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The Design and Application of Filters: Basic Principles and Practice

In signal processing, filters play a crucial role in extracting desired information from various signals while suppressing unwanted noise. Filters are devices or algorithms that modify the amplitude and frequency content of a signal. They can be classified into different types based on their frequency response characteristics, such as low-pass, high-pass, band-pass, and band-stop filters. …

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Applications and challenges of satellite antennas in the field of communications

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Satellite antennas are core components of satellite communication systems and are widely used in global communication networks. Through satellite antennas, we can achieve long-distance and large-scale wireless communications, which is especially important for remote areas, oceans, aviation and other scenarios. However, the application of satellite antennas in the communications field also faces many challenges. This …

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