E-notebook
by 0 (a) LOS range = √2r‘ (√ht +√hr )m = √(2*4/3*r)(√120 +√16) m = √(2*4/3*6370*103 )(√120 +√16) d = 61.61 Km (b) Power(p) =15 kw λ = 3*108 /(50*106 …
by 0 Light of sight range (LOS) is given by d= 4.12(√ht +√hr ) Km =4.12(√10 + √100) Km LOS (d) = 54.24 Km OR, LOS (d) …
by 0 μ = √(1-81N/f2 ) 0.75 = √(1-81N/(10*106 ) Nmax =5.4*1011 fc = 9√(Nmax ) =6.614*106 Hz and Dskip = 2h √((fmuf /fc)2 -1) =2*350√((12*106 /(6.614*106 …
by 0 Path loss = 32.45+20logfMHz +20logdkm =32.45+20log*6000+20log10500 Hence : Path loss = 188.43 dB
by 0 E1 digital hierarchy as related to telephony system: Vf band frequency: 4 kHz (300Hz-3400Hz) Sampling frequency: 8kHz Sampling rate = 8000 cycles per second i.e …
by 1 The Statement of Nyquist Sampling theorem given below : “A continuous-time signal may be completely represented in its samples and recovered back if the sampling …
by 0 We all know that a computer is an electronic device that runs on a constant electric voltage of 220-240 Volts(AC). High voltage or fluctuation in …
by 0 Telecommunications, also known as telecom, is the exchange of information over significant distances by electronic means, referring to all types of voice, data, and video transmission. …
by 0 Data communication refers to the exchange of data between a source and a receiver via a form of transmission media such as a wire cable …
by 0 Network topologies refer to the arrangement and connection patterns of computers in the network. It is the physical layout of the terminal’s links and computers …