1. Signal to Noise Ratio ( SNR ) : The ratio of the signal to the random noise setdata.

2. Given signal - to - noise ratio and bit error rate performance curve is a good beginners reference program.

3. For maximum exceed noise ratio generated, circuit structure to match the equivalent circuit diagram of the solid-state noise diode in avalanche breakdown state has been designed.

4. Simulation results show that, compared with the known methods, the model can remove noise more efficiently, keep edges more clearly, and it also has higher peak signal to noise ratio.

5. However, note that reducing the shunt resistance will degrade the signal - to - noise ratio.

6. The experimental results demonstrate that the results of the proposed method are closer to the real images, with a higher peak signal to noise ratio.

7. In the paper, the proposed method effectively improves the output noise ratio of the weak signal detection, and increases the monopulse radar tracking range a lot.

8. The effect of quantification noise, saturation noise and bit error noise of synthetic aperture radar(SAR)raw data on the signal to noise ratio of distributed targets is analyzed.

9. Experiment results show that in low bit rate environment, the new image compression scheme performs better than JPEG in the aspects of perception and PSNR (Peak Signal Noise Ratio).

10. Clearly, It excelled some similar filters in terms of image vision effects, the peak signal to noise ratio, the mean square errors after using LLMF by experiments.

11. The reason for deteriorated performance of conventional orthogonalization algorithms for adaptive jamming cancellation at low jamming to noise ratio (JNR) was analyzed.

12. All analysis and conclusions build on monopulse radar and high signal - to - noise ratio hypothesis.

13. To overcome pulse noise influence to image quality, discrete dyadic wavelet transform (DDWT) is used to reduce the noise influence and improve signal to noise ratio (SNR).

14. This letter mainly deals with the base of adaptive modulating technique: Channel estimation technology and the signal to noise ratio vs. error bit rate performance of MQAM.

15. An interpolation filter based on over sampling theory and the theory of mean evaluation is designed, so as to increase ADC resolution and SNR (Signal Noise Ratio) through software.

16. Using the characteristics of phased modulated signal , higher output Signal to Interference plus Noise Ratio is obtained for a fixed transmitter by transmitting more energy.

17. Combining the concentration modulation spectroscopy with velocity modulation spectroscopy, the dependence of the signal to noise ratio on the modulation depth and various other factors are obtained.

18. Companding is a useful technique for improving the signal to noise ratio (SNR) over poor radio channels .

19. Many kinds of normal mode decomposition method have already been derived using pressure hydrophone array. But the performances of these methods are too sensitive to the signal to noise ratio.

20. The objective digital film image quality assessment based on peak signal to noise ratio, together with structural similarity and human vision system is proposed./noise ratio.html

21. The coherent noise of single mode fiber is restrained by the amplification effect of anti Stokes Raman backscattering, and the signal noise ratio of sensor system is improved.

22. The algorithm is tested by three remote sensing images, all of the results show that the new model has higher peak signal to noise ratio and higher edge preserve index than the known methods.

23. It can be seen from the theoretical analysis that the signal to noise ratio in the output of the canceler will improve when the signal to noise ratio in the reference input drops.

24. It performs better than widely used mean square error and peak signal to noise ratio.

25. In order to improve the detecting ability and detection probability of the laser ranger, the Signal Noise Ratio(SNR) of the return signal is to be increased.

26. The exponential gain, the diffractive efficiency, the response time, photoconduction and signal to noise ratio or the crystals were measured.

27. It is shown that, in a certain range of signal to noise ratio, the bearing accuracy of split beam method is much better than the method of sum beam.

28. It is demonstrated that ML estimating error can converge to CRB quickly with increasing synthetic aperture length and Signal to Noise Ratio(SNR), but a threshold effect exists.

29. When the signal is weak, and the photon noise can be ignored, it is very simple to derive NEP and D from signal to noise ratio.

30. The benefits of large effective area fibers are higher power handling capability for improved system signal to noise ratio (SNR), and longer amplifier spacing.

31. The development of organic colorants is focused at present on those with high recording sensitivity, high stability and high signal to noise ratio.

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

33. It affects the SNR signal - to - noise ratio and the THD ( total harmonic distortion ) of a conversion.

34. The high signal - to - noise ratio and large dynamic range measurement of light signal long distance is realized.

35. It is showed that the optimal mode number was associated to the signal to noise ratio (SNR), and the Hartmann sensor was suffered from measurement noise severely in the condition of weak turbulence.

36. Then the low noise amplifier amplifies the signal. Band pass filter and correlated demodulator and other circuits were also used to improve the signal noise ratio and reach wanted amplitude.

37. In addition, the using condition of correlation detector and the relationship between the normalized correlation detector and SNR (signal noise ratio) are discussed in this paper.

38. With this approach, we can detect the number of(M-1) coherent signals with M sensors under a lower signal to noise ratio(SNR) and a smaller sampling number.

39. Compute the signal to noise ratio to show what you propose is plausible.

40. The size of transmitter loop is mainly for strength of signal to satisfy reviver sensitivity and signal to noise ratio.

41. The system provides two major functions including measuring noise temperature of low noise devices and calibrating the Excess Noise Ratio(ENR) of solid-state noise sources.

42. Matching precision and acquisition probability are gained through the number of independent pixels, signal noise ratio and the statistic of correlation functions in the process of scene matching.

43. The results showed that signal to noise ratio, detection limit and linear range were greatly improved.

44. There are many kinds of image fusion methods, such as information entropy, mutual information, mean square error, peak signal to noise ratio and mean grads.

45. Experimental results on several kinds of a stream show that the Peak Signal to Noise Ratio (PSNR) only has change while the subjective image quality improves well.

46. Completion of a given sequence to quantify and calculate the quantization error signal to noise ratio.

47. The output signal - to - noise ratio ( SNR ) in an additive white Gaussian noise ( AWGN ) channel is calculated.

48. The computer simulation is made, and the results show that this method get higher signal to noise ratio and better signal restoration, when apply to the coherent noise corrupted digital signal.

49. QPSK the additive white Gaussian noise environment, and the signal - to - noise ratio of the simulation.

50. Experimental results showed that the new method presented here was much effective in removing white noise,[http:///noise ratio.html] and gave better Peak Signal Noise Ratio (PSNR) gains than single wavelet base denoising.

51. Finally, the new assessment index is compared with classical peak signal noise ratio (PSNR) and the result is satisfied for human subjective sensation.

52. Computer simulations show that new algorithm improves peak signal to noise ratio, restoration effects and efficiency of operations, and speeds up the convergence speed.

53. The photometric signal - to - noise ratio is roughly proportional to the square root of the signal intensity.

54. At the same time it reduces the losing of the details of picture information and raises the signal noise ratio of the algorithm of median filter.

55. Using CHAMP observational data samples, the profiles of atmospheric bending, refractivity, pressure, and temperature were retrieved in tern by the series of signal noise ratio.

56. The final conclusion is: edge technique has high signal to noise ratio, small statistical errors, large measuring range in high accuracy, and can prevent back ground noise in some way.

57. The proposed method can eliminate the noise effectively and provide the improved Peak Signal Noise Ratio (PSNR) over wavelet and contourlet transform.

58. Taking account of the noise in both the calibration system and the radar echo, the signal to noise ratio (SNR) after the pulse compression of the calibrated echo is analyzed.

59. We introduce a general model for the calculation of the optical signal to noise ratio (SNR) of the optical cross connection (OXC) in optical networks in this paper.

60. Simulation results show that the average peak signal noise ratio is increased with various video sequences.

61. Strip line BPM has a higher signal amplitude, a higher signal noise ratio and a higher space resolution.

62. UST real time signal process system is called signal extraction system. It can increase signal noise ratio through synchronization and average and limited pulse response filtering.

63. Through the computer model curve, we may clearly obtain the corresponding signal to noise ratio the bit error rate value.

64. When seismic data signal to noise ratio is low and conventional processing effect is not good, scaling down processing may be introduced in data processing.

65. This paper introduces a kind of rough property test method of radar receiver with on-line test, which estimates radar property according to the signal noise ratio of fixed object echo signal.

66. By this filter, the shift, scale and rotation invariant optical pattern recognition was realized with a high signal noise ratio of correlation output.

66. try its best to collect and create good sentences.

67. With this filter , the signal - to - noise ratio of a MCG is improved to the intrinsic noise level.

68. Related detection must guarantee signal synchronization sampling, and get the biggest signal noise ratio.

69. The detection limit of iodede by this method is 0. 012μ g · ml - 1 ( Signal - to - noise ratio 3:1 ).

70. However, in respect of a vibration acceleration signal, the signal to noise ratio (SNR) is often so small that the periodic impulse component is submersed in its intense background noises.

71. The signal to noise ratio in the deep space communication channel is so low that high quality channel coding scheme is essential for deep space comnunication systems.

72. The radiofrequency coil, as firstof the receive chain, is the main factor of signal - to - noise ratio.