modulation (AM), frequency modulation (FM), or phase
Two common forms of modulation are Amplitude Modulation (AM) and Frequency Modulation (FM).
Definition - What does Frequency Modulation (FM) mean?
A frequency modulation (FM) antenna realization device is disclosed in the present invention.
Frequency Modulation (FM) and Phase Modulation (PM) are all forms of Angle modulation.
Further provided is a method of frequency-modulating with a modulation frequency (Fm) a controllable oscillator (16) having a center frequency (Fc) with a constant frequency modulation index.
Audible signal device with frequency modulation
Audible signal device with frequency modulation
flicker noise frequency modulation
The modulation section (12) performs frequency modulation in accordance with a frequency trajectory signal (28, 30, 32).
frequency division multiplex FM
high density FM carrier
PFM pulse compression
The present invention provides an FM/Chirp complex frequency modulation method, which relates to the communication field.
portable VHF-FM radioset
F M carrier wave system
F M auditory training system
chirp modulation pulse compression
wide-deviation frequency-modulation system
medium sensitivity frequency-modulation receiver
The improved DPSK modulation is frequency modulation of a phase encoded signal.
Frequency modulation of the laser output is achieved by varying the amplitude of the radio frequency signal from a power source (62) in response to a frequency modulating control signal from a modulation source (74).
The chirp signal has an initial and a final instantaneous frequency.
The invention relates to a process for determining the relative velocity in the radial direction between two moving objects, using linear frequency modulation with continuous frequency sweeps.
The invention is applicable particularly to radio receivers with digital frequency selection for MW and LW reception.
frequency-modulation improvement ratio
It achieves frequency modulation, width modulation and mixed controlling matter.
A modulator and a method of modulating utilizes phase or frequency modulation and amplitude modulation.
Modulation of the laser radiation is preferably performed by two-tone frequency modulation.
Each of the plurality of frequency modulated burst mode optical transmitters includes a frequency modulation modulator that modulates reverse electrical signals at a frequency, such as 1.21 GHz.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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