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lossy     
相关语句
  有损
     Le Gall(5,3) lossy compression reconfiguration optimization in JPEG2000
     JPEG2000的Le Gall(5,3)有损压缩重构优化
短句来源
     THSCLA performs 5-level Mallat wavelet decomposition for 9/7 lossy filter with a relatively small penalty of only 16 adders and 5 multipliers.
     THSCLA以16个加法器和5个乘法器的微小代价,完成了9/7有损滤波器的5层 Mallat小波分解。
短句来源
     ROI-JPEG LOSSY COMPRESSION OF MEDICAL IMAGES
     医学图像的ROI-JPEG有损压缩技术
短句来源
     Image coding with lossy and lossless compression on integer wavelet transform
     整数小波的有损与无损图像压缩
短句来源
     THE BROADBAND MATCHING THEORY FOR LOSSY NETWORKS
     有损网络的宽带匹配理论
短句来源
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  有耗
     2) to applied GPML (bound condition) to absorb the lossy wave in dispersive media;
     2)有耗色散媒质的吸收边界条件问题,运用了GPML边界条件来吸收色散媒质目标产生的凋落波;
短句来源
     It is of great important value to the problem of diffraction in a lossy medium and complex rays.
     这对有耗媒质的绕射问题以及复射线的绕射问题的求解有非常重要的参考价值。
短句来源
     MODEL TESTING METHOD OF RCS FOR LOSSY RADAR TARGETS
     有耗雷达目标的RCS模型测量方法
短句来源
     The effect of lossy series-network on the signal and noise parameters of low noise GaAs FET's and the conditions for simultaneously achieving noise and power match are discussed in detail in this paper.
     本文详细讨论了有耗串联网络对低噪声GaAs FET的信号参数和噪声参数的影响,以及同时获得噪声匹配和功率匹配的条件。 以WC606型GaAs FET为计算实例表明:在频率为12GHz,当串联电感为0.1nH,负载反射系数为0.25∠120°时,可以同时获得噪声和功率匹配。
短句来源
     The Effect of Lossy Series-Network on the Signal Parameters and Noise Figure of GaAs FETs
     有耗串联网络对GaAs FET信号参数和噪声参数的影响
短句来源
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  损耗
     Effect of SiO_2 on the electromagnetic characteristics of lossy CoFeB-SiO_2 nanogranular films
     SiO_2含量对损耗型CoFeB-SiO_2颗粒膜电磁性能的影响
短句来源
     NUMERICAL MODELLING OF NONLINEAR TE WAVES IN LOSSY WAVEGUIDES
     有损耗波导中非线性TE波的数值模拟
短句来源
     Based on analytic analysis, the realizability conditions of semiuniform frequency-dependent lossy networks, FZ_RZ_LZ_CT networks for short, are presented in this paper. An approximate analytic synthesis procedure for the FZ_RZ_LZ_CT broadband matching networks is given.
     在解析分析的基础上,给出了半均匀频率依变损耗网络(FZ_RZ_LZ_CT网络)的可实现条件,并提出一种近似的解析综合此类宽带匹配网络的方法。
短句来源
     A large uumber of numerical calculations using the analytic formula and the dispersion equation have been carried out on the relations of the attenuation and phase constant with wave frequency, thickness and conductivity of the lossy layer.
     通过解析表达式和波导模式色散方程,对衰减常数和相位常数进行了大量数值计算,得到了它们随损耗层厚度、频率以及损耗层电导率的变化规律,两种方法所获得的结果有较好的一致性.
短句来源
     Noise Loss and Contribution in the Lossy Two-port Networks in Cascade
     级联二端口有耗网络中噪声的损耗和发生
短句来源
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  有损耗的
     FM-CW geological radar performance in a lossy layered medium(1).
     FM—CW地质雷达在有损耗的分层介质中的特性(上)
短句来源
     Transmission lines,microstrips and coplanar waveguides,are fabricated on lossy silicon substrates embedded in CMOS Cu/SiO_2 interconnect layers.
     在有损耗的硅衬底上试制了传输线(微带以及共面波导),并嵌入在CMOS Cu/Si O2互连层中.
短句来源
     FM -CW geological radar performance in a lossy layered medium (2).
     FM—CW地质雷达在有损耗的分层介质中的特性(下)
短句来源
     In this paper, we discuss a method of realization of wide-band 90° phase shift networks utilizing lossy all-pass networks.
     本文就一种用有损耗的全通网络实现宽带90°相移网络的方法进行讨论。
短句来源
     Based on the lossy Drude model,the propagation characteristics of electromagnetic wave while passing a thick parallel plate made of DNG medium are analysed.
     针对广泛关注的DNG媒质(负折射率媒质),以有损耗的Drude型媒质为模型,对电磁波穿过DNG媒质的平行板时的传播特性做了理论分析;
短句来源
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  lossy
Methods for Reducing the Amount of Computation in Modeling Lossy Communication Systems Based on Ignoring Low-Probability States
      
Ways for reducing the amount of computation when estimating capacity characteristics of models of lossy communication systems with product form representation of the stationary probability vector are considered.
      
Bit threshold optimization for multiphoton communication in lossy channels
      
Diffraction of an electromagnetic wave by an open end of a coaxial line with an infinite flange adjoining a piecewise-uniform plane-layered lossy medium is considered.
      
Direct and inverse problems are considered for diffraction by an open end of a rectangular waveguide (RW) with a flange that adjoins a piecewise inhomogeneous planar layered lossy medium.
      
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A general equation revealing the relationship between the attenuation at passband center A ( 0 ) and the parasitic dissipation factor of the elements o and input dissipation factor d is derived for all-pole type lossy filter. Based upon this equation, families of curves are computed and plotted for three conventional types of filters. For filters with given element dissipation factor, both the optimum selection of the input dissipation factor and the determination of the attenuation at the passband center...

A general equation revealing the relationship between the attenuation at passband center A ( 0 ) and the parasitic dissipation factor of the elements o and input dissipation factor d is derived for all-pole type lossy filter. Based upon this equation, families of curves are computed and plotted for three conventional types of filters. For filters with given element dissipation factor, both the optimum selection of the input dissipation factor and the determination of the attenuation at the passband center can be readily accomplished with the aid of these curves. If the allowable range of the attenuation at the passband center is given, the same families of curves enable us to determine conveniently the corresponding allowable range of the element dissipation factor.Some problems of practical interest are also discussed in connection with examples.

本文导出了全极点型有耗滤波器的通带中心衰减A(0)与元件寄生损耗因数a和输入端损耗因数d之间的一般关系式,并据以绘制出了可供三种常用滤波器设计用的曲线族。对于那些元件损耗因数已知的滤波器,查索这些曲线能十分容易并最佳地选定输入端损耗因数和确定通带中心衰减值。若规定了通带中心衰减值的允许范围,则可借助该曲线族来确定元件损耗因数的允许范围。文末给出了设计示例并讨论了从中得出的结论。

In noise measurement the problem of noise transmission in the two-port networks in cascade is frequently met with. Each stage of the network itself will contribute its noise whereas it will Jose the noise power transmitted from the former stage. The noise can be exactly measured only when its loss and contribution in the network have been defined.This article analyses the loss and generation of noise in the network by means of the concept of the available power transmission coefficient, and derives the formula...

In noise measurement the problem of noise transmission in the two-port networks in cascade is frequently met with. Each stage of the network itself will contribute its noise whereas it will Jose the noise power transmitted from the former stage. The noise can be exactly measured only when its loss and contribution in the network have been defined.This article analyses the loss and generation of noise in the network by means of the concept of the available power transmission coefficient, and derives the formula for noise transmission in the lossy . two-port networks in cascade. This formula has been applied to determine the available noise temperature of the thermal noise standard source.

噪声在级联二端口有耗网络中传输时,每一级网络除了损耗前一级传输过来的噪声功率外,还要给出网络本身的噪声。只有确定了网络中损耗和发生的噪声,才能准确地进行噪声测量。 本文利用资用功率传输系数概念来分析网络中噪声的损耗和发生,推导出级联二端口有耗网络中噪声传输的计算式。该计算式已被用于确定热噪声标准源的资用噪声温度。

Using microwave network theory, this paper presents an analysis of open resonators in the form of waveguide with slowly-varying cross-section. A general formula for determining the trasmission Q value of the open resonator with any longitudinal profile is given. The value of Qr resulting from the lossy wall is estimated. The correction of the resonant frequencies is discussed. As examples we derived the formulas to calculate the Q value for dual-cone open resonators and that for cylindrical open resonators....

Using microwave network theory, this paper presents an analysis of open resonators in the form of waveguide with slowly-varying cross-section. A general formula for determining the trasmission Q value of the open resonator with any longitudinal profile is given. The value of Qr resulting from the lossy wall is estimated. The correction of the resonant frequencies is discussed. As examples we derived the formulas to calculate the Q value for dual-cone open resonators and that for cylindrical open resonators.

本文利用微波网络理论分析了缓变截面波导开放谐振腔,给出了任意纵剖面形状开放腔的传输Q值的一般公式。估计了波导壁欧姆损耗对Q值的影响。简单讨论了谐振频率修正问题。并具体推导了双圆锥腔和圆柱形开放腔的传输Q值的计算公式。

 
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