-
smaller than milli- are
useful in
measuring extremely small angles.
Microradians (μrad, 10−6 rad) and
nanoradians (nrad, 10−9 rad) are used in astronomy...
- (μN) to
millinewton (mN) range), FEEP
thrusters are
primarily used for
microradian,
micronewton attitude control on spacecraft, such as in the ESA/NASA...
-
better when
using beam
profilers over irises.
Applications that need
microradian alignment accuracies include earth-to-space communications, earth-to-space...
-
theodolite position.
These angles can be
measured with
accuracies down to
microradians or
seconds of arc. From
these readings a plan can be drawn, or objects...
- 1⁄1000 of Earth's
rotation rate: 1 MERU = 0.015 degrees/hour ≈ 0.072921
microradian/second.
Sometimes used to
measure the
angular drift rate of an inertial...
-
visual autocollimator can
measure angles as
small as 1
arcsecond (4.85
microradians),
while an
electronic autocollimator can have up to 100
times more resolution...
-
largest ever
carried on a deep
space mission, and has a
resolution of 1
microradian, or 0.3 m (1 ft 0 in) from an
altitude of 300 km (190 mi). In comparison...
- The
human naked eye has an
angular resolution of
approximately 280
microradians (μrad) (approx 0.016° or 1
minute of arc), and the ISS
targets an altitude...
-
pointing stability is
within 50
microradians over one second, and post-processing
attitude knowledge is to 50
microradians. The
command and data handling...
- (degrees) 5,5 15,5 x 8,3 non-applicable 13,3 x 10
Spatial resolution (
microradians) 94,1 133 1000 226
Spectral band (nanometers) 350-1000 665-975 700-1400...
