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# Topic: Cycle per second

###### In the News (Tue 18 Jun 13)

 cycle - definition by dict.die.net The number of cycles (per second) is a measure of the frequency of an alternating current. An imaginary circle or orbit in the heavens; one of the celestial spheres. The use of the term "cycle" for a computer clock period can probably be traced back to the rotation of a generator generating alternating current though computers generally use a clock signal which is more like a square wave. dict.die.net /cycle   (707 words)

 Cycle per second - Wikipedia, the free encyclopedia Cycle per second was a once-common unit of frequency. Nonetheless, the change is not without its critics, who argue that the Hertz should be redefined as simply a renaming of the cycle/second it displaced, rather than as the reciprocal second. Since SI has adopted the radian as its preferred but dimensionless unit of angle, but left its explicit writing discretionary in unit combinations, the radian/second has perhaps a better claim than the cycle/second to being equivalent to the reciprocal second. en.wikipedia.org /wiki/Cycle_per_second   (192 words)

 Audio Glossary The higher the frequency (the more cycles per second), the higher in pitch a sound is to our ears. Hertz is a unit of frequency (of change in state or cycle in a sound wave, alternating current, or other cyclical waveform) of one cycle per second. In developing an audio sound for computers or telecommunication, the sample rate is the number of samples of a sound that are taken per second to represent the event digitally. facweb.cs.depaul.edu /sgrais/audio_glossary.htm   (721 words)

 Period of the Human Menstrual Cycle This is known as ovulation, and it does not occur until the second phase of the menstrual cycle. The cycle of the moon's phases, or synodic cycle, lasts 29.5 days from new moon to new moon.The period of the sidereal cycle of the moon, which is the time it takes for the moon to complete an orbit of the earth, is 27.3 days. The average of the period of the synodic and sidereal cycle is 28 days, which is the average period of the human menstrual cycle. hypertextbook.com /facts/2001/TiffanyEng.shtml   (776 words)

 Otto Cycle Thermodynamic Analysis where Q is the heat released per pound of fuel which depends on the fuel,f is the fuel/air ratio for combustion which depends on several factors associated with the design and temperature in the combustion chamber, and cv is the specific heat at constant volume. During the cycle, work is done on the gas by the piston between stages 2 and 3. The work times the rate of the cycle (cycles per second cps) is equal to the power P produced by the engine. www.grc.nasa.gov /WWW/K-12/airplane/ottoa.html   (804 words)

 Genetics & IVF Institute Second, if the patient is not successful in becoming pregnancy and delivering a child within twenty-four months 100% of the contract cost is refundable. This particular contract has the same qualification criteria as Pregnancy Guarantee™ and allows for the patient to up to three cycles if they do not deliver a child as result of the treatment in either the first or second cycle. Second, the contract provides for a conversion into GIVF's excellent donor egg program after the first or second cycle with the ability to apply the unused portion of the contract towards one of the options available to do donor egg. www.givf.com /financialprograms/multicyclepricing.cfm   (673 words)

 Automags.Org Online Forums - How many times can an autococker cycle per second? Cycle speed is different from shooting speed because the bolt has to be open long enough to drop a ball. Now, the default timing I was using equalled almost exactly ten complete cycles per second- meaning it took not quite 100ms to release the sear, wait, push the block back, wait, and bring the block forward. Theoretically, it worked, but it would cycle once so fast that there would be no time at all for the ball to feed. www.automags.org /forums/showthread.php?threadid=24945   (2789 words)

 [No title] Period is obtained by dividing one second by the number of cycles per second (frequency). For example: if the frequency is 1Mhz (one million cycles per second), the period will be one-millionth of a second (1 microsecond). Phase: This is the relationship of the lead or lag of an electromagnetic wave with respect to a reference frequency of the same wavelength. www.bambi.net /mikef/electromagnetic_waves.doc   (731 words)

 Define Hz - Hertz Meaning of Hz - "Hertz", is a unit of frequency (of change in state or cycle in a sound wave, alternating current, or other cyclical waveform) of one cycle per second. It replaces the earlier term of "cycle per second (cps)." For example, in the United States, common house electrical supply is at 60 hertz (meaning the current changes direction or polarity 120 times, or 60 cycles, a second). The SI unit of frequency, equal to one cycle per second. www.birds-eye.net /definition/h/hz-hertz.shtml   (543 words)

 Re: what are the physics principles in televisions that relate to waves? If you could do this steadily, through-and-back once per second, then you would naturally be generating waves at a frequency of one cycle per second. Visible light waves oscillate many trillions of times per second, and a major new way to communicate is to send laser beams through many miles of optical fiber. It is certainly easier to say "five hundred megahertz" than "five hundred megacycles per second", and considering how valuable we find the consequences of his initial detection of electromagnetic waves, the honor has been well earned. www.madsci.org /posts/archives/jun2000/960135604.Ph.r.html   (2634 words)

 Cycle - Wikipedia, the free encyclopedia (via CobWeb/3.1 planet03.csc.ncsu.edu)   (Site not responding. Last check: 2007-09-17) Citric acid cycle, Kreb's cycle, the Born Haber cycle or the Calvin cycle. The cycle is a unit of phase angle equivalent to one oscillation, or 2π radians. In astrophysics, the CNO cycle is a sequence of nuclear reactions whose net effect is fusion. en.wikipedia.org.cob-web.org:8888 /wiki/Cycle   (497 words)

 Masonry Advisory Council Masonry Technical Library brick Frequency is a measure of the number of vibrations or cycles per second (cps). One cycle per second is defined as a hertz (HZ). For human voices speaking in conversational tones, a frequency of approximately 500 cycles is assumed. www.maconline.org /tech/materials/sswalls2   (426 words)

 Alternating Current in Wire and Cable - Introduction   (Site not responding. Last check: 2007-09-17) Frequency - The image above is considered 1 Cycle, and assuming that the wave ends on the time axis at 1 second, this current would be said to be flowing through wire and cable at one cycle per second. This means that as the current is flowing through a copper wire and cable, it is going through this cycle 60 times every second - too fast to be observed by the human eye. If there were a 1 cycle per second alternating current flowing through the copper wires in your home, you would notice light bulbs going to full brightness, then going off once every second. www.ces-k.com /wire-info-3.php   (396 words)

 CS373 GURUS, SDS version 1.0 For an oscillating or varying current, frequency is the number of complete cycles per second in alternating current direction. If a current completes one cycle per second, then the frequency is 1 Hz; 60 cycles per second equals 60 Hz (the standard alternating-current utility frequency). Hz (hertz) is a unit of electromagnetic frequency (of change in state or cycle in alternating current) of one cycle per second. www.cs.utexas.edu /users/s2s/latest/music1/archive/SDS-10-2-v1-0.html   (617 words)

 cycle- WordWeb dictionary definition The unit of frequency; one hertz has a periodic interval of one second "a year constitutes a cycle of the seasons" Part of: kc, kHz, kilocycle, kilocycle per second, kilohertz www.wordwebonline.com /en/CYCLE   (108 words)

 sampling rate bitrate Sampling Rate is simply a measure of the frequency with which the signal is stored expressed as the number of samples per second. Odds are you're framerate (frames per second or fps) will be low, let's say 15 fps. Unfortunately, bitrate is much more difficult to visualize/explain since you're really measuring bits per second and not cycles or samples per second as we are with sampling rate. home.insightbb.com /~encodingheaven/audio/info/info5.htm   (418 words)

 [No title] (Cycles per second is a common set of units while physicists almost always use the units of 'hertz' (Hz) for a cycle per second. Or a hamster with a respiration rate of 20 breaths per minute has a period of 0.05 minutes per breath which is 3 seconds per breath. For example we can say the amplitude a human temperature rhythm that cycles from 98.9°F to 97.9°F in a day is 1.1°F. Damping: 'Weak' oscillators may have a decreased amplitude from one cycle to the next (although the period usually remains the same) and may eventually completely stop cycling. www.mrs.umn.edu /~goochv/BiolRhyt/03CharacteristicsBiolRhythms.doc   (2874 words)

 Cingular Wireless   (Site not responding. Last check: 2007-09-17) The amount of loss per handset is called the handset subsidy. A unit of measurement of one cycle per second when one radio wave passes one point in one second of time. One kilohertz (1 kHz) is one thousand cycles per second; one megahertz (1 MHz) is one million cycles per second; and one gigahertz (1 GHz) is one billion cycles per second. www.cingular.com /customer_service/glossary_terms/0,9041,H,00.html   (272 words)

 Sharper Programs - Clinically Proven for ADD, ADHD, and other cognitive impairments. When the brain is hooked up to an electroencephalograph (EEG), the frequency and intensity (or amplitude) of the nerve impulses are recorded as peaks and valleys on a strip chart: brainwaves. Different activities and thought processes manifest electrical impulses of characteristic frequency, measured per second: this unit of frequency is called a Hertz (Hz). One impulse cycle per second equals 1 Hz. www.sharperprograms.com /brain_waves.html   (307 words)

 [mkiv] Injector Duty Cycle Monitoring (ODBII) All the multimeters I've used have a built in capacitor on the voltmeter part. 50% duty cycle on my E Manage's injector driver (which IS a square wave) shows up as 6v, 100% shows up as 12v, etc. Grant ----- Original Message ----- From: "Dan" a 50% > duty cycle means that for that one cycle (one second) 50% of the time > the voltage level is high, the other 50% it's low. www.mkiv.com /pipermail/mkiv/Week-of-Mon-20030421/020456.html   (638 words)

 [No title] It must be concluded from those that the Planck Constant is fundamentally irrelevant to the uncertainty relationship, even if those in the past are accustomed to believing that h appears to determine the amount of uncertainty. It is the energy to accelerate or decelerate an electron one of its diameters per second as an example. Then if this smaller number of cycles was stretched out to those in that length Lc and the energy divided up in these added cycles, then each will have one h in it. web2.airmail.net /nptbs/doc/Planck.doc   (1743 words)

 Frequency - Wikipedia, the free encyclopedia (via CobWeb/3.1 planet03.csc.ncsu.edu)   (Site not responding. Last check: 2007-09-17) Frequency is the measurement of the number of times that a repeated event occurs per unit of time. This unit was originally called a cycle per second (cps), which is still used sometimes. Other units that are used to measure frequency include revolutions per minute (rpm) and radians per second (rad/s). en.wikipedia.org.cob-web.org:8888 /wiki/Frequencies   (610 words)

 Frequency It is usually expressed as cycles per second or hertz (1 Hz = 1 cycle per second). is the length of time for a single cycle to occur, and it is simply the reciprocal of f. The vibrating molecules that transmit the acoustic signals do not, on the average.change their positions but merely move back and forth under the influence of the transmitted waves. uhaweb.hartford.edu /biomed/gateway/Frequency.html   (506 words)

 The Pefect Vision: Glossary of A/V Terms   (Site not responding. Last check: 2007-09-17) frame rate The rate at which frames are displayed, expressed in frames per second (fps). Measured in hertz (Hz), or cycles per second. An audio signal with a frequency of 1000Hz (1kHz) undergoes1000 cycles per second. www.theperfectvision.com /articles/glossary/f.html   (360 words)

 FAQ's on Laser Light Therapy Treatment, Phototherapy Products and Low Power Laser Therapy That is, the LED pulse is "on" for 0.5 seconds and "off" for 0.5 seconds versus the 2 ten-millionths of a second burst from laser at 1 cycle per second (1hz). Moreover, LED is "on" 50% of the time and "off" 50% of the time regardless of what frequency setting (pulses per second) is used. Even in the case of lasers that claim a peak output of 10 watts, because of the very short duty cycle, the average output at the highest frequencies is of the order of about 10 milliwatts. www.omnilightled.com /faq.asp   (1561 words)

 [mkiv] Injector Duty Cycle Monitoring (ODBII) > > say the freqeuncy of the wave is 1Hz or one cycle > per second. a 50% > > duty cycle means that for that one cycle (one > second) 50% of the time > > the voltage level is high, the other 50% it's low. it may take a few cycles before the voltage > level accurately > > reflects the pwm signal. www.mkiv.com /pipermail/mkiv/Week-of-Mon-20030421/020450.html   (732 words)

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