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2. Openclipart - Wikipedia

   en.wikipedia.org/wiki/Openclipart

   Openclipart, also called Open Clip Art Library, is an online media repository of free-content vector clip art.The project hosts over 160,000 free graphics and has billed itself as "the largest community of artists making the best free original clipart for you to use for absolutely any reason".

3. Dicentra - Wikipedia

   en.wikipedia.org/wiki/Dicentra

   Flowers have two tiny sepals and four petals. The flowers are bisymmetric: the two outer petals are spurred or pouched at the base and curved outwards or backwards at the tip, and the two inner ones with or without a crest at the tip. In Dicentra, all leaves are in a basal rosette, and flowers are on leafless stalks.

4. Waveform - Wikipedia

   en.wikipedia.org/wiki/Waveform

   A sine, square, and sawtooth wave at 440 Hz A composite waveform that is shaped like a teardrop. A waveform generated by a synthesizer. In electronics, acoustics, and related fields, the waveform of a signal is the shape of its graph as a function of time, independent of its time and magnitude scales and of any displacement in time.

5. Modulation - Wikipedia

   en.wikipedia.org/wiki/Modulation

   For example, the modulation signal might be an audio signal representing sound from a microphone, a video signal representing moving images from a video camera, or a digital signal representing a sequence of binary digits, a bitstream from a computer. This carrier wave usually has a much higher frequency than the message signal does. This is ...

6. Spiral wave - Wikipedia

   en.wikipedia.org/wiki/Spiral_wave

   Spiral waves are travelling waves that rotate outward from a center in a spiral.They are a feature of many excitable media.Spiral waves have been observed in various biological systems [1] [2] including systems such as heart ventricular fibrillation, [3] Dictyostelium cAMP waves, [4] retinal spreading depression, [5] Xenopus oocyte calcium waves, [6] and glial calcium waves in cortical tissue ...

7. Square wave - Wikipedia

   en.wikipedia.org/wiki/Square_wave

   The ratio of the high period to the total period of a pulse wave is called the duty cycle. A true square wave has a 50% duty cycle (equal high and low periods). Square waves are often encountered in electronics and signal processing, particularly digital electronics and digital signal processing. Its stochastic counterpart is a two-state ...

8. Week 12 Care/Don't Care: The Saquon Barkley-MVP debate ... - AOL

   www.aol.com/sports/week-12-care-dont-care...

   5 things I care about Philly's D-line beats up on L.A. One of the matchups I was most keen to watch in Week 12 was the Eagles defense against the Rams offense.

9. Pulse (signal processing) - Wikipedia

   en.wikipedia.org/wiki/Pulse_(signal_processing)

   Examples of pulse shapes: (a) rectangular pulse, (b) cosine squared (raised cosine) pulse, (c) Dirac pulse, (d) sinc pulse, (e) Gaussian pulse A pulse in signal processing is a rapid, transient change in the amplitude of a signal from a baseline value to a higher or lower value, followed by a rapid return to the baseline value.