Results 111 to 120 of about 44,798 (233)

Empirical Comparison of Chirp and Multitones on Experimental UWB Software Defined Radar Prototype [PDF]

, 2012
This paper proposes and tests an approach for an unbiased study of radar waveforms' performances. Using the ultrawide band software defined radar prototype, the performances of Chirp and Multitones are compared in range profile and detection range.
Denoulet, J., Garda, P., Le Kernec, J., Romain, O.   +3 more
core  

RADAR ENVELOPE VISUALIZATION

, 2018
The Navy and Marine Corps cannot expect to always operate aircraft within permissive environments. Potential employment scenarios include operations against advanced surface-to-air missiles and early warning radars with detection ranges advertised beyond 200 nautical miles. Low-observable aircraft are not a panacea.
openaire   +1 more source

Sunset Bores Over the Southern North China Plain

Geophysical Research Letters, Volume 52, Issue 24, 28 December 2025.
Abstract This study examines the genesis of atmospheric bores near sunset and their role in initiating and maintaining late‐afternoon mesoscale convective systems (MCSs) over the Southern North China Plain. A key finding is that 20% of documented bore occur during the sunset period.
Shushi Zhang, Long Huang, David B. Parsons, Xin Xu, Hong Huang, Qiying Chen, Fanchao Lyu, Fen Xu, Gang Chen, Abuduwaili Abulikemu   +9 more
wiley   +1 more source

Atmospheric measurements over kwajalein using falling spheres [PDF]

Atmosphere measurements using falling spheres tracked by ...
Bonfanti, G., Hansen, W. H., Mc Watters, K. D., Peterson, J. W.   +3 more
core   +1 more source

Millimeter-wave joint radar and communication system based on photonic frequency-multiplying constant envelope LFM-OFDM

, 2022
Wenlin Bai, Peixuan Li, Xihua Zou, Zhengchun Zhou, Wei Pan, Lianshan Yan, Bin Luo, Xuming Fang, Lingming Jiang, Liang Chen   +9 more
openalex   +1 more source

Low cost tracking Navaids error model verification [PDF]

Features and characteristics of the tracking navaids (Microwave Scanning Beam Landing System, Radar Altimeter, Tacan, rendezvous radar and one way Doppler extracter) were investigated.
Charych, A., Frederick, R., Lovell, J., Tatz, A.   +3 more
core   +1 more source

Evaluating the Effectiveness of High-Frequency Ground-Penetrating Radar in Identifying Active Layer Thickness in the Da Xing’anling Mountains

Remote Sensing
Ground-penetrating radar (GPR), due to its efficiency and non-invasive nature, has become an important tool for detecting the permafrost table, overcoming the limited spatial coverage and high costs associated with drilling and in situ temperature ...
Lei Yang, Yunhu Shang, Changlei Dai, Yang Liu, Guoyu Li, Kai Gao, Yi Wu, Yiru Wei   +7 more
doaj   +1 more source

Rotor systems research aircraft airplane configuration flight-test results [PDF]

The rotor systems research aircraft (RSRA) has undergone ground and flight tests, primarily as a compound aircraft. The purpose was to train pilots and to check out and develop the design flight envelope.
Erickson, R. E., Painter, W. D.
core   +1 more source

Building Envelope Inversion by Data-driven Interpretation of Ground Penetrating Radar [PDF]

Ahmed Nirjhar Alam, Wesley Reinhart, Rebecca Napolitano   +2 more
openalex   +2 more sources

OMV mission simulator [PDF]

The Orbital Maneuvering Vehicle (OMV) will be remotely piloted during rendezvous, docking, or proximity operations with target spacecraft from a ground control console (GCC).
Cok, Keith E.
core   +1 more source