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Category: Computer Engineering

Mizzou Cyber Range to Focus on Cyber Pretense Strategies

Hackers are getting smarter about ways to steal sensitive information from the cloud. Now, a new “Mizzou Cyber Range” will train the next generation of cybersecurity professionals to fight back using cyber pretense strategies. Armed with new grant funding from the National Security Agency, Prasad Calyam and his team are building the Mizzou Cyber Range through the MU Center for Cyber Education, Research and Infrastructure. Calyam is director of the center, an associate professor of electrical engineering and computer science…

LIquid: The soul of a new graph database, Part 2

This allows us to have distinct relative identities for a predicate: “the subject side,” sm, and “the object side,” om, without bothering the user to come up with unique identifiers for them. LIquid’s nearest neighbors  Let’s define what we’ve built. A “graph database” is an implementation of the relational model with the following properties: All relations are equal and first-class. While a useful form of index for predictable access patterns, employing tables as the physical data model results in inequities…

Analytical model helps researchers fine-tune battery performance

A graph that maps the capacity of batteries to cathode thickness and porosity shows a laborious search based on numerical simulations (black square) and a new Rice University algorithm (red dot) return nearly the same result. Rice researchers say their calculations are at least 100,000 times faster. Credit: Fan Wang/Rice University A simpler and more efficient way to predict performance will lead to better batteries, according to Rice University engineers. That their method is 100,000 times faster than current modeling…

Arm Delivers 64-Bit Real-Time Processor Core

Arm’s Cortex-R series, which targets real-time applications, has been a 32-bit platform since its inception. However, the addition of the Cortex-R82 pushes it into the 64-bit space (see figure). The Cortex-R52 brought multicore support with a 32-bit flair, but it only provided a memory protection unit (MPU) like prior versions of the R series. This is less of an issue for the application space where deterministic, real-time support is key. Likewise, the R series is typically part of a system-on-chip…

MIPI Alliance Releases A-PHY SerDes Interface for Automotive

Arm’s Cortex-R series, which targets real-time applications, has been a 32-bit platform since its inception. However, the addition of the Cortex-R82 pushes it into the 64-bit space (see figure). The Cortex-R52 brought multicore support with a 32-bit flair, but it only provided a memory protection unit (MPU) like prior versions of the R series. This is less of an issue for the application space where deterministic, real-time support is key. Likewise, the R series is typically part of a system-on-chip…

This Week in PowerBites: PSpice Prescience, GaN/Si Audio Smackdown!

>> Electronic Design Resources.. >> Library: Article Series.. .. >> Article Series: PowerBites A GaN vs. Silicon Audio Smackdown? Paper Offers Head-to-Head Comparison for Class-D Audio Apps Gallium-nitride (GaN) power devices are already causing a minor revolution in industrial power applications such as motor drives and power supplies, but are they also poised to change our expectations about what’s possible for audio products? GaN Systems thinks so. The recently released reference design for an all-GaN, no-heatsink stereo amplifier that delivers…

Sustainable processing delivers highest quality, minimizing odor and taste — ScienceDaily

A new study, co-led by University of Cincinnati researchers, describes the development of a refining process that scientists deem a superior method to help produce better dietary omega-3 health and dietary supplements containing fish oil. Fish oil is widely known to be an excellent dietary source of omega-3 polyunsaturated fatty acids (PUFAs) having positive effects on human health including heart and eye health, inflammation and bone density. The novel process uses a new tool called a vortex fluidic device (VFD)…

Op Amps for Linear Designs: Back to the Basics

>> Electronic Design Resources.. >> Library: Article Series.. ..>> Series: The JESD204 Story What you’ll learn Different types of interface standards used in LVDS. Recommendations for interfacing FPGAs to ADCs. Methods of troubleshooting when connecting to the AD9268 ADC. Interfacing FPGAs to ADC digital data outputs is a common engineering challenge. The task is complicated by the fact that ADCs use a variety of digital data styles and standards (Fig. 1). Single-data-rate (SDR) CMOS is very common for lower-speed data…

Interfacing FPGAs to an ADC’s Digital Data Output

>> Electronic Design Resources.. >> Library: Article Series.. ..>> Series: The JESD204 Story What you’ll learn Different types of interface standards used in LVDS. Recommendations for interfacing FPGAs to ADCs. Methods of troubleshooting when connecting to the AD9268 ADC. Interfacing FPGAs to ADC digital data outputs is a common engineering challenge. The task is complicated by the fact that ADCs use a variety of digital data styles and standards (Fig. 1). Single-data-rate (SDR) CMOS is very common for lower-speed data…

Predicting the slow death of lithium-ion batteries

Credit: CC0 Public Domain Batteries fade as they age, slowly losing power and storage capacity. As in people, aging plays out differently from one battery to another, and it’s next to impossible to measure or model all of the interacting mechanisms that contribute to decline. As a result, most of the systems used to manage charge levels wisely and to estimate driving range in electric cars are nearly blind to changes in the battery’s internal workings. Instead, they operate more…