News

Thin-film, high-frequency antenna array offers new flexibility for wireless communications Date: November 3, 2021 Source: Princeton University, Engineering School Summary: Researchers have taken a ...
Beam Direction First, let’s look at an intuitive example of steering a phased array beam. Figure 1 provides a simple illustration of a wavefront striking four antenna elements from two different ...
Ampegon says it is about to deliver and install its first rotatable shortwave high-power array antenna on the North American continent. The system, which will be installed WBCQ in the United States, ...
The processing exploits the interferometric baselines formed between the rotating tethered antenna (s) at radius R and each of the antennas of the 1-D array on the rigid tether. A half-revolution of ...
Figure 5 presents the geometry of a rectangular antenna array with 2×2 elements and a signal s (t) impinging from direction (ϕ, θ). Figure 5. Parallel wavefront impinging on a rectangular array with ...
The operation of ground stations and phased-array antennas. How SDRs are integrated into ground stations. Issues to be considered when incorporating SDRs into phased-array antennas. Examples of ...
Because antennas these days move electrically rather than physically using multiple antennas in a phased array. These electronically scanned phased array antennas are the subject of Hunter Scott ...
Phased array antenna systems are at the cusp of ubiquity. We now see Multiple-Input Multiple-Output (MIMO) antenna systems on WiFi routers. Soon phased array weather radar systems will help to pred… ...
Directional Antenna Basics Nov 1, 2011 2:00 AM, by Jeremy Ruck, PE There is no way to cover all the important concepts of directional antennas in a single column. There have been many voluminous tomes ...
A recent PhD graduate from The Netherlands’ University of Twente has designed a microchip that allows for a grid array of almost-flat antennas to receive satellite signals.