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Moody's was founded by John Moody in 1909 to produce manuals of statistics related to stocks and bonds and bond ratings. Moody's was acquired by Dun & Bradstreet in 1962. In 2000, Dun & Bradstreet spun off Moody's Corporation as a separate company that was listed on the NYSE under MCO.
The Blackmer RMS detector is an electronic true RMS converter invented by David E. Blackmer in 1971. The Blackmer detector, coupled with the Blackmer gain cell , forms the core of the dbx noise reduction system and various professional audio signal processors developed by dbx, Inc.
Thermoacoustic machines rely more on the temperature-position variations than the usual pressure-velocity variations. The sound intensity of ordinary speech is 65 dB. The pressure variations are about 0.05 Pa, the displacements 0.2 μm, and the temperature variations about 40 μK. So, the thermal effects of sound cannot be observed in daily life.
Moody's (MCO) to acquire all the outstanding shares of Reis for $278 million in cash. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ...
Risk Management Solutions, a subsidiary of Moody's Corporation; RMS, a prefix for Royal Mail Ships and aircraft, UK; Roads and Maritime Services, a former agency of the New South Wales government, Australia; Rotana Media Services, the advertising and marketing wing of Rotana Group; Rotating Memory Systems, Inc., a defunct hard disk drive ...
A resistor with thermal noise can be represented by its Thévenin equivalent circuit (Figure 4B) consisting of a noiseless resistor in series with a gaussian noise voltage source with the above RMS voltage. Around room temperature, 3 kΩ provides almost one microvolt of RMS noise over 20 kHz (the human hearing range) and 60 Ω·Hz for ...
Moody's, previously known as Moody's Analytics, is a subsidiary of Moody's Corporation established in 2007 to focus on non-rating activities, separate from Moody's Investors Service. It provides economic research regarding risk, performance and financial modeling , as well as consulting, training and software services.