頻率的倍減 的英文怎麼說

中文拼音 [bīnlǜdebèijiǎn]
頻率的倍減 英文
demultiplication of frequency
  • 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...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 的 : 4次方是 The fourth power of 2 is direction
  • 倍 : Ⅰ名詞（跟原數相同的量） times Ⅱ形容詞（加倍） double; twice as much
  • 頻率 : frequency; rate
  1. The influence of various waterpower and configuration parameters on heat transfer is analysed and the rules of convective heat transfer coefficient and the ratio of heat transfer enhancement with mass flux are obtained. at the same time, we gain important results as below : as for resonance chamber with certain configuration, self - oscillation can be generated under suitable configuration and waterpower parameters. for the same configuration resonance chamber, the intensity of the self - oscillation is changed by the waterpower parameters

    當流量及壓差降低至一定程度時，共振腔還可能削弱換熱；加熱功率的提高會增加流體（水）的溫度，流體的粘度會隨著降低，這會減少對流體脈動的阻礙，使脈動衰減得更慢，而脈動幅度的增加會增強換熱，故加熱功率對有脈動的對流換熱是有影響的；自振腔產生的流體脈動頻率是自振腔固有頻率或其整數倍，流體脈動頻率過高或過低都不利於對流換熱，存在一有利於強化換熱的頻率范圍。
  2. After that, it discusses the principle of the band - pass technology, illuminating the feasibility of the digital intermediate frequency system based on the sampling speed which is two times lager than the signal band but unsatisfying the nyquist theorem

    隨后討論了帶通采樣技術的原理，說明可以使用不滿足奈奎斯特低通采樣定理但大於信號帶寬兩倍的采樣速率進行中頻數字化，減輕基帶處理負擔。
  3. Phase lock and multiple frequency circuit diminishes the influence from frequency fluctuation of electric net ; in addition, multiple channels simultaneous sampling, high - precision circuit decreases the error caused from the sampling tache

    用鎖相倍頻跟蹤電路來提供采樣頻率，以減少頻率波動的影響，用多路同採的高精度采樣電路來減少採樣環節引入的誤差。
  4. A protection algorithm can be judged as having strong capability of anti interference if it can eliminate decaying direct current component and high harmonic whose frequency is not the integer times of system base - frequency

    摘要能否濾除非系統頻率整數倍的諧波和衰減的直流分量是衡量保護演算法抗干擾能力的重要特徵。
  5. It has the following four features : 1. reduce starting and stopping impact, travel smoothly ; 2. the lifting speed can be designed at random in the range of 1 / 8 rated speed ; 3. to improve work efficiency, the lifting speed with no load can be set at random between the rated speed and 1. 5 times the rated speed ; 4. to change the frequency of the motor through transducer and make the motor work with slow speed in order to improve its site accurateness

    該產品具有以下四個特點： 1 .能減小啟動、停止時的沖擊，具有平穩運行的性能； 2 .能按需求設定起升速度，可在1 / 8額定速度之間隨意設定； 3 .能提高工作效率，在空載下，起升速度可在額定速度到1 . 5倍額定速度之間設定； 4 .可以通過變頻器對運行電動機進行變頻控制，從而使運行電動機微速運行，提高運行定位的準確性，還可以進行點動操作。
  6. The vibration resistant performances of the parts that made o f pc are five times higher than that of casting iron, but weight is o ne third of it at the same volume. the thickness of the sfpc parts can be increased if the weight is equal. this would make natural fr equency and the amplitude of vibration reduced and improve the dy namic characteristics of a machine tool

    用此種材料製造的部件，從減振性能來看，超過鑄鐵的5倍，相同體積下重量只有鑄鐵的1 3 ，在不增加其重量的情況下，壁厚可增大，使固有頻率提高，共振振幅減小，靜動剛度提高，改善了機床的動態性能。
分享友人
分享到 Line

分享到臉書