Attempts to establish a cycle of regular duration and amplitude have failed .
建立一个在时限和振幅方面都有规律的经济周期的所有尝试都失败了。
But that also reduces the amplitude of the motion , making it harder to detect .
但这种做法同时也降低了运动的振幅，使运动更难被探测到。
Since the alleviating action is also larger , the pattern is one of cycles of increasing amplitude .
由于缓解危机的措施规模也在扩大，其模式是一种振幅日渐增强的周期。
The image is created based on the amplitude ( strength ) , frequency and time it takes for the sound signal to return from the patient to the transducer and the type of body structure the sound travels through .
该图像是基于振幅（强度），频率和声音信号需要从病人返回到传感器的时间和身体结构类型所创建。
In leighton 's scheme , the sonar processor ( or dolphin ) multiplies the second returned click by 3 and then chooses to add or subtract this from the amplitude of the first returned click .
