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Logarifmi Neper

Neper, vohidi buzurgii logarifmii nisbi (logarifmi naturalii nisbati du buzurgii fizikii hamnom). Ba nomi J. Ne per guzoshta shudaast. Ishoratash — Hu yo Np.  Hangomi F2/F1 = e budan, 1 Np = ln{F1/F2) ast, ki dar on Ft va F2 — buzurgihoi fizikii «quvvagi» (shiddat, quvvai jarayon, fishor va gayra) va e — asosi logarifmi naturali meboshand. Neper asosan hangomi chen kardani khomushshavii signalhoi elektri dar khathoi aloqa istifoda meshavad. 1 Np = 0,8686 B = 9,686dB (B — bel, dB — detsibel).

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BOZKhOND

BOZKhOND, dar huquqi mehnat az rukhsatii mehnati bozkhondani kormand ast.   Tibqi talaboti qismi 2 moddai …