Search Results - "Merkel, Kristian D."

Broadband analog to digital conversion with spatial-spectral holography by Babbitt, W. Randall, Neifeld, Mark A., Merkel, Kristian D.

“…A new approach to broadband photonic-assisted analog-to-digital converter (ADC) technology is proposed and analyzed. The core of the device is a spatial…”
Get full text

A Photonics-based Broadband RF Spectrum Analysis and Geolocation System by Merkel, Kristian D., Jackson, James T., Price, Ryan M., Babbitt, Wm Randall, Benko, Craig, Bekker, Scott H., Winn, Kevin N., Stiffler, Colton R., Woidtke, Alex J., Oset, Jon, Traxinger, Aaron S., Salveson, Jylissa, Chase, Michael D., Sellin, Peter B., Mohan, R. Krishna, Barber, Zeb W.

“…Testing of a broadband photonics-based spectrum analyzer and coherent correlator for RF emitter geolocation using time-difference of arrival is presented…”
Get full text

Extreme bandwidth spectrum analysis by Merkel, Kristian D., Bekker, Scott H., Traxinger, Aaron S., Stiffler, Colton R., Woidtke, Alex J., Chase, Michael D., Babbitt, Wm Randall, Harrington, Cal H., Barber, Zeb W.

“…RF spectrum analysis hardware with instantaneous bandwidth of 40 GHz, resolution bandwidths down to 20 kHz, high sensitivity, and high dynamic range is…”
Get full text

Testing of 10 GHz Instantaneous Bandwidth RF Spectrum Monitoring at Idaho National Labs by Bekker, Scott H., Traxinger, Aaron S., Stiffler, Colton R., Woidtke, Alex J., Chase, Michael D., Babbitt, Wm Randall, Merkel, Kristian D., Barber, Zeb W.

“…S2 Corporation tested its wideband RF spectrum monitor at Idaho National Labs (INL) in December 2013. Rich RF spectrum data was collected over 0.5-10.5 GHz…”
Get full text

Frequency-chirped readout of spatial-spectral absorption features by Chang, Tiejun, Mohan, R. Krishna, Tian, Mingzhen, Harris, Todd L., Babbitt, Wm. Randall, Merkel, Kristian D.

“…This paper examines the physical mechanisms of reading out spatial-spectral absorption features in an inhomogeneously broadened medium using linear…”
Get full text

Range-Doppler Imaging Using an Analog Optical Signal Processor with Agile Waveform Sets by Reibel, R.R., Benson, D.E., Berg, T., Cole, Z., Merkel, K.D., Babbitt, W.R.

“…A range-Doppler radar signal processor based upon a spatial-spectral holographic analog optical signal processor is discussed. Such a system has a variety of…”
Get full text

Coherent lidar range processing of broadband optical noise waveforms by Cole, Z., Reibel, R.R., Benson, D.E., Merkel, K.D., Babbitt, W.R., Wagner, K.

“…We present proof-of-concept results for coherent 'time-of-flight' lidar range processing of broadband analog optical noise waveforms using the spectral sensing…”
Get full text

Broadband Photonic Signal Processing of LIDAR Noise Waveforms by Cole, Z., Reibel, R.R., Benson, D.E., Merkel, K.D., Babbitt, W.R., Wagner, K.H.

“…We present a novel broadband photonic signal processor, capable of sensing and processing a wide variety of waveforms including analog optical noise, for…”
Get full text

Real-time wideband optical processing of S-and X-band signals for advanced radar systems by Reibel, R.R., Merkel, K.D., Cole, Z., Benson, D.E., Babbitt, W.R.

“…Real-time, wideband (>1 GHz) analog signal processing is experimentally demonstrated utilizing electro-optical devices and spectrally selective optical…”
Get full text

Recovery technique for chirped readout of spectral features by Tiejun Chang, Mingzhen Tian, Mohan, R.K., Renner, C., Merkel, K.D., Babbitt, W.R.

“…A data processing technique is proposed for use with conventional absorption spectroscopy at arbitrarily fast frequency chirp rates to map spectral features…”
Get full text