衰減相位 的英文怎麼說

中文拼音 [shuāijiǎnxiāngwèi]
衰減相位 英文
decay phase
  • : 衰動詞(衰弱) decline; wane
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
  • 相位 : phase position; phase
  1. Anechoic chambers. part 2 : alternative test site suitability with respect to site attenuation

    消聲室.第2部分:與關的替換試驗置的適用性
  2. The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological

    分別以國家級文物保護單的土質、砂巖和磚材文物樣品為對象,依據astm標準及國際通用文物保護研究方法與評估準則結合,通過膠化物形成周期、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定,及凍融、冷熱循環、酸堿腐蝕后抗壓強度的、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響,對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。
  3. There is great change of negative current component when it happens the line - open fault. it is marked as the occurrence of the fault. and it can be concluded the phase characteristic of negative current in the line. in the transient course, there are plenty of harmonics in the fault line. through the transient analysis, it is drawed that the amplitude of each harmonic in fault phase is greater than other phases. harmonic current in fault line is far greater than other normal lines

    發生斷線故障以後,線路中會出現負序電流的突變,可以作為故障啟動判斷的標志,並且通過分析得出了故障時負序基波電流的特點。在故障暫態過程中,故障電流中含有大量豐富的諧波成分,各次諧波在故障期間有突變,並且很快。
  4. Iir filters are a kind of digital filters with recursive structure and are primarily used for high data throughput applications that can tolerance phase distortion and require a sharp cut - off characteristic

    本文討論的iir濾波器是一種遞歸結構的數字濾波器,主要用於能夠容忍失真而要求具有良好的特性的高數據處理量的系統中。
  5. Its main contributions include the following several aspects : firstly, the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry. orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method, and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there. by analyzing the definite factors influencing orientation precision, the dissertation develops the concept of orientation dilution of precision, which uncovers the internal cause of exotic error behavior of bi - satellite orientation, and has important guiding significance for practical engineering applications

    本文系統地研究了基於「北斗一號」衛星載波干涉測量原理實現地球靜止雙星定向的關技術,主要研究成果包括以下幾方面:首先,建立了利用兩顆地球靜止軌道衛星進行短基線定向的數學模型,分析了載波干涉測量的適用條件;採用傳統的線性化解析法及蒙特卡洛隨機模擬法兩種途徑對雙星定向的精度進行了詳細分析,數學模擬結果表明在高緯度地區線性化解析法由於俯仰角誤差分析精度略有下降而不太適合;在分析定向精度確定性影響因素的基礎上,提出了雙星定向精度因子odop的概念,揭示了雙星定向誤差特殊表現的內部機理,對實際工程應用具有重要的指導意義。
  6. Experimental results are reported on temporal instability of phase - conjugate beam in a self - pumped ce : batio3 phase conjugator at 532nm. dark decay behaviors of sppc gratings in ce : batio3 are studied, for the first time to our knowledge, by measuring the decay of sppc reflectivities at 532nm and 790nm wavelengths at room temperature

    首次在實驗和理論上研究了自泵浦共軛光柵暗的特性,與以往一深一淺兩個陷阱能級參與光折變過程不同的是,發現了兩個深陷阱能級同時參與了自泵浦共軛光柵的建立。
  7. This movie demonstrates the phase difference and the amplitude decay of the e and h field in freespace

    本影片可看出真空中電場和磁場之間的差和振幅的現象。
  8. This movie demonstrates the phase difference and the amplitude decay of the e and h field in a very lossy medium

    本片演示高損耗介質中電和磁場的差及振幅情形。
  9. The variation of db magnitude attenuation and phase delay of reflection is uniformly proportional to distance along the line toward the direction of reflection, where the phase delay is 360 degree per wave length, the db attenuation per meter is twice the one way db attenuation per meter of forward or backward wave

    沿傳輸線之反射,即反向傳播與正向傳播電壓沿傳輸線之量比,其落後及分貝沿反射方向之變化則正比于線長,落後為每半波長三百六十度,每米之分貝為正向波或反向波單程每米之分貝之兩倍。
  10. On the basis of this, a set of equations are derived to calculate the signal parameters ( frequency, amplitude, phase and the rate of attenuation )

    在此基礎上對電力信號的等時間采樣值建模,由此獲得了上述信號參數(如頻率、幅值、速率)的計算方法。
  11. This paper relates to some problems about the determination of design ground motion parameters, which include the choice of the attenuation relationship of rock horizontal acceleration response spectrum, the impact of focal depth to rock peak horizontal acceleration and rock response spectrum curves, the choice of intensity envelops function and random input phase, the choice of soil nonlinearity and shear wave velocity, scale of design ground motion response spectrum etc. in the researches of relative aspect, based on a typical section plane of the engineering site, influence of the change of some parameters on design ground motion parameters and the existing errors and corresponding rules are studied by using the method of one dimension model of equivalent linearization

    摘要研究了確定設計地震動參數中涉及的若干問題,其中包括基巖水平加速度反應譜關系的選擇、震源深度對基巖水平加速度峰值及基巖反應譜曲線的影響、強度包絡線函數及輸入隨機的選擇、土體非線性特性參數和土層剪切波速值的選擇、設計地震動反應譜的標定等問題。
  12. The mechanism of storing lithium - ions was to store lithium ions in the micropores of the samples. since the micropores which formed in the process of liquid phase carbonization had different sizes, the smaller the micropores, the lower the potential to overcome the resistance for inserting lithium ions. the charging - discharging curves looked like the letter " v " and had no flat plateaus, the charging - discharging capacities were high but faded rapidly

    Htt _ ( max ) = 2000以前,石墨微晶尚未出現,貯鋰機制為「微孔貯鋰」 ;由於微孔的大小不同,插鋰時克服阻力所需的電也不同,微孔愈小,所需電愈低,因此充、放電曲線為「 v 」字形,無充、放電電平臺,充、放電容量高,但容量快;隨著htt _ ( max )的增大,液炭化過程中所形成的微孔逐漸變小、變少,因此充、放電容量也逐漸變小。
  13. The stator assembly receives a quick, high - voltage surge test ( approximately 2500 volts peak ) to each phase in sequence, and the decay of the surge through the windings is integrated by the tester and compared phase to phase

    對于定子總成進行逐個的快速、高壓(峰值約為2500伏)的沖擊波試驗,並且測試員對通過線圈的沖擊波的進行完全的測試,進行的比較。
  14. During the research, finding some important as follow : if wanting to get an ideal linearity of duamoop feedforward system, needing an accurate balance of amplitude and phase, so the attenuation, the delay and the phase in the circuit must be designed accurately

    本項研究還發現,雙環前饋系統要獲得理想的線性化效果,還需要精確的幅度和平衡,這在電路的設計中表現為要對迴路中的和延遲以及移環節進行準確的設計。
  15. 5. experiment about researches on sppc totally internal reflection mechanism were done when ce : batio3 is performed in cw titanium laser at 790nm wavelength. we compared the grating decay of tir mechanism with that of spb - fwm mechanism

    並且進行了共軛光柵存儲實驗,實驗中發現790urn時共軛光柵的要比532urn時慢得多,這可能與共軛建立機制不同有關。
  16. This paper introduces some practicable way of eta, presents the principle of each method and compares their virtues and shortcomings. among them, the vca ( voltage controlled amplify ) becomes prominent for its good characteristics, such as wide output dynamic range, low nonlinear distortion, flat amplitude - frequency characteristics, high amplitude resolution

    器的總體方案和實現方法作了全面的分析、並著重分析了電路設計和研製中的各個關鍵問題,如動態范圍,幅頻特性,特性,非線性失真等。
  17. With certain field strength, an increase in the space length of electrodes can increase the microwave attenuation. however, the increase of space length of electrodes can increase the microwave attenuation that is adjusted by unit space length of electrodes in a nonlinear way

    此外,對不同電極間距下batio _ 3電流變液微波研究表明:同電場強度作用下,電極間距的增加不僅可有效提高微波的幅度,而且其單電極間距調控微波的幅度也增加、且是非線性的。
  18. Two wedge interferometers are designed that the thickness of one is higher than the other. so when the incident coherent light through the interferometers can acquire two fringe patterns which having space shift, but the incident incoherent light only result in consistent intensity signal. through a differentiating amplifier, two signals subtract which can eliminate noise of background and result in higher contrast ratio fringe signals. this method largely improves the system and the ability of detection. the spacing of line fringes is a function of incident laser wavelength, by analyzing, we can extract the wavelength of incident laser. the optical unit analyzing and results also simulated with matlab

    當背景光入射時,直接穿過干涉儀,僅發生強度的,在兩個探測平面上產生幅度基本一致的灰度信號,通過差分放大器,消為零,從而抑制了背景干擾。當激光信號入射,穿過干涉儀時受到調制,在探測平面上產生干涉條紋。通過所設計的存在平均厚度差的雙楔形干涉儀,兩路干涉條紋圖案出現對移:在兩個探測平面對應的置上,一路出現亮紋,另一路出現暗紋。
  19. The accurately controlled signal source generates sinusoidal elastic wave accurately controlled in frequency and stable in phase to " illustrate " underground media. time signal stacker receive signal by stacking and doing fft to measure the transfer function of media. " sompi " cepstrum method retrieve group velocity travel times and decayed factors of wave element from observational data of transfer function in a limited frequency window

    精密可控震源用於產生頻率精確穩定的正弦彈性波以照射地層內部,信號疊加器通過對接收信號進行疊加和進行傅立葉變換的方式實現對介質傳遞函數的精密測量, 「存否」倒譜方法能夠根據一段窄帶頻域傳遞函數數據獲得時域上各個波成分的群速度傳播時間和介質因子。
  20. This movie demonstrates the phase difference and the amplitude decay of the e and h field in a plasma medium

    本片演示電漿態介質中電和磁場的差及振幅情形。
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