衰減特性 的英文怎麼說

中文拼音 [shuāijiǎnxìng]
衰減特性 英文
attemuation characteristics
  • : 衰動詞(衰弱) decline; wane
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
  • 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
  1. 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,主要用於能夠容忍相位失真而要求具有良好的衰減特性的高數據處理量的系統中。
  2. The fog attenuations at infrared wavelength are computed and analyzed with the fog drop size distribution model of radiation and advection fog, the empirical relation of fog attenuation with water content or visibility are obtained at 10. 6 urn wavelength, the relation for radiation fog have a good agreement with the relation obtained by experimental results

    基於霧滴尺寸分佈模型,對霧的紅外輻射衰減特性進行了分析和研究,並給出了10 . 6 m紅外輻射與霧的含水量或能見度的經驗關系,該經驗關系與實驗結果間有很好的一致
  3. The records we used are mainly from three parts : strong ground motion data before 1992 ' s ; data from scec ( south california earthquake catalog ) ; nsmp ( national strong motion project ). after we developed the attenuation laws, we analysis the attenuation characteristics for the pga and sa with different damping ratio. here we mainly concentrate on the effect of the distance and the magnitude

    在回歸出中小地震的關系后,本文對峰值加速度(水平向與垂向) 、加速度反應譜(阻尼比分別為0 . 005 、 0 . 02 、 0 . 05 、 0 . 1 、 0 . 2 )的衰減特性進行了分析,影響因素主要考慮了震級與距離這兩個方面。
  4. Hydrometeors have dominant effect on the performance of systems operating at frequencies above loghz, and the remote sensing of hydrometeors is an important subject for radio propagation, radar meteorology and atmosphere physics etc. based on the physics characteristics of rainfall, fog and clouds, the propagation characteristics and remote sensing of hydrometeors are investigated and discussed

    水凝物是影響10ghz以上頻段系統能的主要因素,它是電波傳播、雷達氣象、大氣物理和環境遙感等學科研究的重要對象。本文基於降雨和雲霧的基本物理,對降雨和雲霧的毫米波傳播、降雨和雲霧的遙感以及霧的紅外輻射衰減特性進行了分析和研究。
  5. Using the dsd models and forward scattering amplitude computed by the least squares fitting method, the specific attenuations at l - 400ghz have been computed and analyzed, the parameters of " power law " relation between specific attenuation and rainfall rate are obtained. the specific attenuations in qingdao, guangzhou and xinxiang are compared with itu - r specific rain attenuation models

    利用平均雨滴尺寸分佈和點匹配法計算的雨滴的前向散射數據計算和分析了青島、廣州和新鄉地區1 ? 400ghz徵雨衰減特性,得到了徵雨與降雨率的指數關系參數,並與itu - r ( internationaltelecommunicationunion - radiocommunication )徵雨模式進行了系統的比較研究。
  6. Against the background of the continuing spread of digital tv broadcasting, tachii electric wire has developed the tcx - hfbl series and tcx - fws series of high - frequency coaxial cable products. both of these series are compatible with the us smpte standard 292mhdtv and the japanese arib standard btas - 004b and are products that exhibit excellent attenuation characteristics by controlling return losses at a low level

    普及數字高清晰度電視播放的同時開發了適合美國的smpte規格292mhdtv ,日本的arib規格btas - 004b的高頻同軸電纜: tcx - hfbl系列, tcx - fws系列,有效抑制損耗,改善衰減特性的產品。
  7. Progress in dust collection by electrostatic precipitation in view of gaseous pollutants removal

    防靜電物料的衰減特性研究粉塵爆炸與靜電
  8. Specification for shock attenuation properties of fencing surfaces

    圍墻表面沖擊衰減特性規范
  9. Numerical analysis of plane explosive wave propagation with its attenuation behavior in semi - infinite medium

    平面爆炸波在半無限混凝土介質中傳播與衰減特性的數值分析
  10. High attenuation to low frequency, excellent perform ance of common mode and differential mode interfere nce suppression

    極佳的低頻段衰減特性,具有良好的共模和差模干擾抑制能。
  11. Test method for measuring shock - attenuation characteristics of natural playing surface systems using lightweight portable apparatus

    利用輕便式儀器測量立體聲播放系統震動衰減特性的方法
  12. The attenuation function curve of the new prototype with different number of resonance components is drawn in the whole frequency band, all the components ' parameters are calculated out

    繪制出新的低通濾波器原型整個頻帶內不同節數時的衰減特性,計算出不同節數時原型各節參數。
  13. In addition, by contrast of the decay behaviors of photoelectrons in different emulsions, the influences of the types of different emulsions on the results of sulfur - sensitized reaction have been analyzed

    並且,通過對比agbrit顆粒、 agbrcl立方體和agcl立方體三種不同類型乳劑光電子衰減特性,分析了鹵化銀的乳劑類型對硫增感產物質的影響。
  14. A system scheme of digital image collection plus spread spectrum communication ( abbreviated as ssc ) is presented in this paper after a full analysis of noise characteristics, attenuating characteristics and impedance characteristics of low - voltage power lines

    本文首先介紹了低壓電力線的噪聲衰減特性和阻抗,然後提出一種數字圖像採集+擴頻傳輸的系統總體方案。
  15. The primary aim of this study is to provide some basic information to the atmospheric correction for 94 ghz cloud radar. the atmospheric attenuation at 37 and 94 ghz have been calculated and analyzed in different cloudy atmospheres

    本工作主要比較分析在37ghz和94ghz大氣的衰減特性,計算分析了在不同雲、大氣條件下37和94ghz的大氣,目的是對星載94ghz雲雷達進行大氣的訂正。
  16. Attenuation characteristic of fast wave, slow wave, quasi - transverse wave and anti - plane transverse wave are discussed and the combined effects of the anisotropy of the solid skeleton and fluid viscosity on the propagation characteristic of plane waves are analyzed numerically. the influence of horizontal anisotropy and fluid viscosity on the propagation characteristic of elastic waves is clarified

    討論了液飽和多孔介質中快波、慢波,準剪切波和反平面剪切波的衰減特性,並分析了固體骨架異以及流體粘度的綜合效應對平面波傳播的作用,澄清了介質水平面內異以及流體粘度對彈波傳播的影響。
  17. As for dam ' s dynamic properties in condition of elastic foundation, author uses mapping infinite element, which can reflect displacement ' s property of diminishing in semi - infinite materials. through exchanging data between three analytic software - matlab, ansys, fortran, dynamic properties of dam is computed in condition of elastic foundation. and then the dynamic displacement curve is obtained under the load of earthquake with the method of newmark - b

    對于彈地基情況下壩體的動力,作者採用了能夠反映半無限域介質中位移衰減特性的映射無限元,通過matlab 、 ansys 、 fortran三種計算軟體之間數據交換得出了彈地基下壩體的動力,並通過自編newmark -法程序計算了壩體在地震荷載作用下動位移響應。
  18. Through analyzing strata ' s absorbtion and attenuation, the specialty of ssf in system - one ( two ) and 24 - bit a z a / d, the scheme to improve the data acquisition system is brought forward including the design of multiple differential spectrum equilibrium filter ( mdsef ) and program control amplifier

    通過詳細分析地層的吸收衰減特性, system - one ( two )頻譜整形濾波器及24位a d的點,對現有採集系統提出了改進方案。其中包括對多級微分頻譜均衡濾波器的理論設計,程式控制型前置放大器的理論分析與設計。
  19. The attenuation are also calculated and discussed with fog drop size distribution model and empirical relations of the liquid water content and the visibility or other parameters of fog and clouds. the measured results of sea fog attenuation in qingdao at 33. 5ghz and 93. 5ghz are analyzed and discussed

    提出了一種較其它經驗模式適用頻率和溫度范圍更寬,計算精度更高的雲霧經驗公式,並對雲霧的毫米波衰減特性及海霧的毫米波實驗結果進行了分析和討論。
  20. The recursive criterion of transient current protection based on mallat wavelet transform is presented in order to meet the real - time demands. the reserch shows deficiency existed in the prevenient principle of transient current protection, so a new improved scheme of transient current protection is proposed. the characteristics of transient protection at different bus distribution capacitance is also analysed in this thesis. the study shows that operate of transient protection is correct when the bus distribution capacitance change. other conclusion include : the trip of transient protection must be locked when the power circuit breaker of transimission line operated, because the trip is incorrect at this time ; the features of transient current and it ' s energy is different between the fault and thunder over - voltage in transimission line, and them can be identified ; the ratio of high frequency component of current in serise capaciters compensation line, svc and hvdc system is far little than fault transient current, so all of them do not affect the working of trasient current protection

    應用功率譜估計方法討論了故障高頻暫態噪聲信號在頻率軸上的分佈情況,利用功率譜分析結果實現的非參數化系統辨識方法研究了母線分佈電容對電流高頻暫態信號的衰減特性。論文的後半部分(第五,六,七章)著重分析了現有基於故障電流的暫態保護原理和判據存在的問題,提出了新的實現方案,並討論了暫態電流保護的運行能。利用多分辨分析和小波分解快速演算法構成的遞推暫態保護判據,可以準確區分故障線路和非故障線路,實現超高速暫態電流保護,計算更為簡單方便,計算速度更快。
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