First is that they are not subject to the blurring of images ( ‘ seeing(passive) caused byFirst is that they are not subject to the blurring of images ( ‘ seeing
lower - order aberrations(passive) caused bylower - order aberrations
a deterioration of astronomic imagescausesa deterioration of astronomic images
wave - front tilt error(passive) caused bywave - front tilt error
starlight to twinkle and ground - based telescopic images to blurcausesstarlight to twinkle and ground - based telescopic images to blur
blur , distortion and intensity fluctuations that can severely degrade the image quality of these systemscausesblur , distortion and intensity fluctuations that can severely degrade the image quality of these systems
distortions in the laser beam wavefront ... leading to fluctuations in both the intensity and the phase of the received light signal performancecausesdistortions in the laser beam wavefront ... leading to fluctuations in both the intensity and the phase of the received light signal performance
random optical inhomogeneities(passive) caused byrandom optical inhomogeneities
the halos(passive) created bythe halos
satellite - based SAR(passive) caused bysatellite - based SAR
the vertices to decay more rapidly , and path and stability of atmospheric factors ( temperature , pressurecausesthe vertices to decay more rapidly , and path and stability of atmospheric factors ( temperature , pressure
from thermal currents , or windresultingfrom thermal currents , or wind
most to street - level ventilation because the turbulent component of ACH ( ACH ’ ’ ) dominates the transport process ( at least 70 % of the total ACHcontributesmost to street - level ventilation because the turbulent component of ACH ( ACH ’ ’ ) dominates the transport process ( at least 70 % of the total ACH
the star 's image(passive) caused bythe star 's image
angle - of - arrival fluctuation ( AOA(passive) caused byangle - of - arrival fluctuation ( AOA
the jitters(passive) caused bythe jitters
vertical mixing in the air which also results in the disappearance of fogcausesvertical mixing in the air which also results in the disappearance of fog
these regions to move over timecausesthese regions to move over time
image motion(passive) caused byimage motion
the light to fade over parts of the telescope ’s aperturedoes causethe light to fade over parts of the telescope ’s aperture
objects seen through the telescope to “ boilcausesobjects seen through the telescope to “ boil
bright material to become concentrated in one areamay have causedbright material to become concentrated in one area
fluctuation of optical intensity and loss of spatial coherence(passive) are caused byfluctuation of optical intensity and loss of spatial coherence
most weather - related aircraft incidents1causesmost weather - related aircraft incidents1
stars to twinklecausesstars to twinkle
the fuzziness(passive) caused bythe fuzziness
the shape of the primary reflecting mirror(passive) are caused bythe shape of the primary reflecting mirror
intensity and phase disturbances on the wavefront of electromagnetic waves propagation through it that can seriously degrade the reliability of free- space optical communication linkscausesintensity and phase disturbances on the wavefront of electromagnetic waves propagation through it that can seriously degrade the reliability of free- space optical communication links
significant image quality degradation in long - range , ground - to - ground imagerycan causesignificant image quality degradation in long - range , ground - to - ground imagery
the target to appear to " wobble " in and out of focus even if you 've got it spot onwill causethe target to appear to " wobble " in and out of focus even if you 've got it spot on
an asymmetric load cycle , which imposes a strike by the turbine blade on the shaft , thereby increasing the fatigue load on the shaftcausesan asymmetric load cycle , which imposes a strike by the turbine blade on the shaft , thereby increasing the fatigue load on the shaft