正弦掃描 的英文怎麼說
中文拼音 [zhēngxiánsǎomiáo]
正弦掃描
英文
sine sweep-
The outputs of tests on the thin plate under different inputs have been investigated for testifying the system. different solutions have been compared according to the frequency - spectrum characters and structure modal parameters. it is indicated that the solutions in this paper are consistent with the solution of the fea methods
以薄鋼板為實例,探討了不同激勵條件下,包括正弦穩態激勵、正弦慢掃描、單次錘擊和隨機錘擊激勵,薄鋼板振動系統的響應情況,以頻譜特性和模態參數為參考,將各種方法的求解結果作了比較,結果表明:本系統得出的結果與有限元解具有一致性。The wrap - up ratio is the ratio of the sine of the maximum scan angle to the percentage change in frequency required to scan
綜合比率是最大掃描角的正弦與所需的頻率變化百分率之比。
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