| 1. | Measurement of exterior noise emitted by earth - moving machinery - dynamic test conditions 工程机械动态试验条件下机外辐射噪声的测定 |
| 2. | Measurement of exterior noise emitted by earth - moving machinery - stationary test conditions 工程机械定置试验条件下机外辐射噪声的测定 |
| 3. | Acoustics . measurement of exterior noise emitted by earth - moving machinery . dynamic test conditions 声学.土方机械发出的外部噪声的测量.动态试验条件 |
| 4. | Acoustics - measurement of exterior noise emitted by earth - moving machinery - dynamic test conditions 声学.土方机械发出的外部噪声的测量.动态试验条件 |
| 5. | Acoustics - measurement of exterior noise emitted by earth - moving machinery - stationary test conditions 声学.土方机械发出的外部噪声测量.静态试验条件 |
| 6. | Airborne noise emitted by earth - moving machinery - method of measurement of exterior noise in dynamic test conditions 土方机械发出的空气中噪声.动态试验条件下外部噪声的测量方法 |
| 7. | Airborne noise emitted by earth - moving machinery . method of measurement of exterior noise in dynamic test conditions 土方机械发出的气载噪声.第3部分:动态试验条件下外部噪声的测量方法 |
| 8. | Acoustics . measurement of airborne noise emitted by earth - moving machinery . method for determining compliance with limits for exterior noise . stationary test condition 声学.土方机械发出的空气中噪音的测量.室外噪音限制符合性的测定方法.静态试验条件 |
| 9. | In this paper , the multiresoultion analysis of wavelet theory will be applied to recover the measured signals and to decrese the influence of exterior noise 本文研究目的为为利用小波理论中的量测信号多尺度表现方法,探讨多尺度分析于环境量测信号与杂讯分离技术之可行性。 |
| 10. | The system based on pid control theory has characteristics of fast response speed and higher peak overshoot , and it also has a good performance of tracking , but it is lack of ability of disturbance rejection . because smvs control method is insensitive to the variations of the model parameters , nonlinear and exterior noises , the attitude stabilization system designed based on smvs has fast response speed , higher ability of disturbance rejection and has no peak overshoot , namely , the system is robust 仿真结果表明,基于pid控制规律设计的系统具有响应速度快但超调大的特点,系统的跟踪性能较好,但抗干扰能力较差;滑模变结构控制方法因为其对模型参数的变化、非线性和外扰噪声的不敏感性,设计的声纳基阵姿态稳定系统无超调,响应速度快而且抗干扰能力强,具有很好的鲁棒性。 |