En Yagi-Uda-antenne er en dipolantenne med en eller flere direktorer og/eller reflektorer. Dette giver den en betydelig retningsvirkning og følsomhed.
![image](https://www.wikidata.da-dk.nina.az/image/aHR0cHM6Ly93d3cud2lraWRhdGEuZGEtZGsubmluYS5hei9pbWFnZS9hSFIwY0hNNkx5OTFjR3h2WVdRdWQybHJhVzFsWkdsaExtOXlaeTkzYVd0cGNHVmthV0V2WTI5dGJXOXVjeTkwYUhWdFlpOHlMekpqTDAxdmJuUnlaV0ZzTFhSdmQyVnlMWFJ2Y0M1MGFIVnRZakl1YW5Cbkx6SXlNSEI0TFUxdmJuUnlaV0ZzTFhSdmQyVnlMWFJ2Y0M1MGFIVnRZakl1YW5Cbi5qcGc=.jpg)
Yagi-Uda-antennen blev opfundet i 1926 af fra , Japan, og (med en mindre rolle af hans kollega) .
Kilder
- Graf, Rudolf F. (1999). Modern Dictionary of Electronics (7 udgave). Newnes. s. 858. ISBN .
- Uda, S. (december 1925). "On the Wireless Beam of Short Electric Waves". Jour. of IEE of Japan. Institute of Electrical Engineers of Japan: 1128. (This was the preface and notice in advance for a series of 11 papers with the same title by Uda between 1926–1929 on the antenna.)
- Yagi, Hidetsu; Uda, Shintaro (februar 1926). "Projector of the Sharpest Beam of Electric Waves" (PDF). Proc. of the Imperial Academy of Japan. Imperial Academy. 2 (2): 49-52. Hentet 11. september 2014.
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