wave group spectrum 中文意思是什麼

wave group spectrum 解釋
波群譜
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪；碎浪； 〈the wave（s）〉 〈詩〉海。2 波動；波狀...
  • group : n 1 群；批，簇。2 集團，團體，小組。3 【化學】基，團，組；（周期表的）屬，族。4 （雕塑等的）群像...
  • spectrum : n. （pl. -tra ）1. 【物理學】譜，光譜；波譜；能譜，質譜。2. 【無線電】射頻頻譜；無線電（信號）頻譜。3. 【心理學】（眼睛的）余像；殘像。4. 〈轉義〉范圍，幅度；（連續的）系列。
  1. 9. the extraction of nitric acid with tibopda and tbopda causes great shifts for the absorption peaks of both carboxyl group and ether group of the complex compound in ir spectrum. for the complex compound of eu, u and th, graet shift occurs only in the wave range of carboxyl group. the ethe

    本工作中求出的np （ v ）在低酸下歧化平衡常數未見文獻報道，對iaf料液中的鋒在調價後用加入尿素的辦法將其穩定在不易被草取的五價，在
  2. When the pulse width of input gaussian wave packet was reduced and the length of forbidden region retained, the result displayed the output signal distorted seriously and its spectrum changed very hard. a frequency above the cut - off frequency became the main frequency and the group velocity was below than c

    在保持截止區長度不變，而減小輸入高斯波包的脈沖寬度時，模擬顯示輸出波形嚴重失真，而且，頻譜也發生很大的變化，主頻已變為一高於截止頻率的頻率，群速度小於光速c 。
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