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Continuous wave modulation (Amplitude, Frequency & Phase Modulation) [HD]
Continuous wave modulation (Amplitude, Frequency & Phase Modulation) [HD]
Published: 2017/04/16
Channel: Engineering Made Easy
Frequency-Modulated Continuous-Wave (FMCW) Radar
Frequency-Modulated Continuous-Wave (FMCW) Radar
Published: 2011/08/16
Channel: wolframmathematica
Basic CW AM FM Modulation Tutorial
Basic CW AM FM Modulation Tutorial
Published: 2016/10/26
Channel: James Eagleson
FMCW radar explanation 1
FMCW radar explanation 1
Published: 2017/01/23
Channel: harsha mangipudi
CW Radar
CW Radar
Published: 2015/06/22
Channel: Vidya-mitra
FMCW Radar
FMCW Radar
Published: 2015/03/20
Channel: Djremorse
Modulated CW from an Arduino
Modulated CW from an Arduino
Published: 2015/09/29
Channel: Michael Williamson
D-lab Electronics Defiant Ham Radio CW  Transmitter Modulator Demo
D-lab Electronics Defiant Ham Radio CW Transmitter Modulator Demo
Published: 2015/01/31
Channel: D-lab Electronics
Continuous wave
Continuous wave
Published: 2015/12/30
Channel: Audiopedia
What is CONTINUOUS PHASE MODULATION? What does CONTINUOUS PHASE MODULATION mean?
What is CONTINUOUS PHASE MODULATION? What does CONTINUOUS PHASE MODULATION mean?
Published: 2017/05/30
Channel: The Audiopedia
OBIS Laser Demo: Continuous Wave (CW) Modulation
OBIS Laser Demo: Continuous Wave (CW) Modulation
Published: 2014/11/13
Channel: Coherent Inc
Doppler RADAR or Continuous wave RADAR
Doppler RADAR or Continuous wave RADAR
Published: 2017/10/02
Channel: Engineering Funda
Amplitude Modulation and Frequency Modulation
Amplitude Modulation and Frequency Modulation
Published: 2015/05/09
Channel: Naveen Kumar
Arduino based CW keyer
Arduino based CW keyer
Published: 2015/10/07
Channel: Michael Williamson
Pulse modulation techniques (PAM, PWM, PPM, PCM) [HD]
Pulse modulation techniques (PAM, PWM, PPM, PCM) [HD]
Published: 2017/04/17
Channel: Engineering Made Easy
What is AMPLITUDE MODULATION? What does AMPLITUDE MODULATION mean?
What is AMPLITUDE MODULATION? What does AMPLITUDE MODULATION mean?
Published: 2016/12/03
Channel: The Audiopedia
Audio Modulated Tesla Coil
Audio Modulated Tesla Coil
Published: 2016/12/04
Channel: Kavionic
Types of Modulation
Types of Modulation
Published: 2017/03/12
Channel: Ajitha S
Optical Frequency Modulated Continuous Wave FMCW Interferometry Springer Series in Optical Sciences
Optical Frequency Modulated Continuous Wave FMCW Interferometry Springer Series in Optical Sciences
Published: 2016/09/23
Channel: O'Quinn
Plasma Modulation (Kr + I2)
Plasma Modulation (Kr + I2)
Published: 2013/03/09
Channel: Harrison Wieting
Download Optical Frequency Modulated Continuous Wave FMCW Interferometry Springer Series in Optical
Download Optical Frequency Modulated Continuous Wave FMCW Interferometry Springer Series in Optical
Published: 2016/10/03
Channel: A. Mariano
Engineer It - How to enhance accuracy in radar applications
Engineer It - How to enhance accuracy in radar applications
Published: 2014/05/19
Channel: Texas Instruments
Physics Communication Systems part 12 (Carrier wave, Modulation types) CBSE class 12
Physics Communication Systems part 12 (Carrier wave, Modulation types) CBSE class 12
Published: 2014/02/20
Channel: ExamFear Education
Video 3/5:  Radar range and velocity measurements using FM chirp signals
Video 3/5: Radar range and velocity measurements using FM chirp signals
Published: 2015/11/13
Channel: Rohde Schwarz
Download Optical Frequency Modulated Continuous Wave FMCW Interferometry Springer Series in Optical
Download Optical Frequency Modulated Continuous Wave FMCW Interferometry Springer Series in Optical
Published: 2017/01/19
Channel: Arreola
Continuous wave radar explanation. 4
Continuous wave radar explanation. 4
Published: 2017/01/16
Channel: harsha mangipudi
Rohde & Schwarz webinar: Analysis of FMCW radar signals in automotive applications
Rohde & Schwarz webinar: Analysis of FMCW radar signals in automotive applications
Published: 2014/07/10
Channel: Rohde Schwarz
EF Johnson Ranger Transmitter AM CW 6146 Tube Rig Lives again
EF Johnson Ranger Transmitter AM CW 6146 Tube Rig Lives again
Published: 2014/12/14
Channel: D-lab Electronics
Pulse Amplitude Modulation (PAM) Fundamentals [HD]
Pulse Amplitude Modulation (PAM) Fundamentals [HD]
Published: 2017/05/24
Channel: Engineering Made Easy
gr-radar: Dual CW Radar Demonstration
gr-radar: Dual CW Radar Demonstration
Published: 2014/07/15
Channel: Stefan Wunsch
Radar & The Doppler Effect
Radar & The Doppler Effect
Published: 2008/03/21
Channel: Robert Slade
24GHz Radar (BGT24MTR11) Demonstration with SDH’s Algorithm
24GHz Radar (BGT24MTR11) Demonstration with SDH’s Algorithm
Published: 2017/04/26
Channel: InfineonTechnologies
Medium wave transmitter using only a PIC Microcontroller!
Medium wave transmitter using only a PIC Microcontroller!
Published: 2009/08/08
Channel: eb4fbz
Amplitude Modulation Explained (Amplitude Modulation Waveform and Equation) [HD]
Amplitude Modulation Explained (Amplitude Modulation Waveform and Equation) [HD]
Published: 2017/09/02
Channel: Engineering Made Easy
Amplitude Modulation - RKTCSu1e09
Amplitude Modulation - RKTCSu1e09
Published: 2015/12/11
Channel: Learn By Watch
24GHz doppler radar (CW - Continuous Wave) - first test...
24GHz doppler radar (CW - Continuous Wave) - first test...
Published: 2016/04/27
Channel: sb5100MoD
Independent Research - FPGA Signal Processing of FMCW signal
Independent Research - FPGA Signal Processing of FMCW signal
Published: 2014/04/20
Channel: Dominic Guri
CW Transmitter 6v6 AM Tube modulator Kit demo by D-lab
CW Transmitter 6v6 AM Tube modulator Kit demo by D-lab
Published: 2016/01/03
Channel: D-lab Electronics
FMCW Radar Level Measurement: 24 GHz and 80 GHz technology in comparison
FMCW Radar Level Measurement: 24 GHz and 80 GHz technology in comparison
Published: 2017/05/03
Channel: KROHNE Group
Video 1/5: Radial velocity measurements using CW Radar signals
Video 1/5: Radial velocity measurements using CW Radar signals
Published: 2015/11/13
Channel: Rohde Schwarz
Medium wave transmitter using only a PIC Microcontroller! (2nd demo: pseudo polyphonic)
Medium wave transmitter using only a PIC Microcontroller! (2nd demo: pseudo polyphonic)
Published: 2009/08/08
Channel: eb4fbz
FMCW altimeter , advantages and disadvantages of FMCW radar explanation 2
FMCW altimeter , advantages and disadvantages of FMCW radar explanation 2
Published: 2017/01/23
Channel: harsha mangipudi
ASELSAN SERDAR-7M Sahil Gözetleme Radarı
ASELSAN SERDAR-7M Sahil Gözetleme Radarı
Published: 2017/08/19
Channel: BILGE KAGAN
BC-223-AX Transmitter WW2 Part 1 of 2
BC-223-AX Transmitter WW2 Part 1 of 2
Published: 2014/03/29
Channel: Actual Videos
Frequency Spectrum of Amplitude Modulation (Waveform and Equation Derivation) [HD]
Frequency Spectrum of Amplitude Modulation (Waveform and Equation Derivation) [HD]
Published: 2017/09/07
Channel: Engineering Made Easy
PSR-500 perimeter surveillance radar system
PSR-500 perimeter surveillance radar system
Published: 2017/02/10
Channel: Rockwell Collins
frequency modulation
frequency modulation
Published: 2016/04/23
Channel: Arpan Pathak
Frequency Modulation (Definition, Basics and Waveform) [HD]
Frequency Modulation (Definition, Basics and Waveform) [HD]
Published: 2017/11/17
Channel: Engineering Made Easy
Whistler CR93 filtering of K-band FMCW radar
Whistler CR93 filtering of K-band FMCW radar
Published: 2016/09/11
Channel: Veil Guy
Using a PXI RF Signal Generator
Using a PXI RF Signal Generator
Published: 2016/02/08
Channel: National Instruments
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
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Modulated continuous wave is defined by the Federal Communications Commission in 47 CFR §97.3(c)(4) as "Tone-modulated international Morse code telegraphy emissions having designators with A, C, D, F, G, H or R as the first symbol; 2 as the second symbol; A or B as the third symbol." See Types of radio emissions for a general explanation of these symbols.

Simply put, MCW uses a fixed audio tone to modulate a carrier wave. This is an older method of sending Morse code, with continuous wave being the more common method used today.

Unlike A1A CW transmissions, A2A MCW morse can clearly be heard on a normal AM radio receiver. It was commonly used by many RDF beacons to send a morse station identifier on a regular basis.

MCW can be transmitted from any common amateur radio transceiver in AM or FM mode with audio input from an audio tone oscillator or equivalent audio source.[1][2][3] MCW is not allowed in the United States on amateur radio frequencies lower than 50.1 MHz, or between 219 and 220 MHz, as it is a very inefficient use of radio spectrum. When the amateur radio transceiver is in SSB mode, the resulting modulation is J2A or J2B and therefore not MCW by definition.

F2A MCW morse can be heard on a normal FM radio receiver, and it is commonly used by both commercial and amateur repeater stations for identification. Also, F2A is sometimes used by other types of stations operating under automatic control, such as a telemetry transmitter or a remote base station.

See also[edit]

References[edit]

  1. ^ An MCW Keyer for V/UHR FM (N. Wilford, W1TLZ), QST April 20913, p37-38
  2. ^ PicoKeyer-Plus Kit http://www.hamgadgets.com/index.php?main_page=product_info&products_id=89
  3. ^ CW With Your H-T (Donald J. DuBon, N6JRL): http://www.af2cw.com/cw/CW%20With%20Your%20HT.pdf


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