Who's Who: Aerospace

Jeff Ding introduced friction stir welding (FSW) to NASA in 1995. He currently holds 6 U.S. patents for FSW, including one for an automatic retractable pin tool that...

Briefs: Energy

SiGe is an important semiconductor alloy for high-speed field effect transistors (FETs), high-temperature thermoelectric devices, photovoltaic solar cells, and...

Articles: Software
Changing Roles in a Challenging Environment

In our annual poll of executives at leading analysis and simulation software companies, we posed questions dealing with virtual prototyping, the...

NASA Tech Needs

Stennis Space Center is NASA’s primary center for rocket engine testing. The facilities include large test stands built for the Apollo Program that are being used to test Space Shuttle Main...

Products: Electronics & Computers

General Micro Systems (Rancho Cucamonga, CA) has introduced the “Raider” S705 Core 2 Duo®-based system. Raider is based on the GMS P70x module, a Core 2 Duo processor providing up to 2.16 GHz of power and 4 MB...

Products: Electronics & Computers

Unitronics (Quincy, MA) has added the V570-57-T20B to the company’s Vision570™ series of 5.7” Color Touchscreen PLCs. The model is lower in cost and has a white LED instead of fluorescent display backlight. The...

Products: Electronics & Computers

Stealth.com Inc. (Ontario, Canada) has released the Stealth TT-840, a rugged, environmentally sealed LCD monitor for harsh environments. The TT-840 is an 8.4 inch sunlight-readable LCD encapsulated in a...

Products: Electronics & Computers

The TX37 Freescale i.MX37 processor-based System on Module (SOM) from Strategic Test (Woburn, MA) measures just 67.6mm x 26mm x 4.2 mm. It contains a 532 MHz i.MX37 processor coupled with 128 MB mobile DDRSDRAM,...

Products: Electronics & Computers

Advantech (Cincinnati, OH) introduces the TPC-1780H, a 17" SXGA TFT LCD fanless touch panel PC with an Intel® Core™ 2 Duo CPU. The TPC-1780H provides one extension slot, such as RS-422/485, PCI-104, and...

Products: Electronics & Computers

Xilinx (San Jose, CA) introduces the ISE® Design Suite 11.1, an FPGA design solution with fully interoperable domain-specific design flows and tool configurations for logic, digital signal processing (DSP), embedded...

Products: Electronics & Computers

Fairchild Semiconductor (San Jose, CA) has introduced the RD212, a 200W DC/DC power supply reference design that offers high efficiency (up to 94 percent), and low noise characteristics due to its zero voltage...

Articles: Electronics & Computers

The trick to exploiting the ultra lowpower characteristics of microcontrollers with 100 nA sleep mode power consumption is to keep them in sleep mode as much as possible. The problem is...

Articles: Electronics & Computers

Much confusion exists about characterizing the performance of a highspeed digitizer device. Nominal vertical resolution is routinely presented as an indicator of a digitizer’s...

Articles: Electronics & Computers

Designing a versatile data acquisition (DAQ) system begins by comparing features of the signal of interest to the capabilities of current state-of-the-art A/D converters. Specifically, signal...

Briefs: Information Technology
Progressive Classification Using Support Vector Machines

An algorithm for progressive classification of data, analogous to progressive rendering of images, makes it possible to compromise between speed and accuracy. This algorithm uses support vector machines (SVMs) to classify data. An SVM is a machine learning algorithm that builds a...

Briefs: Information Technology
Active Learning With Irrelevant Examples

An improved active learning method has been devised for training data classifiers. One example of a data classifier is the algorithm used by the United States Postal Service since the 1960s to recognize scans of handwritten digits for processing zip codes. Active learning algorithms enable rapid training...

Articles: Photonics/Optics

A nearly geometric growth in the data requirements for many machine vision applications is pushing 32-bit processing to its limits. The challenge is not in processing power, however, but in addressing memory...

Application Briefs: Photonics/Optics

For 3D viewing to be convenient on small, portable devices, it must be autostereoscopic, thus eliminating the requirement for 3D “glasses.” The display devices must also provide 2D and 3D...

Briefs: Photonics/Optics
Solar Rejection Filter for Large Telescopes

To reject solar radiation photons at the front aperture for large telescopes, a mosaic of large transmission mode filters is placed in front of the telescope or at the aperture of the dome. Filtering options for effective rejection of sunlight include a smaller filter down-path near the focus of the...

Briefs: Photonics/Optics
Free-Space Optical Interconnect Employing VCSEL Diodes

Sensor signal processing is widely used on aircraft and spacecraft. The scheme employs multiple input/output nodes for data acquisition and CPU (central processing unit) nodes for data processing. To connect 110 nodes and CPU nodes, scalable interconnections such as backplanes are desired...

Briefs: Photonics/Optics

Two recipes for ensuring critical coupling between a single-mode optical fiber and a whispering-gallery-mode (WGM) optical resonator have been devised. The recipes provide for phase...

Products: Photonics/Optics

Marshall’s Industrial and Security Division (El Segundo, CA) has developed a new series of pinhole lenses designed to protect employees when monitoring high temperature and/or hostile...

Products: Photonics/Optics

The Specialised Imaging Shadowgraph (SIS) camera from Specialised Imaging (Tring, UK) enables high resolution digital imaging of ultra-fast events in ambient and low-light environments. Integrating this camera with an...

Products: Photonics/Optics

Laser Components (Hudson, NH) offers solid state laser coatings with high damage thresholds, including coatings for Q-switched lasers at 1064 nm, 532 nm, 355 nm, or 266 nm. Coatings for short pulse...

Products: Photonics/Optics

Optical Surfaces Ltd (Surrey, UK) can generate highly aspheric parabolic mirrors with off-axis angles approaching 30 degrees and focal lengths as short as 100mm. They can also fabricate high-performance...

Products: Photonics/Optics

Toshiba Teli America (Irvine, CA) has introduced the CS8581QF, a remote-head FireWire camera system for high-speed industrial imaging. The CS8581QF offers 133 fps at full 640 × 480 resolution (8bit monochrome),...

Products: Photonics/Optics

The SC-3 Sub-Miniature Resonant Optical Scanner from Electro-Optical Products (Fresh Meadows, NY) is an electromagnetically driven moving mirror device that deflects a light beam with a continuous...

Products: Photonics/Optics

The CMOS camera models ProgRes® CT1, CT3 and CT5 from Jenoptik (Jena, Germany) are now equipped with USB interface. With an extended resolution up to 5 Megapixel and a live frame rate up to 20 fps the new USB Camera of...

Products: Photonics/Optics

Lincoln Laser (Phoenix, AZ) has announced a new family of RTA Polygonal Scanners. You may select a precision ball bearing motor for operation from 500 to 12,000 RPM or a self-generating air bearing motor for operation...

Videos