modulator


Also found in: Dictionary, Thesaurus, Acronyms, Encyclopedia, Wikipedia.

modulator

 [mod´u-la″ter]
a specific inductor or agent that brings out characteristics peculiar to a definite region.
selective estrogen receptor modulator (SERM) an agent that activates some estrogen receptors but not others, thereby having estrogenlike effects on target tissues (such as bone) without affecting other tissues that have estrogen receptors.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

mod·u·la·tor

(mod'yū-lā'tŏr),
That which regulates or adjusts.
Farlex Partner Medical Dictionary © Farlex 2012

modulator

(mŏj′ə-lā′tər)
n.
A substance that modulates the activity of a molecule or a biochemical pathway, especially a receptor modulator.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

modulator

A substance which regulates or changes the activity of another.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

modulator

A substance that regulates or changes the activity of another. See Neuromodulator, Selective estrogen receptor modulator.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

mod·u·la·tor

(mod'yū-lā'tōr)
That which regulates or adjusts.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

modulator

  1. the part of the spectrum that gives rise to colour vision.
  2. any component maintaining a steady state in a process or reaction, such as a catalyst or a gene.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
Table 1: Gene regulation network and modulator identification methods.
The modulator coefficients are chosen as shown in Figure 1.Ideallythenoise transfer function (NTF) is [(l-[z.sup.-1]).sup.3].
Figure 2 depicts the prototype silicon optical transmitter that integrates the light source and optical modulator. To enable shifts in the wavelengths caused by temperature changes to match, the same ring resonator is used for both the wavelength control unit of the light source and the optical modulator.
Padilla, et al., "A metamaterial solid-state terahertz phase modulator," Nature Photon., Vol.
According to a new research report from Market Research Future (MRFR), the global electro-optic modulators market is expected to exhibit a strong 11% CAGR over the forecast period from 2017 to 2023.
Taking into account the fact that the performance of ASG with CLVES is largely determined by the proper operation of the switch, all attention should be concentrated on the processes occurring precisely in the CLVES and its separate structural elements which include the modulator machines, the thyristor switch itself and the excitation winding of the ASG (its rotor winding).
Ulin-Avila et al., "A graphene-based broadband optical modulator," Nature, vol.
The baseband OFDM signal is directly modulated with an optical I/Q modulator using VCSELs.
3.1.2 Intensity modulator based on optical principle:
Caption: FIGURE 1: Configuration of optical frequency combs (CW-LD1, 2: continuous wave laser sources, IM: intensity modulator, PM: phase modulator, PS: phase shift, Amp: optical amplifier, and PCF: photonic crystal fiber).
In addition, the mentioned modulator is chosen as a candidate for being used in satellite system of European Student Moon Orbiter (ESMO) [11].
As we all know, Sigma-Delta modulators that have been applied so far were all considered as integer-order modulators, whereas the proposed Sigma-Delta modulator with the fractional-order digital loop integrator combines some characteristics of systems between the orders N and (N + 1).