International Journal of Antennas and Propagation / 2019 / Article / Fig 7

Research Article

Time-Varying Ocean-Like Surface Scattering at Grazing Incidence: Numerical Analysis of Doppler Spectrum at HF/VHF/UHF Bands

Figure 7

Comparison of Doppler spectrum of linear waves among the proposed method, the classical integral equation method, and the SPM in different frequency bands. The wind speed is 10 m/s, the Doppler frequency is normalized by the Bragg frequency , and the spectral intensity is normalized by Bragg peak.

(a) 10 MHz
(b) 30 MHz
(c) 60 MHz
(d) 100 MHz
(e) 200 MHz
(f) 400 MHz

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