REQUIREMENTS In the initial phase of research for the strata control GPR, system requirements were established for maximum ... The system selected consisted of four units: a transmitter, a receiver, a computer for system control and data acquisition, and a portable power supply. ... The timer circuit also provided pulses for synchronizing the operation of the receiver sampling unit and the computer.
|Title||:||Ground-penetrating radar for strata control|
|Author||:||Ronald H. Church, William E. Webb, James R. Boyle, United States. Bureau of Mines|