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signal processing (18 results), digital signal (3 results), 37Signals (2 results), digital signal processor (2 results), VoiceSignal Technologies Inc. (1 results)
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ZDNet Dictionary Definition
- Signal
- Any electrical or light pulse or frequency whether in a wire or fiber or wireless. The term is somewhat generic and may refer to virtually anything that is generated...
- Full Signal Definition >>
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- Microwaves from silicon chips?
- X-rays are widely used for medical imaging and security, but they still are dangerous. Would it be possible to replace X-rays by an imaging technology based on microwave radiation? Until now, it was not feasible because portable devices were not powerful enough. Now, two U.S. scientists have found how to...
- Blog posts 2008-05-30
- Trader68 (exe)
- Trader68 is a fully automated order routing system which allows you to trade your real-time signals live -- as soon as they are generated. Trade orders are routed from your system to your broker without any action required on your part. Enjoy hands-off trading of signals from Collective2 and TradingSolutions...
- Software downloads 2008-05-23
- Two robotic jellyfish, AquaJelly and AirJelly
- A Design News editor was lucky enough to watch two robotic jellyfish swim and fly at the Hannover Fair in Germany. These two robots, AquaJelly and AirJelly, made by Germany-based Festo company, are using 8 tentacles based on fish fins for propulsion. The AquaJelly has 11 infrared light-emitting diodes and...
- Blog posts 2008-04-23
- Hotesignal Freeware (exe)
- HoteSignal Freeware provides glimpse at stock pricing services at hotesignal.com. Stock signals are issued by our professional day trader expert who uses In-house built advance forecasting tools to issue signals. HoteSignal.com experts then evaluate each signal manually to give there final recommendation. This version is the first release on CNET...
- Software downloads 2008-03-24
- BlackBerry patent app addresses "battery slump" monitoring, management issues
- A new BlackBerry patent application published just yesterday would improve the ability of BlackBerry devices to read voltage levels. The patent app is entitled System and Method for Managing Battery Slump. As we often do when discussing patents, let's read the Abstract...
- Blog posts 2008-01-18
- FastSatfinder (exe)
- FastSatfinder is a hi-tech tool that will help you to setup a satellite system and easily find the signal from a satellite. The program has many features, such as: reports the quality and the level of the signal, supports many dvbs cards or USB tuners, full screen mode, ability to...
- Software downloads 2008-01-15
- An EEG-controlled robotic arm
- Many researchers around the world have tried to build robotic devices able to help people with paralysis. Now, European researchers have developed a robot control system based on electroencephalogram EEG. The patients using the Brain2Robot system might regain some of their lost autonomy. The users will control the robotic arm...
- Blog posts 2007-11-25
- Scope2k4 (zip)
- Scope2k4 is a PC-based 4-channel oscilloscope. This program turns your computer into a basic oscilloscope, which can measure 4 analog signals, using the standard LPT port of the computer. The user can open previously saved data into the current measurement session and show/hide individual traces. The program supports a double...
- Software downloads 2006-06-19
- Troubleshooting Digitally Modulated Signals With a QAM Analyzer
- Quadrature Amplitude Modulation QAM is a modulation scheme which conveys data by changing modulating the amplitude of two carrier waves. This paper gives an overview of the features available in many QAM analyzers, and more importantly, how to use those features to troubleshoot problems with digitally modulated signals. This understanding...
- White papers 2006-06-13
- PAPR Performance of IDFT-Based Uncoded OFDM Signals With Null Subcarriers and Transmit Filtering
- In this paper, the Peak-to-Average Power Ratio PAPR is evaluated for the uncoded Orthogonal Frequency Division Multiplexing OFDM signals generated by using the IDFT procedure. The power spectral density of the transmitted OFDM signal is derived, taking into account the effects of cyclic prefix, windowing, digital-to-analog converter, null-subcarriers, and analog...
- White papers 2006-02-23
- Testing Challenges for 10 Gb/S Ethernet Over Twisted-Pair Cabling: New Installation and Testing Guidelines Help Combat Alien Crosstalk (AXTalk)
- The transmission capabilities of a cabling link cannot be defined in isolation. The transmitter encodes the digital information, generates the electrical signals to be transmitted and sends these signals on the cabling link. The physical link must be able to transmit the signal from the transmitter to the receiver over...
- White papers 2006-02-01
- Blind Detection of CDMA Signals Based on Kalman Filter
- This paper studies detection of CDMA signals based on Kalman filter. In the absence of both training symbols and the knowledge about multipath channel parameters, the system can be exactly fit into the Kalman model. By defining combination of channel and transmitted signals as state variables, the state transition matrix...
- White papers
Additional Resources
- Talent development
- Earlier this week I attended Fortune magazine's Brainstorm Tech conference which "aims to sharpen the thinking of the very well heeled attendees about the escalating impact of tech-driven change for all business and global society". There was a terrific menu of topics on offer:...
- Blog posts 2008-07-25
- 10 essential gadgets for students
- I chose these from personal experience, but also from asking many friends from around the world who are involved in technology and study at the same time. Some gadgets come with a recommendation, whereas others don't; things like laptops and cell phones can't be selected for everybody, it'd be ridiculous...
- Blog posts 2008-07-25
- Nokia 500 Auto Navigation
- First announced at SEMA 2007, the Nokia 500 Auto Navigation system is finally hitting the streets. It's the second portable navigation device we've seen from the Finnish cell phone manufacturer (the first being the Nokia 330 Auto Navigation) and it's a big improvement over the 330. The design is a...
- Product reviews 2008-07-23
- Virgin Mobile Arc
- Photo gallery:Virgin Mobile ArcVirgin Mobile is known for its entry-level phones with catchy names, and the Arc by UTStarcom is no different. The Arc sets itself apart from the rest of Virgin Mobile's lineup with a unique and very appealing curved design. Otherwise, it has a decidedly basic feature set,...
- Product reviews 2008-07-22
- Georgia President's web site under DDoS attack from Russian hackers
- From Russia with political love? It appears so according to a deeper analysis of the command and control servers used by the attackers. During the weekend, Georgia President's web site was under a distributed denial of service attack which managed to take it offline for a couple of hours. The...
- Blog posts 2008-07-22
- Zenith DTT901
- Editors' note: The DTT901 is nearly identical to the Zenith DTT900, except the DTT901 adds the ability to pass analog signals to a TV and has slightly better sound. Otherwise, the reviews are virtually identical.The FCC has pushed back the DTV transition several times already, but it looks as if...
- Product reviews 2008-07-21
- Samsung SGH-A227 (AT&T)
- In the land of basic cell phones, variety is pretty slim. That's why AT&T's Samsung SGH-A227 fits so well in the genre. Sporting a minimalist flip design with simple calling and messaging features, the SGH-A227 does exactly what a cell phone should do. Though its controls are rather cramped and...
- Product reviews 2008-07-21
- DIRECTV: Well HERE's Your Problem, Ma'am...
- Shortly after I posted my diatribe on my problems with my DIRECTV HD receivers and the company's horrible customer service, I was contacted by Stuart Sweet, a moderator on a popular Satellite TV forums site, DBSTalk. Apparently, my post had created quite a stir and I was asked to register...
- Blog posts 2008-07-20
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