Help


[permalink] [id link]
+
Page "Digital Enhanced Cordless Telecommunications" ¶ 33
from Wikipedia
Edit
Promote Demote Fragment Fix

Some Related Sentences

Frequency and Europe
Frequency management for Europe is driven by a number of organisations.
The largest array, LOFAR ( the ' LOw Frequency ARray '), is currently being constructed in western Europe, consisting of about 20 000 small antennas in 48 stations distributed over an area several hundreds of kilometres in diameter, and operates between 1. 25 and 30 m wavelengths.
That transition canceled the SFN ( Single Frequency Network ) with the Stuttgart region ( New frequencies will be in place on Nov. 11th, 2008, due to a new TV master plan for Europe ).
Frequency is the change in direction of the current flow in an AC ( altranative current ). In US and many other countries grid frequency is 60 Hz. In India and Europe and many other countries it is 50 Hz ( cycles per second ).

Frequency and Japan
" Perceptual Discrimination between Musical Sounds with and without Very High Frequency Components ", NHK Laboratories Note No. 486, NHK ( Japan Broadcasting Corporation ).
* Japan Frequency Assignment Plan 2008
is the designation of a back-to-back high-voltage direct current ( HVDC ) facility in Japan and the location of the Shin Shinano Frequency Converter Station.
Frequency of AC power supply is 50 Hz in Eastern Japan and 60 Hz in Western Japan.

Frequency and Latin
These included the Times ( news ), SportsTown ( sports ), Generation ñ ( Latin ), Ocean Drive ( lifestyle ; based on the magazine ), Ten's ( lifestyle ) on sister station KSTR-TV in Irving, Texas from late 1999-2001, Barcode ( dj / dance show ), Kenneth's Frequency ( alternative lifestyles ), and " Out Loud " ( talk show ) hosted by Bill Teck and produced by Miami producer and media personality Paul Bouche.
Since 2003 he became a Research Affiliate at MIT, first at the RFID-Lab, developing project in Latin America with Radio Frequency Identification Technology in Supply Chain Management.

Frequency and America
Frequency modulation radio originated in the United States of America during the 1930s ; the system was developed by the American electrical engineer Edwin H. Armstrong.
It is the original High Frequency Chest Wall Oscillation Device by Advanced Respiratory, Inc ( ARI ), formerly American Biosystems, Inc., in Saint Paul, Minnesota, United States of America.

Frequency and US
Avant garde composer George Antheil and Golden Age actress Hedy Lamarr were granted US Patent 2, 292, 387 on August 11, 1942 for their Secret Communication System that details an early version of Frequency Hopping.
Frequency assignments between US and Canadian users are closely coordinated since much of the Canadian population is within VHF radio range of the US border.
* US Frequency Allocation Chart-Covering the range 3 kHz to 300 GHz ( from Department of Commerce )
In 1998 Mitel acquired GEC-Plessey Semiconductor in the UK from the General Electric Company plc for US $ 225 million in cash, through which it gained significant wireless technology and communications ASIC and systems integration expertise, including a leading position in RF ( Radio Frequency ) technology.
The US Navy's system is called Submarine Satellite Information Exchange Sub-System ( SSIXS ), a component of the Navy Ultra High Frequency Satellite Communications System ( UHF SATCOM ).
* Extremely Low Frequency Transmitter Site Clam Lake, Wisconsin, a " Fact File " published by the US Navy ( PDF File )
It surpassed other candidate vocoders in the US DoD competition, including: ( a ) Frequency Selective Harmonic Coder ( FSHC ), ( b ) Advanced Multi-Band Excitation ( AMBE ), ( c ) Enhanced Multiband Excitation ( EMBE ), ( d ) Sinusoid Transform Coder ( STC ), and ( e ) Subband LPC Coder ( SBC ).
One idea is to deliberately broadcast RF energy to power remote devices: This is now commonplace in passive Radio Frequency Identification ( RFID ) systems, but the Safety and US Federal Communications Commission ( and equivalent bodies worldwide ) limit the maximum power that can be transmitted this way to civilian use.

Frequency and Canada
* Canadian Table of Frequency Allocations ( from Industry Canada )

Frequency and products
RFD-Recency, Frequency, Duration is a modified version of RFM analysis that can be used to analyze consumer behavior of viewership / readership / surfing oriented business products.
Early products included the model 375 high frequency driver and the 075 UHF ( Ultra High Frequency ) ring radiator driver.

Frequency and may
High Frequency Internet Protocol or HFIP may be used with ALE for internet access via HF.
There are may iteration of the answer but the most common by me over the years was that the abbreviations for Superframe ( SF ) was in conflict with the sill commonly used technology of the day, Single Frequency Signaling ( SF Signaling ).
Frequency of a precipitation threshold of interest may be determined from the number of measurements exceeding that threshold value within the total time period for which observations are available.
Frequency and timing of spawning may be related to the occurrence of rain.
* LFO-A Low Frequency Oscillator may or may not be voltage-controlled.
Frequency of glands may vary more smoothly between regions than is diagrammed here.
A GMDSS system may include High Frequency ( HF ) radiotelephone and radiotelex ( narrow-band direct printing ) equipment, with calls initiated by digital selective calling ( DSC ).
Frequency display dials may either be analog ( typically marked to fine increments for accuracy ) or digital.
Frequency agility (' frequency hopping ') may be used to rapidly switch the frequency of the transmitted energy, and receiving only that frequency during the receiving time window.
Frequency may also refer to:
Frequency converter may also refer to a much-lower-powered circuit that converts radio frequency signals at one frequency to another frequency.
* Steam aperture width – Frequency may rise as steam aperture width declines and the slope of the frequency / pressure curve may vary with aperture width.
The blower may operate at a single speed, offer a variety of set speeds, or be driven by a Variable Frequency Drive to allow a wide range of air flow rates.

Frequency and be
Frequency modulation can be classified as narrowband if the change in the carrier frequency is about the same as the signal frequency, or as wideband if the change in the carrier frequency is much higher ( modulation index > 1 ) than the signal frequency.
During this time Very Low Frequency ( 3 – 30 kHz ) signals will be reflected by the D layer instead of the E layer, where the increased atmospheric density will usually increase the absorption of the wave and thus dampen it.
The Pelvic Pain Urgency / Frequency ( PUF ) Patient Survey, created by C. Lowell Parsons, is a short questionnaire that will help physicians identify if pelvic pain could be coming from the bladder.
Use ( USE ) and Used For ( UF ) indicators are used when an authorized term is to be used for another, unauthorized, term ; for example, the entry for the authorized term " Frequency " could have the indicator " UF Pitch ".
Frequency of optimum transmission, in the transmission of radio waves via ionospheric reflection, is the highest effective ( i. e. working ) frequency that is predicted to be usable for a specified path and time for 90 % of the days of the month.
* In a radar, a waveguide transfers Radio Frequency energy to and from the antenna, where the impedance needs to be matched for efficient power transmission ( see below ).
This selection of characteristic length can be used to present a distinction between Strouhal number and Reduced Frequency.
Frequency analysis can still be undertaken, but on the 600 possible digraphs rather than the 26 possible monographs.
The result of these two factors is that the usable spectrum shifts towards the lower frequencies and into the Medium Frequency ( MF ) range during winter nights, while on a day in full summer the higher frequencies tend to be more usable, often into the lower VHF range.
This allowed Virgin's VHF ( Very High Frequency ) timetable to be progressively introduced through early 2009, the highlights of which are a three-trains-per-hour service to both Birmingham and Manchester during off-peak periods, and nearly all Anglo-Scottish timings brought under the 4 hours 30 minutes barrier — with one service ( calling only at Preston ) achieving a London-Glasgow time of 4 hours 08 minutes.
In Frequency Modulation ( FM ), the processing gain can be expressed as:
Traditionally the waste management industry has been slow to adopt new technologies such as RFID ( Radio Frequency Identification ) tags, GPS and integrated software packages which enable better quality data to be collected without the use of estimation or manual data entry.
Frequency can be measured with very high sensitivity and thus the frequency modulation mode allows for the use of very stiff cantilevers.
( Movie and DVD soundtracks can be mixed down to four or more tracks, as needed, the most common being five tracks, with an additional Low Frequency Effects track, hence the " 5. 1 " surround sound most commonly available on DVDs.
Frequency of an AM carrier can be accurately determined with a phase-locked loop, but for SSB, the only solution is to construct a highly stable oscillator.
By selective treatment of weld transitions with the High Frequency Impact Treatment method, the durability of many designs can be increased significantly.
When used in a PLL application, lock can be achieved even when it is off frequency and is known as a Phase Frequency Detector.
* Frequency multiply ( can be set to 1 / 2, 1 to 10, 12 or 15 )

0.865 seconds.