ResearchonApplyingReflectedWaveEnergyandAmplitudeto ExplainingCoalseamThickness LIFei 1 ,BAOHuaiwei 2 ,WANGJing 2 (1畅YongchengCoal&PowerHoldingCo畅,Ltd畅,Yongcheng476600,China; 2畅GeophysicalSurveyingParty,ShandongProvincialCoalfieldGeologyBureau,Taian271021,China) Abstract:Onthebasisofseismicgeologymodelandtheo...
In a seismic exploration embodiment (Fig. 6), virtual point sources are produced below subsurface horizons such as RR1 by reflection of energy from constant frequency vibrator 1. Each point source produces at the surface a respective instantaneous amplitude pattern comprising concentric rings and ...
Explore waves and wave energy. Understand how the energy a wave carries is related to its amplitude. Examine characteristics of high energy waves.
natural philosophy,physics- the science of matter and energy and their interactions; "his favorite subject was physics" shift,displacement- an event in which something is displaced without rotation 2. amplitude- the property of copious abundance ...
In this paper the influence of quantization noise on the amplitude estimation of a sine wave by energy-based method is investigated. A condition for the number of acquired samples is derived to ensure that the absolute amplitude error due to the quantization noise is smaller than a desired value...
aThe seismic wave energy associated with the blast induced ground vibration decreases with distances due to decay of both the amplitude and the frequency of vibration. 地波能量联合疾风导致的土地振动减退以距离由于高度和振动频率朽烂。[translate]
All waves have three characteristics in common: amplitude, wavelength, and frequency. Waves can be reflected (bounced off a surface), refracted (bent by passage through another medium), and diffracted (spread out after passing through a small gap). They can also interfere with each other. Whate...
The energy-based method (EBM) can be used to estimate the amplitude of a sine-wave either directly from Discrete Fourier Transform (DFT) samples or indirectly. In this paper the accuracies achieved with both these approaches are compared when some of the most commonly used cosine class windows...
Why, in terms of work and energy, did you have to push on the pendulum string as it was moving away from you in order to maintain a large amplitude? Explain the work energy theorem. What is mean by electric constant? Explain including equation. If matter has a wave nature, why is thi...
the amplitude of the swing is the greatest distance reached to either side of the central rest position. Amplitude is important in the description of awavephenomenon such as light or sound. In general, the greater the amplitude of the wave, the more energy it transmits (e.g., a brighter...