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锐截止
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  sharp cutoff
     This type of SAW filter has the advantages of low insertion loss (-2dB), high sidelobe suppression (>50dB) and sharp cutoff frequency response, it reduces the volume of the antenna duplexer greatly.
     这种SAW滤波器具有十分低的插入损耗(2dB左右)、锐截止频率响应和高旁瓣抑制(>50dB)等优良性能,并大幅度减小了天线共用器的体积。
短句来源
  cut-off velocity
     The spectrum response and cut-off velocity of the detector increase sharply at high reverse biased voltage (above 100 V). And the spectrum response curves are very smooth between 260 nm and 380 nm.
     在高反压下(100V以上),探测器的光谱响应曲线出现了锐上升和锐截止,在260~380nm之间,有非常平稳的光谱响应;
短句来源
  “锐截止”译为未确定词的双语例句
     THE DETERMINATION OF THE EFFECTIVE TRANSMITTANCEOF THE CUTOFF GLASS FILTERS
     关于锐截止型滤光片有效透射比的确定
短句来源
     By using the sharp cut-off model approximation, the values of the critical angular momenta were extracted from the complete fusion cross-sections.
     并用锐截止模型由全熔合截面导出了临界角动量.
短句来源
     can be determined directly from the statistical analysisof the fission fragment angular distribution corresponding to the fission events withfull momentum transfer. The complete fusion cross section σ_(fu) were calculated on thebasis of the sharp cut-off model.
     由相当于全部动量转移的裂变事件的碎片角分布统计理论分析直接确定了形成全熔合的临界角动量l_(cr),根据锐截止模型计算了全熔合截面σ_(fu)。
短句来源
     This paper presents a new filter technique for rejecting image interference With sampling the input (IF) signal directly, then mixing with two quadrature local ooscillators and phase-shifted cancelling image frequency element in digital domain,the filter can obtain high Q, acute cut-off curve, excellent image cancellation ability, little amplitude-phase distortion Finally, an experimental plan and simulation results is discribed
     本文提出了一种对仪器信道输入中的被测信号及其镜频干扰信号进行直接采样,然后采用数字混频、滤波、移相处理,进行镜频对消的抑制技术,信道可以获得高Q值、锐截止特性的镜频抑制能力,并且可避免信号幅相失真。 在相关仪器中应用此技术,可以降低高频级滤波难度,简化系统构成。
短句来源
     Following its,the effective transmittance of the cutoff glass filter was calculated based on the definition and the measured spectral transmittance by UV spectrophotometer and the solar spectral irradiance on the earth curface under standard atmosphere conditions.
     采用现代紫外分光光度计测量锐截止型有色光学滤光片的光谱透射比和Lowtran7提供的标准大气下地面的太阳光谱辐照度,按定义计算了滤光片的有效透射比。
短句来源
更多       
  相似匹配句对
     THE DETERMINATION OF THE EFFECTIVE TRANSMITTANCEOF THE CUTOFF GLASS FILTERS
     关于截止型滤光片有效透射比的确定
短句来源
     By using the sharp cut-off model approximation, the values of the critical angular momenta were extracted from the complete fusion cross-sections.
     并用截止模型由全熔合截面导出了临界角动量.
短句来源
     New materialism
     新拜金主义
短句来源
     READER'S OPINION
     读者
短句来源
     3. Cut-off frequency.
     第三是截止频率的选取。
短句来源
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  sharp cutoff
Spectra with a sharp cutoff at high frequencies have been detected for the first time.
      
We choose to discuss the Gaussian, Lorentzian-type, Woods-Saxon, and sharp cutoff (NJL) functional forms of the momentum dependence for the form factor of the separable interaction.
      
The Woods-Saxon and Lorentzian-type form factors are suitable for an interpolation between sharp cutoff and soft momentum dependence.
      
The prototype also exhibits very sharp cutoff, very low insertion loss in the passband, slow-wave effect and high isolation performance.
      
The observed spectrum exhibits an unusual and conspicuous peak at 15.2 eV that is characterized by a sharp cutoff to the high energy side.
      
更多          
  cut-off velocity
The B cells, which have a smaller receptive field, a lower spontaneous activity and cut-off velocity than C cells, were found to receive their input from slowly conducting afferents while the afferents to C cells arose from the fast stream.
      
Both preferred and upper cut-off velocity were consistently higher for spot than for bar motion.
      
The mean velocity augmented by three times the standard deviation is chosen here as cut-off velocity.
      
The signal decreases to a cut-off velocity, above which velocities show no signal return.
      


Mica track detectors were used for the measurement of evaporation residues and fission fragments of compound nuclei formed in ~(12)C+~(27)Al, ~(12)C+~(209)Bi and ~(14)N+Pb reactions. The complete fusion cross-sections and excitation functions were then obtained. By using the sharp cut-off model approximation, the values of the critical angular momenta were extracted from the complete fusion cross-sections. The results obtained were compared with the calculations based on current theories for critical angular...

Mica track detectors were used for the measurement of evaporation residues and fission fragments of compound nuclei formed in ~(12)C+~(27)Al, ~(12)C+~(209)Bi and ~(14)N+Pb reactions. The complete fusion cross-sections and excitation functions were then obtained. By using the sharp cut-off model approximation, the values of the critical angular momenta were extracted from the complete fusion cross-sections. The results obtained were compared with the calculations based on current theories for critical angular momentum; they were found to agree within experimental uncertainties.

本文叙述了用云母径迹探测器分别探测复合核蒸发余核和裂变碎片的实验,从而测出了~(12)C+~(27)Al,~(12)C+~(209)Bi和~(14)N+Pb反应的全熔合截面和激发函数.并用锐截止模型由全熔合截面导出了临界角动量.实验结果和当前有关的理论计算进行了比较,在实验误差范围内基本相符.

We have measured the angular distributions of fission fragnents for a series ofcompound nuclei formed in the bombardment of ~(181)Ta, W, Re, Pt, ~(197)Au, Pb and ~(209)Biby 72.7, 69.6, 67.4, 65.4, 63.4 and 61.4 MeV ~(12)C ions with mica track detectors. Thecritical angular momentum l_(cr). can be determined directly from the statistical analysisof the fission fragment angular distribution corresponding to the fission events withfull momentum transfer. The complete fusion cross section σ_(fu) were calculated...

We have measured the angular distributions of fission fragnents for a series ofcompound nuclei formed in the bombardment of ~(181)Ta, W, Re, Pt, ~(197)Au, Pb and ~(209)Biby 72.7, 69.6, 67.4, 65.4, 63.4 and 61.4 MeV ~(12)C ions with mica track detectors. Thecritical angular momentum l_(cr). can be determined directly from the statistical analysisof the fission fragment angular distribution corresponding to the fission events withfull momentum transfer. The complete fusion cross section σ_(fu) were calculated on thebasis of the sharp cut-off model. The results for l_(cr) obtained by this method were com-pared with those predicted by R. Bass model. The published data on fission fragmentangular distributions of ~(14)N+Pb and ~(12)C+~(238)U reactions were also analyzed by thismethod. The values of σ_(fu) are found to be in good agreement with the direct comple-te fusion cross section measurements.

本工作采用固体径迹探测器(天然白云母)测量了72.7,69.6,67.4,65.4,63.4和61.4MeV~(12)C离子轰击~(181)Ta,W,Re,Pt,~(197)Au,Pb和~(209)Bi等裂变反应碎片角分布。由相当于全部动量转移的裂变事件的碎片角分布统计理论分析直接确定了形成全熔合的临界角动量l_(cr),根据锐截止模型计算了全熔合截面σ_(fu)。结果和按照R.Bass模型计算的全熔合激发函数做了比较。我们还分析了已经发表过的~(14)N+Pb和~(12)C+~(238)U碎片角分布数据,由对碎片角分布数据理论分析得到的全熔合截面σ_(fu)和直接测量的结果很好的符合。

A low loss and high performance SAW filter has found a successful application in antenna duplexer of mobile telephone. This type of SAW filter has the advantages of low insertion loss (-2dB), high sidelobe suppression (>50dB) and sharp cutoff frequency response, it reduces the volume of the antenna duplexer greatly. This paper reviews the development of the SAW filter abroan and presents its configuration, performances and applications. Together with the trend of mobile electronics at home and abroad,the paper...

A low loss and high performance SAW filter has found a successful application in antenna duplexer of mobile telephone. This type of SAW filter has the advantages of low insertion loss (-2dB), high sidelobe suppression (>50dB) and sharp cutoff frequency response, it reduces the volume of the antenna duplexer greatly. This paper reviews the development of the SAW filter abroan and presents its configuration, performances and applications. Together with the trend of mobile electronics at home and abroad,the paper also gives a outlook for the applications of this high performance SAW filter.

低损耗、高性能800MHzSAW滤波器已在汽车电话天线共用器中获得了成功的应用。这种SAW滤波器具有十分低的插入损耗(2dB左右)、锐截止频率响应和高旁瓣抑制(>50dB)等优良性能,并大幅度减小了天线共用器的体积。本文综述了国外该器件的研制状况,介绍了典型的器件结构、性能及应用。文章还结合国内外汽车电子化的发展趋势,展望了高性能SAW器件在此领域的应用前景。

 
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