quick-access your favorite spots or as 32 preferred frequency-remembering VFOs. speech processor and tone control to produce sparkling clear audio. PLUS there’s a new rubberized tuning knob for velvet-smooth tuning and a full line of accessories and filters. RF Power Control. Varies output independent of mic gain. ALC and speech processor action. Enjoy maximum "talk power" at any drive level! To see the IC-751A‚ contact your local ICOM dealer. ICOM America. Inc.. 2380-116th Ave NE‚ Bellevue. WA 98004
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the switching rate equals or exceeds the response rate of our human eyes‚ instead of the binary on-off switching‚ our eyes act as “averagers” and the LED is perceived to have “dimmed”. This averaging is analogous to our eyes acting as an RC low-pass filter (see Figure 2). If the switching rate is periodic‚ then the time it takes for a full switching cycle Tswc is given by ! T ≡ T +T ! swc on off (1.1) where Ton is the time the switch is on and Toff is the time that it is off. The frequency
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exposed to an external disturbing magnetic field. Several other components such as the differential amplifier‚ a band-pass filter and a temperature compensation circuit are used to process sensors signal and compensate the errors. The system offers a high resolution of 0.00616 mm‚ a bandwidth of 9 KHz and a measured distance of 60 mm. Keywords: MR sensors‚ band pass filter‚ magnet‚ smart transducer. IntroductionLinear position sensors are very useful in applications where precision positioning
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Walking Stick with Heart Attack Detection By Helen Kim Choon Yik Lee ECE 445‚ SENIOR DESIGN PROJECT SPRING 2005 TA: Richard Cantzler May 3‚ 2005 Project #28 ABSTRACT The Walking Stick with Heart Attack Detection is equipment that is used daily to indicate heart condition‚ to detect heart attack and to call for emergency help. It was designed specially to help senior citizens and patients with heart disease. This project is based on the previous project “Wireless Heart Attack Detector with
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Solutions Manual for: Communications Systems‚ 5th edition by Karl Wiklund‚ McMaster University‚ Hamilton‚ Canada Michael Moher‚ Space-Time DSP Ottawa‚ Canada and Simon Haykin‚ McMaster University‚ Hamilton‚ Canada Published by Wiley‚ 2009. Copyright © 2009 John Wiley & Sons‚ Inc. All Rights Reserved. Chapter 2 2.1 (a) g (t ) = A cos(2π f c t ) fc = 1 T ⎡ −T T ⎤ t∈⎢ ‚ ⎥ ⎣ 2 2⎦ We can rewrite the half-cosine as: ⎛t ⎞ A cos(2π f c t ) ⋅ rect ⎜ ⎟ ⎝T ⎠ Using the property of multiplication
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A Spatial Median Filter for Noise Removal in Digital Images James C. Church‚ Yixin Chen‚ and Stephen V. Rice Department of Computer and Information Science‚ University of Mississippi {jcchurch‚ychen‚rice}@cs.olemiss.edu Abstract In this paper‚ six different image filtering algorithms are compared based on their ability to reconstruct noiseaffected images. The purpose of these algorithms is to remove noise from a signal that might occur through the transmission of an image. A new algorithm‚ the
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An Application of Structural Filter and Gabor Deconvolution for AVO Processing Jiangbo Yu* and Dong Liu‚ University of Houston Summary This paper discusses two seismic data conditioning processes – Structural Filter (SF) and Gabor deconvolution. We found that these two techniques can improve AVO analysis in CMP and CRP gathers. Structural Filter greatly enhances the S/N of gathers by removing abnormal single high amplitude events‚ outliers and strong random noise. At the meantime‚ the relative
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Self-Cleaning Filter System Cuts Maintenance Costs Monday‚ October 08‚ 2001A routine oil and filter change in the tight quarters of the engine room onboard a boat is normally a messy and awkward job. Buckets of used lube oil and filter cartridges must be lugged up the narrow galley stairs for disposal and new oil and filters must be carried down the stairs‚ all in the short time while the boat is in dock for maintenance. Boston Harbor Cruises found that Alfa Laval’s Eliminator‚ an automatic self-cleaning
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important than food. It hydrates us and keeps us not only physically healthy‚ but mentally as well. Therefore‚ it is very important that we drink a healthy and fresh water at all times. Here is why every kitchen should have a water ionizer and a water filter. What does a water ionizer? Once you install an ionizer‚ the water’s taste will significantly improve‚ and it will also become healthier and fresher. Your body’s pH balance will be restored‚ and the cellular hydration will be improved. Furthermore
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DD’s editorial Internet filters block our education Did you know that in our school‚ we are not allowed to research the effects of violent video games on children for Social Studies; post a story about learning to play baseball on a class website in ELA; and read about breast cancer in Health class? The filtering software that controls how the Internet comes into school does not allow us to look at pages with words like “video game”‚ “baseball” or “breast. These rules may be meant to protect
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