Gu et al., 2021 - Google Patents
Compressed sensing for THz FMCW radar 3D imagingGu et al., 2021
View PDF- Document ID
- 177526026986020895
- Author
- Gu S
- Xi G
- Ge L
- Yang Z
- Wang Y
- Chen W
- Yu Z
- Publication year
- Publication venue
- Complexity
External Links
Snippet
A terahertz (THz) frequency‐modulated continuous wave (FMCW) imaging radar system is developed for high‐resolution 3D imaging recently. Aiming at the problems of long data acquisition periods and large sample sizes for the developed imaging system, an algorithm …
- 238000003384 imaging method 0 title abstract description 91
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
- G01S13/90—Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. correcting range migration errors
- G01S13/9035—Particular SAR processing techniques not provided for elsewhere, e.g. squint mode, doppler beam-sharpening mode, spotlight mode, bistatic SAR, inverse SAR
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/887—Radar or analogous systems specially adapted for specific applications for detection of concealed objects, e.g. contraband or weapons
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS
- G01V5/00—Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity
- G01V5/0008—Detecting hidden objects, e.g. weapons, explosives
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING; COUNTING
- G06F—ELECTRICAL DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Pulido-Mancera et al. | Application of range migration algorithms to imaging with a dynamic metasurface antenna | |
| Pan et al. | On deception jamming for countering bistatic ISAR based on sub‐Nyquist sampling | |
| Gu et al. | Compressed sensing for THz FMCW radar 3D imaging | |
| Chen et al. | Sparse super‐resolution imaging for airborne single channel forward‐looking radar in expanded beam space via lp regularisation | |
| Zhang et al. | An omega‐k algorithm for multireceiver synthetic aperture sonar | |
| Gao et al. | Implementation of the phase shift migration in MIMO-sidelooking imaging at terahertz band | |
| Sun et al. | Fast three-dimensional image reconstruction of targets under the illumination of terahertz Gaussian beams with enhanced phase-shift migration to improve computation efficiency | |
| Hu et al. | Interpolation‐free algorithm for persistent multi‐frame imaging of video‐SAR | |
| Cheng et al. | On the performance of compressed sensing-based methods for millimeter-wave holographic imaging | |
| Zhang et al. | Frequency‐domain multireceiver synthetic aperture sonar imagery with Chebyshev polynomials | |
| Wang et al. | Bistatic terahertz radar azimuth-elevation imaging based on compressed sensing | |
| Bacci et al. | Compressive sensing for interferometric inverse synthetic aperture radar applications | |
| Yang et al. | Phase shift migration with SIMO superposition for MIMO-sidelooking imaging at terahertz band | |
| Barket et al. | Selection criteria of image reconstruction algorithms for terahertz short-range imaging applications | |
| Fan et al. | Polar format algorithm based on fast Gaussian grid non‐uniform fast Fourier transform for spotlight synthetic aperture radar imaging | |
| Yang et al. | Efficient phase shift migration for MIMO 2-D imaging in millimeter-wave band | |
| Sheen et al. | High-resolution 3D microwave imaging of a moving target using optical motion capture | |
| Hu et al. | THz sparse periodic array imaging system using compressed sensing | |
| Weiwei et al. | Compressive sensing‐based ground moving target indication for dual‐channel synthetic aperture radar | |
| Qu et al. | Group Sparse Basis Pursuit Denoising Reconstruction Algorithm for Polarimetric Through‐the‐Wall Radar Imaging | |
| Li et al. | Fast 2D super resolution ISAR imaging method under low signal‐to‐noise ratio | |
| He et al. | Radar pulse completion and high‐resolution imaging with SAs based on reweighted ANM | |
| Marks et al. | Near‐field multistatic radar reconstruction with stretched‐phase Fourier accelerated multistatic imaging | |
| Zhang et al. | High‐quality interferometric inverse synthetic aperture radar imaging using deep convolutional networks | |
| Wang et al. | Walk-through millimeter wave imaging testbed based on double multistatic cross arrays |