(http://rbi.ims.ca/4917-54). Although only 10 × 10 × 12 inches, this digitally-controlled subwoofer delivers 2000W of dynamic power with a fraction of the distortion of competitive systems. A digital accelerometer in the unit measures the movement of the subwoofer cone and a DSP controller compares this movement to the input signal at a rate of 15,800 times per second to make corrections and keep the cone's motion as close as possible to the source input. To achieve typical distortion rates well below 0.5 percent, Velodyne Acoustics' engineers chose Texas Instruments' TMS320C2000 controller for its DSP performance and highly integrated MCU-like peripherals. For more information on Texas Instruments' TMS320C2000, go to http://rbi.ims.ca/4917-542.
A bold, gold, open-air coupe may not be the ticket to automotive nirvana for every consumer, but Lexus’ LF-C2 concept car certainly turned heads at the recent Los Angeles Auto Show. What’s more, it may provide a glimpse of the luxury automaker’s future.
The complexity of diesel engines means optimizing their performance requires a large amount of experimentation. Computational fluid dynamics (CFD) is a very useful and intuitive tool in this, and cold flow analysis using CFD is an ideal approach to study the flow characteristics without going into the details of chemical reactions occurring during the combustion.
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