Baluns: Choosing the Correct Balun
... Coaxial feedlines, like balanced lines, must also have exactly equal and opposite currents on the shield and center conductors. Equal and opposite currents can only flow inside the shield. Coaxial line shields also must have zero volts radio-frequency electrical potential to "ground" or space around ...
... Coaxial feedlines, like balanced lines, must also have exactly equal and opposite currents on the shield and center conductors. Equal and opposite currents can only flow inside the shield. Coaxial line shields also must have zero volts radio-frequency electrical potential to "ground" or space around ...
What is a fraction
... number, you get the same (or equivalent) fraction. And by using the same logic, if we divide the numerator and denominator by the same number, you get an equivalent fraction. ...
... number, you get the same (or equivalent) fraction. And by using the same logic, if we divide the numerator and denominator by the same number, you get an equivalent fraction. ...
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... • α = |z|e 2 for some z ∈ S with z 6= 0 and θ = arg(z) with 0 ≤ θ < 2π. The following lemmas are clear from this definition: Lemma 1. Let S be a subset of C that contains a nonzero complex number and α ∈ C. Then α is constructible from S if and only if there exists a finite sequence α1 , . . . , αn ...
... • α = |z|e 2 for some z ∈ S with z 6= 0 and θ = arg(z) with 0 ≤ θ < 2π. The following lemmas are clear from this definition: Lemma 1. Let S be a subset of C that contains a nonzero complex number and α ∈ C. Then α is constructible from S if and only if there exists a finite sequence α1 , . . . , αn ...
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... FSA and Languages Let A be an FSA with an input alphabet I. The set of all strings w from I* such that A goes to accepting state on w is called a language accepted by A : L(A) (What is the language accepted by an automation 12) Eventual state-function N* : S I* S is a function that maps a pair ...
... FSA and Languages Let A be an FSA with an input alphabet I. The set of all strings w from I* such that A goes to accepting state on w is called a language accepted by A : L(A) (What is the language accepted by an automation 12) Eventual state-function N* : S I* S is a function that maps a pair ...
Which Young Tableaux can represent an outer sum?
... For n = 1, the tableau represents (0, 1) ◦ (0). For n ≥ 2 we can describe a general lower path p (of length 2n) as the concatenation (p1 , p2 ) of two lower paths, of lengths 2a and 2b respectively, where a ≥ 1 and b ≥ 0, and where the path p1 stays strictly below the line y = x except at its endpoi ...
... For n = 1, the tableau represents (0, 1) ◦ (0). For n ≥ 2 we can describe a general lower path p (of length 2n) as the concatenation (p1 , p2 ) of two lower paths, of lengths 2a and 2b respectively, where a ≥ 1 and b ≥ 0, and where the path p1 stays strictly below the line y = x except at its endpoi ...
Mathematics of radio engineering
The mathematics of radio engineering is the mathematical description by complex analysis of the electromagnetic theory applied to radio. Waves have been studied since ancient times and many different techniques have developed of which the most useful idea is the superposition principle which apply to radio waves. The Huygen's principle, which says that each wavefront creates an infinite number of new wavefronts that can be added, is the base for this analysis.