SU134589A1 - Phase frequency telemetry method and device for its implementation - Google Patents

Description

The phase-frequency telemetry method is known. R: The rest of his account is low. TOMHOCTII measurement.

In the described method, this disadvantage is eliminated by the fact that the measured value is converted into a periodicity of phase change from 0 to 2.-g; n by the variable voltage of each frequency. The choice of meter ensures the accuracy of telemetry, and the choice of n - the number of telemetry.

Also known are phase-frequency ;, - stroystza for phase-frequency telemetry.

In the proposed device, the transmitting unit of each measurement sensor is connected to the input of the phase rotation device, the second input of which is connected to the static frequency multiplier, and the output to the communication line, while in the receiving semi-kit the inputs of instruments for measuring the phase noise are connected to the line connections are through i-to-individual input filters, and their second inputs are connected to a static frequency multiplier.

The drawing shows a block diagram of the transmitting and receiving set of the device.

H.1. / - power supply; 2 alternator with frequency / o; 3 - static frequency converter; 4 - phase shifting devices; 5 - input filters; Instruments for measuring the phase of the signal.

The signal from the output of the generator 2 enters the communication channel 7 and into the block J of the staged frequency converters, at the output of which alternating voltages with different frequencies, multiples / o appear.

Sensors (not shown in the drawing) of each of the dimensions are generated on phase shifting devices 4 so that they change the phase of incoming and outputs, and the glitches; -1a, the phase changes are proportional to the measurable meters of the meter.

From the output of phase shifting devices, phase-shifted signals of various frequencies are fed to communication channel 7 to which receiving co-ncs are extracted. At the gates and filters 5.

The signal with frequency / o of generator 2 is extracted by one of the filters 5, at the output of which a static converter 5 is turned on, similar to the static converter at the transmitting end.

The devices 6 measure the phases of the received sipnals by comparing with the phase of signals having the same frequencies obtained at the output of the converter 3 as a result of multiplying and dividing the frequency / o.

The phase change occurs periodically, within the limits of O-2. T: t, and it is possible, therefore, to choose different values of t (t is an integer), transfer the values of the measurement e; b: x: 1: | ;: tagl - new view: - ;.

P d D e m i; W o T; ;: c t c; h and g

Claims (2)

1. Phase-frequency telemetry method, distinguished by and with the fact that, in order to increase the measurement accuracy, it can be measured in: | Ичк;.; Г is formed in the frequency of the phase change from 0 to 2. -tr. To each of the n frequencies and the choice of m, the exactism of CCTb teleism is ensured ;; e | I, and the choice of n - the number of telemeasurements. 2. A phase-frequency telemetering device for carrying out the method according to claim 1, characterized in that, in the transmitting half, the sensor of each measurement is connected to the input of the phase-shifting device, the second input of which is connected to a static frequency multiplier and the output to the communication line, In this case, the inputs of the instruments for measuring the phase angle are connected by a communication line through individual input filters, and their second inputs are connected to static frequency multipliers. Peppermint ether | L, J Reception side