Search results with tag "Frequency shift keying"
Satellite Telemetry, Tracking and Control Subsystems
ocw.mit.eduOct 29, 2003 · • Phase shift keying (PSK) • Frequency shift keying (FSK) Ground Support Equipment Spacecraft Command System Radio Frequency link Modulation. Command Decoders • Detects PCM encoding and outputs binary stream in non-return-to-zero format • Outputs clock signal • Outputs lock/enable signal
LABORATORY MANUAL - ECE
www.ece.ucf.edu• Experiment 4: Line Coding (Manchester) 21 • Experiment 5: Frequency Shift Keying 25 • Experiment 6: Phase Shift Keying 33 ... the modulation and demodulation process of PCM using a pre-built hardware board. Theory Pulse Code Modulation (PCM) is a method of converting an analog signal into a digital signal (A/D ...
Digital Modulation - University of Pittsburgh
sites.pitt.eduBinary Frequency -Shift Keying (BFSK) • Two binary digits represented by two different frequencies near the carrier frequency – where f 1 and f 2 are offset from carrier frequency f c by equal but opposite amounts – B = 2([f 2 – f 1]/2 + f b) • Where f b = input bit rate ( ) s t = Acos(2pf 1 t) Acos(2pf 2 t) binary 1 binary 0 Phase ...
Binary Phase Shift Keying (BPSK) - Sonoma State University
www.sonoma.edu11/18/14 5 Binary Frequency Shift Keying (BFSK)!! In BFSK, information is transmitted by sending carrier bursts of two different frequencies, f 1
Experiment 6: Frequency Modulation (FM), Generation and ...
wwwusers.ts.infn.itsignals of the FM band (88-108 MHz) vs. the AM band (450-1650 KHz). ... if the modulating signal is a digital waveform, then the resulting FM signal is a frequency-shift-keying signal (FSK) which you have seen in experiment #2. ... the demodulation process is much more linear since the high-pass function is: Vo Vi =H() ...
Introduction to Digital Modulation
personal.utdallas.eduBinary frequency shift keying (FSK): a(t)=1 ζ(t): ζ(t)=2 π(∆/2)t + φ1 for symbol “1” ζ(t)=-2π(∆/2)t + φ2 for symbol “0” where ∆is the frequency separation between the signals for symbols “1” and “0” respectively, φ1 and φ2 are any constants in [-π,+ π]. The modulated signal is
Quick-Start Guide to Q65 - Princeton University
physics.princeton.eduQ65 uses 65-tone frequency-shift keying and builds on the demonstrated weak-signal strengths of QRA64, a mode introduced to WSJT-X in 2016. Q65 differs from QRA64 in …
RF Basics, RF for Non-RF Engineers - TI.com
www.ti.com• Frequency Shift Keying (FSK): Pros: less susceptible to noise Cons: theoretically requires larger bandwidth/bit than ASK Popular in modern systems Gaussian FSK (GFSK), e.g. used in Bluetooth, has better spectral density than 2-FSK modulation, i.e. more bandwidth efficient 1 01 t 10 1 Source: Lili Qiu
CC120X Low-Power High Performance Sub-1 GHz RF ...
www.ti.comCC120X SWRU346B Page 2 of 114 Abbreviations Abbreviations used in this data sheet are described below. 2-FSK Local OscillatorBinary Frequency Shift Keying LO