unit impulse

The unit impulse response, transmission function and equivalent noise bandwidth of the system are deduced;

导出了系统的单位冲激响应、传输函数和等效噪声带宽；

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Stress extruding into two main points of the unit impulse ( sequence) response and the convolution integral ( sum).

强调突出系统的单位冲激响应，信号的卷积积分两个重点分析与处理方法；

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In the paper the amplitude of transfer function is discussed in the frequency domain. Through analyzing a case of unit impulse, we obtain the distribution of a certain physical quantity in time and space from earth's surface to 300 km above.

在相空间中讨论了传输函数振幅的分布特性，并以地面单位脉冲源为例，分析了从地面到300km高空的响应，得到了物理量的时空分布特征。

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A Mathematical Model of Converting Station with Twelve Impulse Unit Connection

十二脉动单元接线方式换流站数学模型

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As the trap filter is equal to an all-pass filter minus a point-pass filter composed of approximate triangle shaped elementary frequency unit, the formula of calculating the impulse response of digital trap filter is induced.

该方法将数字陷波器等效成为一个全通滤波器减去一个由基本频率单元构成的点通滤波器，进而推导出计算数字陷波器冲激响应的数学公式。

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