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2. Amplitude modulation - Wikipedia

   en.wikipedia.org/wiki/Amplitude_modulation

   Amplitude modulation (AM) is a modulation technique used in electronic communication, most commonly for transmitting messages with a radio wave.In amplitude modulation, the amplitude (signal strength) of the wave is varied in proportion to that of the message signal, such as an audio signal.

3. Demodulation - Wikipedia

   en.wikipedia.org/wiki/Demodulation

   Demodulation is the process of extracting the original information-bearing signal from a carrier wave. A demodulator is an electronic circuit (or computer program in a software-defined radio) that is used to recover the information content from the modulated carrier wave. [1] There are many types of modulation, and there are many types of ...

4. Detector (radio) - Wikipedia

   en.wikipedia.org/wiki/Detector_(radio)

   A major category of AM demodulation technique involves envelope detection, since the envelope of an AM signal is the original signal. A diode detector is a type of simple envelope detector. It consists of a diode connected between the input and output of the circuit, with a resistor and capacitor in parallel from the output of the circuit to ...

5. 'World-changing' book claims to 'dismantle' the theory of ...

   www.aol.com/news/2016-06-27-world-changing-book...

   Click through 10 books that will change your life: Phillip E. Johnson, Professor Emeritus of Law at U. C. Berkeley and author of "Darwin on Trial" calls Axe's new research , "bold, insightful and ...

6. Envelope detector - Wikipedia

   en.wikipedia.org/wiki/Envelope_detector

   In the case of AM, φ(t) (the phase component of the signal) is constant and can be ignored. In AM, the carrier frequency is also constant. Thus, all the information in the AM signal is in R(t). R(t) is called the envelope of the signal. Hence an AM signal is given by the function

7. List of popular science books on evolution - Wikipedia

   en.wikipedia.org/wiki/List_of_popular_science...

   The Beak of the Finch: A Story of Evolution in Our Time. David Sloan Wilson (2007). Evolution for Everyone: How Darwin's Theory Can Change the Way We Think About Our Lives. David Sloan Wilson (2019). This View of Life: Completing the Darwinian Revolution; Bernard Wood (2006). Human Evolution: A Very Short Introduction.

8. Devolution (biology) - Wikipedia

   en.wikipedia.org/wiki/Devolution_(biology)

   The idea of devolution is based on the presumption of orthogenesis, the view that evolution has a purposeful direction towards increasing complexity.Modern evolutionary theory, beginning with Darwin at least, poses no such presumption, [1] and the concept of evolutionary change is independent of either any increase in complexity of organisms sharing a gene pool, or any decrease, such as in ...

9. Single-sideband modulation - Wikipedia

   en.wikipedia.org/wiki/Single-sideband_modulation

   In other cases, it may be desirable to maintain some degree of compatibility with simple AM receivers, while still reducing the signal's bandwidth. This can be accomplished by transmitting single-sideband with a normal or slightly reduced carrier. This mode is called compatible (or full-carrier) SSB or amplitude modulation equivalent (AME). In ...