The selector pulse sequence

 

The invention relates to a pulse technique for selecting pulses (THEM) in duration and amplitude. The technical result consists in Elektrownia both periodic and random THEM. The selector pulse sequence contains shaper THEM (PHI) 1, blocks delay (BZ) 2, 4, 5, and 10, the key (K) 11, the And gate (And) 3, adders (C) 6, 12, multilevel amplitude selectors (AC) 7, 13, switches (KM) 8, 14, switch (P) 15, a trigger (TG) 9. The first release of PHI 1, on which are formed THEM fixed duration in the moments leading edge of the input to THEM, connected with BRS 2, 4, and the second output PHI 1, on which are formed THEM in the moments of the trailing edge of the input to THEM, connected to the first input And 3, the output of which is connected with 6. BR 10 is connected to the second input of the TG 9, the signal of which manages To 11. Outputs With 6, 12 speakers 7, 13 and 8 KM and 14 are connected to Paragraph 15, the output of which is connected to the first input of the TG 9. BR 2 is connected with the second input And 3, and the output BZ 4 is connected to the third input And 3 and with a second entrance From 6. 2 Il.

The proposed selector refers to the pulse technique and can be used in devices analysis for extracting pulses with specified parameters in duration and amplitude.

Izvestiia certificate No. 894851, 1239852, 1396268, 1624676, patents No. 2173935, 2168854 and others), as well as the selectors described in the 2nd and 3rd chapters of the book of O. N. Timakova, C. K. Lyubchenko "Selectors pulses". M: Owls. Radio, 1966.

Known selectors closest to the proposed selector is in patent No. 2173935 on M CL 7 H 03 To 5/19 priority from 18.04.2000, which is selected as a prototype.

This selector allows discriminates only regular pulse sequence by three parameters, namely amplitude, pulse duration and repetition period.

A disadvantage of this device is that it does not allow discriminates pulses with specified parameters in the duration and amplitude appearing at random points in time.

Object of the invention is to enhance the functionality of the selector associated with its ability discriminates as periodic pulses with a given amplitude and duration, and appearing at random points in time.

The problem is solved in that the selector pulse sequence containing the input shaper pulses, an input connected to the input bus and to the input of the third delay unit, the output of which is connected through the key with Vitelleschi, proportional to the amplitude of the input pulses at the moments corresponding to the leading edge of the input pulses, is connected to the inputs of the first and second delay blocks, and the second output of the input shaper pulses, which are formed similar to the pulses at the moments corresponding to the rear edge of the input pulses, connected to the first input element And the output of which is connected to the first input of the first adder, the fourth delay unit connected to the second input of the trigger, the output of which is connected with the control input of the key, the output of the first adder through a first multi-level amplitude selector is connected to the input of the first switch, the output of the first delay unit is connected with the second input element And the output of the second delay unit connected to the third input element And with a second input of the first adder, added sequentially connected to the second adder, the second multi-level amplitude selector and the second switch and the first input of the second adder is connected to a second output of the input shaper pulses, a second input from the output of the first delay unit and the input of the fourth delay unit and the switch, the first input connected to the output of the first is higher.

A structural scheme of the selector shown in Fig.1, a timing diagram explaining the principle of its operation is shown in Fig.2.

The selector pulse sequence contains the input shaper pulses 1, an input connected to the input bus and to the input of the third 5 delay unit, the output of which through the key 11 is connected to the output bus selector. The first output driver 1, in which pulses of constant duration proportional to the amplitude of the input pulses at the moments corresponding to the leading edge of the input pulses, is connected to the inputs of the first 2 and second 4 units of delay. The second output of the input driver 1, which are formed similar to the pulses at the moments corresponding to the rear edge of the input pulses, connected to the first input element And 3 and with the first input of the second adder 12. The output of the first 2 of the delay block is connected with the second input element And 3, with the second input of the second adder 12 and to the input of the fourth 10 of the delay block. The output of the second 4 unit delays connected with the third input element And 3 and with a second input of the first adder 6, a first input connected to the output element And 3. The output of the fourth 10 delay block, connect the output of the amplitude selector 7 and the switch 8 is connected to the first input of the switch 15. The output of the second adder 12 connected in series through the second multi-level amplitude selector 13 of the second switch 14 is connected to the second input of the switch 15, the output of which is connected to the first input of the trigger 9, the output of which is connected with the control input of the key 11.

The proposed selector works as follows. Input pulse sequence (Fig.2A), which along with other pulses are both periodic and random pulses with specified parameters in the duration and amplitude (Fig.2 they would be tinted different shades), is applied to the input shaper 1 and the third input 5 delay unit. The first output of the input shaper 1 pulses of constant duration proportional to the amplitude of the input pulses and their corresponding leading edge (Fig.2B) and the second output - similar pulses corresponding to the rear edge of the input pulse (Fig.2B), served on the first input of the second adder 12 and the first input element And 3. The pulses from the first output of the input shaper 1 is delayed in the first 2 unit delay time equal to the specified duration of tand(Fig.2G), and fed to a second input of the second adder the delay time, equal to the sum of the period of the periodic sequence and a given pulse duration, served on the third input element And 3 and the second input of the first adder 6 (Fig.2m). At the output of the adder 12 will receive the pulses (Fig.2D), which provide information about the amplitudes and durations of the input sequence. From the output of the adder 12 pulses on multilevel amplitude selector 13, where depending on the total amplitude of the input pulses are divided by level (Fig.2E). Each channel of the multi-level amplitude selector 13 transmits on its output pulse only when the amplitude of the total voltage U lies in some interval Umin<U maxcharacterizing this level (channel). The switch 14 can be connected to any channel of the multi-level amplitude selector 13. When power is applied, for example, at the k th level (Fig.2E) multilevel amplitude selector 13 these pulses arrive at the switch (Fig.2ZH). If the switch 15 is connected to the output of the switch 14, the pulses (Fig.2ZH) served at the first input of the trigger 9, the cutting edge of setting it in one state. In the zero state, the trigger 9 is set by the pulses from the output of a given pulse duration tand(Fig.2H). At the output of the trigger 9 appears pulses (Fig.2i), delayed relative to the input sequence at time tand. The pulses from the output of the trigger 9 is received on the control input key 11, the other input of which is fed an input sequence of pulses, delayed by a time equal to the specified duration tand.(Fig.2K). The output of the key 11 will pass only pulses with predetermined duration tandand amplitude Uand(Fig.2l). Among these pulses are both periodic pulses, and the pulses appearing at random points in time. If you set a different time delay blocks delay and switch to connect to another channel multilevel amplitude selector, you can select pulses with a different set duration and amplitude.

If the switch 15 connected to the output of the switch 8, the selector is as follows. The pulses from the first output of the input shaper 1, detained 4 second unit delay time equal to the sum of the period of the periodic sequence and a given pulse duration, served on the third input element And 3 and the second input of the first adder 6 (Fig.2m). Output element And 3 pulses will appear only in torotrak pulse sequence, in particular, pulse duration and repetition period. In the first adder 6 these pulses are summed with the pulses from the output of the second 4 unit delays, which contain information about the amplitudes of the pulses of breeding sequence (Fig.2O). From the output of the adder 6 pulses for multilevel amplitude selector 7 is distributed among its channels. Assume that the signal got into j-channel multilevel amplitude selector lever 7 (Fig.2R). When connecting the switch 8 to the j-channel multilevel amplitude selector pulses from this channel through the switch 15 receives at the first input of the trigger 9, setting it in one state. In the zero state, the trigger is set by the pulses from the output of the fourth 10 delay block (Fig.2K). The pulses from the trigger output 9 (Fig.2P) served on the control input key 11, the other input of this key pulses (Fig.2K). As a result, the output selector will pass only pulses of a regular pulse sequence (Fig.2C).

Thus, the use of the proposed new selector elements and relationships allows any sequence of pulses to allocate as regular pulses with the specified parameter is mule inventions

The selector pulse sequence containing the input shaper pulses, an input connected to the input bus and to the input of the third delay unit, the output of which through the key connected to the output bus, the first output driver pulses, which pulses of constant duration proportional to the amplitude of the input pulses at the moments corresponding to the leading edge of the input pulses, is connected to the inputs of the first and second delay blocks, and the second output of the input shaper pulses, which are formed similar to the pulses at the moments corresponding to the rear edge of the input pulses, connected to the first input element And the output of which is connected to the first input of the first adder, the fourth delay unit connected to the second input of the trigger, the output of which is connected with the control input of the key, the output of the first adder through a first multi-level amplitude selector is connected to the input of the first switch, the output of the first delay unit is connected with the second input element And the output of the second delay unit connected to the third input element And to the second input of the first adder, characterized in that it additionally introduced the village is rich the first input of the second adder is connected with the second output of the pulse shaper, the second input with the output of the first delay unit and to the input of the fourth delay unit and the switch, the first input connected to the output of the first switch, the second input with the output of the second switch and the output switch connected to the first input of the trigger.

 

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