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electromagnetic pulse

An Improved TEM Antenna Designing Used in Electromagnetic Pulse Directed Radiation

An Improved TEM Antenna Designing Used in Electromagnetic Pulse Directed Radiation

... initial pulse. Sharpening device makes the initial pulse more ...satisfactory electromagnetic pulse radiation field. The electromagnetic pulse radiation field, called a transient ...

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A High Attenuation Electromagnetic Pulse Protector with Gdt, Mov and Parallel Coupled BPF on High Thermal Conductivity Substrates

A High Attenuation Electromagnetic Pulse Protector with Gdt, Mov and Parallel Coupled BPF on High Thermal Conductivity Substrates

... lightning electromagnetic pulse (LEMP) protection elements comprised of spark gap switches or gas discharge tube (GDT) [3, ...The electromagnetic pulse of a lightning or an EMP bomb has a much ...

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A Fast Equivalent Method for Modeling Electromagnetic Pulse Response of Cable Bundle Terminated in Arbitrary Loads

A Fast Equivalent Method for Modeling Electromagnetic Pulse Response of Cable Bundle Terminated in Arbitrary Loads

... With quick development of modern technology, electronic equipments are becoming more and more sensitive and vulnerable to threats from high altitude electromagnetic pulse (HEMP) [1–4]. HEMP is characterized ...

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A New Method for Calculating Transient Electromagnetic Responses of AC/DC Power System with External Electromagnetic Pulse Interference

A New Method for Calculating Transient Electromagnetic Responses of AC/DC Power System with External Electromagnetic Pulse Interference

... transient electromagnetic responses of AC/DC power system with external electromagnetic pulse interference is ...external electromagnetic pulse on the system, the field-to-line coupling ...

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Simulation of High-Altitude Electromagnetic Pulse (HEMP) Above Sea Surface

Simulation of High-Altitude Electromagnetic Pulse (HEMP) Above Sea Surface

... Abstract—High-altitude electromagnetic pulse (HEMP) radiated from both primary and secondary currents, which are induced by a nuclear explosion, is computed by using the Jefimenko’s ...and pulse ...

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Quantized Energy Momentum and Wave for an Electromagnetic Pulse—A Single Photon inside Negative Refractive Indexed Media

Quantized Energy Momentum and Wave for an Electromagnetic Pulse—A Single Photon inside Negative Refractive Indexed Media

... an electromagnetic pulse (a single photon) as it enters NRM region, from free ...netic pulse is formed as modulation of slowly varying message signal wave with a carrier frequency signal wave, and ...

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Confidence Level of High-Altitude Electromagnetic Pulse Field Tests

Confidence Level of High-Altitude Electromagnetic Pulse Field Tests

... Abstract—High-altitude electromagnetic pulse (HEMP) field tests are conducted in the working volume of HEMP simulators to verify the hardness or HEMP survivability of the systems under ...

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Simulation of SAR Under Ultra-Wide Band Electromagnetic Pulse in Human Tissue

Simulation of SAR Under Ultra-Wide Band Electromagnetic Pulse in Human Tissue

... UWB electromagnetic pulses have ...UWB electromagnetic pulses [4]. An electromagnetic pulse has a greater destructive effect on biological cells than continuous ...of electromagnetic ...

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Resolution of Multiple Concealed Threat Objects Using Electromagnetic Pulse Induction

Resolution of Multiple Concealed Threat Objects Using Electromagnetic Pulse Induction

... Pulse Induction techniques for the detection and identification of metallic objects have been reported and studied as a possible method for concealed weapon detection [1–7], both on the human body and in carried ...

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Design, Modeling & Simulation of Analysis of coupling to Cables due to Electromagnetic Pulse (EMP)

Design, Modeling & Simulation of Analysis of coupling to Cables due to Electromagnetic Pulse (EMP)

... An electromagnetic pulse is a short burst of electromagnetic ...intense electromagnetic pulse (EMP) over extensive portions of the earth’s ...

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Original Article Electromagnetic pulse radiate impairs reproductive function in young male mice

Original Article Electromagnetic pulse radiate impairs reproductive function in young male mice

... of electromagnetic radiation on reproductive function in adults, but the effects during puberty are less ...of electromagnetic pulse (EMP) radiation on fertility and sex hormone concentration in ...

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Electromagnetic Pulse Coupling inside a Rectangular Enclosure with an Aperture

Electromagnetic Pulse Coupling inside a Rectangular Enclosure with an Aperture

... the electromagnetic pulse (EMP) cou- pled inside a shielding box with an ...different electromagnetic pulses regarding to different rise time and fall time have been ...

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Effect of the Welding Parameters on the Structural and Mechanical Properties of Aluminium and Copper Sheet Joints by Electromagnetic Pulse Welding

Effect of the Welding Parameters on the Structural and Mechanical Properties of Aluminium and Copper Sheet Joints by Electromagnetic Pulse Welding

... Electromagnetic pulse welding is an innovative solid-state welding technology that belongs to the group of pressure welding processes, since it uses electromagnetic forces for the deformation and ...

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A Study of Electromagnetic Pulse Based Weapon Systems

A Study of Electromagnetic Pulse Based Weapon Systems

... The Electromagnetic Pulse (EMP) effect was first observed during the early testing of high altitude airburst nuclear ...intense electromagnetic pulse, which propagates away from its source ...

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Design, Modelling & Simulation Analysis of   Electromagnetic Pulse (EMP) Coupling to Microstrip

Design, Modelling & Simulation Analysis of Electromagnetic Pulse (EMP) Coupling to Microstrip

... Gamma rays represent about 1/1000th of the total bomb energy and are emitted within ten billionths of a second. The amount of gamma emitted by a one- megaton detonation is about 4 X 1012 Joules. The gamma rays, by a ...

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Near-Ground Transient Field of a High-Altitude Electromagnetic Pulse (HEMP) Considering Nonlinear Air Conductivity and Ground Reflection

Near-Ground Transient Field of a High-Altitude Electromagnetic Pulse (HEMP) Considering Nonlinear Air Conductivity and Ground Reflection

... Abstract—Transient field of a high-altitude electromagnetic pulse (HEMP) induced near ground is simulated, of which the ground reflection can not be neglected. The Jefimenko’s equation is applied to compute ...

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Ultrashort electromagnetic pulse control of intersubband quantum well transitions

Ultrashort electromagnetic pulse control of intersubband quantum well transitions

... of electromagnetic fields with intersubband transitions in semiconductor quantum wells has led to the experimental observation of sev- eral interesting and potentially useful effects, such as tunneling-induced ...

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Electromagnetic Pulse Propagation Over Nonuniform Earth Surface: 
Numerical Simulation

Electromagnetic Pulse Propagation Over Nonuniform Earth Surface: Numerical Simulation

... Here, a seeming contradiction may arise, as the spectral maximum of f (s) can lie in the vicinity of zero frequency, not described by PE (4). As a matter of fact, at small distances from the wave front s =)(Λ) the main ...

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Calibration of Time-Domain Transfer Function for UWB Antennas Based on Antennas Factors in Frequency Domain

Calibration of Time-Domain Transfer Function for UWB Antennas Based on Antennas Factors in Frequency Domain

... an electromagnetic pulse under test can be reconstructed more accurately than the standard field method, in which only the magnitude information, the transfer factor, is ...

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Electromagnetic Field Coupling to Large Antenna Structures

Electromagnetic Field Coupling to Large Antenna Structures

... of electromagnetic field coupling to an electrically large structure is essential, in order to assess the degree of protection to be provided to harden the electronic or electrical system of interest, against ...

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