用指向性函数分别描述了医用线列阵单频波和宽带波声场。
The directivity function is used to describe the sound field of single-frequency and broad-band waves produced by a medical linear array.
用指向性函数分别描述了医用线列阵单频波和宽带波声场。
The sound field of the Continuous Wave and the Impulsive Wave is described by the directivity function.
本方法的最大优点是仅对单频干扰波进行有效的压制，对有效波的损失很小。
The most major advantage of the method lies in the fact that only the interference wave with single frequency can be suppressed, and the loss of useful signal is very limited.
提出了通过平面声波分解测量热声谐振管中单频压力波声功的方法。
A method for measuring the mono sound power in thermoacoustic resonator was developed by using the theory of plane wave decomposition.
为了解决水文巡测设备中数据传输的可靠性，电力载波通讯中的单频阻波器技术被应用到巡测设备上。此法简单易行，稳定可靠。
Single - frequency resistance - wave technique has been introduced from power - driven carrier wave communication to patrol - measurement, thanks to its easy manipulation and stable reliability.
分析结果表明，此捕获系统具有一定的抗单频连续波瞄准式干扰的能力。
The analysis proves that the acquisition system is capable of good anti-jamming.
我们的分析结果还指出这种多重单频正弦波泵浦相位调制技术更加适合于将来的高比特速率系统。
Our simulation results also show that these multi-tone pump phase modulation techniques are more appropriate for the future high bit rate systems.
本文用单台多重滤波方法测定了经过青藏高原地区瑞利波群速度频散曲线。
The group velocity dispersion curves of Bayleigh waves through most of the Qing-hai-Xizang Plateau are obtained, using the single-station and multiple-filtering process.
本文用单台多重滤波方法测定了经过青藏高原地区瑞利波群速度频散曲线。
The group velocity dispersion curves of Bayleigh waves through most of the Qing-hai-Xizang Plateau are obtained, using the single-station and multiple-filtering process.
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