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IEVref:417-06-08ID:
Language:enStatus: Standard
Term: directional spreading function, <of a water wave>
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Definition: normalized distribution of wave energy, D, for a given frequency, f, over the angle of incidence, θ

Note 1 to entry: Since 0 2π D( θ,f )dθ=1 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9ad baGaciGabaqaamaaceGaaiGacaabaaGcbaWaa8qCaKaaafaacaWGebGcdaqadaqcaauaaiaajI7acaGGSaGaamOzaaGaayjkaiaawMcaaiaabsgacaqI4oGaeyypa0JaaeymaaqcbauaaiaaicdaaeaacaqGYaGaaqiWdaqcdaKaey4kIipaaaa@425D@ the directional spreading function can be considered to be a probability density function over direction.


Publication date:2022-02
Source:IEC TS 62600-1:2020, 3.9
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