The studying results show that the classical elastic wave equation of spherical wave is only true for fixed amplitude phase and described only kinematic equation of phase velocity.
研究揭示经典的球面波波动方程只对固定振幅相成立,即只描述了相的运动方程,其波速为相速度。
To deal with filter value calculation instability, people put forward and carry out lots of methods in practice such as self-adaptive filter, fixed amplitude filter and square root filter, etc.
为了解决滤波器数值计算不稳定问题,实践中提出并应用了许多方法,如自适应滤波、固定增益滤波、平方根滤波等。
For fixed damping and fixed excited frequency the motion of the beam under small amplitude of force is periodic, but becomes chaotic through period doubling bifurcation with increase of the force.
对固定的参数激励频率和阻尼,当参数激励幅值较小时梁的运动是周期的,但大幅值激励会使运动通过倍周期分岔变为混沌。
Voltage data within a fixed width window are used to estimate the amplitude and phase of the fundamental component.
该方法使用一固定宽度窗口内的电网电压数据来估算其基波分量的幅值和相位。
When the radar seeker transmits several different frequency pulses, the echo amplitude of the target follows the Rayleigh distribution and that of the decoy is assumed fixed.
当导引头雷达发射多个不同频率的脉冲信号时,在一定的检测处理时长内目标回波信号幅度服从瑞利分布,而诱饵干扰信号则是幅度固定的。
The PRFM pulse sequence is composed by 16 fixed-width and fixed-amplitude short pulses, in which the duration between two neighboring pulses is determined by pseudo-random number sequence.
此序列由16个固定宽度的高电平脉冲组成,两个相邻脉冲之间的低电平时间间隔是由伪随机数序列决定的。
For a fixed offset, frequency response of the phase of dominant aperture field mode tends to be smoother with the increase of tilt whereas converse conclusion can be drawn for that of the amplitude.
而在横向偏置相同的条件下,倾角越大,基模电场的相位随频率的变化越平缓,幅度则正好相反。
For a fixed offset, frequency response of the phase of dominant aperture field mode tends to be smoother with the increase of tilt whereas converse conclusion can be drawn for that of the amplitude.
而在横向偏置相同的条件下,倾角越大,基模电场的相位随频率的变化越平缓,幅度则正好相反。
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