CHAFE
发表于 2025-3-28 16:39:44
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继承人
发表于 2025-3-28 21:28:00
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Customary
发表于 2025-3-29 01:47:31
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暂时休息
发表于 2025-3-29 05:25:22
Impact of the Propagation Channel on Reception Quality of the DAB Signal,However, in receiver reception conditions are determined by the baseband signal to noise ratio. In the DAB system, the levels of subcarriers of the OFDM demodulator play a decisive role. And subcarrier levels are determined by individual path levels and relative delays between them in multipath wire
malign
发表于 2025-3-29 10:25:17
Single-Frequency Networks (SFN),N), is closely related to the OFDM channel modulation system developed for DAB digital radio, especially that transmitter separations within SFN depend on length of the guard interval in the OFDM symbols..The following are new problems in the SFN:.Computer demonstrations of signals in simple 6 SFN m
CRATE
发表于 2025-3-29 14:32:54
DAB Multiplexes,signal is created by programs and services that use a common block of frequencies and the joint broadcasting network. The allocation of frequency blocks to individual regions and countries was the subject of international conferences.
Foreshadow
发表于 2025-3-29 15:40:04
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aptitude
发表于 2025-3-29 23:42:50
Multimedia Applications: Protocol MOT,iform system of transportation of multimedia objects was introduced. It is the Multimedia Object Transfer (MOT) protocol. Objects MOT play the role of universal capsules allowing to transmit any media via DAB channel and – after being transported to the receiver – to use their own parameters to unpa
expeditious
发表于 2025-3-30 00:14:38
Transmission of Services in the Cumulative DAB Network: Interface STI,e DAB multiplex operator. The aim of unification of such communication is to get support of the normative software for organization of the multiplex signal frames in the DAB server by multiplex operator..Communication of the service provider with the multiplex operator has two basic functions:.These
平躺
发表于 2025-3-30 05:14:09
Transmission of Multiplex Signal to Broadcasting Network: Interface ETI, system. After convolution, encoding a multiplex frame will be transformed into a logical DAB frame. The encoding increases the volume of the frame and alike the demand for the throughput of multiplex signal, i.e., the cost of its transmission to the transmitters. The economics of distributing the s