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Page 32
... described by its complex dielectric constant , where € , Ec = εr — je1 = € , j60σx , - Er - - ( 6 ) is the relative dielectric constant , o the con- 180 VERTICAL POLARIZATION 160 148 120 100 80 60 40 32 STANDARD PROPAGATION 6.
... described by its complex dielectric constant , where € , Ec = εr — je1 = € , j60σx , - Er - - ( 6 ) is the relative dielectric constant , o the con- 180 VERTICAL POLARIZATION 160 148 120 100 80 60 40 32 STANDARD PROPAGATION 6.
Page 33
... POLARIZATION 200MC SOOME 3000 MC VERTICAL POLARIZATION .5 100 MC 200 MC R = pe - ių = sin√ sin + Vec cos2 ↓ Cos2 ( 7 ) and for vertical polarization 500 MC 3000 MC R = pe - ių € sin Ec - = √ & c Vεc cos2 cos2 ( 8 ) e sin where ...
... POLARIZATION 200MC SOOME 3000 MC VERTICAL POLARIZATION .5 100 MC 200 MC R = pe - ių = sin√ sin + Vec cos2 ↓ Cos2 ( 7 ) and for vertical polarization 500 MC 3000 MC R = pe - ių € sin Ec - = √ & c Vεc cos2 cos2 ( 8 ) e sin where ...
Page 34
... POLARIZATION 160 148 120 100 80 60 40 20 100 MC 200MC 500 MC 3000MC 5 ° [。 1.5 ° 20 2.5 ° 3 ° 3.5 ° 4 ° 4.5 ° 5 ° 5.5 ° FIGURE 4. Phase lag , o , of the reflection coefficient versus reflection angle , y , from 0 to = 5.5 ° for sea ...
... POLARIZATION 160 148 120 100 80 60 40 20 100 MC 200MC 500 MC 3000MC 5 ° [。 1.5 ° 20 2.5 ° 3 ° 3.5 ° 4 ° 4.5 ° 5 ° 5.5 ° FIGURE 4. Phase lag , o , of the reflection coefficient versus reflection angle , y , from 0 to = 5.5 ° for sea ...
Page 39
... polarization . constants indicated . The ordinate is the ratio of field strength to the free space field ; the transmitter and receiver heights are fixed and d is plotted as abscissa . Above the line of sight the typical lobe pattern is ...
... polarization . constants indicated . The ordinate is the ratio of field strength to the free space field ; the transmitter and receiver heights are fixed and d is plotted as abscissa . Above the line of sight the typical lobe pattern is ...
Page 40
... POLARIZATION TRANSMITTER HEIGHT 9 METERS RECEIVER DISTANCE 80 KM SEA WATER 100 10 -200 3000 -180 LINE OF SIGHT 100 ... polarization and Marian C. Gray for horizontal polarization . The results of the theory may be summarized as follows ...
... POLARIZATION TRANSMITTER HEIGHT 9 METERS RECEIVER DISTANCE 80 KM SEA WATER 100 10 -200 3000 -180 LINE OF SIGHT 100 ... polarization and Marian C. Gray for horizontal polarization . The results of the theory may be summarized as follows ...
Common terms and phrases
altitude angle antenna attenuation azimuth band Chapter Committee on Propagation computed coverage diagram CUDWR curvature curve decibels decrease diffraction diffraction region distance Division 14 Report earth earth radius effects electromagnetic equation equipment errors experiments factor FEET field intensity field strength forecasting free space frequency functions gradient ground h₁ h₂ height horizontal humidity index of refraction JEIA land layer line of sight lobe maximum measurements meter method microwave miles modes moisture NDRC nomogram nonstandard propagation NRSL obtained operational optical OSRD permanent echoes plane polarization problem radar cross section Radio Propagation Radio Waves radius range receiver reflection coefficient refractive index region Research signal strength Snell's law standard atmosphere standard propagation superrefraction surface target temperature inversion theory tion transmitter Tropospheric United variations vertical water vapor Wave Propagation Wave Propagation Group wavelength weather X band zone