earlier and then welding middle section later during subsection welding, and decreasing effect on welding residual stress of the subsection welding is related to the weld length of blade outlets and welding direction of each subsection ; decreasing effect on residual stress of the local heating is direct proportional to heating time, heating temperature, heating area, and inversely proportional to cooling area, and welding residual tensile peak stress in the dangerous area is decreasing trend earlier, and then increasing trend later with heated location increased

    本文利用數值模擬手段對轉輪的焊接工藝從分段焊和局部加熱兩個方面進行了優化，結果表明:採用普通工藝焊接時，葉片焊后殘余拉應力出現在焊縫及其附近區域，並且在葉片出水邊的熔合線附近（危險區域）出現了峰值;在採用優化的分段焊時，先焊兩端后焊中間的方法可以降低葉片危險區域的焊接殘余拉應力峰值，降低效果與葉片出水邊焊段長度、焊縫各段的焊接方向有關;局部加熱法降低轉輪危險區域殘余應力的效果主要與加熱時間、加熱溫度以及加熱面積成正比，與冷卻面積成反比，並且危險區域的殘余應力隨加熱區域的增大呈先降低后升高的趨勢。
  2. The peak period of time from work to broadway street station packed with the crowd

    下班時刻的高峰期讓建國門外大街的公車站擠滿了人群。
  3. They have undergone systematic and intensive trainings before the event, which enabled them to beat their counterparts from 12 other companies with perseverance and esprit de corps, completing the 50 km hong kong trail from the peak to big wave bay in the best of time

    贊助，該公司更派出其員工聯同富城集團100名義工前往各物業的長者住屋派發福袋，並與各長者玩游戲及唱歌，共同渡過溫情洋溢的時光。
  4. When the governing valve was series - connected on the return oil - line in the metering - out control system, under the same flow area and the same adjusted pressure of relief valve, with the incremental quantity of step load, the pressure highly - adjusted capacity of the hydraulic cylinder chamber with piston - rod increased, meanwhile, it ' s time of rise, time to peak and the governing time all increased. at the same time, the pressure highly - adjusted capacity of the hydraulic cylinder chamber without piston - rod increased

    當出口節流調速系統的回油路上串接調速閥時，隨階躍負載的增加，在相同流量閥開度、相同溢流閥調節壓力的情況下，液壓缸有桿腔壓力p _ 2 （ t ）的超調量是增加的，上升時間、峰值時間以及調整時間也是增加的；液壓缸無桿腔壓力p _ 1 （ t ）的超調量是增加的。
  5. The majority of the vaccines under the givp will be given this month and in december to allow time for the target groups to build up immunity against influenza before the usual seasonal peak around january to march

    政府計劃於十一及十二月為大部分接種對象提供注射，讓他們在一至三月的傳統流感高峰期來臨前，有足夠時間建立個人的免疫力。
  6. After analyzed the basic principle of optimized noise reduction on tyre pattern, summarized three approaches to noise reduction. the first is trying to reduce size of single block or socket to reduce noise amplitude on time domain, the second is to adjust stripes sorting order and their interlace value to avoid noise - made by every single block - peak values on time domain overlayed and the last is to adjust ratio of blocks and sockets, ratio of stripe interval and stripe sorting order to avoid noise periodical distribution and abnormal high peak values in some frequency strip

    論文第四章分析了輪胎花紋優化降噪的基本原理，總結出三條降噪途徑：在允許范圍內盡量減小單個塊或槽的大小、刻刀槽軟化花紋塊來減小噪聲時域波幅度；調整節距排列順序、花紋條之間的錯位值，使各發聲單元發出的聲壓時域波形的同向峰值錯開，避免同向峰值疊加；調整花紋塊和槽比例、節距比例、節距排列順序，盡量避免周期性分佈，使輪胎所發出的噪聲趨于白噪化，避免某些頻段的異常高峰值。
  7. In the five key factors of solder ball alloy, solder paste alloy, peak temperature, the time above liquidus and soldering environment, the fore four factors are more important than soldering environment to the solder joints reliability

    在焊球合金、焊料合金、峰值溫度、液相線以上時間和焊接環境五個關鍵因素中，前四項對焊點可靠性比較重要，焊接環境對焊點可靠性的影響不很顯著。
  8. According to the study of bass equation, it described the distribution features of incubation time, studied the relations between diffusion rate and the coefficient of innovation and imitation, and the time to peak sales and the point of inflection of diffusion function and the maximum diffusion rate

    通過對bass方程的分析，描述了技術創新擴散的生長曲線方程，探討了技術創新擴散率同創新系數和模仿系數的關系以及銷售峰值的到達時間和最大擴散率等醞釀期的擴散特性。
  9. Marvelous all - english introduction accompanied by attractive pictures of scenic spots pushes the atmosphere to the peak time and again

    精彩絕倫的全英文介紹，引人入勝的景觀圖片將現場推向一個又一個高潮。
  10. Frequency - domain equalization. at the same time discusses some key problems in ofdm : high ratio of peak - to - average power of output signals, problem of synchronization, channel estimation, adaptive bit, power and subcarrier allocation. emphasize on channel estimation, and present a new algorithm which can filtering more interpolation errors and noise. for the sake of improve the performance of resist narrowband noise and make efficient use of the spectrum apply malvar wavelet division

    同時就ofdm系統中的一些關鍵問題如峰值平均功率比（ papr ）太高，同步問題，通道估計，通道、比特與功率必須動態分配進行了研究，著重研究了通道估計問題並提出一種改進的方法，能濾除更多的噪聲分量和插值誤差，提高系統的性能；為了提高抗窄帶噪聲的性能和提高通道利用率，用malvar小波變換實現了不等帶寬分配。
  11. In the end, a new reliale indicator, energy peak, is found to used to estimate damage. its three parameter : peak time, peak frequence and peak power are also evaluated. this study improves monitoring equipment in intelligence, low power dissipation and security

    作者最後利用脊髓在受不同程度損傷下的脊髓誘發電位的時頻分布圖，比較時頻分佈和時域上的各參數的變化，找到了新的損傷判定的特徵指標：峰值能量，及其三個參數:峰值時間、峰值頻率和峰值功率。
  12. The ' peak time of alloy made by mlsd is 6 hours shorter than as - cast alloy, and the peak strength is up to 420mpa

    多層噴射沉積a卜s一cz mg合金的峰時效時間較鑄態合金提前約6小時，峰值強度為420mpa ， as 361
  13. Finally, tissue - deried doppler - deried dyssynchrony index was measured according to time to peak systolic contraction of eight left entricular segments supporting the papillary muscle

    最後，利用多普勒測量從收縮末期至舒張末期支持乳頭肌的8個心肌層面的不一致指數。
  14. Ian wright ' s unfit kids is a peak - time series that sees the arsenal legend ambitiously attempt to improve the health of eight out - of - shape north london teenagers

    前阿仙奴得分王伊恩胡禮這次不談足球，反而主力為倫敦八名超重兒童鍛?體能。
  15. Accorded to the experimental research, under different flow area of flow valve and different adjusted pressure of relief valve, conclusion that the regulation of the pressure p1, p2 in the two cylinder chambers varied with the change of step load were as follows : when the throttle valve was series - connected on the return oil - line in the metering - out control system, under the same flow area and the same adjusted pressure of relief valve, with the incremental quantity of step load, the pressure highly - adjusted capacity of the hydraulic cylinder chamber with piston - rod decreased, meanwhile, it ' s time of rise, time to peak and the governing time all decreased. while the pressure highly - adjusted capacity of the hydraulic cylinder chamber without piston - rod increased

    通過試驗研究得出系統在不同的流量閥開度、不同溢流閥調節壓力（進口壓力）下，液壓缸兩腔壓力p _ 1 、 p _ 2隨階躍負載變化的規律：當出口節流調速系統的回油路上串接節流閥時，隨階躍負載的增加，在相同流量閥開度、相同溢流閥調節壓力的情況下，液壓缸有桿腔壓力p _ 2 （ t ）的超調量是減小的，上升時間、峰值時間以及調整時間也是減小的；液壓缸無桿腔壓力p _ 1 （ t ）的超調量是增加的。
  16. Rating peak of tv in evening, to transmit time will it be one o ' clock and afternoon morning newspaper, quantity issued of newspaper very heavy, to it reads to be very extensive effectively newspaper

    電視的收視高峰在晚上，報紙的發報時間是上午十點和下午四點，報紙的發行量又很大，報紙的有效閱讀是很廣泛的。
  17. Brand, scale and profession meeting : as the most influencial in a great scale meeting, 2008 east china international waleng exhibition continue to focus on the packing peak time of buying at the first monthes of the year, the square will be up to 20000 m2, has more than 300 companies to take part in the exhibition. this will be the biggest, highest level, the most professional and influencial internaitonal waleng industry meeting in east china in 2008

    品牌、規模與專業化盛會：作為2008年度中國.華東地區極具規模及影響力的盛會，華東國際瓦楞紙箱展2008年繼續鎖定紙品包裝企業年初采購高峰時段，屆時展出面積預計達2萬平方米，參展企業300多家，這將是2008年度華東地區規模最大、檔次最高、專業性最強、最具影響力的國際性專業瓦楞行業盛會。
  18. At the same time, a simple channel estimator that can suppress the peak - to - average power ratio ( papr ) for ofdm system with multiple transmitter antennas is proposed, its simulation proves again the result. ( 5 ) ofdm receiver is proposed with multiple transmitter antenna and alamouti scheme

    結果表明，多個獨立天線ofdm系統的性能明顯優于單天線的ofdm系統；同時還給出了一種簡單的能有效抑制峰值功率平均功率比（ papr ）且適于多發射天線ofdm系統的導頻符號輔助的通道估計方法，模擬結果再次證明了上述結論。
  19. As far as the choice of the 1c is concerned, the pfc and pwm controller combo that is popular at the present time is chosen, because it can simplify designs and being synchronized trigger mode adopted, it can make peak to peak ripple voltage much small even on the condition of small capacitance

    在功率因數校正晶元的選擇上，選用了國際上比較流行的pfc pwm復合晶元，這種晶元不僅可以簡化設計，而且由於採用上升沿下降沿觸發方式，在輸出濾波電容很小的情況下依然可以得到很小的電壓紋波。
  20. Space - time block codes ( stbc ) based on orthogonal design has attracts enough attentions in its applications in mimo - ofdm systems for its full diversity exploiting and low coding / decoding complexity. these applications include not only system performance improvement, but also reduction of the peak to average power ratio in mimo - ofdm systems. under these backgrounds, this paper first studies space - time block codes under the single carrier, flat fading situation, discusses the encoding / decoding principle and its performance under different channels. then, the author focused on the performance of space - time codes under time selective and frequency selective channels, uncovered the fundamental cause of how maximum doppler shift and power delay profile influences the performance of space - time codes through deduction and simulation

    在上述背景下，本文以單載波，平坦衰落通道下的空時分組碼為切入點，深入分析了其編譯碼原理和在不同通道情況下的性能;以此為基礎，後文展開了對空時分組碼在多載波，時間選擇性和頻率選擇性衰落通道下的性能研究，通過理論推導和充分的模擬，揭示了空時/頻分組碼在時頻選擇性衰落通道中的性能變化的根本原因;在以上對多載波系統中空時分組碼的研究的過程中，作者發現了空時分組碼在降低系統峰平比方面應用的可行性，提出了一種降低峰平比的新方法。
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