natural frequency measurement 中文意思是什麼

natural frequency measurement 解釋
固有頻率的測量
  • natural : adj 1 自然界的；關于自然界的。2 天然的；未開墾的；野生的。3 固有的 生來的 天賦的（opp acquired）...
  • 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。
  • measurement : n. 1. 測量，計量，量度。2. 份量，尺寸，大小，寬度，厚度，深度（等）。3. 測量法。 measurement goods （按體積、容積計算的）體積貨物。
  1. Supported by heilongjiang province natural science foundation projects " research on the errors mechanism of time division a. c. power measurement " ( no. e9719 ), " research on theory of analog digital mixed sampling power energy measurement " ( no. e01 - 15 ) and foundation for university key teacher by the ministry of education " the research on the low audio frequency a. c. power measurement smart instrument " ( no. 1087 ), in this dissertation it is made that a systematic and deep study on power measurement model errors and instrument errors about analog sampling, digital sampling and mixed sampling measurement, and fully experiments about mixed sampling measurement

    本學位論文在黑龍江省自然科學基金資助項目「時分割交流功率測量原理誤差產生機理的理論研究」 （編號： e9719 ） ， 「模擬數字混合採樣功率與電能測量的理論研究」 （編號： e01 - 15 ）和教育部高等學校骨幹教師資助計劃項目「中頻電功率測量智能儀器的研製」 （編號: 1087 ）的資助下，以電功率模擬采樣測量、數字采樣測量和混合採樣測量方法為對象，對電功率測量的原理誤差和儀器誤差進行了系統和深入的理論研究和有關的實驗研究。
  2. Abstract : it is the first time to use powder damping technique in reducing the vibration and noise of cold saw clamp. through measurement and analysls of the noise reduction effects and frequency spectrum, it is found that powder damping is a simple and practical technique, and influences on the strength and natural characteristics of the clamp are small

    文摘:把粉體阻尼技術首次用於冷鋸機夾盤的減振降噪，通過對其降噪效果及頻譜的測量分析，發現粉體阻尼不但是一種簡單實用的技術而且對夾盤的強度和固有特性影響小。
  3. Model test analyses and natural frequency measurement methods of large turbo - generators on stator end windings and evaluation criteria

    大型汽輪發電機定子端部繞組模態試驗分析和固有頻率測量方法及評定
  4. Natural frequency measurement

    固有頻率的測量
  5. Data acquisition, analysis and processing are integrated in structural vibration measurement and analysis system including frequency spectrum, correlation and power spectrum analysis of time signals of testing positions. the total structural behavior is constructed and structural mode shapes, whose natural mode is known, are decomposed and monitored

    結構振動測試分析系統集數據採集、分析、處理為一體，其中包括對結構測點時域信號的頻譜分析、相關分析、功率譜分析，同時還由結構測點處時域信號構建了結構的整體性態，在此基礎上對固有振型已知的結構進行振型分解並監測。
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