noise (wave) 中文意思是什麼

noise (wave) 解釋
雜波
  • noise : n 1 聲音,聲響。2 叫喊;嘈雜聲,噪音;喧鬧聲;吵鬧,騷動,騷擾。3 〈古語〉謠言,風聲。4 〈美國〉...
  • 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. The theory of noise attenuation by patterns is the same whether applied to the shot or the geophone end of the wave trajectory.

    應用組合方法壓制噪聲的原理,不論對炮點還是對栓波器波的軌跡終端都是一樣的。
  2. Surface transverse wave has the 1. 6 high frequency than rayleigh type surface acoustic wave ( using the same technology the frequency of devices of stw has about 1. 6 high frequency than rayleigh type surface acoustic wave ). the paper introduces the theory, design parament, technology and result expeiment of surface acoustic wave ( includes rayleigh surface acoustic wave and surface transverse wave, simple stw ) with low insertion loss, high q and researches the high frequency, low phase noise oscillator with 1ghz stw resonator as frequency element. and describes measurement method and finally experimantal result of the low phase noise surface acoustic wave oscillator

    本文研究了以低損耗、高q值聲表面波(其中包括聲表面瑞利波- - rayleighsurfaceacousticwave ,和聲表面橫波等)諧振器的工作原理、設計參數、製作工藝及其實驗結果,並且研究了以1ghzstw諧振器為頻控元件的高頻率、低相位噪聲聲表面波振蕩器,以及低相位噪聲聲表面波振蕩器的測試方法和最終的測試結果。
  3. Chapter 5 is about the design of millimeter wave solid circuit included frequency multiplier, low noise amplifier, medium power amplifier, mixer, if amplifier lastly, based on the work above, a millimeter wave t / r module is developed and the analysis of the result is also introduced

    第五章毫米波固態電路,詳細分析了毫米波倍頻器、低噪聲放大器、毫米波放大器、混頻器的理論,製作了毫米波混頻器、毫米波放大器、中頻放大器、倍頻器等有源電路。最後,在上述基礎上製作了毫米波t / r組件。
  4. Upbuild the signal model for ship noise, deduce the relationship between sound pressure and particle velocity in plane wave

    建立本艦噪聲的信號模型,推導了平面波聲場聲壓和振速的相關性。
  5. Thirdly, in the environment of labview, several kinds of vis used for sensor signal test are designed, including wave generation, time domain measurement, filter disposal, frequency analysis, etc. after that, wavelet analysis in the application of one - dimensional signal de - noise is studied, threshold and translation invariance wavelet de - noise are realized, and wavelet de - noise vi for zero drift signal of the fiber optic gyro in fcs is designed using labview

    接著,在labview環境下開發了多種用於傳感器信號測試的虛擬儀器,具有波形發生、時域測量、濾波處理、頻譜分析等多種功能。隨后,研究了小波分析在一維信號消噪中的應用,實現了labview環境下的閾值法和平移不變量法小波消噪,並利用labview設計了飛控系統中光纖陀螺零漂信號的小波消噪儀。
  6. Noise research of engine admission and exhaust system by voice wave finity element method

    基於聲波有限元分析法的發動機進排氣系統噪聲的研究
  7. In the light of the pulse width of the radar wave, this paper deals with the difference and the relationship between the vertical resolution and the transverse resolution of the ground - penetrating radar, indicates the influence of the noise upon the resolution and, with practical examples, points out that the digital handling of the signal can greatly improve the resolution of the radar

    摘要從雷達波脈沖寬度出發,闡述垂直解析度與橫向解析度的區別和相互關系,並同時指出噪音對解析度的影響,用實例說明訊號的數字處理能大大的改善解析度。
  8. According to these accomplishments, several techniques are expounded emphatically in this paper, including 3d refraction statics, coherent noise suppression by prestack wave field separating ( prestack fx noise attenuation ), 3d prestack multiple domain random noise attenuation, multiples attenuation, nmo of unsymmetrical hyperbola, dynamic replacement of wave equation, surface - inconsistent residual static, super bin stacking, poststack depth migration and prestack depth migration. all the techniques have been applied in seismic processing of 2d, 3d and wide - line profiling and obtained good results

    本文根據項目組研究成果,重點閘述了三維折射波靜校正技術,疊前波場分離相干噪音壓制方法(疊前fx去噪) ,疊前三維多域隨機噪音衰減技術,多次波衰減技術,非對稱雙曲線動校正技術,波動方程動態替換技術,非地表一致性的剩餘時差靜校正技術,超面元迭加處理技術,疊后深度偏移處理,疊前深度偏移處理等。
  9. Meanwhile, under the condition of continuous wave radiant, how to get the time difference precisely in the low signal noise ratio become another problem. the paper firstly introduce basic principle of the tdoa location technology while the merits and demerits is also given

    同時,電子戰中不僅有大量脈沖輻射源,而且還有連續波輻射源的現狀使得怎樣在信噪比較低的條件下準確無誤得到輻射源的時差也是該領域一個難點。
  10. A rude noise broke on these fine ripplings and whisperings, at once so far away and so clear : a positive tramp, tramp, a metallic clatter, which effaced the soft wave - wanderings ; as, in a picture, the solid mass of a crag, or the rough boles of a great oak, drawn in dark and strong on the foreground, efface the aerial distance of azure hill, sunny horizon, and blended clouds where tint melts into tint

    一個粗重的聲音,沖破了細微的潺潺水聲和沙沙的風聲,既遙遠而又清晰:一種確確實實的腳步聲。刺耳的喀嗒喀嗒聲,蓋過了柔和的波濤起伏似的聲響,猶如在一幅畫中。濃墨渲染的前景一大塊峭巖或者一棵大橡樹的粗壯樹干,消融了遠景中青翠的山巒明亮的天際和斑駁的雲彩。
  11. In the visual 3 - dimensional phase space, the reconstructed attractor of the reverberation exhibits round structure, which contradicts to the irregular distribution of noise and is comparable to the regular circle of periodic wave

    在可視的三維相空間中,混響重構吸引子的相圖呈環形結構,其結構特點介於純隨機過程的均勻無規則散布與確定性正弦周期信號的規則圓形之間。
  12. The debris falling back to earth may generate additional direct and surface-wave noise.

    碎石落回地面可產生附加的直達波和面波噪聲。
  13. Through an investigation of cavitation of ultrasonic wave cleaning, the cause of cavitation noise and its effect factors are analysed, and some advices to reduce the influence of cavitation noise to environment are proposed

    摘要通過對超聲波清洗中空化現象的研究,分析了空化噪聲產生的原因和影響因素,提出一些減小空化噪聲對環境影響的方法。
  14. The passionate noise of agreement from the assembly hit him like a wave and he lost his thread.

    與會者表示贊同的熱情呼聲像浪一樣沖擊著他,他一時斷了話頭。
  15. Arranged signal activating lock circuit and time - base control circuit in the sound wave receiving circuit to take the initial signal of back wave as the valid one in the cycle, thus to improve the ratio of signal vs. noise and detective precision

    在超聲波接收電路中設有信號觸發鎖定電路和時基控制電路。實現以各探頭中最早收到的回波信號為本檢測單元的有效信號,有效提高信噪比和檢測精度; 4
  16. The main experiments : the relationship between the sonic intensity and the pressure of the steam that leak out of the boiler ; the relationship between the level of the intensity of the leak noise and the capability of boiler ; the effect that wave - guide tube has on the detection of leak noise ; the specialties of sonic intensity level of background noise and distributing in frequency

    主要實驗內容為:泄漏噪聲聲強級與泄漏蒸汽壓力之間關系;泄漏噪聲聲強級與鍋爐容量的關系;泄漏噪聲聲強級與泄漏孔徑的關系;波導管對泄漏噪聲測量的影響;爐內背景噪聲的聲強級和頻域分佈特點。
  17. The main job of this research is : ( 1 ) analyze the operation situation of power system during faults ; pay attention to the traveling wave on the three - phase transmission line ; study the equation of voltage on three - phase transmission line with impedance capacitance coupling between phases ; contact the voltage on any point with the fault voltage, study the singularity of the voltage signal in fault point, and make it to be the base of the new fault detection method ; ( 2 ) apply the singularity detection theory based on wavelet analysis to the power system faults detection, give a complementary criterion to current fault detection criterion, study how to select the basic wavelet, how to filter noise, how to detect the singular point or fault point, and finally give a total solution. the simulations prove it to be a quick, correct and effective fault detection method

    本文的主要工作有: ( 1 )分析電力系統在發生故障時的運行狀態,尤其對三相傳輸線上的故障行波進行了分析和研究,推導了考慮相間耦合的三相傳輸線電壓方程,並將傳輸線上任一點的電壓與故障點電壓建立起聯系,得出了傳輸線上電壓信號在故障點處的奇異性,並以此作為構造新的故障檢測演算法的理論基礎; ( 2 )將基於小波變換的信號奇異性檢測理論運用於電力系統故障檢測中,針對目前相關研究的不足,提出了電力系統故障檢測判據的補充判據,通過對基本小波的選擇、除噪措施、信號奇異點也即故障點的檢測方法所作的分析,給出了一個可行的解決方案;模擬研究表明:這是一個快速、準確、有效的故障檢測演算法。
  18. This dissertation only considers the signal s distortion by interconnect, such as delay, reflection, discontinuity of microstrip, crosstalk and simultaneous switching noise, and so on. nowadays, there are some simulation software in pcb level, but they are lack of the well ability of modeling. in order to simulate the interconnect accurately, we have to make use of three - dimension full wave analysis method, whose disadvantage is low speed in computing, but is competent for developing rules in high - speed designs

    目前也有一些針對這些噪聲的高速pcb板級模擬軟體,但它們都缺乏詳盡的建模能力,特別是當頻率逐漸提高和電路板日益復雜后,更是顯得無能為力,要精確地對互連結構進行分析,三維全波模擬器似乎不可缺少,其缺點就是速度慢,對整板模擬很難實現,但非常適用於規則開發,而這正好是本文除了建模與模擬方法研究外另一個重點。
  19. Biology, etc. owing to many merits has not yet been used to measure parameters of gratings. the paper researches on the subject in view of current lack of it. the main tasks of the paper include : analyzing ellipsometric characteristics of gratings in detail with vector diffraction theory and ellipsometrics ; devising a reflective quarter wave plate at normal incidence according to some ellipsometric characteristics ; making use of normal simplex algorithm during ellipsometric inversion of gratings parameters, inversing ellipsometric parameters with gaussian noise of different standard deviations to simulate actually measured values with examples of isotropic metallic and anisotropic step gratings and testing that ellipsometry about gratings parameters is feasible with the range of certain precision ; discussing choice of incidence angle at length

    本論文的主要工作包括:結合光柵的矢量衍射理論和薄膜的橢偏理論,詳細分析了光柵的橢偏特性;並且根據一些橢偏特性設計出一款正入射反射型單波長1 4波片;在光柵參數的橢偏反演中,引入正單純形法作為反演演算法,分別以各向同性的正弦形金屬光柵和各向異性的階梯型光柵為例,在標準橢偏值的基礎上加入不同偏差的高斯噪聲來模擬實際的橢偏測量值進行反演,在一定精度范圍內得出滿意的光柵參數,說明光柵參數的橢偏測量是可行的;還就入射角的選取問題進行了一定的探討。
  20. Sound wave passing through different mediums produces varied intensity diminution ; hence, greater sound muting materials can be utilized for noise reduction

    音波透過不同介質,會產生不同的穿透損失,故利用特殊的消音材料,以達到消音效果。
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