Simulator for multi-channel meteor trail channel
A meteor trail and channel simulation technology, applied in the field of communication, can solve the problems that the attenuation rate and mode cannot be accurately controlled, and it is difficult to realize random channel bursts, etc., so as to shorten joint testing and testing work, improve research and development efficiency, and have stable and reliable performance Effect
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[0016] refer to Figure 1 to Figure 2 , the present invention consists of front-end matching attenuation unit groups 1-1 to 1-4, digitally controlled attenuator groups 4-1 to 4-16, two-way output power distribution / combiner groups 2-1 to 2-2, eight-way output power distribution / Synthesizer group 3-1 to 3-2, back-end matching attenuation unit group 5-1 to 5-16, control unit 6, interface unit 7, channel simulation unit 8, power supply 9 and other components. figure 1 It is an electric principle block diagram of the present invention, and the embodiment is according to figure 1Connect the lines. The function of the front-end matching attenuation unit groups 1-1 to 1-4 is to complete the matching function of the front-end radio frequency input and output signals. The function of the two-way output power distribution / combiner groups 2-1, 2-2 is to make the front-end input and output port signals have a certain degree of isolation, and to make the input signals from the eight-way...
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