| http://www.w3.org/ns/prov#value | - Thus, each array, two-dimensional array, or single element or other transducer may also be 1) used at various transmit frequencies, such as from 20 kHz to 100 MHz, or even with single broadband pulses of energy, 2) used with varied transmit pulse lengths from a millisecond to continuous wave, e.g., for seconds, minutes, or longer, 3) used with varied pulse duty cycle from almost zero percent ON ti
|
