The CAA can study and analyse the effects of all elements on the amplitude-frequency characteristic of active Filter systematically.
该CAA能系统地研究和分析二阶低通有源滤波器的各元件值对幅频特性的影响。
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的幅频和相频特性。
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.
与目前常用的几种窗函数的频率特性相比较，其性能优于改进的升余弦窗函数。
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.
带通滤波电路是本系统消除噪声的关键部分，论文深入分析了带通滤波器的传输函数和幅频特性。
Mapped the FIR digital filter design of amplitude frequency characteristic curve.
绘出设计的FIR数字滤波幅频特性曲线。
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的产生机理、构成和频率特性，指出螺旋桨噪声的振幅存在周期性调制。
Besides amplitude, phase and Doppler frequency, polarimetric information is the fourth characteristic in the radar echo.
雷达回波信号中，除幅度、相位和多普勒频移外，还存在第四特征——极化信息。
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并探讨了滤波网络扫频测量时幅频特性的频率偏移和动态带宽现象的成因。
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.
不同位置发生放电时，可利用同一测量点所测信号根据其幅频特性的不同来确定放电位置。
The traditional method for amplitude-phase frequency characteristic calculation is first to solve the numerator polynomials and denominator polynomials of a transfer function.
频域计算的传统方法是先求出传递函数的分子多项式和分母多项式。
The damping characteristic is relevant with the air spring structure and is influenced by external excitation frequency and amplitude.
空气弹簧的阻尼特性与空气弹簧本身结构有关，同时还受外界激扰频率及振幅的影响。
Then the every frequency amplitude of auditory correlogram was coded as a feature vector expressing present frequency band characteristic.
并将听觉相关图中每个频带的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。
The amplitude frequency characteristic curve and loss factor of laminated damping steel sheet have been calculated and measured with the sine scanning excited method.
本文应用能量原理和阻尼分析的方法解决了平纹织物复合材料的复杂结构损耗因子的计算问题。
The amplitude frequency characteristic curve and loss factor of laminated damping steel sheet have been calculated and measured with the sine scanning excited method.
本文应用能量原理和阻尼分析的方法解决了平纹织物复合材料的复杂结构损耗因子的计算问题。
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