نتایج جستجو برای: demodulation
تعداد نتایج: 2300 فیلتر نتایج به سال:
The deployment of low earth orbits is seen as a promising way enlarging data capacities well high rates. Catering to these interests, optical communication presents possible ways larger bandwidth than microwave communication. current generation mainstream systems are classified coherent and incoherent systems, in particular, have received more attention owing their receiving sensitivity. This s...
This paper presents a low-frequency amplitude modulator and demodulator based on Field Programmable Analogue Array (FPAA) devices. For creating the FPAA circuits, amplitude modulation and synchronous demodulation methods known from designing analogue RF transmission systems have been adapted. The proposed system allows redesigning the analogue conditioning stage thanks to the use of a FPAA devi...
-For non-relaying cooperative networks, the previous work proposed a distributed space-time block code (STBC) scheme considering information exchange errors in two-user cooperative networks. We propose a distributed Hybrid multiple-input multiple-output (MIMO) Transceiver scheme (HMT) considering information exchange errors in three-user cooperative networks. For relaying cooperative networks, ...
An important issue in the emerging field of multifrequency atomic force microscopy (MF-AFM) is the accurate and fast demodulation of the cantilever-tip deflection signal. As this signal consists of multiple frequency components and noise processes, a lock-in amplifier is typically employed for its narrowband response. However, this demodulator suffers inherent bandwidth limitations as high-freq...
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