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2. Power inverter - Wikipedia

   en.wikipedia.org/wiki/Power_inverter

   An inverter may produce a square wave, sine wave, modified sine wave, pulsed sine wave, or near-sine pulse-width modulated wave (PWM) depending on circuit design. Common types of inverters produce square waves or quasi-square waves. One measure of the purity of a sine wave is the total harmonic distortion (THD). [4]

3. Sine wave - Wikipedia

   en.wikipedia.org/wiki/Sine_wave

   Tracing the y component of a circle while going around the circle results in a sine wave (red). Tracing the x component results in a cosine wave (blue). Both waves are sinusoids of the same frequency but different phases. A sine wave, sinusoidal wave, or sinusoid (symbol: ∿) is a periodic wave whose waveform (shape) is the trigonometric sine ...

4. Pelamis Wave Energy Converter - Wikipedia

   en.wikipedia.org/wiki/Pelamis_Wave_Energy_Converter

   In 2010, Pelamis Wave Power began tests of the first Pelamis P2 machine, again at the EMEC Billia Croo wave test site. The machine was owned by the German utility company, E.ON, and was the UK's first commercial supply contract in the marine energy sector. [10] The P2-001 machine was named Vágr Atferð, Old Norse for Wave Power. [11]

5. Quarter-wave impedance transformer - Wikipedia

   en.wikipedia.org/wiki/Quarter-wave_impedance...

   Inverter is a general term for the class of circuits that have the function of inverting an impedance. There are many such circuits and the term does not necessarily imply a λ/4 transformer. The most common use for inverters is to convert a 2-element-kind [ 4 ] LC filter design such as a ladder network into a one-element-kind filter.

6. Sinusoidal plane wave - Wikipedia

   en.wikipedia.org/wiki/Sinusoidal_plane_wave

   Because this is a plane wave, each blue vector, indicating the perpendicular displacement from a point on the axis out to the sine wave, represents the magnitude and direction of the electric field for an entire plane that is perpendicular to the axis. Represented in the second illustration is a circularly polarized, electromagnetic plane wave ...

7. Musk orders US federal workers to report on work by Monday or ...

   www.aol.com/news/musk-orders-us-federal-workers...

   The Trump administration sent emails on Saturday evening to U.S. federal government employees telling them to detail their work accomplishments from the previous week by Monday night or risk ...