Telecommunication Journal, 58. sējums,7-12. izdevumsInternational Telecommunication Union, 1991 |
No grāmatas satura
1.–3. rezultāts no 61.
721. lappuse
... antenna gain t given directions in order to calculate he wanted and the interfering field trength needed to apply an agreed plan- ing procedure . This information has always been equested to the CCIR that has activated tudies and ...
... antenna gain t given directions in order to calculate he wanted and the interfering field trength needed to apply an agreed plan- ing procedure . This information has always been equested to the CCIR that has activated tudies and ...
723. lappuse
... antennas may also be stacked achieve a more directive vertical diation pattern and thus a higher rectivity gain . Figure 4 - Quadrant antenna A crossed - dipole antenna consists of two horizontal centre - fed half - wave dipoles placed ...
... antennas may also be stacked achieve a more directive vertical diation pattern and thus a higher rectivity gain . Figure 4 - Quadrant antenna A crossed - dipole antenna consists of two horizontal centre - fed half - wave dipoles placed ...
724. lappuse
4.3 Rhombic antennas A rhombic antenna consists of four hori- zontal straight wires of the same length arranged in the form of a rhombus . A rhombic antenna typically has side lengths of several wavelengths and a height of between 0.5 ...
4.3 Rhombic antennas A rhombic antenna consists of four hori- zontal straight wires of the same length arranged in the form of a rhombus . A rhombic antenna typically has side lengths of several wavelengths and a height of between 0.5 ...
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