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wave·num·ber (σ),

The number of waves per centimeter (cm-1), used to simplify the large and unwieldy numbers heretofore used to designate frequency.
See also: wave number.
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Generalized turbulence space-correlation and wave-number spectrum-function pairs, " Canadian Journal of Physics, Vol.
z] are the spatial wave-numbers in the x, y and z directions respectively, the asterisk represents the complex conjugate.
where k is the wave-number in the microwave lens region.
0] = 2[pi]/[lambda] is the wave-number for free space, k = [k.
Recently, another new formulation, named spectral FDTD (SFDTD) was proposed to deal with the problem [27,28], because the constant wave-number (CTW) wave is used, there is no delay in the transverse plane and the PBC can be implemented directly in the time domain.
The incident wave is considered as a constant transverse wave-number wave in our discussion, the field components can be seen in Fig.
In our work, the incident wave is considered as a constant transverse wave-number wave, presented in Eq.
The CTW wave is introduced into the computational domain, with the transverse wave-number [k.
Wave-number 1 modes appear to be more important in the stratospheric variability during warm than for cold-ENSO winters (i.
The following equations are obtained for the wave-numbers and the dominate mode of resonant frequency [1]:
z] denote the wave-numbers along x, y and z directions inside the DRA, respectively.