cosine wave 中文意思是什麼

cosine wave 解釋
餘弦波
  • cosine : n. 【數學】餘弦。
  • 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...
  1. Let's now examine the simplest wave form where the profile is a sine or cosine curve.

    現在讓我們來考察最簡單的波形，它的剖面圖是正弦或餘弦曲線。
  2. Are used in above deduction. therefore it is necessary for us to review the basic concepts of quantum mechanics and relativity from the deflection notion of analytical space - time so as to get a profound math expression - space - time wave function stwf to link relativity up to quantum mechanics. assuming that one plane cosine wave travels along

    因此，我們有必要從解析時空理論的時空偏轉原理出發，對量子理論和相對論的基礎概念重新認識，進而得到更廣泛更深刻並將量子理論和相對論連系在一個方程下的新的數學表達式-時空波函數。
  3. This paper introduces the calculation of the loads of different waves and the combination of sine wave and cosine wave. furthermore, stressing on discussing the corresponding problems of the fem of the whole structure and putting forward the basic principles of building a fleet. taking a fleet for example, the paper discusses the whole response of the fleet and the local response of it according to different load cases

    本文介紹了船舶的波浪載荷計算及按動態載荷法進行載荷分量組合，而且研究了結構有限元模型的有關問題，給出了結構的模型化原則；本文以一條051艦為例，討論了不同的工況下整船艦艇結構應力的響應以及局部結構的響應。
  4. Based on the method, this dissertation deals with several kinds of signals including cosine wave ( cw ), linear frequency modulated ( lfm ) and multi - component signal, furthermore the systematic comparison of estimation effect among cwt and several other usual methods as well cramer - rao bound ( crb ) is given

    基於上述方法，文中分別對單頻矩形脈沖信號、線性調頻脈沖信號以及多分量信號進行了瞬時頻率估計，並與其他幾種常用瞬時頻率估計方法的性能以及crb進行了系統比較。
  5. Considering the influence of high evanescent modes, we have obtained the common theory. by the comparing between theoretical calculation and experimental data, we found the theory can accurately describe the high - frequency characteristic of this kind of slow - wave helical groove structure. then, five representative shapes are chosen and researched particularly ( triangle shape, cosine shape, trapezoid shape, rectangular shape and swallow - tailed shape )

    主要工作成果和創新之處在於: 1 .通過考慮高次模式的影響，獲得了一種更為精確分析任意槽形螺旋槽結構的普遍理論，經與實驗測量值比較，發現它更能準確可靠地描述此類螺旋慢波結構的高頻特性，然後詳細研究了五種槽形狀（三角形槽、餘弦形槽、梯形槽、矩形槽和燕尾形槽）對螺旋槽慢波系統導波特性的影響。
  6. The other is the local cosine bases developed as a kind of orthogonal basis based on the fourier analysis and wavelet - packet theory. in this thesis, theoretical analysis and numerical applications are mainly focused on the beamlet - domain wave field extrapolation using g - d frame propagators. the whole thesis consists of six chapters

    通過對具體信號的分析，對不同變換方法的信號表示效率進行了對比，並總結了g - d框架及對其進行尺度擴展組成的gabor函數族在應用於波場相關的研究中時，優于其它正交分解方法的特性。
  7. Abstract : a method by using 8031 single - clip microprocessor to get the syntonical bit information is presented, based on the characteristic of the modulated singal in ascending cosine envelope. the timer is locked at the maximum of the wave peak. the experiment results indicate that this method is feasible for 2 400 bps system

    文摘:利用升餘弦包絡調制信號的特點，即基帶信號為升餘弦波，接收端可以利用這一包絡，從中提取定時信息.提出了一種將時鐘鎖定到包絡峰值最大點的單片機實現的方法，從而完成了在接收端正確提取定時信息的任務
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