Latest Linear filters Stories

orbital debris
2014-09-23 02:00:56

Karthika Muthukumaraswamy, Society for Industrial and Applied Mathematics Space surveillance is inherently challenging when compared to other tracking environments due to various reasons, not least of which is the long time gap between surveillance updates. “Unlike the air and missile defense environments where objects are frequently observed, the space surveillance environment data is starved, with many objects going several orbital periods between observations,” according to...

2012-03-19 23:03:32

Precision Devices Inc. (PDI), a member of the Avrio Technology Group LLC released the FTR80361, its latest 122.400MHz fundamental mode monolithic crystal filter. Middleton, WI (PRWEB) March 19, 2012 Precision Devices Inc. (PDI), a member of the Avrio Technology Group LLC, announced today the release of the FTR80361, its latest 122.400MHz fundamental mode monolithic crystal filter. Made in the United States and priced competitively, the FTR80361 monolithic crystal filter is targeted at a...

2010-10-20 18:51:48

A research team from Nanyang Technological University (NTU) has successfully designed the world's smallest on-chip low-pass filter which is 1,000 times smaller than existing off-chip filters. A low-pass filter is a circuit that allows low-frequency signals to pass through while reducing unwanted high-frequency signals from passing through. Compared to existing off-chip filters, which are discrete and bulky components, on-chip filters occupy a small area on integrated circuit chips, which can...

2010-05-10 08:00:00

DALLAS, May 10 /PRNewswire/ -- Texas Instruments Incorporated (TI) (NYSE: TXN) today introduced the latest version of its popular FilterPro(TM) design tool. FilterPro v3.0 offers a new and improved user interface and a more accurate and robust filter design engine, thanks to updates, such as ability to adjust passive element tolerances and view response variations; scale passive component values; and view and export filter performance data to Excel. The tool allows designers to create and...

2008-09-27 03:00:13

By Hoffman, Ross N Ponte, Rui M; Kostelich, Eric J; Blumberg, Alan; Szunyogh, Istvan; Vinogradov, Sergey V; Henderson, John M ABSTRACT Data assimilation approaches that use ensembles to approximate a Kalman filter have many potential advantages for oceanographic applications. To explore the extent to which this holds, the Estuarine and Coastal Ocean Model (ECOM) is coupled with a modern data assimilation method based on the local ensemble transform Kalman filter (LETKF), and a series of...

2008-09-17 06:00:20

Tokyo, Sept 17, 2008 - (JCN Newswire) - TDK Corporation announced today that it developed and began mass-producing in September a multilayer bandpass filter for 2.4 GHz wireless LAN and Bluetooth1 use that achieves same low-loss and high-attenuation2 characteristics of earlier products despite its 1608 size and 0.55 mm thickness, making it about 40% smaller in volume. As mobile communications terminals such as mobile phones have been made smaller and lighter while functioning at higher...

Word of the Day
  • A goblin in English folklore, often appearing in the shape of a large dog and believed to portend imminent death or misfortune.
  • A ghost, wraith, hobgoblin, elf, or spirit.
The origin of 'barghest' is not known, but it may be from perhaps burh-ghest, town-ghost, or German Berg-geist (mountain spirit) or Bär-geist (bear-spirit).