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(91) The key technology of high-frequency medical EIT system is presented in detail, i. e. the signal generator, voltage controlled current source, analog switch array and signal demodulation.

(92) Based on the analysis to signal detection theory of FOG, the analog demodulation circuit and digital logic circuit etc were designed, and prototype test was carried out.

(93) Incorporating 8PSK. demodulation system, Interpolator, Timing Error Detector, Loop Filter and Numerically Controlled Oscillator in DTTL Algorithm are analyzed in detail.

(94) Finally, the antenna, ASK modulation, power supply of the tag, load impedance modulation, demodulation, power supply sensor and HF power amplifier were realized.

(95) In the digital mobile communication, with the effect of modulation, transmission channels and demodulation, the received signal ineluctably has some distortion.

(96) An automatic tracing centric wavelength demodulation system based on the edge filter which can measure the wavelength of the narrow-band back-reflected spectrum FBG is described.

(97) Secondly, a DSTFT(Discrete Short Time Fourier Transform )-based demodulation method for the 2FSK signal is studied and algorithms for symbol synchronization and symbol decision are analysed.

(98) Symbol synchronization is used to confirm OFDM symbol's initiative position for accurate demodulation.

(99) Experimental results indicate that the timing scheme satisfied the requirement of miniaturized three - FOG to modulation - demodulation signal.

(100) It is clearly clarified the conceptions of quadrature modulation, quadrature exciting, quadrature receiving, and quadrature demodulation in the MRI system.

(101) Compared with in vitro AM modulation modes, the demodulator adopts the diode peak envelope detector for demodulation.

(102) Through judgement sampling, blind demodulation is realized prior information of received MPSK signals.

(103) Finally, the implement method of communication system applied noncoherent demodulation technique with frequency discriminator is discussed.

(104) The effect of in-phase and quadrature channel errors on digital quadrature demodulation is analyzed and an optimal digital filter design method is selected.

(105) A full digital demodulation scheme is proposed for HF QAM signal.

(106) This paper is mainly on the FSK demodulation algorithms suitable for frequency hopping signal interception.

(107) The 1-bit signal values may be are arranged into a signal value word that is bitwise logically combined with a carrier demodulation template word to produce a demodulated signal value word. Sentencedict.com

(108) The detection technique of phase generated carrier ( PGC ) demodulation method with laser frequency modulation is introduced.

(109) The digital demodulation is realized by use of recent digital signal processing technology.

(110) The system distortion is inevitable in ultra - wide - band quadrature demodulation receiver cons i sting of analog devices.

(111) In this paper, operational principle of CWDM linear sidebands filtering demodulation was elaborated and, experimental verification was made.

(112) In order to make a research on the software radio, this thesis focuses on key techniques for radio receiver including: DDC technology, the channelization model, modulation and demodulation algorithm.

(113) The system G/T value, broad-band, threshold of demodulation, video property, accompanying sound property as well as MTBF are discussed in the paper.

(114) The strain sensitivity was demarcated by experiment using spectrum character of ASE demodulation.

(115) Quadrature demodulation can distinguish negative frequency so it can overcome position uncertainties on imaging data space.

(116) This paper presents the implement of the all-digital symbol timing recovery using the DTTL Algorithm over 8PSK demodulation system.

(117) The scheme of complex demodulation, using parallel architecture, was provided.

(118) The traditional digital signal demodulation method that realizes more complex has the problems of carrier recovery, symbol synchronization and so on.

(119) Traditional way of AM signal demodulation is envelope detector or synchronism detector.

(120) The research contents mainly consist of symbol rate estimation, carrier frequency offset estimation, modulation recognition and blind demodulation.