RU2002127155A - METHOD FOR TRANSMISSION OF TELEMETRIC INFORMATION WITH FREQUENCY-TIME SEALING OF THE RADIO CHANNEL AND ANALOG-DIGITAL METHOD OF MODULATION OF THE CARRIER FREQUENCY AND DEVICE FOR ITS IMPLEMENTATION - Google Patents

Claims (3)

1. A method of transmitting information with time-frequency compression of a radio channel and an analog-to-digital method of modulating the carrier frequency, characterized in that, in order to narrow the spectrum of radio frequencies occupied on the air, with an increase in the volume of transmitted information, information is transmitted in N (where N = 2,4,8 ...) synchronous flows, in each of which at the clock frequency F the channel separation in time with a duty cycle of Q = 2 _is carried out in this way, each stream is spaced from the neighboring carrier frequency into the frequency interval Δf _p = F _so N (where n = 5.7 ...) and time shifted by half a beat

2. The method of transmitting information according to claim 1, characterized in that, in order to narrow the spectrum of radio frequencies occupied on the air by several on-board devices, the operation of the on-board devices is synchronized by the signals of the master oscillator of one of them, while the first stream of the synchronized on-board device is distributed (by frequency scale) from the last stream of the synchronizing on-board device to the frequency interval Δf _p = F _so · n (where n = 5.7 ...) and shift in time by half a clock

3. A device for implementing the method according to claim 1, comprising a reference carrier frequency generator (19), first and second controlled oscillators (17, 18), first and second power amplifiers (20, 21), a first frequency modulator (13), a first and the second phase detectors (15, 16), the inputs 2 of which are connected to the first outputs of the controlled generators (17, 18), the outputs 2 of which are connected to the inputs of the power amplifiers (20, 21), the input 3 of the first phase detector (15) is connected to the first the output of the reference carrier frequency generator (19), the input of the first controlled generator (17) is connected to the course of the first frequency modulator (13), characterized in that a power adder (22), a second frequency modulator (14), the first and second frequency “shaper” drivers (11, 12), the first and second adders (9, 10) are introduced into it ), four switches (5, 6, 7, 8), a divider (2), a marker pulse shaper (3), a key (4), a clock generator (1), whose out-of-phase outputs 1 and 2 are connected in pairs with the inputs of the switches (5, 7, and 6, 8), as well as with the inputs of 1 shapers of the frequency “stand” (11, 12), the outputs of the switches (5, 6) are connected to the first adder (9), and switches (7, 8) - with a second adder (10), output 3 of the first adder (9) is connected to input 1 of the first frequency modulator (13) and input 2 of the key (4), output 3 of the second adder (10) is connected to the input 1 of the second frequency modulator (14), and outputs 3, 4 of the key (4) with inputs of 1 phase detectors (15, 16), outputs of phase detectors (15, 16) are connected to the inputs of 2 frequency modulators (13, 14), input 3 the second phase detector (16) is connected to the second output of the reference carrier frequency generator (19), the output of the clock frequency generator (1) through the divider (2) is connected to the input of the marker pulse generator (3), the output of which is connected to the input 1 of the key (4), the outputs of the frequency “stand” formers (11, 12) are connected to the inputs of 3 frequency modulators (13, 14), the output of the second frequency modulator (14) is connected to the input of the second controlled generator (18), the outputs of the power amplifiers (20, 21) are connected to the inputs of the power adder (22).