Results 141 to 150 of about 157,315 (201)

Correction: Non-constraining and non-contact monitoring of respiratory rate at awake and apnea and hypopnea during sleep using a millimeter wave radar. [PDF]

Sleep Biol Rhythms
Kazuo C, Shigeaki O, Daisuke E, Kazuma N, Tatsuya I, Kimihiko M, Hironobu S, Mamiko H, Hisato H, Yutaka K, Susumu S, Toyohiro H, Yasuhiro G, Takuya S, Hirofumi T, Toshiki A.   +15 more
europepmc   +1 more source

Histological and inflammatory effects of 26.5 GHz quasi-millimeter wave exposure on rat skin. [PDF]

Front Public Health
Ijima E, Nagai A, Li K, Hikage T, Kamizawa N, Hidaka E, Tsuruta Y, Ishitake T, Masuda H.   +8 more
europepmc   +1 more source

S2DB-mmWave YOLOv8n: Multi-object detection for millimeter-wave radar using YOLOv8n with optimized multi-scale features. [PDF]

PLoS One
Yuan M, Yuan Y, Zhang X, Zhu Z, Zhao C, Gao X, Du G.   +6 more
europepmc   +1 more source

Defected ground structure antenna array with metasurface inspired interlinked CSRR for 5G millimeter wave applications. [PDF]

Sci Rep
Ali EM, Alibakhshikenari M, Elmunim NA, Virdee BS, Rashid N, Mariyanayagam D, Chaudhary MA, Abbasi NA, Livreri P, Saber T.   +9 more
europepmc   +1 more source

A metasurface assisted pin loaded antenna for high gain millimeter wave systems. [PDF]

Sci Rep
Tariq S, Sethi WT, Rahim AA, Faisal F, Djerafi T.   +4 more
europepmc   +1 more source

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Diplexing Millimeter Waves

International Journal of Infrared and Millimeter Waves, 1998
The paper describes a band-splitting filter or diplexer, which splits the incoming spectrum into the sub-bands 120-139 GHz and 141-158 GHz. This diplexer is intended to separate the electron cyclotron emission of a magnetically confined plasma into two subbands and to feed two independent heterodyne radiometers.
Geist, T., Siart, T.
openaire   +3 more sources

Millimeter-wave-detected, millimeter-wave optical polarization spectroscopy

The Journal of Chemical Physics, 2005
We report a new form of microwave optical double-resonance spectroscopy called millimeter-wave-detected, millimeter-wave optical polarization spectroscopy (mmOPS). In contrast to other forms of polarization spectroscopy, in which the polarization rotation of optical beams is detected, the mmOPS technique is based on the polarization rotation of ...
Adam H, Steeves, Hans A, Bechtel, Stephen L, Coy, Robert W, Field   +3 more
openaire   +2 more sources

Laser-Millimeter Wave Techniques

Applied Optics, 1971
The use of millimeter techniques with lasers has resulted in the stabilization of a laser to an absolute frequency standard. Also, a high resolution infrared spectrometer with the characteristics of a microwave spectrometer has been developed.
V J, Corcoran, W T, Smith
openaire   +2 more sources

Millimeter-Wave Imaging Sensor

SPIE Proceedings, 1986
A dual polarized 3-mm radiometer system, with a mechanically scanned antenna, has been built for use on a small aircraft or RPV to produce near real-time moderate resolution (0.5°) images of the ground. One of the main advantages of this passive imaging sensor is that it is able to provide surveillance information through clouds, smoke, and dust when ...
William J. Wilson, Anthony C. Ibbott, Gary S. Parks, William B. Ricketts   +3 more
openaire   +1 more source