• The CAA can study and analyse the effects of all elements on the amplitude-frequency characteristic of active Filter systematically.

    CAA系统研究分析二阶低通有源滤波器元件值特性影响

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  • Frequency response analyzer is used to measure the amplitude-frequency characteristic and phase-frequency characteristic of the networks.

    频率特性分析仪用于测试网络特性

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  • Compared with the amplitude-frequency characteristic of the window functions often used at present, its property has an advantage over the rising-cosine function improved.

    目前常用几种函数频率特性相比较性能优于改进的升余弦函数

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  • When the discharge occurs at different position, the discharge position can be located by the difference of amplitude-frequency characteristic of the signal measured at the same point.

    不同位置发生放电,可利用同一测量点所信号根据特性不同来确定放电位置。

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  • With the methods of theoretical analysis, this paper reveals and researches the result of frequency offset and dynamic bandwidth of a filter network in its amplitude-frequency characteristic.

    本文通过理论分析揭示探讨滤波网络测量时幅频特性频率偏移动态带宽现象的成因。

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  • The transmission function and the amplitude-frequency characteristic of the filter is deeply analyzed. This filter guarantees the system precision as the components of the BPF were picked with choice.

    带通滤波电路系统消除噪声关键部分,论文深入分析了通滤波器的传输函数特性

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  • Mapped the FIR digital filter design of amplitude frequency characteristic curve.

    设计FIR数字滤波特性曲线。

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  • Besides amplitude, phase and Doppler frequency, polarimetric information is the fourth characteristic in the radar echo.

    雷达回波信号幅度相位多普勒移外,还存在第四特征——极化信息

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  • First, the generation mechanism, components and frequency characteristic of radiated noise of naval ships are studied. There exists periodical modulation for the amplitude of propeller noise.

    首先讨论了舰船辐射噪声产生机理构成频率特性指出螺旋桨噪声的振幅存在周期性调制

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  • Frequency response characteristic and amplitude response characteristic have been measured.

    测量幅度响应特性频率响应特性。

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  • The damping characteristic is relevant with the air spring structure and is influenced by external excitation frequency and amplitude.

    空气弹簧阻尼特性与空气弹簧本身结构有关,同时还外界激扰频率振幅的影响。

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  • In this paper, a signal processor, which can measure frequency, amplitude and amplitude-increasing velocity, is contrived by making full use of these three characteristic parameters.

    文中充分利用了目标信号频率幅度增幅速率三个特征,设计出具有幅度检测、增幅速率检测、带外干扰信号检测的信号处理器

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  • The traditional method for amplitude-phase frequency characteristic calculation is first to solve the numerator polynomials and denominator polynomials of a transfer function.

    计算传统方法求出传递函数分子多项式分母多项式。

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  • Then the every frequency amplitude of auditory correlogram was coded as a feature vector expressing present frequency band characteristic.

    听觉相关图中每个频带频率分量幅值进行特征编码作为表征当前频带特性的特征向量

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  • The amplitude frequency characteristic curve and loss factor of laminated damping steel sheet have been calculated and measured with the sine scanning excited method.

    本文应用能量原理阻尼分析方法解决了平纹织物复合材料复杂结构损耗因子计算问题。

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  • The amplitude frequency characteristic curve and loss factor of laminated damping steel sheet have been calculated and measured with the sine scanning excited method.

    本文应用能量原理阻尼分析方法解决了平纹织物复合材料复杂结构损耗因子计算问题。

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