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1. The noise control law could placate airport neighbors, who oppose growth because of the noise.

2. Online secondary path modeling for active noise control system is researched in this paper.

3. Therefore, the research on tread pattern noise control not only has far-reaching theoretical importance, but also has abundant practical value.

4. Application of DSP in active noise control, noise control principle and algorithm implementation of noise control based on DSP are presented. In the end, experiment al result is also given.

5. The active noise control technology and adaptive control technology were combined together in the paper, the adaptive and active broadband sound absorption system was designed.

6. The noise control of ATLS large centrifugal blower in smelter is introduced in this paper. the noise has high power, high frequency.

7. The result provides valuable reference for projects including noise control diagnosis acoustical environment design etc.

8. A noise control project for diesel electric generator in small room is depicted in this paper.

9. In addition, the trend of the power transformer noise control is prospected.

10. Noise control . Noise in the area should controlled and minimized where possible.

11. The discussion is favorable for noise control of the hull. This thesis presents the theory of sound absorption technology and sound isolation technology in the traditional noise control technology.

12. Therefore the noise control and study is not only for the environment protection requirement but also the problem to be solved for industry products quality improvement and loss reduction.

13. Active noise control (ANC) is studied for acoustic systems, in which both primary path and secondary path are unknown.

14. Noise reduction optimization is the kernel and the difficult aspect of tread pattern noise control.

15. The architect and the building committee will next address more practical issues such as noise control and how to avoid causing disturbance to students and staff during construction.

16. A single heat pump unit or more of the noise control.

17. To ensure better image resolution, both scientific reconstruction method and effective noise control are needed.

18. And adaptive control algorithm is the core principle of active noise control.

19. Slit is an excellent channel for noise transmission, while a natural enemy of noise control.

20. This thesis proposes a method for controlling ship's internal airborne noise with the traditional noise control technology and the active noise control technology.

21. This is of great importance to noise - reducing and noise control of gear system.

22. The results showed that the restraint variable-dimension method not only could have high calculation accuracy and good numeric stability but also have certain data noise control capability.

23. Objective To improve SPECT image quality through applications of scientific reconstruction method and logical noise control.

24. Nowadays, series of excellence are obtained from the research of vibration and noise control.

25. Nonminimum (NMP) phase problem is in general the cause of failure of the conventional active noise control approaches in suppressing random noises.

26. The simulation result shows that model - free technique is effective on multi - channel active noise control system.

27. Thesystem can provide scientific bases for enterprise site selection and noise control.

28. Take the manufacture of Z535 variable speed gear box for example, to analyze the causes of gear noise and effective technological means of noise control.

28. Sentencedict.com try its best to collect and build good sentences.

29. Some experimental formulae about jet sound power and jet noise pressure which are contributed by the Noise Control Laboratory of The Pennsylvania State University are recommended.

30. A modal control method and controller design scheme for intelligent mechanically electrically acoustically coupled noise control system is proposed.