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- Reducing the Peak to Average Power Ratio of Multicarrier Signals by Adaptive Subcarrier Selection
- A non-constant envelope is a fundamental problem of the multicarrier technique OFDM. In many cases, non-linear power amplifiers with power saturation lead to high out-of-band radiation. Another characteristic of OFDM is the influence of frequency selective fading of mobile radio channels. To overcome this effect coding schemes are required for...
- Tags: Radio, Radiation, OFDM, Advertising & Promotion, Wireless, Marketing
- White papers
- Geek Trivia: The Quibble of the Week for February 19
- If you uncover a questionable fact or debatable aspect of this week's Geek Trivia, "Quite a tail to tell," just post it in the discussion area. Every week, yours truly will choose the best quibble from the assembled masses and discuss it in a future edition of Geek Trivia. ...
- Tags: Quibble, Dr., Radiation, Policies And Procedures, TVs, Tv & Home Theater, Human Resources, Personal Technology, Home Entertainment, Jay Garmon
- Blog posts 2008-02-19
- Geek Trivia: Overdose of tragedy
- For those of you interested in the various scales that quantify major disasters, we have a new entry for you: The International Nuclear Events Scale. The INES is an eight-point (0 to 7) numeric scale developed by the International Atomic Energy Agency for communicating the level of danger represented by...
- Tags: Chernobyl, Radiation, Accident, INES, INES Level 7, INES Level 0 Event, Cecil Kelley, Policies And Procedures, Human Resources, Jay Garmon
- Blog posts 2008-01-22
- The advent of wireless power
- But just imagine for a moment when such a technology is finally ready for market release. How do you think it would change the way you perform your daily work in particular, and with the IT landscape in general?Wireless electricity doesn't shockA friend and I were discussing some 2-years...
- Tags: Engineering, paulmah@..., magnetic field, radiation, wireless
- Discussion threads 2007-06-15
- Wi-Fi safety questioned again
- The safety of wifi is again in question as teachers ask for an investigation in the safety of wireless networks in schools. The call comes as Philip Parkin, General Secretary of the Professional Association of Teachers wrote to the Secretary or State for Education requesting a government commissioned scientific...
- Tags: Wireless, Wifi, Wi-fi, Scaremongering, News, Networking, General
- Blog posts 2007-05-01
- New paint protects wireless devices
- Welcome tool for restaurants and theatresPlease, paint my favorite restaurants and theaters and save us all the well-known annoyance of inconsiderate cell-phone jabberers!Hey, the paint back in the newsThe last article I saw about wifi blocking paint was while the product was still directed at military, government and big business.If...
- Tags: Wireless LANs, Cellular phones, wireless device, Steve.Harper@..., wireless, radiation, cell phone, Wi-Fi, telephone
- Discussion threads 2007-03-19
- Images: New radiation warning--run for your life
- The International Atomic Energy Agency wants to make it clear that it's time to panic by adding a person running and a skull and crossbones to its radiation warning symbol.
- Tags: International Atomic Energy Agency, radiation
- Image galleries 2007-02-23
- Geek Trivia: Shedding some (laser) light
- Who wrote the first published use of the word laser? This week, we start by dispelling a Geek Trivia myth: Albert Einstein did not win a Nobel Prize for his theory of relativity. Yes, everyone's favorite patent clerk did win a Nobel Prize in...
- Tags: Einstein, Jay Garmon, laser, maser, relativity, Geek Trivia Newsletter, Community, Radiation
- Technical articles 2006-04-11
- Geek Trivia: Ahead of its time (and space)
- What still-experimental propulsive technique was Mariner 10 the first spacecraft to use? It's space-probe celebration time again, boys and girls, as we mark the 32nd anniversary of Mariner 10's first flyby of the planet Mercury. On March 29, 1974, Mariner 10 became the first—and, to date, only—spacecraft...
- Tags: Mercury, Jay Garmon, Mariner 10, Geek Trivia Newsletter, TechRepublic Inc., Spacecraft, Radiation, Hubble Space Telescope, Productivity, Aerospace & Defense, Manufacturing
- Technical articles 2006-03-28
- Wireless networking: Is it really safe?
- We've got a live discussion on this herehttp://blogs.techrepublic.com.com/Ou/?p=377Lets just create Faraday suits . . . . . . .Lets just create Faraday cage suits for the children to go to school in the U.K.. Let us face it, these are the same
- Tags: networking, george_ou@..., Wi-Fi, radiation, radio, wireless, wireless networking
- Discussion threads 2006-11-27
- (Images: Google Earth joins the space program)
- Apollo on the Moon ?What's the story about not being able to cross the Van Halen belt ?Technically its said that man cannot reach the moon. Recently in an interview a russian cosmonaut was explaining this in discovery channel. Eventhough Russian
- Tags: belt, Google Earth, google earth joins the space program, Google Inc., Moon, off-topic, radiation, Thermos, usstropicana@..., Van Halen
- Discussion threads 2006-11-04
- Geek Trivia: Reigning storms
- What's the deadliest Atlantic hurricane in recorded history? While most news outlets are still reporting on the aftermath of Hurricanes Katrina and Rita, it's important to remember that these hurricanes were neither the first nor the last devastating storms in human history. In fact, this week...
- Tags: Jay Garmon, Columbus Day Storm, Columbus Day, Columbus, Atlantic hurricane, Geek Trivia Newsletter, Storm, Hurricane, Radiation, Atlantic, Corporate Communications, Corporate Governance, Currency & Foreign Exchange, Sales Tools, Marketing, Business Operations, Corporate Law, Finance, Sales
- Technical articles 2005-10-11
- Geek Trivia: Ahead of its time (and space)
- The Crookes RadiometerHey, Jay, if you never had a Crookes Radiometer as a kid, you may not truly qualify as a science Geek.Of course, the Crookes Radiometer doesn't work properly (it's a diferent sort of effect that swamps the radiative pressure effect and actually causes the blades to turn BACKWARDS,...
- Tags: Bill Ward, career, Crookes Radiometer, radiation, trajectory, trivia, wind
- Discussion threads 2006-03-29
- Geek Trivia: More super than super
- Gamma rays quibbleIn your assertion that 'Gamma rays are the highest energy form of radiation--effectively, the "brightest" kind of light in the sky', I would argue that the 'brightness' of the radiation has more to do with the amount of the photons of the radiation. It would be more accurate...
- Tags: Alpha, atom, career, Chris Didion, electron, Gamma, Gamma Ray, gamma rays quibble, particle, radiation
- Discussion threads 2005-09-21
Additional Resources
- Cactus Emulator (exe)
- Cactus Emulator is a fancy utility. It simulates the cactus properties. These miraculous plants can protect you from electromagnetic radiation, stabilize your sexuality, regenerate the earth power, help you to get more energy. You can enable radiation protection, life force, joyful, aura cleansing, love, beauty, inner cleansing and golden barrel...
- Tags: Emulator, Cactus Emulator
- Software downloads 2005-09-14
- T-rays detect more materials more safely than X-rays
- Researchers at the U.S. Department of Energy's Argonne National Laboratory, in collaboration with scientists in Turkey and Japan, have developed a portable scanning device based on terrahertz radiation that detects more materials without the harmful effects of X-rays. An excerpt from VNUnet: Unlike more energetic...
- Tags: Material, T-rays, Public Relations, Productivity, Security, Marketing, Corporate Communications, Arun Radhakrishnan
- Blog posts 2007-11-29
- Metrology (exe)
- Make many unit conversions by Metrology tool. Including Acceleration, Weight_Mass, Computer Storage, Circular_Angle, Density, Pressure, Sound, Power, Date_Time, Torque, Calorie, Speed, Area, Energy Work, Force, Frequency, Fuel Efficiency, Length/Distance, Volume, Resistance, Resistivity, Capacitance, Conductance, Radioactivity, Radiation Absorbed Dose, Radiation Exposure, Heat Capacity, Heat Transfer Coefficient, Heat Flux Density, Flow Mass,...
- Tags: Density, Productivity, Telecom & Utilities
- Software downloads 2008-01-10
- MIT's new WiTricity could eliminate power cords, and even batteries
- Can WiTricity reduce or eliminate the need for batteries?I wrote about the fact that MIT's WiTricity is aiming to reduce or eliminate the need for power cords and batteries:http://blogs.techrepublic.com.com/hiner/?p=508Of course, most devices will probably still need batteries for remote roaming, but these wireless power technologies could increase battery life and...
- Tags: Engineering, Aerospace & Defense, Network technology, Jason Hiner, battery, WiTricity, radar, Massachusetts Institute of Technology
- Discussion threads 2007-06-15
- WorldWide Telescope (exe)
- The WorldWide Telescope WWT is a Web 2.0 visualization software environment that enables your computer to function as a virtual telescope, bringing together imagery from the best ground and space-based telescopes in the world for a seamless exploration of the universe.WorldWide Telescope is created with the Microsoft Visual Experience Engine...
- Tags: Environment, Sky, Web 2.0, Internet
- Software downloads 2008-05-13
- Nuclear Locator (zip)
- Nuclear Locator finds the coordinates of a nearby radioactive source relative to an array of three radiation detectors that are arranged in a triangular pattern. Applications include finding Radon sources in the home, Uranium prospecting, and uses in homeland security. Version 3 is a Free-To-Try version.
- Tags: Nuclear Locator, Homeland Security, Government
- Software downloads 2007-06-16
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