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PulseAudio is a network-capable sound server program distributed via the freedesktop.org project. It runs mainly on Linux, including Windows Subsystem for Linux on Microsoft Windows and Termux on Android; various BSD distributions such as FreeBSD, OpenBSD, and macOS; as well as Illumos distributions and the Solaris operating system.
The duty cycle for a pulsed radio frequency is the percent time the RF packet is on, 4.2% for this example ([0.042 ms × 1000 pulses divided by 1000 ms/s] × 100). The pulse packet form can be a square, triangle, sawtooth or sine wave. [1] In several applications of pulse radio frequency, such as radar, [2] times between pulses can be modulated.
Bose Acoustic Wave Music System CD-3000 with CD player and FM radio. The first "Wave" product was the "Acoustic Wave Music System" (AWMS-1), which was a tabletop mini-hifi system that was introduced in 1984. The AWMS-1 consisted of an AM/FM radio, cassette player, two 2-inch tweeters, and a four-inch woofer. [2]
The pulse-repetition frequency (PRF) is the number of pulses of a repeating signal in a specific time unit. The term is used within a number of technical disciplines, notably radar. In radar, a radio signal of a particular carrier frequency is turned on and off; the term "frequency" refers to the carrier, while the PRF refers to the number of ...
The chirp pulse compression process transforms a long duration frequency-coded pulse into a narrow pulse of greatly increased amplitude. It is a technique used in radar and sonar systems because it is a method whereby a narrow pulse with high peak power can be derived from a long duration pulse with low peak power. Furthermore, the process ...
In telecommunications and radio science, an ionospheric sounding is a technique that provides real-time data on high-frequency ionospheric-dependent radio propagation, using a basic system consisting of a synchronized transmitter and receiver. The time delay between transmission and reception is translated into effective ionospheric layer altitude.
In 2018, WHME returned to its Christian contemporary format as a simulcast of Pulse FM, and its former talk and teaching format moved to the HD2 side channels of all three Pulse stations. WHPD signed on the air in 1971. [5] It broadcast on 97.7 MHz with the call sign WDOW-FM. It was the FM counterpart to AM 1440 WDOW, which is now defunct. WDOW ...
The word pulse in the term pulse-code modulation refers to the pulses to be found in the transmission line. This perhaps is a natural consequence of this technique having evolved alongside two analog methods, pulse-width modulation and pulse-position modulation , in which the information to be encoded is represented by discrete signal pulses of ...