Electromagnetic pulse

the order of red, orange, yellow, green, blue, indigo, and violet, shortly referred to as ROYGBIV, from top to bottom and appear in this order because of their wavelengths, which vary from 400 nm (nanometre or 10-9 m) to 700 nm as shown in the electromagnetic spectrum. In a primary rainbow, which is when light reflects a single time within the water droplet, red appears at the top of the rainbow because it has the longest wavelength, which is 700 nm, and is refracted the least when white light…

What is the photon detection efficiency (PDE) of a SiPM? Photon detection efficiency (PDE) refers to the probability that a photon arriving on the SiPM surface is detected, an initiates the process of current pulse generation. PDE is a function of the overvoltage ΔV across the terminals of the APD and wavelength λ of the incident photon. Photon detection efficiency is one of the most important characteristics of a SiPM. PDE is the product of three factors :- Geometrical fill factor (FF), Quantum…

1920*1080 pixels (width*height), an array of 4 microphones and some electronics for signal elaboration. The camera is able to acquire images at a maximum frequency of 30 Hz. Sending out invisible structures pulses into the scene whilst measuring the individual traveling time of each point in the pulse (See figure 3.1, page 16). The operating field is defined by a depth range of 0.5m-4.5m and a 70- degrees horizontal and 60-degrees vertical view angle (Corti, Giancola, Mainetti, and Sala, 2016).…

The FT-Raman and FT-IR spectroscopic analysis of 2'-nitroacetophenone (2NAP) were performed. The vibrational spectra of 2NAP was found by applying the Density Functional Theory Calculations based on Beck3-lee-yang-parr (B3LYP) level with the use of the standard 6-31G*/6-311+G** basis set. The vibrational wave number for the optimized geometry was calculated at the same level of theory. The computed values of frequencies are scaled using an appropriate scale factor to give up the excellent unity…

3. Results and discussion 3.1. XRD analysis The X-ray diffraction (XRD) pattern of Sn-substituted Ni-Zn ferrites with the chemical composition of Ni0.6-x/2Zn0.4-x/2SnxFe2O4 (NZSFO) are shown in Fig. 1. The XRD spectra were indexed and fcc cubic phase was identified. The structural parameters are calculated from the XRD data and have been discussed in Ali et al [6]. The lattice constants are calculated from the XRD data and represented in Table 1. The distances between the magnetic ions at…

A wave is a disturbance of energy. Sound and light are both disturbances in energy, and they both travel in the forms of waves. While sound travels in a longitudinal wave, light travels through a transverse wave. From a perspective of a human, sound and light on earth is very different compared to sound and light in space. These waves have differences in speed, form, shape, and other properties. Despite many of the differences, sound and light are very similar to each other. Light is a…

Keep batteries stored in LiPo-safe bags. How will you flow between the activities? Start with a whole group safety briefing and watch the Droneology videos all together on the projector. Break into teams to build, then come back together in P2 to talk through flight dynamics and essential terminology. Split to individual computers to take the Lesson 2 Quiz in C1. Come back together to watch the next batch of videos in C2 and end with a review of safety procedures in the DP. What does FPV stand…

Conclusion Through burning varied solutions in a flame the information that is found becomes very useful. While burning any solution in a flame it produces a flame on the visible line spectrum. This flame color allows for a brief understanding of the energy the solutions possess. The least energy in the visible light spectrum is the color red and the most energy is violet. According to the data found in the experiment we come to the conclusion that the least energy is Lithium Nitrate due to…

INTRODUCTION Millimeter wave therapy is the exposure to a frequency that ranges from 30-300 GHz. This frequency is located in the radio frequency region of the electromagnetic spectrum. Due to the extremely small wavelength the frequency will only penetrate up to 2 mm of skin. In therapy the frequency is irradiated on certain parts of the tissue, depending on the specific treatment and energy it is deposited in the skin causing a variety of beneficial reactions. In the Former Soviet Union (FSU)…

Spectroscopy is the study of objects, which is represented on the spectrum of color they radiate. An interaction of electromagnetic radiation with matter. Spectroscopy involves the process of absorption, emission, or scattering of electromagnetic radiation by either ions, atoms, or molecules. The process of absorption involves when light is absorbed by electrons that jump to higher energy levels. On the other hand, emission spectra are established when the electrons from high energy levels give…