demodulate

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demodulate

[dē′mäj·ə‚lāt]
(communications)
To recover the modulating wave from a modulated carrier. Also known as decode; detect.

demodulate

demodulate

To isolate a data signal from a carrier wave. The demodulation circuit uses the unmodulated carrier as a reference signal and compares it to the received signal. See modulation and carrier.
References in periodicals archive ?
DiBcom's DIB7000-H enables TV signal reception via its demodulating chipset, which is packaged as a hardware dongle for handheld devices.
Introduced in February 2005, DiBcom's DIB7000-H is the world's first chip capable of demodulating both Digital Video Broadcasting -- Handheld (DVB-H) and Digital Video Broadcasting -- Terrestrial (DVB-T) transmissions.
By capturing the transmit and receive data buses (digital I&Q or digital IF), and demodulating them within the Agilent Digital VSA solution, communication system architects have greater insight into true circuit functionality, thus quickly identifying design flaws and accurately characterizing circuit performance.
While traditional solutions are capable of tuning and demodulating a single 6 or 8MHz channel, a BL12000 system is capable of simultaneously tuning and demodulating sixteen 6MHz channels (North America), or twelve 8MHz (Europe, Asia) channels, after which the resultant data streams can be joined together into a single output "super stream.
The Xilleon 240 TV-On-Chip includes a powerful MIPS(R) CPU (central processing unit), a Digital Front End capable of demodulating and decoding 8VSB for ATSC terrestrial broadcasts or 64/256 QAM for digital cable (including a Forward Data Channel demodulator for OpenCable applications), an HD/SD capable MPEG video and audio decoder, an NTSC video decoder featuring a 3D comb filter, a video scaler and deinterlacer, and other image processing features.
Under the terms of the contract, Applied Signal Technology will provide the Italian Military two mobile microwave receiving systems capable of intercepting and demodulating signals.
Samsung's ITD is the critical electronics component for providing both radio frequency (RF) tuning and demodulating functions in new-generation digital television sets and OpenCable(TM) set-top boxes.
The FDCCH Decoding Receiver for IS-136 decodes system identity (SID) and Dedicated Control Channel (DCCH) structure messages from the FDCCH, demodulating IS-136 layer 3 messages and Digital Verification Color Code (DVCC) messages on control and traffic channels, all in one receiver.