Commissioning tests show that FPGA-based DSP and LWD instrument to achieve high-precision digital measurement signal phase-sensitive detector, so that the real and imaginary parts of the signal separation is more complete, greatly improving measurement accuracy; with a 14 bit single-chip Integrated

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The experimental debugging indicated that, along with drilled the logging instrument based on DSP and FPGA to realize the survey signal high accuracy numeral sensitive detection, caused the real part and the imaginary component signal separation is thorougher, increased the measuring accuracy greatl

Test debugging indicates that, based on DSP and FPGA of with drill measuring well instrument implementation has measurement signal of high precision digital phase-sensitive detection, makes real Department and virtual Department signal of separation more thoroughly, greatly improve has measurement p