Bardiche Bardiche A bardiche , berdiche, bardische, bardeche,("long pollaxe") or berdish is a type of axe/pole weapon known in the 14th through 17th centuries in Europe. Ultimately a descendant of the medieval sparth (Danish axe), the bardiche proper appears around 1400, but there are numerous medieval manuscripts that depict very similar weapons beginning . The bardiche differs from the halberd in having neither a hook at the back nor a spear point at the top. Use of bardiches started in early 14th century Austria and in Scandinavia in the late 15th century. In the 16th century the bardiche became a weapon
Radar configurations and types Radar range and wavelength can be adapted for different surveys of bird and insect migration and daily habits. They can have other uses too in the biological field. Radar configurations and types Radar configurations and types is an article about listing the different uses of radars. Radar come in a variety of configuration in the emitter, the receiver, the antenna, wavelength, scan strategies, etc. Search radars scan great volumes of space with pulses of short radio waves. They typically scan the volume two to four times a minute. The waves are usually less than a meter long. Ships and planes