Sentence examples for modulation of sunspot from inspiring English sources

With solar-cycle modulation of sunspot number comes a corresponding modulation of space weather conditions, including those surrounding Earth where technological systems can be affected.

Both spectral methods, besides an 11-years oscillation in phase with the Schwabe cycle of the solar activity, show the presence of a centennial cycle that is in phase with the amplitude modulation of the sunspot number series in the last 300 years.

We present a study of the galactic cosmic ray modulation for sunspot cycle 23.

(The earlier, second polar year was a year of sunspot minimum).

This 11-year cycle of sunspot activity produces variations in the amount of ultraviolet radiation emitted by the Sun.

He also discovered the movement of sunspot zones toward the Sun's equator as the solar cycle progresses.

The last big freeze came after the kind of sunspot abnormality that may be unfolding now.

Fligge et al. [9] used MCWT to objectively determine the length of sunspot cycle and carry out error analysis on long-term solar activities, e.g., sunspot number, sunspot area.

The mean annual values of sunspot numbers during the period of 2009 2011 were 3.1, 16.5, and 55.7, respectively (see http://www.sidc.be/sunspot-data/).

The average field strength and area of sunspot umbrae vary with sunspot cycle.

Can we use observations of sunspot oscillations at different heights to diagnose the physical parameters in the sunspot's atmosphere?   4.