What it means: Thereâs blood in your pee, a condition called hematuria. That's never normal, so you should get it checked out as soon as possible,â Dr. Griebling says. Causes of bloody urine include trauma, kidney disease or cancer, inflammation or an infection in the kidneys, and more.
The most familiar AC waveform is the sine wave, which derives its name from the fact that the current or voltage varies with the sine of the elapsed time. Phase is a particular point in time on the cycle of a waveform, measured as an angle in degrees. A complete cycle is 360Â°. The waves are in phase if the waves are either 0 or 360Â° apart. The resulting amplitude (sum of the waves) is twice the original. They are out of phase if the resulting amplitude is between 0 and twice the original.
Phase can also be an expression of relative displacement between or among waves having the same frequency - the phase difference. Leading phase refers to a wave that occurs ahead of another wave of the same frequency. Lagging phase refers to a wave that occurs behind another wave of the same frequency. When two signals differ in phase by -90Â° or +90Â° they are said to be in phase quadrature . When two waves differ in phase by 180Â° degrees ( afterall, -180Â° is technically the same as +180Â° ), the waves are said to be in phase opposition.