wave spectrum 中文意思是什麼

wave spectrum 解釋
波長光譜
  • 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...
  • 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. Application study on low - voltage power line carrier wave spread spectrum communication system

    低壓電力線載波擴頻通信系統的應用研究
  2. High frequency ground wave radar for near ocean inspection and ocean remote sensor is a method that use ocean echo wave dopier spectrum to deduce the parameters of ocean situation

    高頻地波雷達近海監測和海態遙感技術是一種利用海洋回波多普勒譜反演海態參數的方法。
  3. The program includes the infrasonic signal data acquisition of three channels, 3 - d dynamic spectrum analysis, correlation analysis of 3 channel infrasonic signals, the calculation of wave direction, the wave speed, the spectrum analysis at any length and a real - time infrasonic gravity wave pressure - time ( p - t ) curve

    本程序支持3路次聲波傳感器信號的數據採集、動態譜分析及次聲信號的相關分析、能計算波源的方位角、波速以及任意時間段的譜分析，並實時給出次聲重力波的壓力?時間曲線（即p ? t曲線） 。
  4. The thesis analyzes the transmitting characteristic of the uwa channel, derives the propagation losses, eigenrays and channel impulse responses of uwa channel by use of the kraken normal wave mode and the ray trace algorithm based on velocity - depth curvilinear profile approximation. based on the analysis, a scheme of auto - replying lduwarc system by means of spread spectrum technique has been designed

    論文首先分析了遠程聲遙控通道傳輸特性，分別利用kraken簡正波和射線跟蹤模型對深海和淺海水聲通道的傳輸特性進行分析，對通道的多徑結構、衰落和環境噪聲進行了計算，並在此基礎上設計了基於擴頻技術的自主應答式遠程聲遙控系統方案。
  5. Analysis of the electromagnetic properties of the radome by plane wave spectrum method based on the gauss integration

    基於高斯積分的平面波譜法分析天線罩電性能
  6. Venation wave spectrum analysis finds out shape - structure change of mid - frequency signal fluctuation

    脈絡波譜圖分析查明了中范圍（頻率）信號波動的形態結構變化。
  7. The vector - based plane - wave spectrum method ( vpws ) is improved, which can directly obtain the far field diffractive pattern depending on the output near field data in the bor fdtd meshes by use of the deduced formulas in this dissertation

    改進了平面波譜傳播演算法（ vpws ） ，推導出的公式可以由borfdtd計算空間內的近場輸出數據直接計算出遠場的電磁場分佈。
  8. Finally, the paper introduces the test of wave simulation by wave - making system that has improved. the test data indicate that it is able to competent at wave simulation of sea wave spectrum for shipmodel test, we have changed the situation that the wave - making system ca n ' t simulated sea waves. and have established the foundation for the quality of improving the scientific research of our school and experiment teaching further

    最後，本文介紹了對改造后的造波系統進行波浪模擬測試情況，試驗數據表明，該造波機經過升級改造，完全可以勝任對船模耐波性試驗所要求的海浪譜的模擬，並且還可以根據需要模擬任意的海浪譜，模擬精度達到試驗要求。
  9. This paper applies ittc single - parameter ocean wave spectrum to simulate a random long - crested ocean wave according to statistics superposition theory and real - time simulate disturbance on the ship by random wave. it simulates roll and pitch of the ship in random wave in the time domain and gains roll angle ( t ) and pitch angle ( t ) signal of ship rolling movement

    本文根據統計疊加理論，採用ittc單參數標準海浪譜模擬模擬實際的長峰波隨機海浪，進而實時模擬長峰波隨機海浪對船舶的隨機擾動，對船舶在海浪中的橫搖和縱搖運動進行了時域模擬，得到船舶搖蕩運動的橫搖角信號（ t ）和縱搖角信號（ t ） 。
  10. Finally, near - field microwave imaging methods are studied. combining near - field measurement and target geometrical shape, a new near - field microwave imaging approach by plane - wave spectrum is produced. synthetic plane - wave technique and near - field imaging is studied, simulation results of this approach are given

    把近場散射測量和目標幾何外形相結合，提出了利用平面波譜展開進行近場微波成像的新方法；對綜合平面波技術和近場微波成像作了研究，並對這一成像方法作了模擬。
  11. Using the above relations, this paper has compared several wave spectrum formular with actual spectrum, and the result is satisfactory

    同時用上述關系式對目前工程上常用的幾種海浪譜計算公式進行了對比分析，並與實測譜進行了比較，結果表明所得關系式與實際擬合良好。
  12. Part ii : a third possible mechanism for the effect of nonuniform current on short waves is suggested, which ascribes the modulation of short wave spectrum by current to that the current changes the drift, through which it changes the breaking criteria, as a result the energy dissipation is altered

    第二部分:本文提出非均勻流場影響短波譜的第三個可能機制:非均勻流場通過對表面漂流的調制，改變風浪破碎的閉值條件，進而改變破碎損耗，從而調制海面小尺度粗糙度。
  13. In this paper, we present the basic principle of dual flap wave - maker and the producing of driving signal firstly, and then the influence of two distinct fft methods with the same wave signal to the primary parameters of wave spectrum

    摘要敘述了採用雙搖板造波系統的基本思想及雙搖板造波信號的生成，並分析了同一波浪信號用不同譜分析法對所得主要譜參數的影響。
  14. The theory, methodology and software for the retrieval of ocean wave spectrum from satellite synthetic aperture radar ( sar ) images using hasselmann ' s method are introduced in this thesis

    本文系統介紹了利用hasselmann方法從衛星sar海表圖像反演海浪方向譜的理論、方法、軟體以及在中國海的印證。
  15. The propagation of electromagnetic waves in tube by plane wave spectrum

    平面波譜法分析電磁波在管道中的傳播
  16. Because the characteristics of frequency domain is slightly affected by the coupling state and only related with the defects by revising of the system, the technology of ultrasonic wave spectrum analysis is necessary tool for quantity or automatic testing

    由於頻域特徵受耦合狀態等的影響較小，且經過系統修正後，能夠做到頻域特徵僅與缺陷有關，因此超聲波頻譜分析技術是超聲波定量檢測或自動檢測不可少的工具。
  17. Comparison of amplitude vector method and half - wave spectrum method to analyze grating diffraction

    振幅矢量法與半波帶法分析光柵衍射的比較
  18. By 1 - d fourier transform, we could analyze wave spectrum and get wave speed by computing phrase shift, then calculate the velocity of the wind, so we can avoid the problem of " sub - pixel motion "

    使用傅立葉相位分析法，對示蹤雲進行頻域波譜分析，由諧波的相位變化計算波速，繼而得出風速，能夠避免「亞像素尺度位移」問題，提高導風的精確度。
  19. The problem is that the search has been restricted to the thin sliver of the radio - wave spectrum in which an alien beacon seems most likely to appear

    問題在於這種搜尋被限制在最有可能出現外星人信息的狹窄的無線電波譜上。
  20. By using random wave theory and directional wave spectrum, a matlab - platformed program is designed to simulate random wave crests for various directional spectral conditions in deep water

    在此基礎上，利用臨界值對波面進行切割，得到位於臨界值以上的三維波峰。
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