What is a sinusoidal wave?
This is a wave that appears to have curves. AC current/voltage. If you see a wave on a ossiloscope of what our AC (Alternating current) mains voltage that will be the answer to the question. DC (direct current) does not appear to have the same qualitys
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What is a sinusoidal wave?
This is a wave that appears to have curves. AC current/voltage. If you see a wave on a ossiloscope of what our AC (Alternating current) mains voltage that will be the answer to the question. DC (direct current) does not appear to have the same qualitys
sinusoidal wave is a continuous signal there fore the response can be identified easily
A true pure sinusoid signal lasts forever, from -infinity to +infinity. If it ever turned on or off it would not be a pure single frequency sinusoid signal. Real signals aren't pure.
A conventional voltmeter displays 0.707 of the peak voltage when it measures AC.In doing so, it displays the RMS value of the measured voltage IF the measured voltage is a sinusoid.If the measured voltage is not a sinusoid, then its peak value is 1.414 times the displayed number, andyou have to calculate the RMS based on the waveform.
A(t) = Am sin(ωt ± Φ) representing the sinusoid in the time-domain form. But when presented mathematically in this way it is sometimes difficult to visualise this angular or phase difference between two or more sinusoidal waveforms so sinusoids can also be represented graphically in the spacial or phasor-domain form by aPhasor Diagram, and this is achieved by using the rotating vector method.Ansh
If you're going to use a function generator, presumably you'll be natural sampling a sinusoid for SPWM. In order to generate unipolar spwm, you'll need two sinusoids that are 180 degrees apart. So take the output of your sinusoid into two unity gain buffers, one inverting and one non-inverting. This will also allow you to set your reference for the sinusoids as compared to the (ONLY ONE!) sampling waveform, which can either be a triangle or a sawtooth. A sawtooth can easily be generated using a single comparator, by the way. One side of the bridge driven from the buffered sample ouptut and the other from the inverted and buffered sample output. It is my understanding that unipolar spwm has the advantage of higher order harmonics, as compared to bipolar, which makes them easier to filter out. The tradeoff is greater complexity because of the required extra input waveform. Good luck.
Triangle-wave voltage signal is a periodic signal that always has a constant positive and negative slope and no zero slope. It is exactly how it is sounds... a triangle shaped wave. /\/\/\/\/\/\/\/\/\/ - just like that. Nothing in this world can naturally produce perfect triangle waves. Every vibrates as periodic sinusoid. Triangle waves can be generated from sin waves with the use of Fourier Series. http://en.wikipedia.org/wiki/Fourier_series By summing sin waves with different periods nearly any time-continuous signal can be created. -VM