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anechoic造句
1. Noise is measured in anechoic room. 2. In this paper, the building requisition of the anechoic room is introduced and the free sound field is emphasized. 3. The paper establishes reverberation - anechoic chamber sound insulation test method via lot of test research and demonstration. 4. Computation of the acoustic field in an anechoic tank is important for selection of absorption lining. 5. In the design of anechoic room, the acoustic principle should be obeyed, the requirement of application, the acoustic environment and the cost of construction should be considered. 6. Maintain test and measurement area , including anechoic chamber , rooftop measurement area, and listening rooms. 7. Responsible for anechoic chamber designs for EMC and antenna test and measurement requirements. 8. A NSA model of impact anechoic chamber ispresented herein theoretically. 9. It's better than primary dissipative muffler in anechoic quality and aerodynamic quality. " 10. Sonographic patterns of joint effusion were:anechoic, cloudy, mixed and snow-storm on high-frequency ultrasound. 11. The method is easy to be implemented and the results of acoustic experiments in anechoic room show that offered method is effective. 12. In this paper, the design of acoustic environment in the anechoic room, reverberation chamber and simply equipped room for noise measuring is presented. 13. Test Results of high-range resolution images from a phased array radar in microwave anechoic room are given, which demonstrate the validity of the analysis. 14. Every band of octave-band and 1/3 octave-band is measured based on JB/T10504-2005. The testing results of the anechoic room prove that its capability accords with the requirements of the standard. 15. The effectiveness of proposed method was verified by roller bearing test in anechoic room. 16. It is the important reference for the evaluation of anechoic chamber performances. 17. TLM method can also be used to simulate the measurement of antenna array in microwave anechoic room. 18. A series of S-shaped inlets bended vertically and horizontally are tested in the microwave anechoic chamber to study relative curvature's influence. 19. The paper measures the electromagnetic leakages of computer in GTEM cell and EMC microwave anechoic chamber. 20. The article introduces a new method about design electromagnetic wave anechoic chamber and provide basic flowchart.