'Fm signal' diaporamas de présentation

AMPLITUDE MODULATION

AMPLITUDE MODULATION. INTRODUCTION.

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NARROW-BAND FREQUENCY MODULATION

NARROW-BAND FREQUENCY MODULATION. For small values of ? ,. Thus the expression for FM signal. can be expanded as. since. Then. since. Amplitude spectrum (single-sided plot). WIDE-BAND FREQUENCY MODULATION. Wide-band FM signal.

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FM SIGNAL GENERATION

FM SIGNAL GENERATION. They are two basic methods of generating frequency-Modulated signals Direct Method Indirect Method. DIRECT FM.

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COMMUNICATION SYSTEM EEEB453 Chapter 3 (III) ANGLE MODULATION

COMMUNICATION SYSTEM EEEB453 Chapter 3 (III) ANGLE MODULATION. FM Transmitter. Antenna. Audio OSC. FM Modulator. Output Amplifier. Carrier Generator. How FM Modulator Works?. Additional capacitance will increase the capacitance, thus reduce the resonance frequency.

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Communication 1 (lab)

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Chapter Four: Angle Modulation

Chapter Four: Angle Modulation. Introduction. There are three parameters of a carrier that may carry information: Amplitude Frequency Phase Frequency and Phase modulation are closely related and grouped together as phase modulation. Frequency Modulation.

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Transmitters and Receivers

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Angle Demodulator using AM

Angle Demodulator using AM. FM demodulators first generate an AM signal and then use an AM demodulator to recover the message signal.

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FM CONVERTER

FM CONVERTER. Team Members. Dan Harkins Team Leader. George Henry. Dr. Georgios Lazarou Advisor. Beau Blackwell. Shawn Welch. Team Responsibilities. Project Significance. Car radios do not have audio inputs. Many cars only have a CD or cassette player.

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Electrical Communications Systems ECE.09.331 Spring 2009

Electrical Communications Systems ECE.09.331 Spring 2009. Lab 3: Pre-lab Instruction. Shreekanth Mandayam ECE Department Rowan University http://engineering.rowan.edu/~shreek/spring09/ecomms/. ECOMMS: Topics. Plan. FM Signal and Spectrum FM Detection Slope Detector FM Generation

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Electrical Communications Systems ECE.09.331 Spring 2007

Electrical Communications Systems ECE.09.331 Spring 2007. Lab 3: Pre-lab Instruction. Shreekanth Mandayam ECE Department Rowan University http://engineering.rowan.edu/~shreek/spring07/ecomms/. ECOMMS: Topics. Plan. FM Signal and Spectrum FM Detection Slope Detector FM Generation

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Performance Enhancement for Wi-Fi Communications

Performance Enhancement for Wi-Fi Communications. Presented by Tanim M. Taher. Why can I never connect to the internet during lunch time everyday?. Study of Interference by MicroWave Ovens (MWO). Experimental Analysis of MWO Signal.

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What must SA do to get on par with Finland and the UK on the Digital Platform?

What must SA do to get on par with Finland and the UK on the Digital Platform?. Online Radio Studies Presentation by Mfanafuthi & Vicky . WHAT IS DRM?. Digital Radio operating in AM bands with FM comparable stereo sound Compatible with existing frequency bands, resulting up to 48kbit/s

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ASSISTIVE DEVICES FM SYSTEMS

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Electrical Communications Systems ECE.09.331 Spring 2011

Electrical Communications Systems ECE.09.331 Spring 2011. Lecture 8a March 8, 2011. Shreekanth Mandayam ECE Department Rowan University http://engineering.rowan.edu/~shreek/spring11/ecomms/. Plan. Analyzing FM Signals Single-tone FM Narrowband FM Wideband FM Bessel Functions.

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Electrical Communications Systems ECE.09.331 Spring 2011

Electrical Communications Systems ECE.09.331 Spring 2011. Lecture 7b March 2, 2011. Shreekanth Mandayam ECE Department Rowan University http://engineering.rowan.edu/~shreek/spring11/ecomms/. Plan. Angle Modulation Systems Definitions - Phase and Frequency Modulation Complex Envelope

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Electrical Communications Systems 0909.331.01 Spring 2005

Electrical Communications Systems 0909.331.01 Spring 2005. Lecture 8a March 29, 2005. Shreekanth Mandayam ECE Department Rowan University http://engineering.rowan.edu/~shreek/spring05/ecomms/. Plan. Angle Modulation Systems Definitions - Phase and Frequency Modulation Complex Envelope

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Electrical Communications Systems ECE.09.433

Electrical Communications Systems ECE.09.433. Frequency Modulation II. Dr. Shreek Mandayam Electrical & Computer Engineering Rowan University. Plan. Angle Modulation Systems Analyzing FM Signals - Battle Plan!!!! Single-tone FM Wideband FM Bessel Functions. ECOMMS: Topics.

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FM Demodulation

FM Demodulation. Dr. Ali Muqaibel. Methods for Frequency Demodulation. What are Frequency demodulators ? They produce output voltage whose instantaneous amplitude is directly proportional to the instantaneous frequency of the input FM wave. Methods:

516 views • 8 slides