Search results
Results from the WOW.Com Content Network
Another form of erfc x for x ≥ 0 is known as Craig's formula, after its discoverer: [27] = (). This expression is valid only for positive values of x , but it can be used in conjunction with erfc x = 2 − erfc(− x ) to obtain erfc( x ) for negative values.
The BER is the likelihood of a bit misinterpretation due to electrical noise ().Considering a bipolar NRZ transmission, we have = + for a "1" and () = + for a "0".Each of () and () has a period of .
MathCAD provides both erf(x) and erfc(x) for real arguments. Mathematica: erf is implemented as Erf and Erfc in Mathematica for real and complex arguments, which are also available in Wolfram Alpha. Matlab provides both erf and erfc for real arguments, also via W. J. Cody's algorithm. [5] Maxima provides both erf and erfc for real and complex ...
can be seen as a normalized measure of the energy per symbol to noise power spectral density (/): = where is the energy per symbol in joules and ρ is the nominal spectral efficiency in (bits/s)/Hz. [2]
The Q-function can be generalized to higher dimensions: [14] = (),where (,) follows the multivariate normal distribution with covariance and the threshold is of the form = for some positive vector > and positive constant >.
According to a new report from ERFC, gas tax revenue forecast decreased by $185 million for the 2023-2025 biennium compared what was forecasted in February. At the same time, ERFC lower its ...
Zach Ertz caught three passes for 16 yards and a touchdown in overtime last night, clinching all three of his incentives and making OT worth an extra $750,000 for him.
where is the amplitude of Gaussian, = is exponent relaxation time, is a variance of exponential probability density function. This function cannot be calculated for some values of parameters (for example, =) because of arithmetic overflow.