| 1. | Vibration measurements and analysis of an offshore platform 海洋平台低频振动测试 |
| 2. | Study on vibration sensor of ultra - low frequency 超低频振动传感器的研究 |
| 3. | Study on ultra - low frequency vibration sensor 超低频振动传感器的研究 |
| 4. | The system of vibration testing based on virtual instruments technology 的虚拟低频振动测量系统研制 |
| 5. | In chapter 5 , the ultra - low - frequency vibration calibration system is developed 第五章具体实现了超低频振动校准系统。 |
| 6. | Study on piezoelectric resonant sensor mechanism in ultra - low frequency vibration 压电谐振传感器机理在超低频振动中的研究 |
| 7. | Study on ultra - low frequency vibration sensor by using magnetoelectric speedometer 用磁电式速度计实现超低频振动传感器的研究 |
| 8. | Design of the power amplifier for ultra - low - frequency vibrator calibration system 用于超低频振动校准系统的低失真度功率放大器的设计 |
| 9. | The purpose of this thesis is to study the large range low frequency vibration control of benfield system frame in jianfeng ammonia plant 本文的研究目的是控制建峰化肥厂合成氨装置苯菲尔框架大幅低频振动。 |
| 10. | Using subdivided control method in the system can markedly decrease low frequency vibration of the motor , and can enhance motor ' s accuracy 步进电机细分控制策略能够有效地克服电机低频振动的问题,提高了电机在中、低速运行时的性能。 |