SU1494028A2 - Radio telegraph trainer - Google Patents

Abstract

The radio telegraph simulator pass 947904, characterized in that, in order to expand the didactic capabilities of the simulator, the first and second indicators of the element-by-element error and the error nature determination unit are included, containing two elements, two triggers and a driver of the pulses, the output of which is connected to the R-inputs triggers, and the input is connected to the output of an adder connected to the first inputs of the first and second elements I, the second inputs of which are connected respectively to the outputs of the memory unit and the second pulse generator, the outputs to S-inputs respectively, the first and second triggers, the outputs of which are connected to the inputs of the first and second indicators of element-by-element error, respectively.

Description

(6P 947904

(21) 3975047 / 24-24

(22) (46) (72)

12.11.85

07.15.89 Bul No. 26

V.B. Kudr vtsev, A.T. Serobabin, A.K. Sokolenka and A.Yu. Chizhov (53) 681 .3.071 (088.8) (56) USSR Copyright Certificate No. 947904, cl. G 09 V 19/26, 1983. (54) (57) SIMULATOR OF RADIO TELEGRAPHERS according to ed. St. - 947904, about tl and h and rout and so that, in order to expand the didactic capabilities of the simulator, it introduced the first and second indicators of element-by-element error and the block of determining the nature of errors, containing two elements I, two triggers and a pulse shaper, the output of which is connected to the R inputs of the triggers, and the input to the output of an adder connected to the first inputs of the first and second elements I, the second inputs of which are connected respectively to the outputs of the memory unit and the second pulse driver, the outputs to the S inputs of the first and a second flip-flops whose outputs are connected to inputs of the first and second indica Ator piecemeal error respectively.

i

The invention relates to automation and computing, and can be used in teaching radio telegraph operators to transmit on the key and is additional to auth. St. No. 947904.

The purpose of the invention is to expand the didactic capabilities of the simulator by increasing the accuracy of the simulator by recognizing the nature of errors and incorrectly transmitted Morse code characters.

Kah FIG. 1 shows a structural diagram of the simulator; in fig. 2 is a pulse driver circuit.

The wireless telegraph simulator contains a shaper 1 codes (automatic Morse code sensor - ADRC), an electroacoustic transducer 2 (headphones), a counter 3 (write addresses), a shaper 4 pulses (dash), a memory block 5, a counter 6 (read addresses), operator response input block 7 (telegraph key), pulse shaper 8 (dash), adder 9 (modulo two), integrator 10, generator 11 (linearly varying voltage), indicator 12 (errors), block 13 for determining the nature of errors containing two elements and 14 and 15, two trigger ra 16 and 17, pulse shaper 18 (generates a short pulse on the rising edge), the LED chip unit 19 TFIS errors shortening the mark, the LED chip unit 20, an error (such as sign extension).

The imaging unit 4 (8) of pulses contains a series-connected integrator 21, a generator 22, an element 23 and a counter 24.

The student listens to incoming electroacoustic conversion)

N)

The recipient 2 signals (signs) from the driver 1 and with the same speed transmits them on the key. The rate of presentation of signals (signs) smoothly increases (calculated according to a given neynuyu law), which causes an increase in the speed of transmission to the key for the learner.

If a student makes an error during transmission, the increase in speed slows down, and when the error rate reaches the established levels, indicator 12 will light up, indicating that the student will stop transmitting on the key, focus, and then (according to the instructions) start working after a certain period of time again.

The nature of the errors is indicated by indicators 19 and 20 on the scoreboard during the workout. If a student transmits a dot instead of a dash when transmitting, then the element error indicator 19 (such as shortening the sign) will be lit, and if a dash is formed instead of a point, the element error error 20 (such as lengthening the character) will light up.

The device works as follows.

When turned on, block 5 is set to its initial position, counters 3 and 6. By pressing a button (not shown), generator 1I (linearly varying voltage) is started, and telegraphic signs will begin to appear from the driver I through the electroacoustic converter 2. At the same time, these characters arrive at counter 3, where the address code is written for writing to block 5. In block 5, logical O corresponds to a point, logical I is a dash. The elements of the telegraph signs are recognized by the former 4, the pulse at the output of which is permitted for recording logical 1 in block 5.

The trainee immediately transmits the received telegraphic signs on the key of block 7. The signs that are formed by the learner go to the imaging unit 8 and to the counter 6. Counter 6 provides for sequential reading from block 5, also sequentially recorded data from the imaging unit 1 the pulses corresponding to the dash element are counted, and are fed to the adder 9 to detect transmission errors. The other input of the adder 9 receives the pulses corresponding to the dash element from the imaging unit 8, formed by the learner on the key of block 7. If the learner plays on the key of block 7

0 received signals without errors, then the output of the adder 9 pulses will not be.

The generator 11 is connected to the former I and controls the change in the rate of transmission of characters from it, which gradually increases. The slew rate at the beginning of the work is preset by selecting the parameters of the generator 1 1.

0 If the student made a mistake, then at the output of the adder 9 there is a pulse that goes to the integrator (low-pass filter) 10, the output of which is constant

5 is proportional to the error rate. The magnitude of this constant component, acting on the input of the generator 11, changes its parameters, thereby regulating (decreasing) the rate of increase in the transmission of characters from the driver i. When the voltage at the output of the integrator 10 of a predetermined threshold value (the frequency of the occurrence of errors has become unacceptably high) turns on, the indicator 1 2 about the end of the training session lights up. In this case, the student stops the transfer on the key and after the necessary break (according to the instructions) again proceeds to

40 learning.

Simultaneously, the recognition and indication of the nature of the errors is carried out. If the student makes an error, the pulse from the output of the adder 9 comes

45 To one inputs of elements AND 14 and 15. And if logical 1 from the output of block 57 arrives at another input of element AND 14, it opens element AND 14, then trigger 16 is switched

50 and the indicator 19 lights up (i.e., the learner has formed a dot instead of a dash in the sign of the Morse code).

In the case of logical I at the other input of the AND 15 element from the Forwarder 8, the AND 15 element is unlocked, the trigger 17 switches and the indicator 20 lights up (i.e., the learner instead of a dot in the Morse code formed a dash element).

35

The error display is terminated by the occurrence of the next error. In this case, a short impulse is formed at the output of the imaging unit 18 along the leading edge of the impulse arriving at its input, and the triggers 16 and 17 are set to the initial state. Further, the operation of the simulator is repeated.

Makes the selection of the elements of the mark as follows.

dash

Signal corresponding to code mark

The shaper 4 (8) pulses are backed up to the initial state

front of each transmitted element.

The use of the invention increases the efficiency of the training at the expense of Morse, enters the integrator 21, recognizing the nature of errors, at the absence of which a permanently transmitted sign is distinguished and displayed to the learner in the process, which allows him to visually see the nature of the errors, take into account 20

constituting. This voltage controls the frequency of generation of generator 22, which is proportional to the rate of transmission of the Morse code characters. The pulses from the generator 22 are fed to one input of the element 23, the other input of which receives the transmitted Morse code pulses. Item output

during the workout. Thus, taking into account the student's self-regulation processes in his sensorimotor activity allows one to eliminate systematic errors and shorten the time of training 23 connected to the counter 24, where it is 25.

286

reads the number of pulses received from generator 22 in a time equal to the duration of the element of the transmitted Morse code sign. When the 2D counter overflows at its output, the pulse overflows, indicating the presence of a dash in the transmitted Morse code sign. The counter 24 setting the use of the invention increases the efficiency of the exercise by recognizing the nature of the errors of incorrectly transmitted characters and displaying them to the learner in the course of the work, which allows him to visually see the nature of the errors, take into account

during the workout. Thus, taking into account the student's self-regulation processes in his sensorimotor activity allows one to eliminate systematic errors and reduce the training time.

Claims (1)

SIMULATOR OF THE RADIOTELEGRAPHICA by ed. St. No. 947904, characterized in that, in order to expand the didactic capabilities of the simulator, the first and second indicators of the element-wise error and a block for determining the nature of errors, containing two And elements, two triggers and a pulse shaper, the output of which is connected to the R inputs, are introduced into it triggers, and the input - with the output of the adder connected to the first inputs of the first and second elements And, the second inputs of which are connected respectively to the outputs of the memory unit and the second pulse shaper, the outputs - with S-inputs, respectively, of the first and W cerned triggers, whose outputs are connected to inputs of the first and second error indik'atorov piecemeal respectively.