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Fabrication of Silica Ultra High Quality Factor Microresonators

Mäts i Sievert. Frekvens våglängd relation/formel. av V Lapuente · 2010 · Citerat av 10 — Title: Civil War Spain versus Swedish Harmony: The Quality of Government Factor. Authors: Lapuente, Victor · Rothstein, Bo. Issue Date: Apr-2010.

Quality factor

The quality factor is a measure of the losses, usually unwanted, particularly in a capacitor or an inductor. It is equal to the ratio of the absolute value of Q-värde. Q-värde, engelska quality factor, för vibrerande system en förstärkningsfaktor vid resonans. (11 av 65 ord). Vill du få tillgång till hela artikeln?

A passive filter with a high quality factor, Q, presents a larger bandwidth and better compensation characteristics. Eq. (41.67) defines the quality factor value in terms of the passive filter parameters L, R, and C. 2021-02-28 · We have updated data for the paper “Quality Minus Junk” (Asness, Frazzini and Pedersen, 2014). We provide 10 quality-sorted, long-only portfolios for a U.S. long sample (starting 1956) and a global broad sample (starting 1986), and update them monthly.

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The quality factor refers to the tendency of high-quality stocks with typically more stable earnings, stronger balance sheets and higher margins to outperform low-quality stocks, over a long time horizon. The outperformance of high-quality stocks over low-quality stocks is well-documented in financial literature although the actual The quality factor, Q, is a dimensionless modifier used in converting absorbed dose, expressed in gray (or rad), to dose equivalent, expressed in sievert (or rem).

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It is defined as the ratio of voltage across L or C to the applied voltage.

The energy loss rate of a weakly damped (i.e., ) harmonic oscillator is conveniently characterized in terms of a parameter, , which is known as the quality factor. This quantity is defined to be times the energy stored in the oscillator, divided by the energy lost in a single oscillation period. The quality factor, Q, defines the passive filter bandwidth. A passive filter with a high quality factor, Q, presents a larger bandwidth and better compensation characteristics. Eq. (41.67) defines the quality factor value in terms of the passive filter parameters L, R, and C. This equation shows that if R or C decreases, Q increases, and the Here, we identify the electronic quality factor B E for determining the maximum thermoelectric power factor, which can be conveniently estimated by a single measurement of Seebeck coefficient and electrical conductivity of only one sample, not necessarily optimized, at an arbitrary temperature. Define quality factor.
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2019-10-22 · While the quality factor has been identified in the literature (including papers such as “Buffett’s Alpha,” “Global Return Premiums on Earnings Quality, Value, and Size,” and “The Excess Returns of ‘Quality’ Stocks: A Behavioral Anomaly”), and there are now a number of investment vehicles with quality strategies (such as the iShares Edge MSCI USA Quality Factor ETF, or QUAL Quality Factor. The quality factor of a radiation type is defined as the ratio of the biological damage produced by the absorption of 1 Gy of that radiation to the biological damage produced by 1 Gy of X-rays or gamma rays. The Q of a certain type of radiation is related to the density of the ion tracks it leaves behind it in tissue. Quality factor, Q Reactive components such as capacitors and inductors are often described with a figure of merit called Q. While it can be defined in many ways, it’s most fundamental description is: average power dissipated energy stored Q=ω Thus, it is a measure of the ratio of stored vs.

Quality Factor ETFs are made up of securities deemed to exhibit strong fundamental characteristics. These ETFs screen for stocks that have healthy balance sheets, encouraging growth prospects, and consistent improvements in their earnings. Click on the tabs below to see more information on Quality Factor ETFs, including Factor exposure indexes - Quality factor.
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This magnification of voltages at series resonance is termed as Q–factor. It is defined as the ratio of voltage across L or C to the applied voltage. The iShares MSCI USA Quality Factor ETF seeks to track the investment results of an index that measures the performance of U.S. large- and mid-capitalization stocks as identified through three fundamental variables: return on equity, earnings variability and debt-to-equity. The Quality factor is about more than just profitability. Of course, profitability drives the Quality factor. My Green Zone Ratings system considers a company’s profitability from a number of perspectives, including return on assets, return on equity and return on invested capital, over short- and long-term time frames. The quality factor refers to the tendency of high-quality stocks with typically more stable earnings, stronger balance sheets and higher margins to outperform low-quality stocks, over a long time horizon.