用倒數式計時 的英文怎麼說

中文拼音 [yòngdǎoshǔshìjìshí]
用倒數式計時 英文
count down
  • 用 : Ⅰ動詞1 （使用） use; employ; apply 2 （多用於否定: 需要） need 3 （敬辭: 吃; 喝） eat; drink Ⅱ名...
  • 倒 : 倒動詞1 （人或豎立的東西橫躺下來） fall; topple 2 （事業失敗; 垮臺） collapse; fail 3 （嗓子變低...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 計時 : reckon by time; timing; chronography
  1. After analysis of the parameters of the devices, a conclusion is achieved that we can directly use the parameters of the dampers instead of devices to design the buildings in the common situation. then a one - freedom modal is used to compare the differences of performance between these two dampers under harmonic load. finally, three buildings, which are installed with viscoelastic dampers, viscous dampers and no dampers respectively, are analyzed using finite element method, time history method and response spectrum method, and the result is the same as that of harmonic analysis

    如果支撐剛度較小，應採用本文推倒的公式計算阻尼裝置的性能參數；利用單質點模型進行阻尼結構在簡諧荷載作用下的性能分析，並比較了粘彈性與粘滯阻尼結構在振動控制方面的性能差異；最後利用數值方法分別對未安裝阻尼裝置結構，安裝了粘彈和粘滯阻尼裝置的三種結構進行了反應譜和時程分析，得到了與理論分析一致的結果。
  2. The first part of the paper is designing the testing project for grounding resistance and insulation resistance in a new way. using 16bits ad converter with programmable control amplifier replaced the way which used changing resistance to change measure range. lt is not only improved testing precision and develop the system expediently, but also reduced the area of the circuit boardwith the new way. in order to make the electric implement safety testing system have upstanding expansibility, the software and hardware of the system adopted the modularization design. adopted mcu atmegal28 as a master mcu which control mmi, realtime clock and communication with slaver mcu. atemga8 as the slaver mcu to realize testing function. so it is easy to add or reduce the testing project. the testing implement system has been developed successfully, and the comments for the system is that it has high precision, high expansibility and easy maintain. but considering the electric implement system should have intelligence and humanity abi lity. so this paper bring forward a scheme of electric equipment safety testing embedded system with speech control. after introduce the basic theory of speech recognition, the paper expatiate the characters of this system. the system is a noise conditon, not special people, small glossary, insulation word system. with these characters design the speech recognition as fellow. utilizing cross zero ratio and short energy to ensure jumping - off point and end point ; adopting mfcc as the character parameters of speech recognition ; the character parameters than be recognized by dtw. in order to ensure the credibility of this project, first realized by matlab in computer

    在介紹了語音識別的基本原理后，闡述了本系統的特點：本系統是一個噪聲環境下非特定人、小詞匯量、孤立詞的語音識別系統。根據本系統的這些特點設計了如下語音識別方案：利用過零率和短時能量相結合的方式確定語音端點；採用mel頻率倒譜系數（ mfcc ）作為語音識別的特徵參數；得到的特徵參數最後通過動態時間規整（ dtw ）的模式識別方法進行識別。為了確保本系統實現方案的可靠性，首先通過計算機利用matlab軟體來模擬，在演算法模擬實現后又進一步增加環境的復雜性：加上較大的環境噪聲、突發性的噪聲等，再通過修改參數、修改參考模板、兩級識別等各種提高語音識別精度的方法來提廣東工業大學工學碩士學位論文高識別率。
  3. And here we can see that for many problems the man hours involved in terms of changing the data formats and bringing up the different software tools and trying to see what the data is saying, that ' s the overwhelming percentage, and breakthroughs there would have incredible leverage, even beyond just the part about the computational modeling

    而且在這里我們能看見有數許多問題男人小時之久積極叄與的在變更數據格式而且提出不同的軟體工具而且嘗試看見什麼數據正在說的術語，那是壓倒性的百分比，而且突破性的發展在那裡會有難以置信的杠桿作用，甚至超過有關計算的靠模切的只是部份。
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