wave source 中文意思是什麼

wave source 解釋
波源
  • 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...
  • source : n 1 源頭,水源,源泉。2 根源,本源;來源。3 原因;出處;原始資料。4 提供消息的人。5 血統。vt 〈美...
  1. The pre - seismic and post - seismic stress direction can be statistically determined by a large collection of foreshock and aftershock focal mechanism data while the stress drop can be determined through the source fracture inversion from seismic wave data or crust deformation data

    地震前後的應力方向可根據大量前震和餘震震源機制統計給出;地震應力降可通過地震波或地殼形變資料的震源破裂反演研究得到。
  2. Exploding wires phenomenon is that if the high - density energy is poured into metal wire with small transverse section in a short time from high power pulse source, the metal wire will explode into gaseity and generate significant shock wave. the. fundamental reason of the generated shock wave is the plasma

    爆炸絲現象( explodingwiresphenomenon )是將存儲于高壓電容器中的能量,在極短的瞬間內傾注于很小截面積的金屬絲,使之汽化,產生強大的沖擊波,這種沖擊波產生的根本原因就是等離子體。
  3. Mixers are the key components of many microwave and millimeter - wave systems. the super - heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system. but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave. sub - harmonic mixer is a good solution to this problem now. in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency. in this paper the design and fabricate of sub - harmonic hmic mixers ( 2, 4 ) at w - band are introduced

    混頻器是微波通信、射電天文學、雷達、等離子物理、遙控、遙感、電子對抗,以及許多微波測量系統中至關重要的部件。在現代通信系統中,毫米波頻段通常採用超外差接收機,混頻器作為第一級就成為關鍵部件。由於在毫米波頻段,同頻段高性能的本振源成本高,技術難度大,採用分諧波混頻技術是解決此問題的有效途徑,只需射頻頻率1 / 2 、 1 / 4甚至1 / 8的本振頻率即可實現混頻。
  4. The wave motion bears the key signature imparted by the nature and extent of the source.

    波動具有由震源的性質和范圍造成的主要特徵。
  5. The experimental result expresses that the frequency doubler - power amplifier sets of ka - band can supply good local oscillation source for " millimeter - wave front - end of " lmds " ". the model has the advantages of low cost, small size and high reliability

    實驗結果表明,倍頻放大組件能夠為lmds毫米波前端提供很好的本振源,並且具有成本低、體積小、可靠性高等優點。
  6. Study on the superposing methods of multi harmonic wave source based on the matlaib power supply system

    的供電系統多諧波源疊加方法的研究
  7. The new general signal source, represented by arbitrary wave generator, is widely used in the mordern testing field

    以任意波形發生器為代表的新型通用信號源,是現代測試領域內應用最為廣泛的通用儀器之一。
  8. Millimeter - wave power source plays a key role in millimeter - wave systems

    但是,目前毫米波功率資源仍是制約毫米波技術在應用系統中的關鍵性瓶頸問題。
  9. Generally, tidal bore is wave alignment moving upstream estuary, and its surface will break when the wave alignment is strong, which leads to water roll tracing the source. the velocity, which is between small - disturbed wave velocities before tidal bore happens and the one after tidal bore happens, increases with the ratio of tidal bore height to the water depth in wave front

    涌潮一般是向河口上游推進的波列,強度大時,表面破碎,進而發展成溯源推進的水滾,其傳播速度隨涌潮高度與波前水深比值增加,大小介於涌潮前後小擾動波波速之間。
  10. The drop merges in the ocean ; the wave flows back to the sea ; the " i " reunites with its source

    水滴融進了海洋,水流匯入了大海;那個「真我」再次和它的源頭結合。
  11. At the end of this chapter, a new inciding wave source using in simulation regular waveguides by fdtd method is given,

    最後本文還用離散傅立葉變換方法給出了用於fdtd方法研究規則波導問題中的入射波源。
  12. First, we reviewed the finite - difference time - domain yee ' s method. the difference equations, the stability condition, numerical dispersion characteristics, absorbing boundary conditions, incident wave source conditions and the calculation of the frequency - dependent scattering parameters are discussed

    首先本文回顧了時域有限差分yee演算法,包括時域有限差分的差分方程、穩定性條件、數值色散特性、吸收邊界條件,激勵源的設置以及散射參數的計算等。
  13. By using the method of wave source distribution, sources were distributed along the boundary of the harbour, then by using the matching conditions of the inner and outer fields on the entrances of the harbour, the strength of the sources was calculated

    利用源匯分佈法,在港灣邊界上布置源匯,並在入口處利用內外場的匹配條件,來求解置於港灣邊界上的源強,進而求得港灣內的整個流場。
  14. Chapter 5 describes the principles and the calculating methods of the incident plane - wave source and the radar cross section ( rcs )

    第五章說明的是平面波源的加入和雷達散射截面的計算,包括工作原理和實現方法。
  15. To put into operation a large amount of non - linear load, make in harmony wave of rural power grids serious becoming in pollution, pass to rural local electric wire netting main in harmony analysis of wave source, put forward in order to restrain from insert rural power grids in harmony wave source voltage total in harmony wave distortion rate and the containing rate change last device number pulsating for increase of goal, increase the pulse of the current change device and install light specified value electricity active wave filter mix with passive wave filter near the harmonics source to control the wave in harmony

    摘要大量非線性負荷的投運,使農村電網的諧波污染日趨嚴重,通過對農村地方電網主要諧波源的分析,最終提出了以限制接入農村電網的諧波源的電壓總諧波畸變率和各次諧波電壓含有率為目標的增加換流裝置脈動數,以及在諧波源附近裝設小額定值的電力有源濾波器配以無源濾波器的混合型電力濾波方式,以進行諧波治理。
  16. The synthetic source is the generalization of plane wave source, controlled illumination source, piecewise plane wave source and areal sources with phase encoding etc. by migrating the synthetic source record, the computational cost of the conventional areal shot record migration can be reduced by several times without significantly degrading the image quality

    合成震源既包括了已有的平面波震源,也包括了控制照明震源,分段平面波震源和相位編碼震源。合成震源記錄疊前深度偏移方法是炮記錄偏移、平面波偏移、控制照明偏移和相位編碼面炮記錄偏移方法的推廣和統一形式。
  17. The differences between this method and other similar methods are : ( 1 ) the fast synthetic source record algorithm based on the wave theory is adopted in prestack depth migration. ( 2 ) the plane wave source is used in migration that is consistent with the velocity analysis method. ( 3 ) by using the controlled illumination, the distortion of the plane wave source wavefield due to the lateral velocity variation is avoided therefore the error of velocity analysis is reduced and ( 4 ) the practical velocity spectrum makes the interactive migration velocity analysis feasible and convenient

    與其他類似偏移速度分析方法的不同點在於: ( 1 )疊前深度偏移採用基於波動理論的快速合成震源記錄演算法; ( 2 )偏移方法採用平面波震源,與速度分析方法一致; ( 3 )應用控制照明技術,避免了因橫向變速而導致的平面波震源波場在傳播過程中的畸變,從而減小了速度分析的誤差; ( 4 )實用的速度譜設計,使交互偏移速度分析可行且易於操作。
  18. Avalanche diode is the traditional solid device to obtain millimeter wave source. the high order frequency multiply technology of avalanche diode is reported very scarcely

    雪崩二極體是傳統的毫米波固態功率源器件,但利用雪崩二極體實現高次倍頻的研究卻報道甚少。
  19. Avalanche diode high order frequency multipliers are able to transform microwave signals to millimeter wave signals in single stage by fierce nonlinear inductance effect in avalanche phenomena. it has obvious advantages in high order frequency multiply with high efficiency and is a good approach to provide high quality millimeter wave source

    雪崩高次倍頻器能夠將微波信號單級高次倍頻至毫米波頻段,它倍頻效率高、輸出功率較大,具有高頻率穩定度和低相位噪聲的特點,能夠為毫米波應用提供優質的毫米波信號源。
  20. Three - component ( 3c ) seismic survey with p - wave source and 3c geophones has drawn much attention for its great success in identification of lithologies, fractures, and fluids

    摘要縱波震源激發、三分量檢波器接收的三分量地震勘探,因在巖性、裂隙和流體識別等方面獲得成功,而備受關注。
分享友人