wave impulse

The wave velocities of whole rock samples in triaxial experiments under different stress paths, and the wave velocities of rock samples with saw cut in uniaxial experiments were measured by ultrasonic impulse method.

用超声脉冲法测量了完整岩石样品在三轴实验中不同加载途径下的波速，和拼合岩石样品在单轴实验中的波速。

The modal experiment on the flexible space truss with the hexahedral structure is performed and investigated under the impulse excitation of haif sin wave by the method of interior force vibration activation.

采用半正弦冲击波形，通过内力激振的方法对六面体空间柔性桁架结构进行了模态实验研究，得到了系统的前四阶固有频率和模态振型。

The impulse measurement errors of the XZF 900 precision resistor divider and the ZRF 1200 low damped capacitor divider are given from exponential wave tests and calculations.

根据指数波试验和计算，文中给出了XZF-900精密电阻分压器和ZRF-1200低阻尼电容分压器的冲击测量误差。

The paper proposes this distinguish method by analyzing the regular impulse wave.

文章通过分析常见焊缝缺陷的波形及其特征，提出了鉴别缺陷性质的方法。

First, the time domain solution of the system with Rayleigh damping excited by a short time impulse is obtained by the decoupling numerical simulation technique of near field wave motion.

首先，用近场波动数值模拟解耦技术求得在短时脉冲作用下采用Rayleigh阻尼系统的时域解；

Differences of echo characteristic between impulse radar and continuous wave radar are analyzed, and the potential of UWB impulse for Super-Low-Altitude target-detection is remarked.

分析了超宽带冲激脉冲雷达与连续波雷达的不同的回波特性，指出冲激脉冲雷达对超低空目标探测的潜在优势。

The influence of impulse duration, direction, and damage position, extent on the velocity wave at the impulse action point is addressed.

研究了脉冲持续时间和作用方向、损伤位置和程度对脉冲作用点速度波的影响规律。

Virtual origin of impulse current shock wave induced by flyer impact

冲击电流波视在原点飞片撞击产生冲击波

Objective : To observe the effect of impulse wave via acupoint on chronic atrophic gastritis ( CAG ).

目的: 观察脉冲毫米波经穴治疗慢性萎缩性胃炎 ( CAG ) 的疗效.