With the increase of the code rate, the production distance between the constellation of the unitary group code decreases rapidly and deteriorates the performance of the system.
随着码率的不断增加，酉空时码群中的各个星座点之间的乘积距离会变得越来越小，从而导致性能恶化。
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In order to solve the problem of higher product rejection rate and higher rate of equipment failures in machining production line, A Toyota Production System (TPS) implementing group has been set up.
The integrated assembly with sand removal and washing in crude oil gathering system designed by the Exploitation and Design Institute of Dagang Oilfield Group is up to the sand removal rate of 90%…