Relevant bibliographies by topics / Millimetre wave radar;imaging;navigation

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers
  4. Reports

Academic literature on the topic 'Millimetre wave radar;imaging;navigation'

Author: Grafiati
Published: 4 June 2021
Last updated: 21 February 2023

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Journal articles on the topic "Millimetre wave radar;imaging;navigation"

1

Britton, A., and D. Joynson. "An all weather millimetre wave imaging radar for UAVs." Aeronautical Journal 105, no. 1053 (November 2001): 609–12. http://dx.doi.org/10.1017/s0001924000012598.

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Abstract In this paper we describe a new 35GHz air-borne radar developed jointly by DERA and Alenia Marconi Systems. This radar is a functional prototype of a more highly configured imaging radar which is designed to meet the needs for all-weather imaging both for future unmanned air vehicles (UAV) and for seekers in the next generation of surface attack weapons. The radar achieves high range resolution through a combination of pseudo-random phase coding and frequency agility. This is then augmented by synthetic aperture techniques to allow forward looking high resolution 2D imagery to be obtained. The radar has been installed on a fixed wing aircraft and has been used to gather fixed and relocatable target signature data under tactically representative conditions. The paper begins with a discussion of the requirements for such a radar and then a review of its design and performance is presented. This is followed by examples of target signatures gathered during the initial system flights and a discussion on their exploitation for surveillance, target acquisition and tracking.
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Owda, Amani, Majdi Owda, and Nacer-Ddine Rezgui. "Synthetic Aperture Radar Imaging for Burn Wounds Diagnostics." Sensors 20, no. 3 (February 5, 2020): 847. http://dx.doi.org/10.3390/s20030847.

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The need for technologies to monitor the wound healing under dressing materials has led us to investigate the feasibility of using microwave and millimetre wave radiations due to their sensitivity to water, non- ionising nature, and transparency to dressing materials and clothing. This paper presents synthetic aperture radar (SAR) images obtained from an active microwave and millimetre wave scanner operating over the band 15–40 GHz. Experimental images obtained from porcine skin samples with the presence of dressing materials and after the application of localised heat treatments reveal that SAR images can be used for diagnosing burns and for potentially monitoring the healing under dressing materials. The experimental images were extracted separately from the amplitude and phase measurements of the input reflection coefficient (S11). The acquired images indicate that skin and burns can be detected and observed through dressing materials as well as features of the skin such as edges, irregularities, bends, burns, and variation in the reflectance of the skin. These unique findings enable a microwave and millimetre-wave scanner to be used for evaluating the wound healing progress under dressing materials without their often-painful removal: a capability that will reduce the cost of healthcare, distress caused by long waiting hours, and the healthcare interventional time.
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Wen, Cai, Jiang Zhu, Yan Zhou, and Jinye Peng. "Study on ISAR imaging for forward-looking missile-borne millimetre wave radar." Journal of Engineering 2019, no. 20 (October 1, 2019): 6718–22. http://dx.doi.org/10.1049/joe.2019.0297.

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Ullmann, Ingrid, Julian Adametz, Daniel Oppelt, Andreas Benedikter, and Martin Vossiek. "Non-destructive testing of arbitrarily shaped refractive objects with millimetre-wave synthetic aperture radar imaging." Journal of Sensors and Sensor Systems 7, no. 1 (April 20, 2018): 309–17. http://dx.doi.org/10.5194/jsss-7-309-2018.

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Abstract. Millimetre-wave (mmW) imaging is an emerging technique for non-destructive testing. Since many polymers are transparent in this frequency range, mmW imaging is an attractive means in the testing of polymer devices, and images of relatively high resolution are possible. This contribution presents an algorithm for the precise imaging of arbitrarily shaped dielectric objects. The reconstruction algorithm is capable of automatically detecting the object's contour, followed by a material-sensitive reconstruction of the object's interior. As an example we examined a polyethylene device with simulated material defects, which could be depicted precisely.
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Bystrov, Aleksandr, Liam Daniel, Edward Hoare, Fatemeh Norouzian, Mikhail Cherniakov, and Marina Gashinova. "Experimental Evaluation of 79 and 300 GHz Radar Performance in Fire Environments." Sensors 21, no. 2 (January 9, 2021): 439. http://dx.doi.org/10.3390/s21020439.

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This paper presents an experimental study of the propagation of mm-wave/low-THz signals in the frequency ranges of 79 and 300 GHz through fire. Radar performance was investigated in various real scenarios, including fire with strong flame, dense smoke and water vapour. A stereo video camera and a LIDAR were used as a comparison with other common types of sensors. The ability of radars to enable the visibility of objects in fire environments was proven. In all scenarios, the radar signal attenuation was measured, and in the case of steam was compared with theoretical calculations. The analysis of the experimental results allows us to conclude that there are good prospects for millimetre wave and Low Terahertz radar in the field of firefighting imaging equipment.
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Bystrov, Aleksandr, Liam Daniel, Edward Hoare, Fatemeh Norouzian, Mikhail Cherniakov, and Marina Gashinova. "Experimental Evaluation of 79 and 300 GHz Radar Performance in Fire Environments." Sensors 21, no. 2 (January 9, 2021): 439. http://dx.doi.org/10.3390/s21020439.

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This paper presents an experimental study of the propagation of mm-wave/low-THz signals in the frequency ranges of 79 and 300 GHz through fire. Radar performance was investigated in various real scenarios, including fire with strong flame, dense smoke and water vapour. A stereo video camera and a LIDAR were used as a comparison with other common types of sensors. The ability of radars to enable the visibility of objects in fire environments was proven. In all scenarios, the radar signal attenuation was measured, and in the case of steam was compared with theoretical calculations. The analysis of the experimental results allows us to conclude that there are good prospects for millimetre wave and Low Terahertz radar in the field of firefighting imaging equipment.
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Sharma, Rahul, Okan Yurduseven, Bhabesh Deka, and Vincent Fusco. "HARDWARE ENABLED ACCELERATION OF NEAR-FIELD CODED APERTURE RADAR PHYSICAL MODEL FOR MILLIMETRE-WAVE COMPUTATIONAL IMAGING." Progress In Electromagnetics Research B 90 (2021): 91–108. http://dx.doi.org/10.2528/pierb20112305.

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Sharma, Rahul, Okan Yurduseven, Bhabesh Deka, and Vincent Fusco. "HARDWARE ENABLED ACCELERATION OF NEAR-FIELD CODED APERTURE RADAR PHYSICAL MODEL FOR MILLIMETRE-WAVE COMPUTATIONAL IMAGING." Progress In Electromagnetics Research B 90 (2021): 91–108. http://dx.doi.org/10.2528/pierb20112305.

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Bertl, S., A. Dallinger, and J. Detlefsen. "Bistatic extension for coherent MMW-ISAR-Imaging of objects and humans." Advances in Radio Science 6 (May 26, 2008): 63–66. http://dx.doi.org/10.5194/ars-6-63-2008.

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Abstract. We present a bistatic extension of a broadband monostatic FMCW Radar working in the Millimetre-Wave (MMW) region and its bistatic imaging properties used for imaging purposes. Due to the different perspective of a bistatic setup compared to a monostatic one, additional information can be obtained. A wide bandwidth of approx. 10 GHz is used for the task of high resolution imaging as it could be used for the detection of threats at a person's body in security-sensitive environments. Since MMWs propagate easily through common clothing, it is feasible to image objects like concealed weapons worn under the clothing. MMW-Imaging of humans is one possibility to enhance the capabilities of nowadays security checkpoints, e.g. at airports.
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Schwäbig, Christopher, Siying Wang, and Sabine Gütgemann. "Development of a millimetre wave based SAR real-time imaging system for three-dimensional non-destructive testing." tm - Technisches Messen 88, no. 7-8 (June 24, 2021): 488–97. http://dx.doi.org/10.1515/teme-2021-0029.

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Abstract The following article describes the development of a millimetre wave based real-time imaging system for three dimensional non-destructive testing of goods. For this purpose a rotating antenna is used which is fed from an FMCW radar. The received measuring data is processed with a SAR algorithm. Due to the fact that a reflexive measurement method is used, the integration of the system into existing systems is simplified. To make the computing power-intensive SAR image processing possible, the complete signal processing chain of the image processing is executed on the graphics card. The article elucidates the concept for calculating the measurement parameters which have to be elaborated for the implementation of the image processing of the whole system.
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Dissertations / Theses on the topic "Millimetre wave radar;imaging;navigation"

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Brooker, Graham Michael. "Long-Range Imaging Radar for Autonomous Navigation." Thesis, The University of Sydney, 2005. http://hdl.handle.net/2123/658.

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This thesis describes the theoretical and practical implementation of a long-range high-resolution millimetre wave imaging radar system to aid with the navigation and guidance of both airborne and ground-based autonomous vehicles. To achieve true autonomy, a vehicle must be able to sense its environment, comprehensively, over a broad range of scales. Objects in the immediate vicinity of the vehicle must be classified at high resolution to ensure that the vehicle can traverse the terrain. At slightly longer ranges, individual features such as trees and low branches must be resolved to allow for short-range path planning. At long range, general terrain characteristics must be known so that the vehicle can plan around difficult or impassable obstructions. Finally, at the largest scale, the vehicle must be aware of the direction to its objective. In the past, short-range sensors based on radar and laser technology have been capable of producing high-resolution maps in the immediate vicinity of the vehicle extending out to a few hundred metres at most. For path planning, and navigation applications where a vehicle must traverse many kilometres of unstructured terrain, a sensor capable of imaging out to at least 3km is required to permit mid and long-range motion planning. This thesis addresses this need by describing the development a high-resolution interrupted frequency modulated continuous wave (FMICW) radar operating at 94GHz. The contributions of this thesis include a comprehensive analysis of both FMCW and FMICW processes leading to an effective implementation of a radar prototype which is capable of producing high-resolution reflectivity images of the ground at low grazing angles. A number of techniques are described that use these images and some a priori knowledge of the area, for both feature and image based navigation. It is shown that sub-pixel registration accuracies can be achieved to achieve navigation accuracies from a single image that are superior to those available from GPS. For a ground vehicle to traverse unknown terrain effectively, it must select an appropriate path from as long a range as possible. This thesis describes a technique to use the reflectivity maps generated by the radar to plan a path up to 3km long over rough terrain. It makes the assumption that any change in the reflectivity characteristics of the terrain being traversed should be avoided if possible, and so, uses a modified form of the gradient-descent algorithm to plan a path to achieve this. The millimetre wave radar described here will improve the performance of autonomous vehicles by extending the range of their high-resolution sensing capability by an order of magnitude to 3km. This will in turn enable significantly enhanced capability and wider future application for these systems.
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Brooker, Graham Michael. "Long-Range Imaging Radar for Autonomous Navigation." University of Sydney. Aerospace, Mechanical and Mechatronic Engineering, 2005. http://hdl.handle.net/2123/658.

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This thesis describes the theoretical and practical implementation of a long-range high-resolution millimetre wave imaging radar system to aid with the navigation and guidance of both airborne and ground-based autonomous vehicles. To achieve true autonomy, a vehicle must be able to sense its environment, comprehensively, over a broad range of scales. Objects in the immediate vicinity of the vehicle must be classified at high resolution to ensure that the vehicle can traverse the terrain. At slightly longer ranges, individual features such as trees and low branches must be resolved to allow for short-range path planning. At long range, general terrain characteristics must be known so that the vehicle can plan around difficult or impassable obstructions. Finally, at the largest scale, the vehicle must be aware of the direction to its objective. In the past, short-range sensors based on radar and laser technology have been capable of producing high-resolution maps in the immediate vicinity of the vehicle extending out to a few hundred metres at most. For path planning, and navigation applications where a vehicle must traverse many kilometres of unstructured terrain, a sensor capable of imaging out to at least 3km is required to permit mid and long-range motion planning. This thesis addresses this need by describing the development a high-resolution interrupted frequency modulated continuous wave (FMICW) radar operating at 94GHz. The contributions of this thesis include a comprehensive analysis of both FMCW and FMICW processes leading to an effective implementation of a radar prototype which is capable of producing high-resolution reflectivity images of the ground at low grazing angles. A number of techniques are described that use these images and some a priori knowledge of the area, for both feature and image based navigation. It is shown that sub-pixel registration accuracies can be achieved to achieve navigation accuracies from a single image that are superior to those available from GPS. For a ground vehicle to traverse unknown terrain effectively, it must select an appropriate path from as long a range as possible. This thesis describes a technique to use the reflectivity maps generated by the radar to plan a path up to 3km long over rough terrain. It makes the assumption that any change in the reflectivity characteristics of the terrain being traversed should be avoided if possible, and so, uses a modified form of the gradient-descent algorithm to plan a path to achieve this. The millimetre wave radar described here will improve the performance of autonomous vehicles by extending the range of their high-resolution sensing capability by an order of magnitude to 3km. This will in turn enable significantly enhanced capability and wider future application for these systems.
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Cassidy, Scott L. "Millimetre-wave FMCW radar for remote sensing and security applications." Thesis, University of St Andrews, 2015. http://hdl.handle.net/10023/7856.

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This thesis presents a body of work on the theme of millimetre-wave FMCW radar, for the purposes of security screening and remote sensing. First, the development of an optimised software radar signal processor will be outlined. Through use of threading and GPU acceleration, high data processing rates were achieved using standard PC hardware. The flexibility of this approach, compared to specialised hardware (e.g. DSP, FPGA etc…), allowed the processor to be rapidly adapted and has produced a significant performance increase in a number of advanced real-time radar systems. An efficient tracker was developed and was successfully deployed in live trials for the purpose of real-time wave detection in an autonomous boat control system. Automated radar operation and remote data telemetry functions were implemented in a terrain mapping radar to allow continuous monitoring of the Soufrière Hills volcano on the Caribbean island of Montserrat. This work concluded with the installation of the system 3 km from the volcano. Hardware modifications were made to enable coherent measurement in a number of existing radar systems, allowing phase sensitive measurements, including range-Doppler, to be performed. Sensitivity to displacements of less than 200 nm was demonstrated, which is limited by the phase noise of the system. Efficient compensation techniques are presented which correct for quadrature mixer imbalance, FMCW chirp non-linearity, and scanner drive distortions. In collaboration with the Home Office, two radar systems were evaluated for the stand-off detection of concealed objects. Automatic detection capability, based on polarimetric signatures, was developed using data gathered under controlled conditions. Algorithm performance was assessed through blind testing across a statistically significant number of subjects. A detailed analysis is presented, which evaluates the effect of clothing and object type on detection efficiency.
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Conference papers on the topic "Millimetre wave radar;imaging;navigation"

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Wanielik, G., N. Appenrodt, H. Neef, R. Schneider, and J. Wenger. "Polarimetric millimeter wave imaging radar and traffic scene interpretation." In IEE Colloquium on Automotive Radar and Navigation Techniques. IEE, 1998. http://dx.doi.org/10.1049/ic:19980190.

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Fukunaga, K., Y. Kohdzuma, M. Picollo, E. Giovenale, A. Doria, and G. P. Gallerano. "Terahertz and millimetre wave imaging for wall painting investigation." In 2014 European Radar Conference (EuRAD). IEEE, 2014. http://dx.doi.org/10.1109/eurad.2014.6991314.

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Zhang Xuejing, Ma Long, Chen He, and Yang Jing. "Target tracking with infrared imaging and millimetre-wave radar sensor." In IET International Radar Conference 2013. Institution of Engineering and Technology, 2013. http://dx.doi.org/10.1049/cp.2013.0291.

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Albuquerque, Daniel F., Edgar S. Goncalves, Eurico F. Pedrosa, Francisco C. Teixeira, and Jose N. Vieira. "Robot Self Position based on Asynchronous Millimetre Wave Radar Interference." In 2019 International Conference on Indoor Positioning and Indoor Navigation (IPIN). IEEE, 2019. http://dx.doi.org/10.1109/ipin.2019.8911809.

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Essen, Helmut, Manfred Hagelen, Winfried Johannes, Rainer Sommer, Alfred Wahlen, Michael Schlechtweg, and Axel Tessmann. "High resolution millimetre wave measurement radars for ground based SAR and ISAR imaging." In 2008 IEEE Radar Conference (RADAR). IEEE, 2008. http://dx.doi.org/10.1109/radar.2008.4721023.

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Grajal, J., B. Mencia-Oliva, O. A. Yeste-Ojeda, A. F. Garcia-Fernandez, and G. Rubio-Cidre. "A prototype of High Resolution ISAR imaging system at millimetre-wave band." In 2011 IEEE CIE International Conference on Radar (Radar). IEEE, 2011. http://dx.doi.org/10.1109/cie-radar.2011.6159600.

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Robertson, D. A., S. L. Cassidy, D. G. Macfarlane, N. Llombart, E. Gandini, and T. Bryllert. "Submillimetre wave 3D imaging radar for security applications." In IET Colloquium on Millimetre-Wave and Terahertz Engineering [amp ] Technology 2016. Institution of Engineering and Technology, 2016. http://dx.doi.org/10.1049/ic.2016.0014.

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Wang, Kaiwei, Ruiqi Cheng, Kailun Yang, Jian Bai, and Ningbo Long. "Fusion of millimeter wave radar and RGB-depth sensors for assisted navigation of the visually impaired." In Millimetre Wave and Terahertz Sensors and Technology, edited by Neil A. Salmon and Frank Gumbmann. SPIE, 2018. http://dx.doi.org/10.1117/12.2324626.

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Gumbmann, Frank, Hue Phat Tran, Jochen Weinzierl, and Lorenz-Peter Schmidt. "Optimization of a fast scanning millimetre-wave short range SAR imaging system." In 2007 European Radar Conference. IEEE, 2007. http://dx.doi.org/10.1109/eurad.2007.4404927.

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Skouroliakou, Vasiliki, Amir Masoud Molaei, Vincent Fusco, and Okan Yurduseven. "Real-time Radar Algorithms for Multistatic Millimetre-wave Imaging with Sparse Apertures." In 2022 23rd International Radar Symposium (IRS). IEEE, 2022. http://dx.doi.org/10.23919/irs54158.2022.9905067.

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Reports on the topic "Millimetre wave radar;imaging;navigation"

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Coastal Lidar And Radar Imaging System (CLARIS) mobile terrestrial lidar survey along the Outer Banks, North Carolina in Currituck and Dare counties. Coastal and Hydraulics Laboratory (U.S.), January 2020. http://dx.doi.org/10.21079/11681/39419.

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The Coastal Observation and Analysis Branch (COAB) located at the Field Research Facility (FRF) conducts quarterly surveys and post-storm surveys along up to 60 kilometers of coastline within the vicinity of the FRF to assess, evaluate, and provide updated observations of the morphology of the foreshore and dune system. The surveys are conducted using a mobile terrestrial LiDAR scanner coupled with an Inertial Navigation System (INS). Traditionally the surveys coincide with a low tide, exposing the widest swath of visible sediment to the scanner as well as enough wind-sea swell or texture to induce wave breaking upon the interior sandbars. The wave field is measured with X-Band radar which records a spatial time series of wave direction and speed. Data for the survey region was collected using the VZ-2000's mobile, 3D scanning mode where the scanner continuously rotates the line scan 360 degrees as the vehicle progresses forward. Elevation measurements are acquired on all sides of the vehicle except for the topography directly underneath the vehicle. As the vehicle moves forward, the next rotation will capture the previous position's occluded data area. Laser data is acquired in mobile 3D radar mode with a pulse repetition rate of 300kHz, theta resolution of 0.19 degrees and phi resolution of 0.625 degrees. Horizontal Datum NAD83(2011), Projection North Carolina State Plane (3200) meters; Vertical Datum NAVD88, meters with geoid09 applied.
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Coastal Lidar And Radar Imaging System (CLARIS) mobile terrestrial lidar survey along the Outer Banks, North Carolina in Currituck and Dare counties. Coastal and Hydraulics Laboratory (U.S.), January 2020. http://dx.doi.org/10.21079/11681/39419.

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The Coastal Observation and Analysis Branch (COAB) located at the Field Research Facility (FRF) conducts quarterly surveys and post-storm surveys along up to 60 kilometers of coastline within the vicinity of the FRF to assess, evaluate, and provide updated observations of the morphology of the foreshore and dune system. The surveys are conducted using a mobile terrestrial LiDAR scanner coupled with an Inertial Navigation System (INS). Traditionally the surveys coincide with a low tide, exposing the widest swath of visible sediment to the scanner as well as enough wind-sea swell or texture to induce wave breaking upon the interior sandbars. The wave field is measured with X-Band radar which records a spatial time series of wave direction and speed. Data for the survey region was collected using the VZ-2000's mobile, 3D scanning mode where the scanner continuously rotates the line scan 360 degrees as the vehicle progresses forward. Elevation measurements are acquired on all sides of the vehicle except for the topography directly underneath the vehicle. As the vehicle moves forward, the next rotation will capture the previous position's occluded data area. Laser data is acquired in mobile 3D radar mode with a pulse repetition rate of 300kHz, theta resolution of 0.19 degrees and phi resolution of 0.625 degrees. Horizontal Datum NAD83(2011), Projection North Carolina State Plane (3200) meters; Vertical Datum NAVD88, meters with geoid09 applied.
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