Search results
Results from the WOW.Com Content Network
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.
where RL(dB) is the return loss in dB, P i is the incident power and P r is the reflected power. Return loss is related to both standing wave ratio (SWR) and reflection coefficient (Γ). Increasing return loss corresponds to lower SWR. Return loss is a measure of how well devices or lines are matched. A match is good if the return loss is high.
A time-domain reflectometer; an instrument used to locate the position of faults on lines from the time taken for a reflected wave to return from the discontinuity.. A signal travelling along an electrical transmission line will be partly, or wholly, reflected back in the opposite direction when the travelling signal encounters a discontinuity in the characteristic impedance of the line, or if ...
early retirement chart. Four Pillar Freedom. ... (the S&P 500 has averaged an 11% annual return since 1966) and 4% withdrawals every year once you retire. Based on those rates, it then illustrates ...
For premium support please call: 800-290-4726 more ways to reach us
This chart will help you figure out how much you need to retire -- and how much to start saving today to hit your savings target. Skip to main content. Sign in. Mail. 24/7 Help. For premium ...
A standing wave ratio meter, SWR meter, ISWR meter (current "I" SWR), or VSWR meter (voltage SWR) measures the standing wave ratio (SWR) in a transmission line. [ a ] The meter indirectly measures the degree of mismatch between a transmission line and its load (usually an antenna ).
5. U.S. Treasury bills, notes and bonds. Treasury bills, notes and bonds are assets that the U.S. Department of the Treasury issues to raise money for the U.S. government.