Page 164 - Electrical Engineering Dictionary

ture of the neural networks is that they op- consistent estimator an estimator whose
erate in parallel and that they can be imple- value converges to the true parameter value
mented in silicon. Using such circuits may as the sample size tends to infinity. If the
be a new way to implement adaptive control convergence holds with probability 1, then
systems. the estimator is called strongly consistent or
consistent with probability 1.
connectionless service a mode of packet
switching in which packets are exchanged
consistent goals objectives of several de-
without first establishing a connection. Con-
cision units in charge of a controlled parti-
ceptually, this is very close to message
tioned system which, when followed, would
switching, except that if the destination node
lead jointly to overall optimal decisions (ac-
is not active, then the packet is lost.
tions) of these units; independent decision
makers contributing to common objectives,
connectivity specifies that sets are consid-
with consistent goals, form a team.
ered to be connected. Generally it is based
on an adjacency relation between pixels (or
constant angular velocity normally used
voxels), so that a set X is connected if and
in disk storage units where the disk platter
only if for any p, q ∈ X there is a sequence
rotate at a constant rotational speed. Because
p 0 ,...,p n (n ≥ 0) such that p = p 0 ,
of this, and to have the same amount of data
q = p n , and for each k< n, p k is adjacent to
in each track, sectors on the inner tracks are
p k+1 . See pixel adjacency, voxel adjacency.
more densely recorded than the outer tracks.
connectivity check a computerized pro-
cedure applied to a semiconductor chip’s constant bit density on a disk, recording
physical layout database which verifies the pattern in which the number of bits per unit
actual circuit on the chip is a correct im- distance is the same over all tracks.
plementation of the circuit described on the
schematic diagrams of the chip.
constant bit rate (CBR) describes a traf-
fic pattern in which the bits are sent at a fixed
consistency a correctness criterion based
or constant rate. An 8-bit analog to digital
on testing whether the result that is achieved converter sampling at 8 kilo-samples per sec-
by a set of operations being performed in par-
ond produces a CBR traffic stream with a bit
allel is identical to the result that would be
rate of 64 kbps.
obtained if the operations were performed se-
quentially without any overlap. Weaker tests
have been proposed in order to trade hard- constant gain circle locus of input and
output impedance points plots on the Smith
ware complexity for software responsibility
chart that provide constant gain to an ampli-
and faster execution.
fier.
consistency of interests situation in
which there are several decision units with constant linear velocity used for exam-
consistentgoals. Comparewithdisagreement ple, insomeopticaldiskswheretheplatterro-
of interests. tates at different speed, depending on the rel-
ativepositionofthereferencedtrack. Thisal-
consistency principle a principle from lowsmoredatatobestoredontheoutertracks
possibility theory relating to the consistency thanontheinnertracks. Becauseittakestime
between probability and possibility which to vary the speed of rotation, the method is
states that the possibility of an event is al- best suited for sequential rather than random
ways at least as great as its possibility. access. See also constant angular velocity.

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2000 by CRC Press LLC