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Topic: Electronic noise

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Pink Noise Generator Kit Amateur Radio, Amplifier, Audio Equipment, Clock Kits, Color Organs, Electronic Games, Electronic Kits by CanaKit, Electronic Parts and Components, Electronic Project Kits, Electronics for Kids, Light Effects, Miscellaneous Electronic Kits, Noise Effects, Power Supply, Radio Kits, Sensors and Remotes, Surveillance, Telephone Kits, Test Equipment and Tools, Timers and Relays, TV Video Kits To analyze the acoustic properties of a room (usually a living-room), a good pink noise generator together with a spectrum analyzer is indispensable. - Pink noise filter : -3 dB per octave (20.. www.hobbytron.com /vk4301.html   (415 words)

Ampcast.com: Escape From Noise Escape From Noise captures and features Ampcast's best artists performing vocal electronica. home >> music >> Electronic >> Escape From Noise Your host, David Vesel, hunts Ampcast from one end to the other to find electronic music with vox, in genres like electronic rock, electropop, darkwave, synthpop, New Wave, electronic body music, industrial, Europop, dance, trip hop, and anywhere else the music is synthetic and the voice is real. www.ampcast.com /music/artist.php?id=20326   (204 words)

Berkeley Design Automation THine Electronics Adopts Berkeley Design Automation’s PLL Noise Analyzer Berkeley Design Automation is an electronic design automation (EDA) company developing breakthrough technology to dramatically improve the design and verification of analog, radio-frequency (RF), and mixed-signal integrated circuits (ICs). PLL Noise Analyzer is proven to dramatically reduce the need for silicon respins due to noise, enabling circuit designers to reliably meet cost, performance, and schedule goals. www.berkeley-da.com   (132 words)

World Intellectual Property Organization The oscillator may be any electrically controlled oscillator, including an opto-electronic oscillator, When the oscillator is an opto- electronic oscillator, the opto-electronic unit of the noise suppression module can be coupled to an opto-electronic feedback loop in the oscillator. In RF or microwave oscillators, electronic components, such as a RF amplifier, often contribute to this phase noise in the carrier signal. The oscillator is configured to produce an oscillation signal at a carrier frequency and is responsive to an electrical control signal to change a characteristic of said oscillation signal, such as the phase noise. www.wipo.int /ipdl/IPDL-CIMAGES/view/pct/getbykey5?KEY=00/45213.010726&ELEMENT_SET=DECL   (132 words)

Electronic jamming system The transmission interval or period is initiated, for example, by an electronic switch S1, which is operated by a timer T to switch the filter channels from the detector to the noise generator NG, such noise generator delivering a uniform humming noise in the range from 25 to 45 megacycles. This invention relates to an electronic jamming system and is particularly concerned with a method of and apparatus for jamming wireless communication with the aid of a powerful jamming transmitter, for the purpose of impairing message transmission by an enemy over as large an operation range as possible. The jamming of wireless or radio communications poses particular difficulties when a channel is switched in only briefly, for radiating short messages with a duration of about one-tenth second, which is being done for the purpose of rendering difficult the detection of the involved transmitter and therewith the switching of a jamming transmitter. www.freepatentsonline.com /4103236.html   (132 words)

SBIR/STTR Interactive Topic Information System (SITIS) The impact of phase noise of the oscillator is particularly acute now that solid-state transmitters/receivers in phased array radars have improved dramatically over the years. Local oscillator phase noise performance is often the primary limitation in modern radar systems. PHASE I: Develop and demonstrate a breadboard frequency agile, tunable signal source with phase noise of -140 dBc/Hz at 10KHz offset from an X-band carrier, with greater than 1GHz continuous tuning bandwidth. www.dodsbir.net /Sitis/archives_display_topic.asp?Bookmark=19940   (132 words)

Electronic circuit schematic for capacitance meter, free on the Internet. The circuits are fortuitously highly immune to noise, because three capacitors function as noise filters- a reference capacitor, the capacitor being measured and a peak detector capacitor. One of the advantages is that the circuits are totally analog; so the resolution is limited only by noise. Since capacitors are not measured in-circuit, there are advantages in removing test leads which create clutter. nov55.com /cap/cap1.htm   (1921 words)

eoss : art of noise Using a recently bought analogue keyboard and a looping sampler, Jake recorded his "primitive" electronic music on his four-track recorder. That's what I was starting to realize, that's what was happening in electronic music, which is why I was starting to like it a lot." He was fascinated by how the electronic tools of creation in music could create living forms of sound. DJ C, performing tonight as Electro Organic Sound System, is lulling the evening to a close at the "Tricks and Beats" Halloween party, put on by Boston's leading advocates for the jungle/drum n bass scene: the Toneburst Collective. www.electroorganic.com /artnoise.html   (1921 words)

Search The Llewellyn Encyclopedia: Electronic Voice Phenomenon Electronic Voice Phenomenon: A spiritual voice that is recorded on tape or disk. The result is the recording of wideband noise (often called “white noise” or “pink noise”) which has within it ghostly voices that may be very clear. Although paranormal investigators may be able to reproduce EVP at sites of hauntings, amateur investigators have had great success in producing such recordings in graveyards. www.llewellynencyclopedia.com /term/Electronic+Voice+Phenomenon   (144 words)

Digital Camera Resource Page - Forums - View Single Post - new member The imager on dSLR's are larger in area and pixel size, typically called APS-C. This allows more light and better imaging sensitivity without adding noise at Higher ISO (relative film speed). This means that the gain (amplification) must be increased to give an acceptable dynamic range (light to dark range), which increases the signal-to-noise ratio (SNR), equaling more noise and less detail in the picture. Digital all-in-ones that are "dSLR-like", typically take good photos (in some cases as good as dSLR's at lower ISO) but you are looking through the lens via an electronic imager (EVF) which cannot match the clarity and speed of a good old fashioned mirror. www.dcresource.com /forums/showpost.php?p=2144&postcount=5   (466 words)

Per Hyldgaard at teaching The student projects on noise and electronic measurements, and corresponding projects on ultra-fast measurements, on frequency analysis, and on computer-guided experiments, define our experimental-physics electronics-measurement class Elmät-B organized by Per Hyldgaard. This spring, 2005, I teach second-year physics students at Chalmers experimental physics: noise in electronic measurements. January 17, 2005 at 8:00 Introduction lecture Noise in electronic measurements: concepts, challenges, and opportunities, GD-salen, Per Hyldgaard. fy.chalmers.se /~hyldgaar/Teaching/ElmaetB   (625 words)

Escape From Noise Escape From Noise features the best independent vocal electronica, including genres such as synthpop, electropop, futurepop, darkwave, electronic body music (EBM), electronic industrial, electronic avant garde, and vocal strains of techno, trance, jungle, and house. EFN airs live Saturday nights at 10 PM Eastern US time on Cygnus Radio (http://www.cygnusradio.com) and is then uploaded for podcast on Sundays. The gist of EFN is that if the music is synthetic and the voice is real, it's fair game. efn.purplenote.com /dircaster.php   (201 words)

Scotsman.com Living - Ghosts in the machine Williamson, a 47-year-old former cleaner, is a dedicated collector of "electronic voice phenomena", commonly known as EVP - the mysterious voices or voice-like sounds, often distorted amid other extraneous noise, which can crop up on tape recordings, broadcasts, even telephone answering machines. For his part, Niall Johnson, scriptwriter of White Noise, sees in EVP what he calls "a complex two-way relationship between the spiritual and the technological. Some believe these are communications from the afterlife, others that they are simply random noise from electromagnetic or other earthly sources, in which believers simply hear whatever they want to hear. news.scotsman.com /features.cfm?id=4082005   (1677 words)

WHITE NOISE Movie Review ‘White Noise’ is better than your average horror/thriller because it takes an intriguing slant on the genre, delving into a little known area where the living makes contact with the dead via EVP — electronic voice phenomenon, which makes a welcome change from the average slasher type horror movie. E.V.P. - Electronic Voice Phenomenon — is the process by which the dead, through sound and image, communicate with the living through the static and white noise of modern electronic devices. There are a few gory moments in ‘White Noise’ as well as plenty of suspenseful, tension riddled moments, including a hectic final scene. www.searchsa.com.au /Review/Movie_Review.asp?id=226   (1677 words)

Encyclopedia article on Amplifier [EncycloZine] The most common type of amplifier is the electronic amplifier, commonly used in radio and television transmitters and receivers, high-fidelity ("hi-fi") stereo equipment, microcomputers and other electronic digital equipment, and guitar and other instrument amplifiers. The critical component of an electronic amplifier is an active device, such as a vacuum tube or transistor, typically a bipolar junction transistor (BJT) but occasionally a metal oxide semiconductor field-effect transistor (MOSFET). The relationship of the input to the output--usually expressed as a function of the input frequency--is called the transfer function of the amplifier, and the magnitude of the transfer function is termed the gain. encyclozine.com /Amplifier   (303 words)

OEwaves - Events Thursday, May 8; 2:20 PM Title: Low Phase Noise and Spurious Level in Multi-Loop Opto-Electronic Oscillators Title: Opto-Electronic Oscillator with Improved Phase-Noise and Frequency Stability Title: Ultra-Low Phase Noise Opto-Electronic Oscillators at Tunable and Fixed Frequencies www.oewaves.com /news/events_2003.html   (303 words)

2002 Used Ford Explorer: DRIVING DYNAMICS The front discs have: larger rotors (305 millimeters compared with 286 mm) for reduced operating temperatures; new low-metallic-content, non-asbestos lining for reduced noise; stiffer calipers with added lining volume and swept area to provide more uniform brake pad loading for reduced noise and wear; and an optimized brake pad insulator for reduced brake noise. Explorer's antilock braking system with electronic brake force distribution will be offered from introduction. Explorer's four-wheel, three-channel antilock braking system (ABS) with electronic brake force distribution (EBD) is standard. www.car-buying-strategies.com /2002-Ford-Explorer-driving.html   (303 words)

design pcb prototyping Avocet Consulting Pty Ltd Electronic Engineering Micro Controller (64KB) Electronic circuit design (analog and digital), PCB design and prototyping, and software development. Services: Electronic Design - Circuit Design - PCB Design - Rapid PCB Prototyping Software Development - Windows Programming - Embedded Controllers - Video and Audio Systems Mechanical and Industrial... 2.0 Learn small-circuit design/PCB prototyping Learn how to control stepper motors, servos and LEDs for use in future projects Educate the BurningMan-attending public about Iridium flares and how to... designpcbprototyping.murkprototyping.com   (749 words)

Shot noise - Wikipedia, the free encyclopedia Shot noise is a type of noise that occurs when the finite number of particles that carry energy, such as electrons in an electronic circuit or photons in an optical device, gives rise to detectable statistical fluctuations in a measurement. Shot noise in electronic devices consists of random fluctuations of the electric current in an electrical conductor, which are caused by the fact that the current is carried by discrete charges (electrons). In quantum optics, shot noise is caused by the fluctations of detected photons, again therefore a consequence of discretisation (of the energy in the electromagnetic field in this case). www.wikipedia.org /wiki/Shot_noise   (490 words)

noise (physics) Electronic noise takes the form of unwanted signals generated in electronic circuits and in recording processes by stray electrical or magnetic fields, or by temperature variations. Noise is a recognized form of pollution, but is difficult to measure because the annoyance or discomfort caused varies between individuals. Loud noise is a major pollutant in towns and cities. www.tiscali.co.uk /reference/encyclopaedia/hutchinson/m0007894.html   (409 words)

Analog Devices: Analog Dialogue: Adaptively Cancelling Server Fan Noise The noise propagating down the duct is sampled by the upstream reference microphone and adaptively altered in the electronic feed-forward path to produce the anti-noise to minimize the acoustic energy at the downstream error microphone. One solution is to confine the propagation of much of the fan noise to a duct, and then use active noise control (ANC) to reduce the strength of the fan noise leaving the duct [1]. Noise from server cooling fans can be annoying, especially when the server is located near the user. www.analog.com /library/analogDialogue/archives/34-02/noise   (409 words)

COEO In an actively mode-locked laser, the pulse-to-pulse jitter is ultimately limited by the phase noise of the mode-locking microwave source (typically electronic frequency synthesizers). In this approach, the optical oscillator (mode-locked EDFL) and the microwave oscillator (OEO) are coupled through a common Mach-Zehnder (MZ) modulator as an integrated pulse generator, thus named coupled opto-electronic oscillator (COEO) [6]. The coupled device is capable to generating low jitter high speed optical pulses and, at the same time, producing ultra-low phase noise microwave signal at 10 Ghz and higher. horology.jpl.nasa.gov /quantum/coeo.html   (409 words)

Imaging On-Line Store Imager noise caused by thermal effects and/or clocking is ignored. A second limit is based on the noise caused by variation in the number of photons reaching each pixel. The one disadvantage of using an imager with small pixels is that the optics of such a short focal length camera requires very tight manufacturing tolerances. www.imaging.org /store/epub.cfm?abstrid=1638   (361 words)

FDI Online Design Guide In an active filter, for example, the noise spectrum in the stop-band is usually flat and low level, resulting largely from the output amplifier. For some filter applications it is desirable to preserve a transient waveform while removing higher frequency noise components from the signal. For active filters, the THD is usually specified in dBc (dB relative to the amplitude of the fundamental frequency component) and at a specific frequency and amplitude (ex. www.freqdev.com /guide/fullguide.html   (361 words)

robert henke signal to noise Signal To Noise I is the auto equivalent to Antarctica. But with all the great textured and cerebral experiments in sound that have be produced in the last few years, I¹d have to say that headphones most certainly were invented for electronic drone. It¹s hard to think that three tracks of electronic manipulation can sound so organic, but this album (which clocks in at a little over 50 minutes) paints landscapes so vividly that it¹s hard to believe you are not just listening to field recordings. www.monolake.de /signal_to_noise2.html   (455 words)

Hymen CD release 723 on other tracks, "giorni di malattia" and "carousel" for example, the healys take the beats and hazy basslines of rhythmic noise and fuse them with the synth lines of experimental electronic music to create a hybrid of the two. in contrast, tracks like "deadzone" and "diode diaries" are more in line with rhythmic noise artists pal or synapscape with their pounding beats, whooshing synths and vibrating basslines. on the face of it, the somatic responses sound is a fusion of rhythmic beats and experimental electronic influences but on closer inspection there is much more depth to their music. www.hymen-records.com /all/y723.html   (455 words)

Noise - Succeed in Physical Science To suppress sound noise, special acoustical materials can be used to reduce the noise and electronic devices can be used to actively cancel the noise to prevent it from entering the person's ears. Another form of noise is electronic noise that can interfere with electromagnetic communication. This noise can be irritating, as well as to inhibit listening to the radio or CD while on the highway. www.school-for-champions.com /science/noise.htm   (725 words)

EETimes.com - Siemens develops noise cancellation system for cars The electronic Active Noise Control system attaches to an air-intake manifold — a low-cost chunk of under-hood plastic — and turns it into a smart device capable of listening to and canceling out unwanted noises on a vehicle. The new system is believed to be the first electronic means of solving the problem of air induction noise, which has been a problem since auto makers changed to plastic intake manifolds during the late 1980s. The Active Noise Control system consists of a microphone, an electronics module, and a speaker mounted at a vehicle's air induction system. www.eetimes.com /story/industry/systems_and_software_news/OEG20001005S0030   (863 words)

Kenneth Atchley - electronic sound KENNETH ATCHLEY fashions sound ranging from pure-tone and noise hymns to distortion-studded, richly harmonic, electro-acoustic devotionals, installations, and assisted-performances. He also performs the assisted-installation "14251" and "Valhalla Chill" a five movement composition for laptop electronics and musique concrète. His current repetoire includes arrangements of "de Quincey Levitation." The various settings include solo electronic sets, electronics and vocals, and a selection of videos. www.katch.com   (172 words)

Attractors of a Randomly Forced Electronic Oscillator (ResearchIndex) Abstract: This paper examines an electronic oscillator forced by a pseudo-random noise signal. Attractors of a Randomly Forced Electronic Oscillator (ResearchIndex) We give evidence of the existence of one or more random attractors for the system depending on noise amplitude and system parameters. citeseer.ist.psu.edu /87683.html   (172 words)

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