A $56 million state-of-the-art computerized signal system was installed last fall at the railroad's hub in Jamaica, Queens.
Delays have been frequent on the relatively short line because of glitches with the computerized signaling and operating system -- which will not let engineers move their two-car trains when a signal is red.
WMATA and NTSB investigators considered several possible causes, which might include operator error, brake failure, fault in the computerized signal and operation system, or a combination of the three.
These parameters are not evaluated very effectively by raw signal EEG monitors, but some progress has been made using computerized processed signal EEGs.
Westchester County has installed a new computerized traffic signal system on three major roads to help traffic move more efficiently.
NO2 reverts to the ground state by emitting electromagnetic radiation that is detected by a photomultiplier tube and generates a computerized digital signal.
You now need to anticipate the signal and get in before all the other computerized trades and signals go off.
Only a single subway line, the L train, has a complete system of working countdown clocks, and that required installing from scratch an entirely new computerized set of signals.
These type of methods have been used in areas like computerized tomography and signal processing.
