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Topic: Modulation factor


  
  Jaxon modulation - Wikipedia, the free encyclopedia
Jaxon modulation is a modulation system for placing information on a bitstream generated by a finite generator.
But such a stream which holds the modulated information can not be made by a finite generator.
A three to one bit state bias would allow modulation of information onto the stream at 3/16ths of the stream's bit rate.
en.wikipedia.org /wiki/Jaxon_modulation   (211 words)

  
 [No title]
PI3-kinase is involved in the modulation of cell shape and in mitogenesis, in part, whereas PLC-\gamma 1 is responsible for mitogenesis, but is not involved in cell shape change.} \methods \subsection{Cell Cultures} \p{Isolation and establishment in culture of rabbit CECs were performed as previously described [5].
The staining profiles of \alpha-actinin and smooth muscle \alpha-actin in the fibroblastic modulated cells were similar to those of polygonal normal cells or cells that were reversed to a polygonal shape by the inhibitors.
Corneal endothelial modulation: a factor released by leukocytes induces basic fibroblast growth factor that modulates cell shape and collagen.
www.molvis.org /molvis/v4/v4a22-kay.hsm   (3658 words)

  
 Transmitter -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-08)
The modulator is the device which piggybacks (or modulates) the signal information onto the (A rack attached to a vehicle; for carrying luggage or skis or the like) carrier (The number of occurrences within a given time period (usually 1 second)) frequency, which is then broadcast.
Further also the modulation factor, the operating voltage, becomes which supervises transmitter frequency and further operating parameters.
For other aerial types there are gain factors, which can reach values until 50 for shortwave directional beams in the direction of maximum beam intensity.
www.absoluteastronomy.com /encyclopedia/t/tr/transmitter.htm   (1996 words)

  
 Immune Modulation & Transfer Factor Testimonies!
All were started on transfer factor as a means to boost their immune system and hopefully keep them healthier.
I chose to use transfer factor instead of the antibiotic and had tremendous and rather astoundingly quick results in the matter of a few days where I could see that he was very well clearing up.
She had an asthma attack come on; she'd never used transfer factor but she was breast fed so I wasn't afraid that she would have any problem with this product, and within two days her asthma was gone.
allimmunesystemnutrition.com /testimonial_center/immunemodulation.html   (3440 words)

  
 Modulation of factor VII levels by intron 7 polymorphisms: population and in vitro studies -- Pinotti et al. 95 (11): ...
Modulation of factor VII levels by intron 7 polymorphisms: population and in vitro studies -- Pinotti et al.
Factor VII Arg/Gln353 polymorphism determines factor VII coagulant activity in patients with myocardial infarction (MI) and control subjects in Belfast and in France but is not a strong indicator of MI risk in the ECTIM study.
Factor VII coagulant activity and antigen levels in healthy men are determined by interaction between factor VII genotype and plasma triglyceride concentration.
www.bloodjournal.org /cgi/content/full/95/11/3423   (4429 words)

  
 Analysis of an AM wave
This condition is known as 100-percent modulation and the maximum modulated rf voltage is twice the carrier voltage.
To illustrate this use of the equation, assume that a carrier wave with a peak amplitude of 400 volts is modulated by a 3-kilohertz sine wave with a peak amplitude of 200 volts.
This method is useful when the percent of modulation is to be determined using the pattern on the screen of an oscilloscope.
www.tpub.com /neets/book12/48l.htm   (881 words)

  
 NextNet Wireless NLOS Broadband Wireless Solutions:News and Events   (Site not responding. Last check: 2007-10-08)
This section describes factors that can impact these considerations, and how these factors can be optimized to allow a service provider to compete with other high-speed access providers.
Two factors impact the total cost of the installed CPE: the cost of the CPE hardware, and the cost of installing it.
An efficiency factor is bits/sec/Hz/area relative to the QPSK modulation.
www.nextnetwireless.com /whitepaper_overcoming.asp   (1821 words)

  
 Activities of Glucose Metabolic Enzymes in Human Preantral Follicles: In Vitro Modulation by Follicle-Stimulating ...
Follicles were incubated for 24 h in the presence or absence of gonadotropins or growth factors, and the enzyme activity was determined in the cytosol.
Epidermal growth factor stimulates the phosphorylation of pyruvate kinase in freshly isolated rat hepatocytes.
Epidermal growth factor and transforming growth factor-ß modulation of follicle-stimulating hormone-induced deoxyribonucleic acid synthesis in hamster preantral and early antral follicles.
www.biolreprod.org /cgi/content/full/60/3/763   (3983 words)

  
 Articles - Transmitter   (Site not responding. Last check: 2007-10-08)
The modulator is the device which piggybacks (or modulates) the signal information onto the carrier frequency, which is then broadcast.
The information to be transmitted is then added by modulation of the frequency, amplitude or phase of the carrier.
Further, the operating voltages, modulation factor, frequency and other transmitter parameters are monitored for protection and diagnostic purposes.
www.zgrey.com /articles/Transmitter   (1667 words)

  
 Kay, Mol Vis 1998; 4:22.
FGF-2, a member of the fibroblast growth factor family, is a multifunctional regulator of cell development, differentiation, regeneration, senescence, proliferation, and migration [8-10].
PI3-kinase is involved in the modulation of cell shape and in mitogenesis, in part, whereas PLC-[gamma]1 is responsible for mitogenesis, but is not involved in cell shape change.
Modulated CECs were prepared by treating the cells with FGF-2 (10 ng/ml) and heparin (10 µg/ml): the duration of the treatment of cells with FGF-2 varied in experiments.
www.molvis.org /molvis/v4/p22   (3774 words)

  
 Leader 3215 140-MHz AM/FM Synthesized
AM modulation (0-60.0%) or FM deviation (0-99.9 kHz) are available internally at 400 Hz and 1 kHz as well as externally.
The maximum deviation for FM is 99.9 kHz and the maximum modulation factor for AM is 60.0%.
AM/FM modulation can be set by internal 400 Hz or 1 kHz frequencies or external modulation from 20 Hz to 100 kHz for FM and 20 Hz to 10 kHz for AM.
www.tequipment.net /Leader3215.asp   (398 words)

  
 Modulation of mRNA Stability Participates in Stationary-Phase-Specific Expression of Ribosome Modulation Factor -- Aiso ...
Modulation of mRNA Stability Participates in Stationary-Phase-Specific Expression of Ribosome Modulation Factor -- Aiso et al.
Modulation of mRNA Stability Participates in Stationary-Phase-Specific Expression of Ribosome Modulation Factor
The expression of ribosome modulation factor (RMF) is induced
jb.asm.org /cgi/content/abstract/187/6/1951?etoc   (297 words)

  
 EMR MPE standards compliance evaluation tool usage notes
The Modulation Factor is a factor for calculating the average power of a modulated signal given the PEP.
Measuring the PEP for some modulation types is a bit tricky, since you need a peak detecting wattmeter or an oscilloscope that is calibrated at the frequency of interest.
More recently, I calculated the factor using a table taken from a cryptanalysis text of frequency of occurrence of the alphabet in plain English text, and the Morse Code encoding of those characters, and obtained a figure of 46% (rounded), so I have used 46% as the modulation factor for Morse.
www.vk1od.net /tl/emrcch.htm   (2113 words)

  
 Corticotropin-releasing factor modulation of serotonin release: Neurochemical and behavioral studies in the rat
Corticotropin-releasing factor modulation of serotonin release: Neurochemical and behavioral studies in the rat
In the second set of studies the functional significance of CRF regulation of 5-HT release was examined using forced swimming as an environmental and psychological stressor.
It was determined that endogenous CRF modulates 5-HT release during forced swimming and that CRF is responsible for the desensitized response of the 5-HT system following forced swimming.
repository.upenn.edu /dissertations/AAI9989641   (326 words)

  
 The National Center for Voice and Speech - Tutorials
In the latter case, the carrier frequency has a amplitude of zero, which is a violation of amplitude modulation.
In most cases, the amplitude modulation factor is below 50 percent.
The method for determining the frequency modulation (FM) factor is quite similar to that of determining amplitude modulation.
ncvs.org /ncvs/tutorials/voiceprod/equation/chapter11   (921 words)

  
 Role of nerve growth factor in modulation of gastric afferent neurons in the rat -- Bielefeldt et al. 284 (3): 499 -- ...
Role of nerve growth factor in modulation of gastric afferent neurons in the rat -- Bielefeldt et al.
Role of nerve growth factor in modulation of gastric afferent neurons in the rat
Ileitis modulates potassium and sodium currents in guinea pig dorsal root ganglia sensory neurons
ajpgi.physiology.org /cgi/content/abstract/284/3/G499   (402 words)

  
 Instrument Performance and Sensitivity
is the modulation factor, r is the source counting rate, and b is the background counting rate.
The modulation factor for is the modulation in the rate for 100% linearly polarized X-rays in the absence of background.
The modulation factor, mu, varies from 0.77 at 6keV to 0.71 at 20keV.
hea-www.harvard.edu /SXG/obsguide/node56.html   (318 words)

  
 Role of nerve growth factor in modulation of gastric afferent neurons in the rat -- Bielefeldt et al. 284 (3): 499 -- ...
Sensitisation of visceral afferents by nerve growth factor in the adult rat.
Nerve growth factor and its high-affinity receptor in chronic pancreatitis.
Nerve growth factor acutely sensitizes the response of adult rat sensory neurons to capsaicin.
ajpgi.physiology.org /cgi/content/full/284/3/G499   (4963 words)

  
 Morrissey Lab
Activation of factor VII during alimentary lipaemia occurs in healthy adults and patients with congenital factor XII or factor XI deficiency, but not in patients with factor IX deficiency.
Factor VIIa/tissue factor generates a form of factor V with unchanged specific activity, resistance to activation by thrombin and increased sensitivity to activated protein C. Biochemistry 38:1829-1837, 1999.
The influence exerted by a restricted phospholipid microenvironment on the expression of tissue factor activity at the cell plasma membrane surface.
tf7.org /pubsthree.htm   (1512 words)

  
 The Modulation of Tissue Factor by Endothelial Cells during Heat Shock -- Basi et al. 278 (13): 11065 -- Journal of ...   (Site not responding. Last check: 2007-10-08)
The Modulation of Tissue Factor by Endothelial Cells during Heat Shock -- Basi et al.
Tissue factor (TF) initiates the extrinsic coagulation cascade on the surface of macrophages and endothelial cells.
A, a representative two-stage clotting assay demonstrates a severe reduction in surface TF activity by heat-shocked, LPS-stimulated HUVECs assessed by colorimetric cleavage of a factor Xa-specific substrate.
www.jbc.org /cgi/content/full/278/13/11065   (3791 words)

  
 Growth Factor Modulation of Substrate-Specific Morphological Patterns in Aplysia Bag Cell Neurons -- Gruenbaum and ...
One of the morphological changes we observed was the differential modulation of soma diameter by specific substrates.
Davies, A.M. Neurotrophins: The yin and yang of nerve growth factor.
Neurite regeneration by Aplysia neurons in dissociated cell culture: Modulation by Aplysia hemolymph and the presence of the initial axonal segment.
www.learnmem.org /cgi/content/full/6/3/292   (6342 words)

  
 Knowledge Base Results   (Site not responding. Last check: 2007-10-08)
Any function of time can be used for the pulse (Double-Exponential, etc...), and any function of Z can be used for the modulation factor (typically, an exponential is used).
The problem is that the leakage currents generated at low frequencies are very large, no matter what the modulation factor function is chosen to be.
The precise form of the energization to be used for a conductor whose origin is at Z (at angular frequency Omega) is exp(-Z(1/Lambda - j Omega / v)), assuming an exponential form for the modulation factor.
www.sestech.org /q_a/detail.asp?ID=293   (241 words)

  
 rmf -   (Site not responding. Last check: 2007-10-08)
Ribosome modulation factor: stationary growth phase-specific inhibitor of ribosome functions from Escherichia coli.
Structure and probable genetic location of a " ribosome modulation factor" associated with 100S ribosomes in stationary-phase Escherichia coli cells.
Involvement of ppGpp, ribosome modulation factor, and stationary phase-specific sigma factor sigma(S) in the decrease in cell viability caused by spermidine.
www.pdg.cnb.uam.es /UniPub/iHOP/gi/168681.html   (278 words)

  
 Modulation of Growth Factor/Cytokine Synthesis and Signaling by 1{alpha},25-Dihydroxyvitamin D3: Implications in Cell ...
Modulation of Growth Factor/Cytokine Synthesis and Signaling by 1{alpha},25-Dihydroxyvitamin D3: Implications in Cell Growth and Differentiation -- Gurlek et al.
Modulation of Growth Factor/Cytokine Synthesis and Signaling by 1
factor may be operative in its beneficial effects in skin atrophy
edrv.endojournals.org /cgi/content/abstract/23/6/763   (437 words)

  
 Modulation of Transforming Growth Factor beta  Receptor Levels on Microvascular Endothelial Cells during In Vitro ...
Modulation of Transforming Growth Factor beta  Receptor Levels on Microvascular Endothelial Cells during In Vitro Angiogenesis -- Sankar et al.
Prinz (1991) The effects of soluble factors and extracellular matrix components on vascular cell behaviour in vitro and in vivo: models of de-endothelialization and repair.
Perlmutter, and J.A. Madri (1994) Modulation of PDGF receptor expression in microvascular endothelial cells during in vitro angiogenesis.
www.jci.org /cgi/content/full/97/6/1436   (7030 words)

  
 Heparin-Binding EGF-Like Growth Factor Modulation by Antiprogestin and CG in the Baboon (Papio anubis) -- Leach et al. ...
Heparin-Binding EGF-Like Growth Factor Modulation by Antiprogestin and CG in the Baboon (Papio anubis) -- Leach et al.
Heparin-Binding EGF-Like Growth Factor Modulation by Antiprogestin and CG in the Baboon (Papio anubis)
The Mitogenic Potential of Heparin-Binding Epidermal Growth Factor in the Human Endometrium Is Mediated by the Epidermal Growth Factor Receptor and Is Modulated by Tumor Necrosis Factor-{alpha}
jcem.endojournals.org /cgi/content/abstract/86/9/4520   (476 words)

  
 Brain-Derived Neurotrophic Factor Modulation of GABAergic Synapses by Postsynaptic Regulation of Chloride Transport -- ...
Modulation factor is defined as the ratio between the mean PSC amplitude observed 15-30 min after the onset of BDNF application and the mean PSC amplitude during the control period.
Modulation factor defined as the ratio between the mean transmitter-induced current amplitude 10-20 min after BDNF application and that during the last 10 min of the control period.
Loeb JA, Hmadcha A, Fischbach GD, Land SJ, Zakarian VL (2002) Neuregulin expression at neuromuscular synapses is modulated by synaptic activity and neurotrophic factors.
www.jneurosci.org /cgi/content/full/23/25/8722   (6384 words)

  
 Modulation factor - Encyclopedia, History, Geography and Biography   (Site not responding. Last check: 2007-10-08)
Modulation factor - Encyclopedia, History, Geography and Biography
This page was last modified 21:54, 28 Jan 2004.
This encyclopedia, history, geography and biography article about Modulation factor contains research on
www.arikah.net /encyclopedia/Modulation_factor   (110 words)

  
 PERCENT OF MODULATION IN AN AM WAVE - Continued
To illustrate this use of the equation, assume that a carrier wave with a peak amplitude of 400 volts is
modulated by a 3-kilohertz sine wave with a peak amplitude of 200 volts.
If the modulation factor were multiplied by 100, the resultant quantity would be the PERCENT OF Privacy Statement - Press Release - Copyright Information.
www.tpub.com /content/neets/14184/css/14184_60.htm   (228 words)

  
 Heparin-Binding EGF-Like Growth Factor Modulation by Antiprogestin and CG in the Baboon (Papio anubis) -- Leach et al. ...
1999 Multiple roles for heparin-binding epidermal growth factor-like growth factor are suggested by its cell-specific expression during the human endometrial cycle and early placentation.
Wang J, Mayernik L, Schultz JF, Armant DR 2000 Acceleration of trophoblast differentiation by heparin-binding EGF-like growth factor is dependent on the stage-specific activation of calcium influx by ErbB receptors in developing mouse blastocysts.
Paria BC, Das SK, Andrews GK, Dey SK 1993 Expression of the epidermal growth factor receptor gene is regulated in mouse blastocysts during delayed implantation.
jcem.endojournals.org /cgi/content/full/86/9/4520   (4472 words)

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