Satellite frequency bands enable reliable global communications, reduce latency and support high-speed data transmission. They enhance Internet access in remote areas, improve navigation, and ensure real-time connectivity in key industries such as finance, transportation and defense. Global Data Transmission When transmitting data in tropical areas, the attenuation rate of Ka-band signals can reach more than […]
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L-Band is good at mobile navigation and IoT, S-Band dominates weather radar, C-Band is suitable for broadcasting, Ku-Band leads TV and aviation, Ka-Band supports the Internet, and V-Band creates high-capacity future networks. L-Band for Mobile The signal attenuation rate of L-Band remains within 3% in heavy rain, fog, snow or storms. According to the International
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The S Band plays a crucial role in space communications, providing reliable data transmission for satellites, weather monitoring, and scientific research. It is cost-effective, less affected by weather, and supports critical applications such as remote sensing, telecommunication, and emergency communications globally. Band Frequency Range The S Band normally lies within the range from 2 to
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The S-band frequency has a long detection distance, low signal attenuation and efficient communication capabilities. It is widely used in weather radar, monitoring systems, Wi-Fi, IoT devices, smart homes and other fields, providing stable, low-power connections and improving the performance and reliability of equipment. Long-Range Detection Usual detection ranges for S-band usages reach 300 to
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Evanescent modes in waveguides are non-propagating modes that decay exponentially with distance. For instance, in a waveguide with a TE11\text{TE}_{11}TE11 cutoff at 2 GHz, frequencies below this value (e.g., 1.5 GHz) generate evanescent modes. Mode Cutoff Frequencies for instance, a waveguide with a radius of 4 cm. The cutoff frequency for the TE11\text{TE}_{11}TE11 mode, the
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Evanescent modes in waveguides occur when the frequency is below the cut-off, causing exponential decay of fields. For instance, at 2 GHz in a 10 cm waveguide, field strength drops 95% within 8 mm. They’re used in sensors, where penetration depth is ~100 nm for detecting molecular interactions. Definition In a waveguide 10 cm wide
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