electromagnetic signals
An attempt to delineate very low frequency electromagnetic signals associated with earthquakes
... of electromagnetic field variations are different between our observation and those made by Warwick et ...which electromagnetic signals from fractured rocks are in frequency ranges closer to the VLF ...
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Correlation of pre-earthquake electromagnetic signals with laboratory and field rock experiments
... A number of papers have reported various electromagnetic signals being detected prior to large earthquakes. These in- clude the M7.0 Loma Prieta, Ca. quake in 1989 (Fraser- Smith, 1990, 1991), Izu Islands ...
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Ionospheric influence on the seismo-telluric current related to electromagnetic signals observed before the Wenchuan 8.0 earthquake
... the electromagnetic information associated with seismic activi- ...that electromagnetic signals are always recorded when rock samples are subjected to dynamic ...Shorter-period electromagnetic ...
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Non-inductive components of electromagnetic signals associated with L’Aquila earthquake sequences estimated by means of inter-station impulse response functions
... seismogenic signals measured at L’Aquila station efficiently because the spatial gradient be- tween AQU and DUR is of the same order of magnitude as the signal of internal ...noise signals is of the order ...
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Electromagnetic signals related to incidence of a teleseismic body wave into a subsurface piezoelectric body
... EM signals related to ...EM signals on the basis of certain mechanisms other than piezomagnetism with re- alistic models of the space have not been well ...
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Numerical simulations to explain the coseismic electromagnetic signals: a case study for a M5 4 aftershock of the 2016 Kumamoto earthquake
... EM signals (Ren et ...EM signals (Zhang et ...EM signals are considered just localized EM fields, which refer to the local response to relative fluid-to-solid motions induced by seismic arrivals in ...
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A Fermi Gamma-Ray Burst Monitor search for electromagnetic signals coincident with gravitational-wave candidates in Advanced LIGO's first observing run
... There are currently three distinct searches used on GBM data in the joint analysis of GW sources: the onboard triggering algorithm for automatic detection of strong GRBs ( Meegan et al. 2009; von Kienlin et al. 2014; ...
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Magnetic and Electromagnetic signals related to tectonic activity: updates and new analyses on measurements in Central Italy
... natural signals in VLF band are moni- tored in L’Aquila observatory by means of two search coil wide band antennas, operating in the range 15–40 ...ficial electromagnetic noise; in the frequency band of ...
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Strong influence of solar X ray flares on low frequency electromagnetic signals in middle latitudes
... Abstract. In this paper we analysed sudden phase anoma- lies (SPAs) of VLF–LF signals recorded at Graz (Austria), Birr (Ireland) and Moscow (Russia) stations during two strong solar flares in September 2017. The ...
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Boundary Induced Inductive Delay in Transmission of Electromagnetic Signals
... When high-speed devices, e.g., HEMTs, are operated in the frequency range of 0.5 - 1 THz [1,2,4,16], for in- stance, its characteristic response time is 1 - 2 picosec- onds (ps). In a system consisting of many individual ...
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Design and Development of an Electronic Sensor to Detect and Measure Curvature of Spaces Using Curvature Energy
... fine electromagnetic signals to measure observables of other fields like curvature and torsion of a space, and the corresponding value of their integrals of the action of perception of curvature through ...
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The results of experimental studies of VLF–ULF electromagnetic emission by rock samples due to mechanical action
... on electromagnetic emissions excitation (the electric component of electromagnetic fields) by rock samples due to different forms of mechanical stress ...of signals, generated by rock samples, change ...
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Intentional Electromagnetic Interferences In Communication Devices
... of electromagnetic energy of signals for the purpose of disrupting the electromagnetic signals of another ...of signals typically requires the use of a high-power transmitter which ...
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Ionospheric effects of earthquakes in Japan in March 2011 obtained from observations of lightning electromagnetic radio signals
... Abstract. Manifestations of disturbances in the lower iono- sphere caused by a complex series of earthquakes (the strong earthquakes with M = 7.3 and M = 9 – known as M9 To- hoku EQ – and the subsequent aftershocks) that ...
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Study on the Characteristics of LFM Signals, BC Signals and Their Mixed Modulation Signals
... LFM and BC signal from the aspects of the time characteristic and frequency characteristic, fuzzy functions, pulse compression and Doppler characteristics, low intercepting characteristics, in order to verify the ...
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EC2204-Signals-And-Systems-Lecture-Notes
... where T is the operator representing some well-defined rule by which x is transformed into y. Relationship (1.60) is depicted as shown in Fig. 1-14(a). Multiple input and/or output signals are possible as shown in ...
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INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & MANAGEMENT BASIC DIAGRAM AND PRACTICAL ALGORITHM REMOVING DENTS ON THE BODY OF VEHICLE BY THE PULSED ELECTROMAGNETIC ATTRACTION Yuriy Victor Batygin*, Andrey Victor Gnatov
... the electromagnetic attraction process ( this is a development direction of the EMF technology!) which can deform thin-walled sheet metals and remove the dents on the covering body of the modern vehicles using low ...
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An algorithm for the enhancement of thermodilution signals
... The proposed algorithm uses a principle that is different from the ones used in previous works, combining both frequency domain and time domain techniques. This work presents the proposal and the test of a system that ...
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Electromagnetic Field Coupling to Large Antenna Structures
... The electromagnetic dimensional scaling [5, 6] is an effective approach to study the coupling of electromagnetic fields to large antenna structures, with less computation time and possibility of experimental ...
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