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(31) To improve beamforming under low signal-to-noise ratio, a method based on stochastic resonance(SR)in a bistable model is investigated by using a frequency scale transformation method.

(32) For the processing of seismic data with low signal-to-noise ratio, it is important to eliminate the coherent and random noises.

(33) The relationship between the probability of error, the signal-to-noise ratio of detector and the resolution of amplitude was deduced.

(34) In communication of deep space[Sentencedict.com], the receiving of low signal-to-noise and multi-address communication can be realized with pseudo-random code signal.

(35) An effect of the transfer noise in the CCD on the output signal-to-noise ratio of the cor-relator is analyzed theoretically.

(36) In the space solar telescope(SST), the image integration method is used to increase signal-to-noise ratio(SNR)of the solar magnetic field images.

(37) Experimental results show that the method outperforms on both visual quality and peak signal-to-noise ratio (PSNR), and can be effective to stop error propagation.

(38) The number of bits on each subchannel depends on the Signal-to-Noise Ratio of the subchannel .

(39) The measure module has bigger Signal-to-Noise Ratio because adopting instrumentation amplifier, Programmable gain amplifier and accumulate measurement.

(40) As for the choice of the microwave irradiation frequency, the trade-off must be made in order to insure the penetration depth of the microwave signal, imaging contrast and signal-to-noise ratio.

(41) What is the channel capacity for a teleprinter channel with a 300-Hz bandwidth and a signal-to-noise ratio of 3 dB, where the noise is white thermal noise?

(42) It deeply analyzes composition of noise and its effected factor, and introduces how to measure the signal-to-noise ratio, total harmonic distortion and effective number bits of the ADC.

(43) Computer simulation results show that the signal-to-noise ratio can be enhanced considerably The problem of strong ocean wave interference is solved.

(44) In deep space communications, one of the problems is how to transmit message credibly in low signal-to-noise ratio(SNR)channel environment.

(45) The optical modulation characteristics, differential gain (DG), differential phase (DP) and signal-to-noise ratio (S/N) are described as well in this paper.

(46) The device can effectively improve photoelectric conversion gain of devices, limit the dark current of devices, and reduce the noise of devices, so as to obtain higher signal-to-noise.

(47) Experimental results show the correct vectors of camera are reserved while dithers are eliminated, the peak signal-to-noise ratio of smoothed video is higher than that of the original video.

(48) The advantage of this method lies in the reduction of data redundancy, and image quality and signal-to-noise ratio are improved.

(49) The loess plateau seismic survey is a difficult problem in the world, because too many disturbance factors of the loess overlay area result in too low signal-to-noise ratio.

(50) The Forward Passage Gain (FPG) is an important factor that affects the detection Signal-to-noise Ratio (SNR) and dead band nonlinearity of Fiber Optic Gyroscope (FOG).

(51) A sample-and-hold amplifier (SHA) was used to improve the signal-to-noise and distortion ratio (SNDR) performance and the linearity of ADC.