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Voltage standing wave ratio (VSWR) (pronounced "vizwar" [1] [2]) is the ratio of maximum to minimum voltage on a transmission line . For example, a VSWR of 1.2 means a peak voltage 1.2 times the minimum voltage along that line, if the line is at least one half wavelength long.
The main cause of ringing artifacts is overshoot and oscillations in the step response of a filter.. The main cause of ringing artifacts is due to a signal being bandlimited (specifically, not having high frequencies) or passed through a low-pass filter; this is the frequency domain description.
in other words, one should typically use a TI of around 70% of the T 1 value. In the case of CSF suppression, one aims for T 1-weighted images, which prioritize the signal of fat over that of water. Therefore, if the long TI (inversion time) is adjusted to a zero crossing point for water (none of its signal is visible), the signal of the CSF is ...
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The traveling wave on a Leaky-Wave Antenna is a fast wave, with a phase velocity greater than the speed of light. This type of wave radiates continuously along its length, and hence the propagation wavenumber kz is complex, consisting of both a phase and an attenuation constant. Highly directive beams at an arbitrary specified angle can be ...
[7] [12] [13] It was also included on the SpongeBob SquarePants: Season 4, Vol. 1 DVD released on September 12, 2006. [14] [15] On September 22, 2009, "Have You Seen This Snail?" was released in the SpongeBob SquarePants: The First 100 Episodes DVD, alongside all the episodes of seasons one through five. [16] [17]
As mentioned above, the resulting image is a 2D (or 3D) model of the attenuation coefficient. That is, we wish to find the image μ ( x , y ) {\displaystyle \mu (x,y)} . The simplest and easiest way to visualise the method of scanning is the system of parallel projection , as used in the first scanners.
The episode was a part of the network's tenth anniversary celebration of SpongeBob SquarePants. [6] [7] Starting July 17, 2009 at 8:00 pm EDT, Nickelodeon aired a 50-hour SpongeBob marathon titled "The Ultimate SpongeBob SpongeBash Weekend". [8] [9] The marathon started with the premiere of "To SquarePants or Not to SquarePants" at 8 pm. [10] [11]