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demodulation

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demodulation
demodulation Electr. (diːmɒdjuːˈleɪʃən) [f. de- II. 3 + modulation.] The process of obtaining from a modulated wave or voltage a signal which has the same form as the signal originally used to modulate it; the recovery of modulation; cf. detection (sense 3). Hence deˈmodulator, a device or circuit u... Oxford English Dictionary
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Demodulation
History Demodulation was first used in radio receivers. PM QAM QAM demodulation requires a coherent receiver. wikipedia.org
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A Study on DBR Lasers and Related Demodulation Technologies
In this paper, the wavelength drift characteristics of narrow band DBR lasers are studied, and the corresponding wavelength drift correction techniques to improve the FBG wavelength demodulation accuracy (by 79%, from 75.8 pm to 15.9 pm) by the introduction of a temperature-controlled FBG reference optical path are investigated. ...
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demodulate
demodulate, v. Electr. (diːˈmɒdjʊleɪt) [Back-formation f. demodulation n.] trans. a. To subject to demodulation; to separate a modulating signal from (a modulated wave or carrier). b. To recover (a modulating signal) from or from a modulated wave or carrier.1932 Jrnl. Inst. Electr. Engin. LXX. 351/1... Oxford English Dictionary
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Non-orthogonal frequency-division multiplexing
Demodulation after FFT The 1st method of optimal processing for N-OFDM signals after FFT was proposed in 1992. Demodulation without FFT Demodulation by using of ADC samples The method of optimal processing for N-OFDM signals without FFT was proposed in October wikipedia.org
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ZIF
refer to: Zero insertion force, a way to connect an electrical connector without applying force to the connector Zero Intermediate Frequency, a radio demodulation wikipedia.org
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Reduced-carrier transmission
Suppressed-carrier transmission is a special case in which the carrier level is reduced below that required for demodulation by a normal receiver. Carrier power must be restored by the receiving station to permit demodulation, usually by means of a beat frequency oscillator (BFO). wikipedia.org
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(PDF) Optical fiber SPR sensing demodulation algorithm based on all ...
The experimental results show that the refractive index sensing sensitivity and the detection resolution of the fiber SPR sensor are 1640.4 nm/RIU and 7.36×10⁻⁴ RIU respectively by using this ...
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Multiuser detection
Multiuser detection deals with demodulation of the mutually interfering digital streams of information that occur in areas such as wireless communications It is also being currently investigated for demodulation in low-power inter-chip and intra-chip communication. wikipedia.org
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Stage PFE - Modélisation 3D du bassin de démodulation de Cadarache ...
Stage : Stage PFE - Modélisation 3D du bassin de démodulation de Cadarache - Ingénierie Hydraulique F/H (2023-88189) chez Edf à Chambéry. Postulez dès maintenant et trouvez d'autres jobs sur WIZBII
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频率偏移调变
其中，为频带宽度，为原始信号带宽 中心载频 调制 解调 可分为同调解调（Coherent Demodulation）与非同调解调（Noncoherent Demodulation）两种。前者需要估计载波之相位，后者则否。 wikipedia.org
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Carrier recovery
compensate for frequency and phase differences between a received signal's carrier wave and the receiver's local oscillator for the purpose of coherent demodulation Costas loop The carrier frequency and phase recovery, as well as demodulation, can be accomplished using a Costas loop of the appropriate order. wikipedia.org
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Accurate Measurement in Doppler Radar Vital Sign ... - ResearchGate
Utilizing Doppler radar to conduct noncontact vital sign detection has attracted growing interest in recent years. Aiming to extract the vital sign information from the baseband signal effectively ...
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Christopher Bingham
Godfrey and John Tukey he introduced complex demodulation into the analysis of time series. wikipedia.org
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Signal transmission
Transmission system technologies typically refer to physical layer protocol duties such as modulation, demodulation, line coding, equalization, error control wikipedia.org
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