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What is a comb filter?
A comb filter is a bandpass filter used to process audio and video signals by mixing the original with a delayed signal. Comb filters allow selected frequencies to pass while blocking their harmonics and all other frequencies. (Souce: EE Times)
total search24 articles
2014-07-21 Plasmon sensors to put bomb-sniffing canines out of work
The device uses reflectors to bounce the surface plasmons back and forth inside the sensordramatically increasing the sensitivity of the sensor to detect incredibly minute concentrations of explosives.
2003-05-28 Intel drops 157 litho from roadmap
Intel dropped a bomb on the lithography industry when it said it has removed the 157nm lithography generation from its tech roadmap.
2010-10-27 Xeon gets embedded for flight
Mercury's Xeon embedded computer houses two quad-core Jasper Forest Xeon processors in an OpenVPX module for use in high-end radar, multi-sensor electro-optical/IR and other embedded applications.
2015-02-16 World's greatest cars: Is yours on the list?
Much more than being able to carry us from point A to point B, today's cars have transformed from being a simple means of transportation into something short of science fiction contraptions.
2014-06-17 Vision-based AI boosts surveillance applications
Cost, performance and power consumption advances are now paving the way for the proliferation of embedded vision into diverse surveillance applications.
2011-07-25 Using COFDM microwave links in mission-critical apps
Learn about the various applications of COFDM microwave technology in the field of video surveillance and security.
2010-03-15 Security threats push Asia Pacific biometrics market
Frost & Sullivan's The Asia Pacific Biometrics Market analysis finds that the market earned revenues of over $165 million in 2009 for hardware only and estimates to reach $700.7 million in 2015.
2002-05-09 REMOTEC integrates Opticomm optical solution into robotics systems
Robotics company REMOTEC Inc. has adopted Opticomm Corp.'s fiber-optic solution, FMV-586-12V, to link remote control stations to its ANDROS robotic vehicles via fiber-optic cable reel.
2010-08-12 Raytheon integrates millimeter-wave radar, uncooled imaging IR and semiactive laser in weapon
Raytheon announced that it will be supplying the USAF with GBU-53/B air-launched, precision-strike standoff weapons integrating millimeter-wave radar, uncooled imaging IR and semiactive laser.
2015-01-27 Power grids offer path to effective malware detection
PFP Cybersecurity, a security startup, uses trends in power consumption activity, rather than standard malware detection, to spot cyber attacks against power and manufacturing plants.
2004-10-01 Partitioning helps build system reliability
True partitioning should include not only protecting the kernel and application code, but also the communication stack.
2014-04-25 Li-ion battery transforms devices into ticking bombs
The cell contains lithium and ether electrolytea volatile combination that can result in combustion when overheated. Whereas a number of testing standards exist to mitigate this risk, a Li-ion battery must also find a balance between cell-balancing and temperature accuracy capabilities.
2008-01-16 Gartner gives grim chip outlook
Gartner Inc. forecasts that the semiconductor market will grow less than 5 percent over the 2006 to 2011 period, but what's more troubling is the news that the traditional difficulties of the memory-chip sector are likely to flare up into a major crisis during the period.
2015-03-31 Flying drones, big data fight poaching
SAN Parks (South African National Parks) announced that these unmanned aerial vehicle solutions would now be an integral part of their strategy to combat rhino poaching in the Kruger National Park.
2007-10-17 EU review hints at major RoHS revamp
The EU is reviewing its RoHS directive and is expected to recommend tweaks that would make RoHS clearer, simpler and perhaps a bit broader.
2003-04-01 DVR, biometrics lead the security industry
The article will focus on the physical aspect of security, particularly digital video recorders, which has a high growth potential.
2011-11-01 Counterfeiting case reveals defense system flaws
The case of VisionTech has opened
2015-08-07 China stock market slide: Impact on electronics industry
The Chinese stock market has been making a lot of headlines as of late, where after a huge run up in the last year of 125 per cent, the market has dropped, having lost half of that gain in just a few days.
2007-12-27 China startup aims for piece of fab-tool market
Looking to turn the IC-equipment industry upside down, China startup AMEC has rolled out its initial tools, unveiled its strategy and disclosed plans to go public in the future.
2013-07-11 Benefits of high assurance software engineering
Here's an introduction to a set of principles of high assurance software engineering for securing embedded systems.
2009-10-21 Analysis: Is IBM turning over key IC tech to China?
IBM Corp. has struck its second major chip deal in China, leaving questions on if the company is handing over technology to that nation without thinking about the possible consequences.
2008-11-26 Analysis: China's quest for chip stardom
Will China find a way to build its own semiconductor industry? If so, who will become China's Intel?
2007-02-19 Analog control vs. digital in power management
To shed light on various aspects of the analog and digital control of power management, we'll clarify the fundamental differences between the technologies and determine how they affect system performance.
2008-04-01 Achieving analog success through predictability
Linear Technology Corp. CEO Lothar Maier describes the analog chipmaker as "predictable" and even "boring." But Linear is far from dull. In this interview, Maier disclosed that the company considered a private -equity buyout, refocused its product efforts and moved to cut its capital spending.
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