SU1166145A1 - Device for extracting square root of sum of squared numbers - Google Patents

Abstract

A DEVICE FOR EXTRACTING A SQUARE ROOT FROM A SUM OF SQUARE ALTs, containing a multiplier-dividing unit, the inputs of the first and second factors are connected to the first input of the device, and the first adder, the first input of which is connected to the output of the multiplying-separating unit , characterized in that, for the purpose of the DSN, it contains a second adder, the first input of which is connected to the output of the first adder, the second input of the device is connected to the second inputs of the first and second adders, the output to The second adder is connected to the input of the divisor of the multiplying-d.shte.chishkogo block.

Description

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This invention relates to analog computing.

A device for extracting a square root from a sum of squares is known, which contains standard analog integrated decision blocks 1.

The disadvantages of such devices are the complexity of the circuit implementation and the low accuracy of the operation.

The closest in technical essence to the invention is a device containing two multiplying-dividing blocks, the inputs of factors are connected to the corresponding inputs of the device, their outputs are to the inputs of an adder, the output of which is connected to the inputs of a divider of multiplying-dividing blocks 2.

A disadvantage of the known device is the complexity of the circuit implementation.

The aim of the invention is to simplify the device.

The goal is achieved in that a device for extracting a square root of a sum of squares, containing a multiplier, the inputs of the first and second factors of which are connected to the first input of the device, and the first adder, the first input of which is connected to the output of the multiplying-separating block, and the output is device contains a second adder, the first input of which is connected to the output of the first adder, the second input of the device is connected to the second inputs of the first and second adders, the output of the second adder connect ene with an input divider reprographic-dividing unit.

The drawing shows a block diagram of a device for extracting a square root of a sum of squares.

The device contains a multiplying-dividing block 1, adders 2 and 3, inputs 4 and 5 of the device, output 6.

The device works as follows.

With input voltages X and Y, at the output. adder 2 produces 0 voltage Ua. A voltage is applied to the input of the splitter multiplier 1. Therefore, at the output of the multiplying block 1, we obtain a voltage equal to

5i,

 Iwr + v

In adder 2 with this voltage, the voltage value Y is summed, and the output signal value is determined by the relation

C ... i. + Y. -Y- + U.

where, after conversion, we get UBI "vxTV

 Thus, the proposed device, in comparison with the known one, allows one to realize the operation of extracting the square root of the sum of squares of the input voltages by using only one divisor-multiplying unit, which greatly simplifies the circuit and increases the accuracy and reliability of the operation. This is the technical and economic effect of using the invention.

Claims (1)

DEVICE FOR REMOVING SQUARE ROOT FROM SUM- WE ARE SQUARES, containing a multiplier divider, the inputs of the first and second factors of which are connected to the first input of the device, and a first adder, the first input of which is connected to the output of the multiplier divider, and the output is the output of the device, characterized in that, in order to simplify it contains a second adder, the first input of which is connected to the output of the first adder, the second input of the device is connected to the second inputs of the first and second adders, the output of the second adder is connected to the input of the multiplier The building block.