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FAQ

Human presence detection and you

May 31, 2022 By Aimee Kalnoskas

By Charles Pao, Senior Marketing Specialist at CEVA Mobile phones and tablets are getting more powerful, but if you’re serious about doing work (remotely), the dedicated work laptop still reigns supreme. Privacy and productivity have become increasingly important in this new paradigm of working anywhere. To help with both in the age of mobile computing, […]

Filed Under: Featured, Frequently Asked Question (FAQ), Position, Proximity, RADAR/LiDAR, Time-of-Flight Tagged With: FAQ

What sensors are used in AR/VR systems?

May 19, 2022 By Jeff Shepard

A wide range of sensor technologies is required to support augmented reality and virtual reality (AR/VR) systems. Today’s AR/VR implementations are mostly focused on visual and audio interfaces and rely on motion tracking and listening/voice recognition sensors. That’s beginning to change with new types of sensors and various types of haptics being introduced. This FAQ […]

Filed Under: Featured, Frequently Asked Question (FAQ), Inertial Measurement Unit (IMU), Other, Time-of-Flight Tagged With: FAQ

What’s an acoustic leak detector?

May 19, 2022 By Jeff Shepard

Acoustic leak detection sensor technologies rely on the fact that liquid and gas leaks are noisy. However, it’s not necessarily a noise that the human ear can detect, it can be in the ultrasonic region. Leaky water pipes are a significant environmental challenge – UN Sustainable Development Goal No. 6 states that clean (drinking) water […]

Filed Under: Featured, Frequently Asked Question (FAQ), Gas Sensor, Other Tagged With: FAQ

How do sensors improve wind turbine performance?

May 17, 2022 By Jeff Shepard

Wind turbines are very complex machines. It takes a lot of sensors to ensure their continuous operation generating green energy. This FAQ reviews some of the sensors used to monitor wind turbine operations, such as: Eddy current sensors monitor the lubricating gap of the shaft, how the turbine shaft rotates both axially and radially inside […]

Filed Under: Energy Harvesting, Featured, Frequently Asked Question (FAQ), What's Hot Tagged With: FAQ

How can a machine recognize hand gestures?

May 16, 2022 By Jeff Shepard

Gesture recognition is a user interface that allows computers to capture and interpret non-verbal communication, including facial expressions, head movements, body positioning, and hand motions as commands. Hand gestures are an increasingly common mode of computer control, and the types of sensors used to recognize hand gestures is growing. This FAQ briefly reviews how hand […]

Filed Under: Featured, Frequently Asked Question (FAQ), RADAR/LiDAR Tagged With: FAQ

How many types of radar are there?

May 13, 2022 By Jeff Shepard

Radio detection and ranging (radar) uses reflected radio waves to detect and determine the distance, angle, and velocity of objects relative to the radar system. A basic radar system consists of a transmitter producing electromagnetic waves in the radio or microwave spectrum (these can be pulsed or continuous), a transmitting antenna, a receiving antenna (often […]

Filed Under: Featured, Frequently Asked Question (FAQ), RADAR/LiDAR Tagged With: FAQ

Teardown: Inside an industrial absolute encoder

April 26, 2022 By Lee Teschler

If you go to the Wikipedia page on absolute encoders, you’ll find descriptions of these devices mentioning multiple code rings, glass or plastic discs, and configurations of sliding contacts arranged so each contact wipes against a metal disc at a different distance from a turning shaft. Actually, you’d be hard pressed to find any of […]

Filed Under: Encoder, Featured, Frequently Asked Question (FAQ), Magnetic Tagged With: avtron, FAQ, Melexis

How can AI/ML improve sensor fusion performance?

April 8, 2022 By Jeff Shepard

Sensors are becoming ubiquitous as their price and availability continue to improve. However, sensor data is not that simple and is prone to noise and other interference. The complexities of sensor data have led to sensor fusion that aims to perform better than a single sensor by improving the signal-to-noise ratio, decreasing uncertainty and ambiguity, […]

Filed Under: Artificial intelligence (AI), Featured, Frequently Asked Question (FAQ), Sensor Fusion, Sensor Fusion, What's Hot Tagged With: FAQ

How are sensors improving maritime navigation?

April 7, 2022 By Jeff Shepard

Of course, GPS is important, but radar and the automatic identification system (AIS) use various sensors to track and report on ship positions in real-time. Sensor fusion is being developed for autonomous shipping. And there are hydrophones combined with other sensors and artificial intelligence (AI) and machine learning (ML) to identify and track whale movements […]

Filed Under: Featured, Frequently Asked Question (FAQ), GPS (Global Positioning System), Inertial Measurement Unit (IMU), Other, RADAR/LiDAR, Sensor Fusion, Sensor Fusion Tagged With: FAQ

What sensors do you need to land on the moon?

April 6, 2022 By Jeff Shepard

NASA is developing several sensor systems and algorithms for use on Artemis moon landings. It’s called the Safe and Precise Landing – Integrated Capabilities Evolution (SPLICE) technology suite. It consists of three primary elements: An inertial measurement unit (IMU) and a camera for terrain relative navigation. Second is Doppler LiDAR to determine the lander’s velocity […]

Filed Under: Aerospace, depth sensors, Distance, Electrical sensing, Featured, fiber optic, Frequently Asked Question (FAQ), Inertial Measurement Unit (IMU), Inertial Measurement Unit (IMU), laser, Other, RADAR/LiDAR, Time-of-Flight, What's Hot Tagged With: FAQ

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