J.-P. Daniel

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Today antennas appear to be a key component in radio systems. They often need new requirements such as beam tilting, multibeam, large bandwidth. In fact many structures are still bulky, mostly realized with pieces of metal supported by several insulators; only the printed antenna technology avoids this weight due to oversized pieces of metal but has(More)
Because of their simplicity, slot fed circular microstrip antennas (MA) are popular. Even more popular are MAs conformally printed on curved surfaces, such as spherical-circular MAs because of their higher degree of freedom. A very attractive candidate is a discrete Luneburg lens, which is a layered dielectric sphere. To simulate the antenna, we use the(More)
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