advance signal

advance signal

[əd′vans ′sig·nəl]
(civil engineering)
A signal in a block system up to which a train may proceed within a block that is not completely cleared.
References in periodicals archive ?
Over the second quarter as a whole the PMI averaged 48.1, and this figure provides an advance signal of the direction of change in official gross domestic product (GDP), which is only published on a quarterly basis.
Also, this collaboration will also explore ways to advance signal processing algorithms and airborne SIGINT capabilities that quickly adapt to current and emerging missions and threats across the globe.
The author covers the fundamentals of DSP techniques and applications, including signal characteristics in analog and digital domains, advance signal sampling, interpolation techniques, antenna theory and the algorithms used for radar image processing.
Veteran poker player and writer Mike Caro insists that the easiest and perhaps most profitable advance signal to spot at the poker table is the opponent who makes a point of checking his chip stack as soon as the cards are dealt.
The veteran poker player and writer, Mike Caro, insists that the easiest and perhaps most profitable advance signal to spot at the poker table is the opponent who makes a point of checking his chip stack as soon as the cards are dealt.
The ascent of lean production by finance capital through job flexibility and casualization have caught Indian workers unaware, says Banderjee (economics, Institute of Development Studies, Kolkata), and labor movements were unprepared for these developments because there had been no advance signal from the economic fundamentals.
Remember, even a telephone break-up is less painful than being lied to, though it will probably come as a shock as you haven't given her advance signals.
Sensors in the crumple zone provide advance signals indicating the severity of a head-on collision.
Falling consumer demand in the US; advance signals of a rise in UK interest rates and the aftermath of Andersen's fall from grace were all touted as reasons for another wave of selling when London and Wall Street opened for business yesterday.