revolution frequency 中文意思是什麼

revolution frequency 解釋
繞轉頻率
  • revolution : n 1 革命；劇烈的變革。2 回轉，繞轉，旋轉；轉數；周期；一轉；【天文學】運行，周轉，公轉。n ism 革...
  • frequency : n. 1. 屢次，頻仍，頻繁。2. （脈搏等的）次數，出現率；頻度；【物理學】頻率，周率。
  1. Multiple frequency cw radar is regarded as a great revolution to the structure of traditional ranging radar

    基於數字化技術的多頻連續波測距雷達是目前測距雷達體系結構的一次比較大的革新。
  2. Electrical parameter includes voltage, current, power, frequency, power factor, and so on. the adjustment system of electrical network needs many panel instruments that can show the electrical parameter, such as voltage, current, power, cycle etc. tjsually these instrument is not accurate, wastes manpower resource, and the management of the data is inconvenient and easy to mistake. recently the development of micro - electronics technology and the advent of slsi. especially the advent of singlechip, lead to a new revolution in the field of instrument

    電工參數一般包括電壓、電流、功率、頻率、功率因數等。在電網調度自動化的設備中需要配置多隻測量顯示上述電工參數的鑲嵌式面板表，如電壓表、電流表、功率表等等，其一般均為指針式面板表，精度低，可視距離近，數據需要人工抄錄，浪費人力資源，數據管理不便，容易出錯。
  3. The direct digital frequency synthesis ( dds ) is a kind of new frequency synthesis method and also a revolution in the frequency synthesis techniques. with the development of digital integrated circuits and microelectronic techniques, dds exhibits its advantages day by day

    直接數字頻率合成（ dds ? digitaldirectfrequencysynthesis ）是一種新的頻率合成方法，是頻率合成技術的革命，隨著數字集成電路和微電子技術的發展， dds技術日益顯露出它的優越性。
  4. The change of the revolution of compressor by using the frequency conversion technology while the outside burthen alters, enables that refrigerant discharge changes along with the alteration of head load, and therefore refrigerating capacity will change respectively so that refrigeration system can match the variety in heat load

    在外界負荷變化的時候通過變頻技術改變壓縮機的轉速，使製冷劑流量隨著負荷的變化而變化，從而改變系統的製冷量，達到製冷系統與負荷變化的匹配。
  5. The factors which affect load frequency characteristics are dissected in this thesis. frequency characteristics of constant revolution controlled load 、 synchronous motor dragged load 、 asynchronous motor dragged load and their effect to dynamic frequency characteristics are analysed. conclusion is reached as : increasing the efficiency of asynchronous motor can recede its slip and improve dynamic frequency characteristics

    論文深入分析了影響負荷頻率特性的因素，分析了恆轉速控制工具機、同步機拖動工具機以及異步機拖動工具機的頻率特性和它們分別對系統動態頻率過程的影響，得出了恆轉速控制工具機對系統動態頻率不利；提高異步機的效率可降低其轉差率，從而改善系統動態頻率特性的結論。
  6. Alc can be connected ; revolution, speed and pressure can be adjusted by touchable screen and plc program as required. can be driven by ac frequency conversion electric machine

    根據用戶要求，可與alc （頻率監控儀）的連接，可以採用觸摸屏與plc程序控制，可以採用交流變頻電機驅動。
  7. The third generation of mobile communications ( 3g ) is a great revolution in the history of mobile communications, which can provide multimedia service to the mobile users with very high frequency efficiency

    第三代移動通信（ 3g ）是移動通信發展史上的一次重大革命，它將以很高的頻譜利用率向移動用戶提供寬帶多媒體業務。
  8. Its frequency is an integral multiple of one-half the classical frequency of revolution of the electron in the bound orbit.

    其頻率為在束縛軌道上電子旋轉的經典頻率之半的整數倍。
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