Patents by Inventor Kenneth I. Ranney

Kenneth I. Ranney has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20210396868
    Abstract: Apparatus and method configured to determine locations of man-made objects within synthetic aperture radar (SAR) imagery. The apparatus and method prescreen SAR imagery to identify potential locations of man-made objects within SAR imagery. The potential locations are processed using a change detector to remove locations of natural objects to produce a target image containing location of substantially only man-made objects.
    Type: Application
    Filed: June 17, 2020
    Publication date: December 23, 2021
    Inventors: Kenneth I. Ranney, David C. Wong, Tuan That Ton, Brian R. Phelan
  • Publication number: 20210263132
    Abstract: According to embodiments, a radar system includes: at least one radio receiver which is comprised of: an antenna configured to receive RF data including both the direct-path RF signal transmitted from a radio transmitter and a reflected RF signal when the transmitted RF signal is reflected from the target; a memory configured to store the same predetermined RF waveform profile data used by the transmitter to generate and transmit the RF signal; a timing unit to provide timing; a matched filter application configured to generate and apply a matched filter for identifying RF signal signatures in RF data; and one or more processors configured to: (i) analyze the received RF data to identify multiple, repeated, individual RF signals corresponding to the direct-path transmitted RF signal; (ii) split the identified RF signals corresponding to the direct-path transmitted RF signal into a plurality of repeating units each having an interval time; (iii) create a matched filter using the predetermined transmit waveform
    Type: Application
    Filed: February 11, 2021
    Publication date: August 26, 2021
    Inventors: Kenneth I. Ranney, Kyle A. Gallagher, Daniel T. Galanos, Abigail S. Hedden, Roger P. Cutitta
  • Patent number: 10911085
    Abstract: Apparatus for augmenting a received signal comprising a receiver configured to receive a signal, a digitizer configured to generate a digitized version of the received signal at two different times, and a signal processor, coupled to the digitizer, configured to determine a phase relationship between the digitized signals at the two different times, adjust a phase of at least one of the digitized signals based on the phase relationship to combine the two digitized signals to form an augmented signal.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: February 2, 2021
    Assignee: America as represented by the Secretary of the Army
    Inventors: Kenneth I. Ranney, Kyle A. Gallagher, John C. Merritt, IV, Kwok Foo Tom, Edward A. Viveiros, Jr., Stephen D. Freeman
  • Patent number: 10845461
    Abstract: Embodiments of the present invention implement a novel methodology for processing radar image data from a radar system having one or more transmitter and receiver antenna pairs. The novel methodology deliberately operates on spectrally-notched radar data. It uses a specially-adapted version of the CLEAN algorithm to mitigate the effects of frequency-band notching. Following that, it performs a non-linear sidelobe-reduction algorithm to further eliminate artifacts and produce radar imagery of much higher quality. In some cases, it exploits a specific version of the recursive sidelobe minimization (RSM) algorithm which operates in the frequency and aperture (spatial) domain.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: November 24, 2020
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Brian R. Phelan, Marc Allan Ressler, Kenneth I. Ranney
  • Patent number: 10564257
    Abstract: A spectrum sensing radar system including a spectrum power sensing module configured to sense electromagnetic signal powers in a plurality of sub-frequencies and generate a sensed power set including a plurality of sensed electromagnetic signal powers corresponding to each of the plurality of sub-frequencies; a multi-objective function module configured to receive the sensed power set and calculate a first objective function for each of the plurality of sub-frequencies, wherein the first objective function includes a power function divided by an empirical measure of interference of the sensed power set to form a signal plus noise objective function for a sub-frequency of the plurality of sub-frequencies, and wherein the power function further includes a peak transmit power of the radar system multiplied by a gain of an antenna of the radar system, multiplied by a wavelength of a carrier of the sub-frequency.
    Type: Grant
    Filed: February 2, 2017
    Date of Patent: February 18, 2020
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Anthony F. Martone, Kenneth I. Ranney, Kelly D. Sherbondy
  • Patent number: 10234543
    Abstract: Embodiments of the present invention concern locating targets using non-linear radar with a matched filter which uses exponential value of the transmit signal. According to embodiments, a method of non-linear radar target location includes: transmitting a signal of a transmit waveform towards a target; receiving a signal from the target; creating a matched filter by generating an exponential function of the transmit waveform corresponding to a particular harmonic of the interest; and applying the matched filter to the received signal to generate and output a signature waveform for the target of the particular harmonic of interest. In other embodiments, the matched filtering may be combined with sidelobe reduction.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: March 19, 2019
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Gregory J. Mazzaro, Kyle A. Gallagher, Kenneth I. Ranney, Anthony F. Martone
  • Patent number: 10203405
    Abstract: Method for determining distance to target using a multitone nonlinear radar system comprising providing a transmitter that transmits a signal comprising at least two predetermined frequency components; receiving transmitted signal upon reflection from target; determining the phase relationships of the frequency components when signal strikes target; determining distance the signal has travelled to target based upon the phase relationship of the frequency signal components at the time of reflection from target; computing the distance to target.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: February 12, 2019
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Gregory J. Mazzaro, Kenneth I. Ranney, Kyle A. Gallagher, Anthony F. Martone
  • Publication number: 20180348341
    Abstract: Embodiments of the present invention implement a novel methodology for processing radar image data from a radar system having one or more transmitter and receiver antenna pairs. The novel methodology deliberately operates on spectrally-notched radar data. It uses a specially-adapted version of the CLEAN algorithm to mitigate the effects of frequency-band notching. Following that, it performs a non-linear sidelobe-reduction algorithm to further eliminate artifacts and produce radar imagery of much higher quality. In some cases, it exploits a specific version of the recursive sidelobe minimization (RSM) algorithm which operates in the frequency and aperture (spatial) domain.
    Type: Application
    Filed: June 5, 2018
    Publication date: December 6, 2018
    Inventors: Brian R. Phelan, Marc Allan Ressler, Kenneth I. Ranney
  • Patent number: 10101436
    Abstract: A method for optimizing bandwidth selection of a radar transmission in a frequency bandwidth in which the frequency bandwidth is divided into a plurality of sub-bands having a plurality of different bandwidths. The energy level is measured for each sub-band and a range resolution is also determined for each sub-band. Thereafter, a sub-band is selected in the frequency range where the signal to interference plus noise ratio plus the range resolution is maximum. Thereafter, a radar transmission is transmitted in the selected sub-band with a bandwidth corresponding to the bandwidth of the selected sub-band.
    Type: Grant
    Filed: August 11, 2015
    Date of Patent: October 16, 2018
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Anthony F. Martone, Kenneth I. Ranney, Traian V. Dogaru, Kelly D. Sherbondy
  • Publication number: 20180217230
    Abstract: A spectrum sensing radar system including a spectrum power sensing module configured to sense electromagnetic signal powers in a plurality of sub-frequencies and generate a sensed power set including a plurality of sensed electromagnetic signal powers corresponding to each of the plurality of sub-frequencies; a multi-objective function module configured to receive the sensed power set and calculate a first objective function for each of the plurality of sub-frequencies, wherein the first objective function includes a power function divided by an empirical measure of interference of the sensed power set to form a signal plus noise objective function for a sub-frequency of the plurality of sub-frequencies, and wherein the power function further includes a peak transmit power of the radar system multiplied by a gain of an antenna of the radar system, multiplied by a wavelength of a carrier of the sub-frequency.
    Type: Application
    Filed: February 2, 2017
    Publication date: August 2, 2018
    Inventors: Anthony F. Martone, Kenneth I. Ranney, Kelly D. Sherbondy
  • Publication number: 20180074165
    Abstract: A method for optimizing bandwidth selection of a radar transmission in a frequency bandwidth in which the frequency bandwidth is divided into a plurality of sub-bands having a plurality of different bandwidths. The energy level is measured for each sub-band and a range resolution is also determined for each sub-band. Thereafter, a sub-band is selected in the frequency range where the signal to interference plus noise ratio plus the range resolution is maximum. Thereafter, a radar transmission is transmitted in the selected sub-band with a bandwidth corresponding to the bandwidth of the selected sub-band.
    Type: Application
    Filed: August 11, 2015
    Publication date: March 15, 2018
    Inventors: Anthony F. Martone, Kenneth I. Ranney, Traian V. Dogaru, Kelly D. Sherbondy
  • Publication number: 20170307726
    Abstract: Embodiments of the present invention concern locating targets using non-linear radar with a matched filter which uses exponential value of the transmit signal. According to embodiments, a method of non-linear radar target location includes: transmitting a signal of a transmit waveform towards a target; receiving a signal from the target; creating a matched filter by generating an exponential function of the transmit waveform corresponding to a particular harmonic of the interest; and applying the matched filter to the received signal to generate and output a signature waveform for the target of the particular harmonic of interest. In other embodiments, the matched filtering may be combined with sidelobe reduction.
    Type: Application
    Filed: April 20, 2016
    Publication date: October 26, 2017
    Inventors: Gregory J. Mazzaro, Kyle A. Gallagher, Kenneth I. Ranney, Anthony F. Martone
  • Patent number: 9635508
    Abstract: Embodiments of the present invention relate cognitive radar and RF technologies, and more particularly, to spectrum sensing processing for rapidly monitoring the RF spectrum for channel availability and activity. The goal is to find and use unoccupied RF channels to broadcast and receive information. According to one embodiment, a method for analyzing a received RF signal to determine unused channels, or frequencies, therein, comprises: analyzing a received RF signal to determine anchor points that represent high energy frequency locations; calculating distances between the determined anchor points; identifying and eliminating clusters or isolated anchor points defined as a high energy region of interference based on the calculated distances; and selecting at least one remaining unoccupied frequency for transmitting or receiving a RF signal.
    Type: Grant
    Filed: August 7, 2014
    Date of Patent: April 25, 2017
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Anthony F. Martone, Kenneth I. Ranney
  • Publication number: 20160282457
    Abstract: Method for determining distance to target using a multitone nonlinear radar system comprising providing a transmitter that transmits a signal comprising at least two predetermined frequency components; receiving transmitted signal upon reflection from target; determining the phase relationships of the frequency components when signal strikes target; determining distance the signal has travelled to target based upon the phase relationship of the frequency signal components at the time of reflection from target; computing the distance to target.
    Type: Application
    Filed: April 8, 2016
    Publication date: September 29, 2016
    Applicant: U.S. Army Research Laboratory ATTN: RDRL-LOC-I
    Inventors: Gregory J. Mazzaro, Kenneth I. Ranney, Kyle A. Gallagher, Anthony F. Martone
  • Patent number: 9250323
    Abstract: A method and system for forming an image comprising at least one processor for performing the following: initializing an N by P image array IO by setting all values to a large number; inputting at least one image frame; randomly selecting and removing a subset of pixel locations from the total number of available pixel locations to form a preliminary image array IC; for each pixel location comparing the complex magnitude of each pixel in the image array IO with the magnitude of the corresponding pixel in image array IC, and if the pixel value in the image array IC is smaller than the corresponding pixel in the image array IO or if the IC value equals 0, then the current pixel value in image array IO is replaced by the pixel value in the image array IC; and repeating for a number of iterations to form an image.
    Type: Grant
    Filed: May 24, 2012
    Date of Patent: February 2, 2016
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Kenneth I. Ranney, Anthony F. Martone, Roberto Innocenti, Lam H. Nguyen
  • Publication number: 20150201420
    Abstract: Embodiments of the present invention relate cognitive radar and RF technologies, and more particularly, to spectrum sensing processing for rapidly monitoring the RF spectrum for channel availability and activity. The goal is to find and use unoccupied RF channels to broadcast and receive information. According to one embodiment, a method for analyzing a received RF signal to determine unused channels, or frequencies, therein, comprises: analyzing a received RF signal to determine anchor points that represent high energy frequency locations; calculating distances between the determined anchor points; identifying and eliminating clusters or isolated anchor points defined as a high energy region of interference based on the calculated distances; and selecting at least one remaining unoccupied frequency for transmitting or receiving a RF signal.
    Type: Application
    Filed: August 7, 2014
    Publication date: July 16, 2015
    Inventors: Anthony F. Martone, Kenneth I. Ranney
  • Patent number: 9057783
    Abstract: A system and method for locating a moving target behind a wall or barrier comprising: providing a plurality of images of the region of interest; selecting a reference image from the plurality of images; forming a predetermined number of difference images by subtracting the absolute value of the pixels of the reference image from the absolute values of pixels in a predetermined number of the plurality of images; eliminating negative pixel values in the predetermined number of difference images; minimizing the side lobes to form a combined difference image for each reference frame, selecting another reference image from the plurality of images and performing the steps of forming a plurality of difference images, eliminating negative pixel values, averaging the resulting predetermined number of difference images and minimizing the side lobes for each selected reference image to form a set of combined difference images which contain the moving target signature.
    Type: Grant
    Filed: September 15, 2011
    Date of Patent: June 16, 2015
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Anthony F. Martone, Kenneth I. Ranney, Calvin Duc Le
  • Patent number: 8994584
    Abstract: Embodiments of the present invention generally relate to motion compensation, and in particular to an autofocus-based compensation (ABC) systems and methods for a ground moving target indication platform. According to one embodiment, a method for autofocus based compensation of range data acquired from an object in motion is provided. The method may include: receiving range data; steering at least one receive beam of the range data in a desired direction; transforming the range data into the range domain; determining the width of a main clutter lobe; excluding data that is not part of the main lobe clutter response; transforming the main-lobe clutter response into the range domain; calculating a phase correction term; and applying the phase correction to the original range data.
    Type: Grant
    Filed: June 5, 2012
    Date of Patent: March 31, 2015
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Kenneth I. Ranney, Geoffrey H. Goldman, Roberto Innocenti, Jerry Lee Silvious
  • Publication number: 20150061926
    Abstract: A method and system for forming an image comprising at least one processor for performing the following: initializing an N by P image array IO by setting all values to a large number; inputting at least one image frame; randomly selecting and removing a subset of pixel locations from the total number of available pixel locations to form a preliminary image array IC; for each pixel location comparing the complex magnitude of each pixel in the image array IO with the magnitude of the corresponding pixel in image array IC, and if the pixel value in the image array IC is smaller than the corresponding pixel in the image array IO or if the IC value equals 0, then the current pixel value in image array IO is replaced by the pixel value in the image array IC; and repeating for a number of iterations to form an image.
    Type: Application
    Filed: May 24, 2012
    Publication date: March 5, 2015
    Applicant: U.S. Government as represented by the Secretary of the Army
    Inventors: KENNETH I. RANNEY, ANTHONY F. MARTONE, ROBERTO INNOCENTI, LAM H. NGUYEN
  • Patent number: 8665132
    Abstract: A method and system for generating images from projection data comprising: at least one processor for processing input data, the input data comprising positional data and image data, the image data comprising frequency data for a pre-determined number k frequencies the at least one processor operating to: a) set the frequency data to zero for a predetermined percentage of the k frequencies to form modified frequency data; b) form a preliminary image comprising an array of retained pixel values based upon first positional data and the modified frequency data; c) set the frequency data to zero for a predetermined percentage of the k frequencies to form modified frequency data; d) form a modified image comprising an array of pixels based upon the positional data and the modified frequency data; e) compare the retained array of pixel values to the pixel values of the modified image formed at step (d); f) retain the minimum pixel value at each pixel location to form an image comprising minimum pixel values; g) rep
    Type: Grant
    Filed: March 11, 2011
    Date of Patent: March 4, 2014
    Assignee: The United States of America as Represented by the Secretary of the Army
    Inventors: Kenneth I. Ranney, Lam Huy Nguyen, Jeffrey P. Sichina