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. 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.

31. In the paper, based on the require of acoustical environment and acoustics theory, the noise control way to it is introduced after detailed research and analysis, and had gotten ideal performance.

32. System assessment, system optimizing designs and aliasing noise control all can be done based on information rate.

33. It is very important to arrange appropriately the error sensors for Adaptive Active Noise Control ( AANC ).

34. Active noise control(ANC)is a new high technology integrated with acoustic[http://], adaptive control and digital signal process and it has become the research focus center of noise control.

35. Simultaneously, provide a way for the noise control of other big road machine.

36. Modal optimal control of intelligent inner noise control was studied. Modal controller design method was given based on the modal optimal control equation.

37. The most direct method of noise control is the reduction of the noise at its source.

38. It can provide the base for noise control of pneumatic drill.

39. The noise produced by Roots blower was effectively reduced with advanced noise control techniques in the coal washing plant of Fenghuangshan Mine.

40. Muffler is the conventional muffling device in the noise control of compressor.

41. Features:Industrial dust removal ability , with interiors of a large dust bag, Lamb Motor, and patent noise control system.

42. In addition, many examples of the practical application of the results of basic research in fields such as noise control, audiology , or sound quality engineering are detailed.

43. Points out the key issues in noise control including the arrangement of sound absorber, noise transmission from machine room and duct and noise superposition.

44. Within the passenger compartment the three - piece roof ensures unrestricted all - year driving pleasure and excellent noise control.