Radio Propagation and Remote Sensing of the Environment - Chapter 7 docx

... inhomogeneities is of primary important (see Chapter 5). We © 2005 by CRC Press 214 Radio Propagation and Remote Sensing of the Environment and the function (see Equations (4 .78 ) and (4 .79 )): (7. 11) It ... 6 s cog l klL       = 5 3 22 1 07. , µ TF 171 0_book.fm Page 219 Thursday, September 30, 2004 1:43 PM © 2005 by CRC Press 220 Radio Propaga...

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... Propagation and Remote Sensing of the Environment © 2005 by CRC Press 18 Radio Propagation and Remote Sensing of the Environment The essence of Kirchhoff’s approximation is that the field is equal ... 211 7. 2 The Function of Mutual Coherence 215 7. 3 Properties of the Function H 2 17 7.4 The Coherence Function of a Plane Wave 219 7. 5...

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... that the y0z plane is the plane of incidence (Figure 5.1). Let us use θ i to denote the angle of the wave incident relative to the z-axis and use θ and ϕ to denote the spherical angles of the ... is the sum: (5.122) Here, r j is the radius vector of the jth particle, E(r j ) is the complex amplitude of the summary wave incident on it, are the vectors...

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... via the time domain form of the primary signal. By combining Equations (2 .74 ) and (2 .76 ), the frequency inte- gration can be easily realized: (2 .77 ) Note the effective spectral width of the signal ... by CRC Press 36 Radio Propagation and Remote Sensing of the Environment Let us suppose that the wave propagates along the z-axis, in which case q...

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... Press 66 Radio Propagation and Remote Sensing of the Environment logical compared to their energy flows. If the following is the power flow density of the incident wave: then the flow density of its ... here and assume that the role of the permittivity frequency dispersion is weak in the frame of the signal bandwidth and that the absorption in the...

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... Press 88 Radio Propagation and Remote Sensing of the Environment If angle α between the direction of the ray and the direction of the permittivity is introduced, then: (4.13) Further, it ... Radio Propagation and Remote Sensing of the Environment the equations of the zero-order approximation. Now we can easily show that the eikon...

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... that the field on the plane z = 0 is: . (6.54) Then, the field of the first order can be expressed by the integral: (6.55) in any point of the space. Here, the transversal coordinates of the point of ... TF 171 0_book.fm Page 185 Thursday, September 30, 2004 1:43 PM © 2005 by CRC Press 170 Radio Propagation and Remote Sensing of the Environment This...

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... case, the bodies have to be in the wave (Fraunhofer) zone of the antenna, and the antenna itself is in the Fraunhofer zone of the emitting body; therefore, the field of auxiliary dipole in the area ... consisting of the vector of the wave incident ( e i ); the orthogonal to e i and tangent to the surface vector ; and the orthogonal to...

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... µ µ= − − ∫ 1 2 1 1 TF 171 0_book.fm Page 266 Thursday, September 30, 2004 1:43 PM © 2005 by CRC Press 274 Radio Propagation and Remote Sensing of the Environment with each other, and we obtain a Kirchhoff’s law ... e N ad z . zz⇒− TF 171 0_book.fm Page 273 Thursday, September 30, 2004 1:43 PM © 2005 by CRC Press 258 Radio Propagation and Remote Sensing of the...

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... Sensing 279 10.2 ELECTROMAGNETIC WAVES USED FOR REMOTE SENSING OF ENVIRONMENT Remote sensing of the natural environment is realized within a wide range of of the range has its own merits and ... dx c d 2 2 12 , () = () − ()               ∫ TF 171 0_book.fm Page 2 97 Thursday, September 30, 2004 1:43 PM © 2005 by CRC Press 284 Radio Propagati...

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