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1. A stable programme control exciter and weak signal pickup circuits are designed, and a 16 channels magnetic induction tomography hardware system is finally completed.

2. The system can be used for the periodical weak signal detection in strong noise back - ground.

3. They may be compared to the weak signal coming in over a long - distance telephone line.

4. The principle and the weak signal detection technology of are introduced , andobtained fromthis paper.

5. Second, the response on the weak signal microwave probe field of the SQUID array working in another way– under DC bias magnetic field is studied.

6. Under weak signal environments, bit synchronization is very important and difficult in GPS receiver design.

7. Used in TVs frequency channel conversion or weak signal import loop circuits.

8. The interception of weak signal is discussed from the angle of receiving sensitivity in this paper.

9. PD signal is weak signal, so the first problem of on-line monitoring is how to pick up the weak anti-stationary random signal.

10. Also its signals would contain a lot less noise, particularly important in measuring and handling very weak signals.

11. The working principle and the hardware's core design of the system are introduced, which integrate gas photoionization detection, weak signal gathering, signal detection and data processing, etc.

12. 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.

13. Once kidney disease progress to the medium - term , the body will be issued some weak signal.

14. A sinusoidal was used as a bias phase modulation wave and the open loop demodulation used the weak signal detection technique.

15. It is proved that stochastic resonance is a very useful tool for weak signal extraction from...

16. These experiments of functional extendibility , which are designed by myself and validated successfully, further verify the effectiveness of Weak signal detection theory.

17. Especially I do an in-depth research and improvements on the real-time detection and algorithmic complexity issues which has troubled the traditional weak signal detection.

18. Aimed at long detection distance and heavy noise disturbance in the long-distance-coefficient infrared thermoscope , a new digital phase sensitive detection method for weak signal was proposed.

19. As a foremost result, it is found that there exists an optimal set of coupling strength and topological randomness under which the system can detect the external weak signal most effectively.

20. Simulation result show that this method exhibits a certain effectiveness for weak signal extraction.

21. It is proved that stochastic resonance useful tool for weak signal extraction from strong noise.

22. As a digital programmable chip of signal conditioning chip, PGA309 is mainly used in resistance bridge pressure sensors, it amplifies and outputs the weak signal from the sensor.

23. Biorthogonal spline wavelet may work for the identification of its weak signal.

24. The MCU replaces the operational amplifier circuit so as to strengthen the system of common-mode rejection,[Sentencedict.com] improve the problems of weak signal transmission.

25. Lastly, it is introduced for chaos'application in electronic jamming. It includes the detecting technology for weak signal and chaos security communication.

26. The water-cooling system is very important for the safe operation of generator. The water leakage detection of the system is typically a problem of weak signal extraction under strong disturbances.

27. The system can realize the space signal processing and real time signal processing. It has been successfully applied in underwater weak signal detection.

28. A new micro-ampere detector, which uses the data amplifier to enlarge the weak signal, is developed according to the principle of the ampere detection and the potentiostat.

29. Simulation results verified that the method has higher stability and reliability and is effective in weak signal extraction in chaos.

30. Fourier's analysis method was further used to discover frequency multiplication weak signal.