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31. Assure the distinct and high quality of the target image, adopted the background noise filter procedure. The are many image process arithmetic implements in the system.

32. Scenario 5 had no music or ambient sounds ( background noise, like birds and wind ).

33. A bit of background noise on the phone enables our ears to filter out echoes.

34. For example, in holographic imagery the speckle pattern corresponds to troublesome background noise.

35. Conventional hearing devices amplify everything — from conversations to background noise to the clock ticking.

36. During testing process, Low-noise preamplifier is adopted to lower the background noise for the testing system.

37. Compared with light sources at visible band, they suffer less background noise.

38. He could still hear the Morse on the telegraph,[Sentence dictionary] and background noise did not disturb him as much as it did people with normal hearing.

39. The results show that two-level homomorphic NLM algorithm has the best performance from the aspects of background noise suppression, uniformity on the target and edge preserving.

40. In terms of the temperature inversion algorithms, background noise subtraction and the wavelet denoising algorithm are used to enhance the signal to noise ratio.

41. So, it causes the development of frequency estimation in colored background noise.

42. The imaging algorithm can incorporate new data into the image in a recursive fashion which causes image background noise to diminish over time.

43. Measurement method of nonlinear distortion is also discussed. Instruments made in China were used and background noise in the selective frequency meter was eliminated in the measurements.

44. The transfer of the music from record to tape suppressed much of the background noise.

45. A new stellar radiation spectral function was produced to convenience the background noise analysis of satellite optical communication system.

46. After a while in Asia[sentencedict.com], you notice the absence of a certain background noise.

47. At first, noise is reduced by median filtering. Secondly, the DQS (Difference Quadratic Sum) algorithm is presented to restrain the background noise and enhance the targets.

48. Steering exposure time of a camera through control electron shutter with laser echo pulse is an effective method for inhibiting background noise.

49. A second detector in a different location would help distinguish background noise from a genuine signature.

50. Fig. 1 The microelectrode recording of globus pallidus external (GPe) cells shows low background noise, with irregular or short-burst discharges.

51. Online monitoring of power system test signal contains a lot of background noise , not easy to detect.

52. Every analogue wireless system has background noise to a certain extent.

53. The sampled accelerator are composed of accelerator signal, background noise, impulse accelerator.

54. The characteristic of random seismic background noise was analyzed using the continuous signal got from the fixed seismic stations.

55. Constant e-mail notification, such as when the defect is assigned or opened by the developer, or when a note is updated, will be treated by the submitter as "background noise" or, at worst, spam.

56. The silence is not transmitted, but the information about the background noise level is.

57. It can be seen that the waveform of the background noise resembles pulses in appearance. The pulse noise can be effectively removed by the median filtering.

58. The method can be applied to the hydrodynamic noise testing facilities where there is stronger background noise and getting rather pure background noise as reference noise.

59. Grey-scale image processing such as image restoration, background noise elimination and contour extraction, etc. is drawn from the color image layer.

60. Soon you hear a lot of static, but then the needle simply disappears in a vibrational blur as the song in question is dimly but recognizably heard above the background noise.