Long-range 4D imaging radar on a chip unveiled

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Developer of affordable imaging radars for the automotive industry, RFISee is unveiling the first Phased Array 4D imaging radar on a chip. RFISee’s all weather radar has proven its ability to detect cars from 500 meters and pedestrians from 200 meters, with an angular resolution greater than 1°.

The company’s engineers have adapted Phased Array antenna technology, used in military systems including the F-35 fighter jet and in air defence systems, while at the same time reducing the price to the current level of automotive sensors. Prototypes of RFISee’s radar are under evaluation by top automotive OEMs and Tier-1s.

Unlike many traditional and new types of radar, RFISee’s patented 4D imaging radar uses a powerful focused beam based on proprietary Phased Array radar technology. The focused beam created by dozens of transmitters rapidly scans the field of view. The receivers ensure a much-improved radar image, a better signal to noise ratio, and a detection range of obstacles such as cars and pedestrians that is six times broader when compared to existing radars. The competitive edge of RFISee’s radar prototype has already been proven in extensive testing.

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Exploring the three elephants in the autonomous vehicle room

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The expression “elephant in the room” refers to an important question that everyone knows about but no one wants to discuss because it makes them uncomfortable.

Today, in the area of Autonomous Vehicles (AVs), there are three elephants in the room which are worth exploring.

Let’s get started.

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Here’s how Uber’s self-driving cars are supposed to detect pedestrians

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A self-driving vehicle made by Uber has struck and killed a pedestrian. It’s the first such incident and will certainly be scrutinized like no other autonomous vehicle interaction in the past. But on the face of it it’s hard to understand how, short of a total system failure, this could happen, when the entire car has essentially been designed around preventing exactly this situation from occurring.

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Lost City of Atlantis May Have Been Found By U.S. Research Team

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Greek philosopher Plato wrote about Atlantis some 2,600 years ago, describing it as “an island situated in front of the straits which are by you called the Pillars of Hercules.”

A U.S.-led research team may have finally located the lost city of Atlantis, the legendary metropolis believed swamped by a tsunami thousands of years ago in mud flats in southern Spain.

 

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Detecting Aircraft Before There Was Radar

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How air attacks were detected before  radar.

Beginning in the middle of the 1930s, engineering labs in the U.S. and Europe were experimenting with radar systems. Early radars did not have the slick plan position indicator (PPI) displays that modern systems use for plotting target movement for indication of azimuth (direction) and range (distance). Instead, oscilloscopes showed radar returns as amplitude blips along a time base that represented range. Azimuth was determined by where the operator pointed the antenna (rotating versions came later). Since radar cross section stealth technology had not been invented yet, the amplitude of the signal was useful a measure of the size of the target. (Pics)

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