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61. It takes a long time to get the SNR curve of a simplest bistable system because the ensemble average must be applied to the system .
62. Finally, a simulation analysis for the improved FFT frequency correction technology and phase-lock loop is maked, the result shows that the method also has a good performance in the low SNR situation.
63. It is necessary to study image denoising Methods: To enhance image signal to noise ration ( SNR ).
64. Findings indicate that the photon shot noise primarily determines the SNR.
65. By using the estimated coefficients of the sub-channels, the SNR of each subchannel can also be obtained.
66. This paper fully analysed the noise sources, mainly discussed two extra sources – Spurious Charge and Excess Noise Factor, and calculated the SNR of EMCCD.
67. The selection of N depends on the SNR, noise distribution in data and the number of stations.
68. Simulations confirm that both methods are robust, time efficient, and they perform well even in the condition of low SNR values and several simultaneous access users.
69. The character of high speed light pulse distortion and the fluency of the amplified spontaneous emission on the SNR gain under high power signal and pumper are analyzed.
70. The estimator presents both the estimate of instantaneous RDS and the estimates of noise variance, channel power and SNR of current channel with low computational comp.
71. The method , based on cross - ambiguity function, is more suitable for time delay estimation in low SNR.
72. The optimum detector for passive detection is energy detector. Yet energy detector usually deteriorates due to fluctuation of background interference and a decrease in SNR.
73. The simulation results show that the improved algorithm has much better performance than the traditional algorithm under the additive color Gaussian noise, short data records and low SNR conditions.
74. In the link level, the relationship of efficient link data rate and received SNR is analyzed with research on H-ARQ and AMC.
74. Sentencedict.com try its best to collect and build good sentences.
75. Signal - to - noise ration ( SNR ) is an important parameter of the image intensifier.
76. Simulation on different sigma-to-Noise Rate(SNR)shows weighted Mahalanobis distance method is the same with MMW target recognition.
77. The design scheme a multi - state trellis states also a better SNR performance than current reported schemes.
78. Then we detect and estimate the carrier frequency of negative SNR DS-SS Signal have done. Theoretic analysis and simulation prove the validity of the arithmetic.
79. To compensate for the deficiencies of traditional threshold functions and obtain the heart sound with high SNR for better analysis, a novel threshold function was proposed in this study.
80. 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.
81. The SNR improvement and code error probability reduce are considerable in QPSK modem system.
82. The reference noise impacts the converter's SNR and THD at higher ADCinput voltages (Figure 2).
83. So, an alternative explanation is that the expanding debris cloud is sweeping up clumpy interstellar material, accounting for the odd shape of SNR 0104.
84. 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.
85. An effective way to increase the SNR is to reduce the fixed pattern noise. For UFPA, it is important to reduce the 1/f noise from the ROIC.
86. In deep space communications, one of the problems is how to transmit message credibly in low signal-to-noise ratio(SNR)channel environment.
87. Simulation shows that this method can accurately recover the modulating signal in low SNR circumstance.
88. According to laser radar echo characteristic, the difference filter and the match filter were adopted. As a result, the SNR is advanced about 1.5 times.
89. The AD7763 is ideal for applications demanding high SNR without necessitating design of complex front end signal processing.
90. Simulation results show that the signal-noise ratio (SNR) of coherent detection is lower than that of differential detection when bit error rate (BER) is same.