Waves and communication
35 resources created by 32 users
Waves and communication
- All Waves resources
- Wave properties and equations370
- Types of waves271
- Oscillations and simple harmonic motion40
- Reflection and refraction109
- Diffraction and interference74
- Standing waves32
- Polarisation10
- Sound waves198
- Ultrasound42
- Doppler effect22
- Seismic waves11
- Electromagnetic spectrum231
- Light waves and optics15
Top Waves and communication resources
Quizzes
Mind maps
Flashcards
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8 cardsOCR Gateway P1f P1f - Data Transmission
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10 cardsP2 Revision Flash Cards x Define an analogue signal.
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10 cardsPhysics: Analogue and Digital Signals What is Information converted into?
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8 cardsphysics p1f give three uses of infrared waves other than cooking and communications
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13 cardsUntitled How do thermograms use colour?
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5 cardsUntitled
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8 cardsWireless signals (P1) What is wireless technology used by
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6 cardsP1f Name some uses of infrared signals in transmissions
Notes
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DIGITAL TECHNOLOGY Analogue technique: Involves codes and signals, large number of different values (between given limits), hence varies continuously with timeUses:- Photocopying: optical and electrostatic processes- LPs (‘vinyl’): soun...
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Analogue and digital signals Information is converted into signals.To communicate any kind of information (e.g. sound or picture), it needs to be converted into electrical signals before its transmitted. These signals can then be sent long distan...
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Why are signals transmittd as digital? analogue signals vary continuously, digital signals only has 2 values anologue signal converted to digital signal, radio wave turned on and off, signal transmitted as a radio wave receiver decodes digital signal back ...