'Frequency modulation' diaporamas de présentation

G2 - OPERATING PROCEDURES [6 Exam Questions - 6 Groups]

G2 - OPERATING PROCEDURES [6 Exam Questions - 6 Groups] . G2A Phone operating procedures; USB/LSB utilization conventions; procedural signals; breaking into a QSO in progress; VOX operation G2B Operating courtesy; band plans G2C Emergencies, including drills and emergency communications

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922 views • 78 slides

Advanced Programming for 3D Applications CE00383-3

Advanced Programming for 3D Applications CE00383-3. Introduction to Human Motion Lecture 2. Bob Hobbs Staffordshire university. General Outline. Human Skeleton Muscle Groups How Robots simulate humans Kinematics Gait Locomotion. Human Dynamics. Users described as participants

1.06k views • 73 slides

PRINCIPLES OF THERAUPEUTIC CURRENTS AND NEUROMUSCULAR ELECTRICAL STIMULATION

PRINCIPLES OF THERAUPEUTIC CURRENTS AND NEUROMUSCULAR ELECTRICAL STIMULATION. OBJECTIVES. Describe the electrophysical principles related to therapeutic currents; Given a therapeutic current, describe the characteristics of the current;

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WAVES: SOUND & LIGHT

810 views • 62 slides

Public Safety Radio Bands

Public Safety Radio Bands. VHF-Low Band: 25 MHz to 50 MHz VHF-High: 138 MHz to 174 MHz UHF: 408 MHz to 512 MHz 700 MHz (new) 800 MHz 4.9 GHz (new). Why is this a problem?. Radios only operate in one band! Multi-band radios are rare and expensive

900 views • 62 slides

Chapter 18: Electromagnetic Spectrum & Light

Chapter 18: Electromagnetic Spectrum & Light. 18.1: Electromagnetic Waves. Question: What do x-ray machines, microwave ovens, and heat lamps have in common with police radar, TV, and radiation therapy???. Electromagnetic Waves.

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WAVES: SOUND & LIGHT

633 views • 52 slides

Cellular Communications

Cellular Communications. 4. Modulation. Modulation. Radio signals can be used to carry information Audio, data, video Information is used to modify (modulate) a single frequency known as carrier Modified(modulated) signal is transmitted to receiver

803 views • 42 slides

Electronic Instrumentation

Electronic Instrumentation. Project 2 1. Optical Communications 2. Transmitter Circuit 3. Receiver Circuit 4. Signal Reconstruction 5. Project Report 6. Practical Questions. Optical Communications. Transmitting an audio signal using light. Transmitter Circuit. audio signal.

662 views • 35 slides

Nanoscience & Microscopies SEM, AFM & STM

Nanoscience & Microscopies SEM, AFM & STM. Block Diagram of E-beam. SEM Picts. SEM Picts. Dendritic Growth. Ostrinium Nubilialis. Miami Research Results. STM. Scanning tunneling microscope. Outside the Barrier. Wavefunction extends outside of well edge for a finite square well.

861 views • 33 slides

Networking

Networking Basic network components and layered architecture Internet and WWW basics IP, TCP, URL, HTTP Jean Walrand, Communication Networks, a first course, McGraw-Hill 1998 (2 nd edition). Types of computer networks: Point-to-point connection (link) between two computers

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Research

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505 views • 25 slides

The History of Radio

712 views • 23 slides

Exponential Modulation

Exponential Modulation. Analog and Digital Communications Autumn 2005-2006. Exponential Modulation. Modulation in which information signal is encoded in carrier frequency or phase Amplitude of the transmitted signal is constant This modulation is robust to channel gain variations

1.03k views • 16 slides

Applications of Signals and Systems

Applications of Signals and Systems. Fall 2002. Application Areas. Control Communications Signal Processing. Control Applications. Industrial control and automation (Control the velocity or position of an object) Examples: Controlling the position of a valve or shaft of a motor

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Physics of SAR

641 views • 14 slides

Radio

652 views • 13 slides

Figure 5-39

Figure 5-39. Analog to Analog Modulation. ? The McGraw-Hill Companies, Inc., 1998. WCB/McGraw-Hill. Figure 5-40. ? The McGraw-Hill Companies, Inc., 1998. WCB/McGraw-Hill. Figure 5-41. Amplitude Modulation. ? The McGraw-Hill Companies, Inc., 1998. WCB/McGraw-Hill. Figure 5-42.

404 views • 8 slides