Color phase - Factbites

Color phase - Factbites
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Topic: Color phase

Note: these results are not from the primary (high quality) database.

In the News (Thu 21 Aug 08)

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	Method and apparatus for improving the effects of color burst modifications to a video signal - US Patent 6516132
		In this embodiment, the PAL pulse is maintained in the unmodified portion, whereas the color subcarrier phase is disturbed by the modified color burst having a phase angle 180Â° away (opposite) from the average value of the swinging burst.
		In this embodiment, the PAL pulse is maintained in the unmodified portion, whereas the color subcarrier phase is disturbed by the modified color burst having a phase angle 180Â° away from the average value of the swinging burst.
		One of the advantages of having the advanced split color burst in the NTSC system is that the detection area of the color burst signal in a VCR tends to be closer to the trailing edge of horizontal sync than does the detection area of the color burst in a television receiver or monitor.
	www.patentstorm.us /patents/6516132.html

	Articles - NTSC
		The combination of the I and Q signals creates a single 3.579545 MHz signal, called the subcarrier, which varies in phase according to the color hue of the original scene being captured by a camera, and in amplitude according to the color saturation (purity) of the original scene.
		The colorburst consists of eight to ten cycles of the unmodulated (fixed phase and amplitude) subcarrier.
		For a TV or a display to recover color information from the varying phase and amplitude subcarrier just described, a constant phase reference 3.579545 MHz signal is needed.
	www.ezorange.com /articles/NTSC (2395 words)

	Cloud Overlap for 10 December, 2002
		MODIS false color phase image (with 1.64 µm reflectance mapped to green), 11 µm brightness temperature, and 1.38 µm reflectance.
		The second image is the overlap product overlaid on the false color phase image.
		MODIS false color phase image, 11 µm brightness temperature, and 1.38 µm reflectance.
	www.ssec.wisc.edu /~shaima/Overlap/d021210 (2395 words)

	Patent 4577216: Method and apparatus for modifying the color burst to prohibit videotape recording
		This color burst signal is used in the television receiver to phase-lock a crystal oscillator, thus generating a continuous subcarrier signal at the reference phase which is then used to demodulate the color information.
		Briefly, in accordance with one embodiment of the invention, the color burst signal is phase modulated with a noise signal to produce a modified signal.
		All that is necessary is to predict the color burst portion of the video signal and switch the switch 14 to path B during the duration of the color burst signal.
	www.freepatentsonline.com /4577216.html (2395 words)

	Patent 4054904: Video signal coding system
		Since the phase of the color burst signal relative to the horizontal synchronizing signal is inverted in every 1 H period, the period is chosen equal to 2 H to maintain the same phase.
		It is assumed that the phase relationship between the sampling pulses and the color burst signal of the analog video signal in the first digital video signal generator 10 is as shown in FIG.
		A burst signal separator circuit 45 separates the color burst signal from the synchronizing signal which is then supplied to a burst control oscillator (BCO) 46.
	www.freepatentsonline.com /4054904.html (2395 words)

	WHY IS WATER BLUE
		However, the changes are small enough that the color of water should not vary significantly with temperature between 0 and 50º C. e are not the first to call attention to the vibrational origin of water's blue color.
		Because the absorption which gives water its color is in the red end of the visible spectrum, one sees blue, the complementary color of red, when observing light that has passed through several meters of water.
		Their colors may originate from resonant interactions between photons and matter such as absorption, emission, and selective reflection or from non-resonant processes such as Rayleigh scattering, interference, diffraction, or refraction, but in each case, the photons interact primarily or exclusively with electrons.
	www.dartmouth.edu /~etrnsfer/water.htm (2106 words)

	CNN.com - True color of the cosmos revealed, pale green - January 10, 2002
		Glazebrook and Baldry joke about pitching t-shirts and coffee mugs emblazoned with "the true color of the universe." But their research stems from rather sober investigations into theories about the history and future of stars.
		The color composite was created during an analysis of different theories about star formation.
		"The color is quite close to the standard shade of pale turquoise," said Karl Glazebrook, who with colleague Ivan Baldry presented the findings to the American Astronomical Society this week.
	archives.cnn.com /2002/TECH/space/01/10/color.cosmos (435 words)

	CNN.com - True color of the cosmos revealed, pale green - January 10, 2002
		The color composite was created during an analysis of different theories about star formation.
		Glazebrook and Baldry joke about pitching t-shirts and coffee mugs emblazoned with "the true color of the universe." But their research stems from rather sober investigations into theories about the history and future of stars.
		Johns Hopkins University researchers converted the visible color wavelengths into a spectrum, much like sunlight when it breaks down into the colors of a rainbow.
	archives.cnn.com /2002/TECH/space/01/10/color.cosmos (435 words)

	Encyclopedia: PAL
		The name "Phase Alternating Line" describes the way that part of the colour information on the video signal is reversed in phase with each line, which automatically corrects phase errors in the transmission of the signal by canceling them out.
		Thus, most receivers use a delay line which stores the received color information on each line of display; an average of the color information of the current line and that of the previous line is then used to drive the picture tube.
		The PAL colour system is usually used with a video format that has 625 lines per frame and a refresh rate of 25 frames per second, interlaced, such as systems B, G, H, I, and N (see broadcast television systems for the technical details of each format).
	www.nationmaster.com /encyclopedia/PAL (435 words)

	A Chaotic Waterwheel
		Also visualizing trajectories in phase space (section 2 and 3) using proper ways of color-encoding is useful.
		The 3-dimensional visualization in phase space can give more detailed information that can not be provided by the 2-dimensional diagram as for instance visualizing a limit cycle (see section 3 for r=24.1).
		On the other hand visualizing for instance 500 trajectories for r=6.0 (see section 3) in 3-D phase space would not give anything else than a dense mesh of curves.
	www.cg.tuwien.ac.at /studentwork/VisSem97/Lorenz97/conclusion.html (156 words)

	Bay Area Video Coalition : Video Glossary
		PAL (phase alternate line): The European standard for color television transmission, calling for 625 lines of information, scanned at a rate of 25 frames per second (also see NTSC).
		NTSC color video standard: The US standard for color television transmission, calling for 525 lines of information, scanned at a rate of 30 frames per second.
		on-line editing: Final editing session, the stage of post-production in which the edited master tape is assembled from the original production footage, usually under the direction of an edit decision list (EDL).
	www.bavc.org /glossary.htm (156 words)

	Karen's home page at UCLA
		Correlation coefficient values are given by color and correspond to the color scale at the bottom of the figure: yellow corresponding to 0% correlation and light blue (as seen in the bordering ocean) corresponding to 0% correlation.
		A correlation coefficient of 0.6 was used to phase undwrap both images (i.e., only those phase values with 60% or more phase correlation wre phase unwrapped).
		The C-band phase coherence swath depicts the phase correlation between the C-band scenes taken on October 9 and 10.
	www.geog.ucla.edu /~frey/Figure3.html (156 words)

	Definition: color burst
		Note: The color burst (a) enables the color-decoding circuits in the receiver, and (b) serves as an amplitude, frequency, and phase reference to which the local color (subcarrier frequency) oscillator in the receiver is phase-locked to ensure color fidelity and stability in the displayed picture.
		color burst: In analog color television technology, a signal consisting of several (8 to 10 in NTSC) cycles of unmodulated color subcarrier, superimposed at a specified location within the composite signal.
		This HTML version of Telecom Glossary 2K was last generated on Wed May 8 15:36:48 MDT 2002.
	www.its.bldrdoc.gov /~bing/fs-1037d/_color_burst.html (156 words)

	Conventional Analog Television - An Introduction
		This is to reduce color errors that occur from amplitude and phase distortion of the color modulation sidebands during transmission.
		In order to synchronize this phase flipping, the color burst swings + and - 45 degrees about the axis.
		Color perceptions were measured by giving subjects various combinations of the three standard CIE primary colors (435.8 nm, 546.1 nm and 700 nm) and measuring their perceptions.
	www.ee.washington.edu /conselec/CE/kuhn/ntsc/95x4.htm (3782 words)

	The Frequency Response of Smooth Muscle Stiffness during Ca2+-Activated Contraction -- Shue and Brozovich 76 (5): 2361 -- Biophysical Journal
		The amplitude scales of the stiffness and phase spectrums are shown with the Terrain color table as indicated by the vertical color legends in (A) and (C).
		The stiffness and phase spectrums in the passive state are the averages of five consecutive trials and the data points with standard deviations larger than 0.03 N/m and 30° for stiffness and phase angle, respectively, were removed and interpolated.
		The stiffness and phase angle were smoothed by a 10-point binomial method and referenced to those of the passive state.
	www.biophysj.org /cgi/content/full/76/5/2361 (4718 words)

	Discussion: First Order Phase Transition
		He developed a picture of the hadronization dynamics for a first order phase transition: a QGP cylinder expands longitudinally, until, near transition, its color field assumes a longitudinal topology with strings and color flux tubes.
		In the case of bubbles in the QGP phase, the plasma deflagrates; otherwise, it detonates.
		Using a first order phase transition hydrodynamical model with a sharp front between the phases, Bilic et al.
	www.star.bnl.gov /~kopytin/thesis/node92.html (752 words)

	Three-phase electric power - Wikipedia, the free encyclopedia
		Conductors of a three phase system are usually identified by a color code, to allow for balanced loading and to assure the correct phase rotation for induction motors.
		The three phases are typically indicated by colors which vary by country.
		Where the stepdown is 3 phase, the output of this transformer is usually star connected with the standard mains voltage (120 V in North America and 230 V in Europe) being the phase-neutral voltage.
	en.wikipedia.org /wiki/Three-phase_electric_power (1612 words)

	Dogs’ Color Perception
		The testing phase will begin by using the water stimuli, which will consist of two bowls with identical concentrations of coloring, and one of a different concentration.
		Color deficiency in humans is the inability to perceive some of the colors in the normal spectrum of vision for humans (Goldstein, 2002).
		Although some animals are not capable of color perception (as found through scientific study), the ability to discriminate between colors serves an important function to those who are (Williams and Hogan, 1994).
	hubel.sfasu.edu /courseinfo/SL02/ma2dogcolor.htm (1612 words)

	Llewellyn's On-line Bookstore: 2004 Witchy Day Planner
		The Witchy Day Planner has everything the hip Witch needs to plan ahead: a sixteen-month calendar covers the entire school year, including important magical info like Moon signs and phases, planetary cycles, and daily color correspondences.
		Enter your e-mail address to be notified about sales and special offers.
		Plus dozens of rituals, spells, and articles by well-known Pagan writers to keep you informed about all things Witchy.
	www.llewellyn.com /bookstore/book.php?pn=J231 (1612 words)

	Patent 4663659: Video signal scrambling system employing full line reversal and double burst coding
		Since the phase of burst conveys the hue of the associated chrominance component of the video signal, the separate processing of the active video portion of a line can introduce undesirable color shifts which may be difficult to control or correct.
		burst inserter means coupled to said memory means for effectively adding a further color burst component to said scrambled output signal such that each line of said scrambled output signal includes a pair of color burst components.
		burst remover means, coupled to a selected point in said memory means, for removing a selected one of said color burst components from each line of said unscrambled video output signal.
	www.freepatentsonline.com /4663659.html (1612 words)

	Glossary
		The color burst is required for synchronizing the phase of 3.58 MHz oscillator in the television receiver for correct hues in the chrominance signal.
		The color burst is at 33 degrees relative to the Q signal.
		A color space (color component encoding format) used in decoding, in which Y is the luminance signal and I and Q are the chrominance signals.
	biology.ncsa.uiuc.edu /library/SGI_bookshelves/SGI_Admin/books/Combiner_UG/sgi_html/go01.html (1612 words)

	video test
		The I and Q are the color signals of the R-Y and B-Y components used in encoding R,G, and B signals into NTSC video and are used in checking their phase relationships to the other colors when setting up video signals.
		75.75 Color Bars (also known as 75% reduced amplitude bars with a 75% white reference) is a full field color bars test signal composed of a 75% gray bar (75% amplitude, 100% saturation) and 75% color bars (yellow, cyan, green, magenta, red, blue, and black).
		The reverse color patches are positioned directly below the color bars and are used in conjunction with the chroma and hue (tint) controls on color monitors.
	aelinik.free.fr /networking1.htm (1612 words)

	Seward Alaska Salmon Fishing, Alaska Salmon Fishing Deep Creek, Kenai River.
		Every year 200000 300000 king salmon smolt are released into Resurrection Bay at two sites to begin the saltwater phase of their life cycle.
		In the ocean, sockeye salmon feed on zoo-plankton, larva fish, small adult fish and, occasionally, squid in some areas, populations of sockeye salmon have developed which remain in freshwater all their lives.
		By fall, the juvenile salmon are 4 to 6 inches long and are moving into their feeding grounds in the Gulf of Alaska and Aleutian Islands areas.
	www.alaskasalmon-fishing.com (1612 words)

	Hair pigmentation melanin and hair color
		As we have seen, the color of hair is due to the presence in the cortex of granules of a pigment called melanin, which is formed in special pigment-producing cells (melanocytes) in the hair bulb during the growing phase (anagen) of each hair.
		color is perhaps the most obvious characteristic of hair, but as far as we know it has no biological function in humans.
		White hairs contain no melanin at all: their whiteness is an optical effect, due to the way they reflect the light.
	www.pg.com /science/haircare/hair_twh_59.htm (368 words)

	Apple - Logic Pro - Modulation Effects
		The modulation phase between the different voices is controllable, or random if desired, and you can change the stereo base, allowing the resulting output to match the needs of the mix.
		Then use the Color slider to add further intensity to the effect.
		Phase relationships of the modulation are independently controllable on each channel.
	www.apple.com /logic/modulationeffects.html (653 words)

	* Plateau - (Sexuality): Definition
		The second phase, known as the plateau, is characterized primarily by the intensification of all of the changes begun during the excitement phase.
		The erection of the penis is usually completed during excitement, and the only further changes in it may be an increase in the size and diameter of the corona l ridge of the penis head, and a deepening color of the organ.
		The Second Phase of Sexual Response Also known as the plateau, this phase is characterized primarily by the intensification of all of the changes begun during the excitement phase.
	en.mimi.hu /sexuality/plateau.html (653 words)

	Slightest Touch: What is the Pre-Orgasmic Plateau?
		Excitement Phase : This phase includes vaginal lubrication, a rise in sexual tension, color changes and expansion of the vaginal barrel.
		Resolution Phase : This phase includes the return of the vagina to its normal state and coloration.
		Plateau Phase : This phase includes a marked vasocongestive swelling in the outer one-third of the vagina, accompanied with a feeling of "fullness" or an "aching feeling," vaginal lubrication reaching its full potential, and sexual tension reaching a maximum level before the onset of orgasm.
	www.slightesttouch.com /pages/plateau.asp (653 words)

	Blue, Color Therapy, HolisticOnLine
		Blue is the color of intuition and the higher mental faculties.
		Blue is the color for meditation and spiritual expansion.
		Blue is the color for truth, devotion, calmness, and sincerity.
	www.holistic-online.com /Color/color_blue.htm (653 words)

	Tektronix MBD: Applications > NTSC Video Meas: Setting Up a Genlocked Studio
		Once the reference signal's color burst is positioned to 9 o'clock, do not touch the vectorscope's phase control again during the rest of the timing adjustments.
		The black burst signal used in genlocking is composed of the horizontal sync pulse, subcarrier color burst, and a 7.5 IRE black signal.
		The term black burst arises from the fact that the active picture portion of the signal is at 7.5 IRE (black) and it contains color burst.
	www.tek.com /Measurement/App_Notes/NTSC_Video_Msmt/genlock.html (653 words)

	parker
		To adjust the amplitude of the color burst, the ACC does synchronous detection by multiplying the color burst by the PLL output that is in phase with the color burst (the 0 deg.
		Since the color burst is present for about 4% of each horizontal line, the PLL usually operates open loop and these phases are subject to drift.
		After bandpass filtering, the chrominance is passed to an automatic- gain-control circuit (abbreviated ACC for Automatic Color Control), which uses a negative feedback loop to regulate the color burst (and thus the chrominance) at a fixed output amplitude over a wide range of possible input amplitudes.
	www.ece.ucdavis.edu /~lewis/parker (653 words)

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