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    be hidden in significant biological noise and (2) the multiplier on the probe expresses the amount of division applied to the input signal, while the multiplier on the oscilloscope expressed the amount of multiplication applied to the input from the probe; thus, the experimenters reasoned that the least amount of signal information would be lost with the conjunction of no division and 10 fold multiplication. The experimenters then considered the data exhibited in Figure 1. The experimenters concluded from the qualitative observations of the graph and the curve fits of each set of data that the voltage output range was independent of the frequency of the signal being produced. The experimenters then continued analyzing the aspects of the oscilloscope by considering the Bode plots of the AC- and the DC-coupled voltage output at various frequency as indicated in Figure 2. The experimenters believed the plots were reasonable Bode plots because the AC-coupled measurements are designed to accurately describe time-dependent signals, whereas DC-coupled measurements are designed to measure everything unselectively. As such optimizations are present, the AC should effectively express time-dependent signals, but does not effectively express signals that have no time dependence (i.e., DC offset). Thus, the experimenters reasoned that the AC-coupling plot should exhibit high-pass filter characteristics. On the other hand, because DC is designed to obtain the entirety of the signal, the…

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    The motion in the fastening reason for the unit might be supervised with vibration pickup and examined to determine the spectrum. These details may then be employed to set the shaker drive signal to proper spectrum shape and level. The best approach would be to arrange the machine to watch and control the amount instantly. The three functional limitations to the performance of electrodynamic shaker are displacement, velocity and acceleration. Shaker is operated by displacement at the lowest…

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    Polarization In Antenna

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    Polarization in Antenna Polarization is the basic thing used in transmission antennas for the propagation and reception of the signals. As we know that antenna emits electromagnetic waves in the space for the communication purposes. These two types of waves as depicted by the name Electro-Magnetic is a combination of electrical and magnetics fields. These two waves are mutually orthogonal i.e. oriented at an angle of 90o with each other. The general wave form is given as Fig: Electromagnetic…

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    Chapter eight of the text Sound and Recording by Francis Rumsey and Tim McCormick, discusses the principles of digital audio, and contrasts digital with analog. The text also illustrates how digital and analog work together to produce desired sound. In the world of audio there are two types; digital and analog. Analog can be described as physical or tangible in a sense, being etched onto some type of media. Digital however, is a representation of the audio waveform, which is converted into a…

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    Sound travels through matter, which is a solid, liquid or gas. Sound travels in longitudinal waves. There is also a vibration that starts on an object, and this causes a vibration on all the molecules. When these molecules vibrate, they cause all of the other surrounding molecules to vibrate. This vibration will spread from molecule to molecule causing sound to travel. 1. What is a wave? A wave is a chain of vibrating molecules. In general, a wave transfers energy from one place to another. 2.…

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    ROMAC Stability Test Fig

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    subsection{Experiment description} In order to validate this data procedure and estimation method, we carried out experiment on the ROMAC stability test rig as depicted in Fig. ef{fig2:subfig:a}. The fluid and magnetic bearing configurations were in cite{cloud2007stability}, and during the excitation process, the temperature of inlet oil was 37 ${}^{circ}mathrm{C}$. The shaft rotates at 3500 rpm, and the actuator #2 that is located at the node 47 in the FE model excited this test rig at six…

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    Firstly, its advantages include being safe and painless. Unlike X-ray, MRI scanners do not use ionizing radiation; instead they use magnetic fields and radio waves which are harmless and can be absorbed by the body without causing mutations because radio waves have a low frequency and thus a low energy that doesn’t cause harm. Secondly, the pictures that are created by the MRI are precise which allow definite analysis of the image by a medical professional; especially for organs such as brain,…

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    they combine with the laser beam entering the instrument. In this way, the laser beam is amplified without using a high power beam at the source [1].Figure 1: The LIGO Interferometer[2]2 LIGO Laser For laser interferometers, the most important property is coherence of the laser beam. Because of this,the precision of measurement depends on the intensity and frequency noise of the source. The most common type of laser used in interferometers are solid-state lasers due to their…

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    example, say that you are in a room. You hear some women to your right talking in a high pitched voice, then to your left you hear a man talking in a low pitched voice. You wonder why these two people standing in the same room are able to sound so different. This is because of both the frequency of the sound coming out of the person, and also the wave length. The frequency of a sound wave is able to have a shorter distance between its crests in a time period, the highs and lows of a wave. While…

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    I snap my fingers and the air around me shifts then vibrates. When the air vibrates, it creates a sound wave. Our ears pick up this wave and translates it so we can understand and comprehend what amazing intangible creation is before us. A middle C key is pushed on a piano, the hammer hits the tuned wire, the wire vibrates and creates the sound humans recognize as C. As time has passed, humans have progressed from single note instruments, to handwriting sheet music for orchestras, to machines…

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