Many “legacy” carriers such as British Airways and North American airlines have a generous two-item allowance for cabin baggage. But budget airlines in Europe are much more restrictive.

The Güdel Group is a manufacturer of high-precision machine components and provider of turnkey automation solutions. Its spectrum of products ranges from linear guideways, racks, pinions and drives ...

This letter presents a novel low-pass filter with an ultra-wide stopband. The proposed filter is comprised of a new cross-shape defected ground structure (CSDGS). By using this structure, the filter ...