Echo Delay and Overlap with Emitted Orientation Sounds and Doppler-shift Compensation in the Bat, Rhinolophus ferrumequinum [PDF]
, 1977 The compensation of Doppler-shifts by the bat, Rhinolophusferrumequinum, functions only when certain temporal relations between the echo and the emitted orientation sound are given. Three echo configurations were used: a) Original orientation sounds were
Schuller, Gerd
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Innovative Multi-Target Estimating with Clutter-Suppression Technique for Pulsed Radar Systems
Sensors, 2020 Linear frequency modulation (LFM) waveforms have high Doppler-shift endurance because of the relative wide modulation bandwidth to the Doppler variation. The Doppler shift of the moving objects, nevertheless, constantly introduces obscure detection range
Jo-Yen Nieh, Yuan-Pin Cheng
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Doppler-shift oscillations in solar spicules [PDF]
Astronomy & Astrophysics, 2007 Consecutive height series of Ha spectra in solar limb spicules taken on the 53 cm coronagraph of Abastumani Astrophysical Observatory at the heights of 3800-8700 km above the photosphere have been analyzed. The aim is to observe oscillatory phenomena in spicules and consequently to trace wave propagations through the chromosphere.
Zaqarashvili, T. V. +3 more
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A Novel Waveform Design Method for Shift-Frequency Jamming Confirmation
International Journal of Antennas and Propagation, 2018 Shift-frequency jamming is generally used to form range false targets for ground-based early-warning radar systems; the frequency shift value of such interference is larger than the Doppler shift value of the moving target, and the key element to ...
Chang Zhou, Zhen-Bo Zhu, Zi-Yue Tang
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Rancang Bangun Doppler X-Band Speed Detector untuk Kendaraan Roda Dua pada Jalan Kelas IIIC
Jurnal Elkomika, 2023 ABSTRAK Jalan kelas IIIC memiliki struktur yang lebih sempit dan biasanya dibangun didekat permukiman penduduk untuk penggunaan pejalan kaki. Selain pejalan kaki, kendaraan motor roda dua juga dapat mempergunakaan jalan tersebut.
TEGUH FIRMANSYAH +6 more
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Einstein Shift and Doppler Shift [PDF]
Nature, 1926 IN answer to Sir Oliver Lodge's question (NATURE, December 26, p. 938), it depends on our point of view whether the Einstein shift is considered to be imposed on the light at its origin or in course of transit to us. We cannot state the frequency of the ether vibrations without presupposing a system of time-reckoning, and in the non-Euclidean region ...
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Laryngeal Nerve Activity During Pulse Emission in the CF-FM Bat, Rhinolophus ferrumequinum. I. Superior Laryngeal Nerve (External Motor Branch) [PDF]
, 1981 The activity of the external (motor) branch of the superior laryngeal nerve (SLN), innervating the cricothyroid muscle, was recorded in the greater horseshoe bat,Rhinolophus ferrumequinum.
Rübsamen, R., Schuller, Gerd
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Comparison of methods for turbulence Doppler frequency shift calculation in Doppler reflectometer
, 2023 International audienceAbstract The Doppler reflectometer (DR), a powerful diagnostic for the plasma perpendicular velocity ( u ⊥ ) and turbulence measurement, has been widely used in various fusion devices.
Feng, Xi +18 more
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Evaluating the effectiveness of Doppler frequency shift determination using pilots in broadband transmission [PDF]
International Journal of Electronics and TelecommunicationsIn underwater communications, reciprocal motion between transmitter and receiver has a significant impact on reception quality. In orthogonal broadband systems that provide high bit rates, this problem becomes more important, especially in the higher ...
Agnieszka Czapiewska +4 more
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IEEE Journal of Selected Topics in Applied Earth Observations and Remote SensingThis study numerically investigates the spatial ergodicity of Doppler characteristics in polarimetric ocean radar scattering. The full Apel wave spectrum is employed to generate 2-D time-varying sea surfaces that involve all dominant large-scale gravity ...
Jianing Shao +5 more
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