This paper is a collection of results on the theory of group error-correcting codes for use 011 binary channels.
V E R Y day we base conclusions on the results of the process commonly known as " s a m p l i n g .
Developers of large software systems must decide how much to test a piece of software before it is released. We consider an explicit tradeoff between the costs of testing and releasing.
On the premise that telecommunications engineering may be considered one of the most complex and highly technical industries, more than usually dependent upon engineering, the author considers the
H E R E are at the present time two types of crystal quartz plates in general use as circuit elements for frequency stabilization at radio frequencies, namely, the X-cut and F-cut.
The advantages of the selenium rectifier over other types of dry rectifier are a high permissible working temperature (85degC.), a high current density (180 mA/cm2.
Determining the grade of service of a telephone connecting network, as measured, for example, by the probability of blocking, continues to be a major outstanding problem of telephone traffic theory
The fact t h a t successive frames of a motion picture are often very nearly alike has led to the consideration of schemes which transmit, for each point of the picture, the difference between the
One of the problems encountered in t h e utilization of t h e millimeterwave b a n d s for r a d i o - r e l a y systems is a t t e n u a t i o n resulting from precipitation.