| 摘要 |
A radiowave receiving device including a waveguide, a probe, a circuit, and an impedance matching mechanism. The waveguide has a cavity for conveying radiowave. The probe, disposed in the cavity, converts radiowave conveyed by the waveguide into a circuit signal. The circuit, electrically coupled to the probe, receives the circuit signal. The impedance matching mechanism provides the waveguide with an impedance match with respect to the circuit. Affixed to the waveguide, the impedance matching mechanism includes a tuning element in a spatial position.
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