... Eq.(5), that is, =0 and =z. At the same time, one may choose to write =- and = because the functions Pl(z), Ps(z) and f(=2z/c) are supposed defined and integrable over the ... Δz in Eq.(45). According to Eqs.(44) and (45), the higher the signal-to-noise ratio (the smaller Ps1,2 and ) the smaller the random errors and . In addition, depends ... respectively, 2()|()|sIs and 22222() lim ( )exp( )lllzNzNNzIk D K jkd are spectral densities of s(t) and N2(z), and 121() ()NDz Nz and 222()NDNz...