SU1681284A1 - Super-high frequency delay simulator - Google Patents

Abstract

The invention relates to radio engineering and can be used in radio navigation, radar and radio communications for storing the reflected signals, processing and reproducing them. The purpose of the invention is to simplify the simulator. The goal is achieved due to the fact that the known device containing the sensor 1, two switches 2 and 11, a pollen filter 5, a block of 6 standby multivibrators, a regulator of 7 time intervals, a generator of 8 clock pulses, a waiting multivibrator 9 and a receiver 12, are entered 10 signal generator, controlled by an attenuator-phase shifter 4 and a memory block 3. 2 Il.

Description

The invention relates to radio engineering and can be used in radionavigation, radiolocation and radio communications for storing reflected signals, processing and reproducing them,

The chain of invention is the simplification of the imitation-mountain.

FIG. Figure 1 shows a super-high frequency electrical circuit with a delay generator; in fig. 2 - timing diagrams for the operation of the device.

The microwave delay simulator contains a transmitter 1, a first switch 2, a block of memory 3, a controlled attenuator-phase shifter 4, a band-pass filter 5, a block of 6 pending multivibrators.

the controller 7 time intervals, the generator 8 clock pulses, the waiting multivibrator 9, the generator 10 signals, the second switch 11 and the receiver 12.

The device works as follows.

From the output of transmitter 1 to the input of memory block 3, through the first switch 2, a radio pulse with a frequency fr, a period Tg and a duration g (Fig. 2a) is received, which is stored in memory block 3. From the generator 8 clock pulses to the first input of the block 6 of the waiting multivibrators receives a video pulse (Fig, 26). From the first output of the block 6 of the waiting multivibrators, the video impulse (Fig. 2c) is fed to the control input of the first switch 2, the second

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the input of the 6 standby multivibrators unit and the synchronization input of the transmitter 1, which allows synchronization of the simulator operation. The duration d of the video pulse (Fig. 2c) from the first output of the standby multivibrator unit is set equal to the duration of the radio pulse (Fig. 2a) fed to the input of the memory block 3. The duration of the video pulse t1 (Fig. 2 g) from the second output of the 6 standby multivibrators unit is set using the 7 time interval controller, signals from which are sent to the third input of the 6 standby multivibrators unit. The duration of the p1 video pulse (Fig. 2d) is set equal to the signal transit time in space from the transmitter to the target and back to the receiver.

A video signal of duration V from the second output of the standby multivibrator unit is fed to the control input of the waiting multivibrator 9, which is triggered by this signal. At the output of the waiting multivibrator 9, a video pulse is formed

duration d, equal to the duration of the radio pulse (Fig. 2d), entering the input of the second switch 11 from the generator 10 signals operating in continuous mode.

Claims (1)

From the output of the second switch 11, a read pulse with a duration of 5 (5 is fed to the second input of memory block 3 and reads the radio signal recorded in it. The output signal from memory block 3 arrives at a controlled attenuator-phase switch 4, which is synchronized by control pulses the torus 7 time intervals, with which the phase value on the controlled attenuator-phase shifter 4 is in one-to-one correspondence with the delay time. With the help of a controlled attenuator-phase shifter 4, the amplitude is set and the phase is imitated signal, similar to the amplitude and phase of the reflected radio signal. The radio signal generated in this way goes through the band-pass filter 5 to the receiver 12 and from it to the simulator output. Invention Ultrahigh-frequency delay simulator containing a serially connected transmitter and a first switch, serially connected band filter and a receiver, the output of which is the output of the simulator, consequently, the connected standby multivibrator and the second switch, the time interval controller and the series-connected clock generator and the standby unit multivibrators, the first and second outputs of which are connected respectively to the control input of the first switch and the input of the waiting multivibrator, and the second and third inputs are connected respectively to the first output of the standby multivibrator unit and the output of the time interval controller, and the control input of the transmitter is connected to the first output block waiting multivibrators, characterized in that, in order to simplify the simulator, a signal generator is introduced, connected in series to a memory unit and controlled by an attenuator / phase shifter, the output of which is connected to the input of the bandpass filter and the control input with the output of the time interval controller, the output of the signal generator connected to the input of the second switch, and the first and second inputs of the memory block connected respectively to the outputs of the first and second switches. g g - ft./ P