SU1293738A2 - Statistic analyzer - Google Patents

Abstract

The invention relates to computing, can be used in specialized devices for recording and static information processing and is an improvement of the invention according to the author. St. No. 922766. The purpose of the invention is to improve the accuracy of the device. The analyzer contains an analog-digital converter 1, a sample size counter 2, a channel number counter 3, a memory block 4, a correlation coefficient calculation block 5, an arithmetic average calculation block 6, a correlation matrix determiner calculation block 7, an arithmetic block 8, a block 9 definitions of the G-function, unit 10 for determining the confidence volume, control unit 11, accumulating adder 12, divider 13 codes, unit 14 for square root extraction, multiplier 15. 3 Il. from € 00:00 00

Description

The invention relates to computing, can be used in specialized devices for registration and with the statistical processing of information and is an improvement of the analyzer according to the authors. The certificate, № 922766.

The goal is to improve the accuracy of the device.

FIG. 1 shows the analyzer circuit; in fig. 2 - control unit; in fig. 3 - timing diagram of the analyzer.

The analyzer contains an analog-digital converter 1, a counter, a sample volume 2, a counter 3 for the number of channels, a block 4 of memory, a block 5 for calculating correlation coefficients, a block 6 for calculating arithmetic averages, a block 7 for calculating the correlation matrix, an arithmetic unit 8, unit 9 for determining the G function, unit 10 for determining the confidence volume, unit 11 control, accumulating adder 12, divider 13 codes, unit 14 for extracting the square root, multiplier 15.

The control unit 11 contains a control trigger 16, a trigger pulse generator 17, a control trigger 18, a clock pulse generator 19, a counter 20, a decoder 21.

Converter 1 has a number of inputs equal to the maximum expected dimension w of multidimensional signals at the analyzer input, m is the maximum number of measured parameters. When estimating the location of an object, the parameters are Cartesian coordinates in a plane or space, therefore m is equal to two or three. The memory unit 4 consists of a random access memory unit (RAM) for recording random input signals and a long-term memory unit (RAM), where the percentage critical values of Tr (k, N) are distributed. all necessary constants (for example, 1, 2, ff}. Here p is the confidence level given by confidence, k is the dimension of the incoming multidimensional signals (ktm) and N is the volume of the multidimensional sample of input signals.

The analyzer works as follows.

At the start command, trigger 16 generates a control pulse, which is

brings all analyzer blocks to zero state and after a delay enables operation of analog-to-digital converter 1, the input data from which in binary code is fed to memory block 4 for storing and simultaneously to sample 2 counters the sample size and the number of channels 3. After block 4 is filled the memory is supplied to the control trigger 16, transferring it to a new state, then, through the driver 17, the start pulse and the second control trigger 18 generate the start signal of the clock pulse generator 19 (Fig. 3, § 1).

On the first clock pulse, which is higher on the first bus of the decoder 21, the number of channels k of the counter 3 corresponding to the dimension of the input signals is overwritten into the arithmetic unit 8 and the unit 9 for determining the G function.

The second / clock pulse is used to rewrite the sample size N from counter 2 to the registers of the arithmetic unit 8, the computing unit 6 for calculating the arithmetic means and the unit 5 for calculating the correlation coefficients.

The third clock pulse is used to read the input data from memory block 4 and write them to arithmetic means calculation block 6, where arithmetic means are calculated in each i-th channel

- Ivi

(1., 2, ..., N).

On the fourth clock pulse, constants are rewritten from memory block 4 to arithmetic block 8 and block 9 of the G-function definition. In this case, in block 8, I

.-- GT1ts

coefficient (-), and in blockN

ke 9 - the value of the r-function r (k / 2 + 1) (as. p. № 922759).

On the fifth clock pulse, the input data is read from memory block 4 and x values from block 6 for calculating arithmetic averages and writing to block 5 for calculating correlation coefficients, where correlation coefficients are calculated between all i and j channels:

i N-lfe) (in the case of coordinates, the maximum number of channels is three and the number of correlation coefficients t .. is not more than nine.

On the sixth clock pulse, the I-correlation coefficients are rewritten from block 5 to block 7 for calculating the determinant of the correlation matrix and into the adder 12.

i Block 7 of the calculation of the correlation determinant, the matrix det II l, j II is made and works in a known manner

On the seventh clock pulse, the det LE II value is overwritten from block 7 to the first register, and then the square root node of the block 10 for determining the confidence, volume, value A from block 8 is rewritten to the second register of block 10 and the value of r (k / 2 +1) from block 9- to the third register of block 10, where the volume of the confidence ellipsoid (or ellipse with) is calculated

„A / det r (k72 + 1).

which is fed to the second input of the multiplier 15. For the same pulse, the value is det II 1. II from the output of the block is fed to the register of the denominator deltel 13 (Fig. 3, p. 2).

On the eighth clock pulse, the RAM of the memory block 4 and the blocks 5, 6, and 7 are brought into the zero state (Fig. 3, clause 2). .

For the nine clock pulse input data about its own location y. The same dimension k and the same volume N in binary code are output from the output of the analog-digital converter 1 to the RAM of the memory block 4.

On the tenth clock pulse, the input data from memory block 4 is read and written to Block 6 for calculating arithmetic means, where arithmetic averages are calculated in each i-th channel:

W. 2N).

 1n

On the eleventh clock pulse, input data is read from the RAM of memory unit 4 and values y. from the block, 6 average calculations

.

- 2937384

arithmetic and recording in correlation coefficient calculation unit 5, where correlation coefficients are calculated:

 ;. s: Tf, the twelfth clock pulse, overwrites the correlation coefficients tjj of its own location from block 5 to the second input registers of the adder 12, on the input registers of which total correlation coefficients (+ f.j) appear.

On the thirteenth clock pulse, the correlation coefficients (jj +1 ..) are rewritten from the adder 12 to the correlation matrix determiner calculation block 7 to calculate the det H i- value. + fjjl

On the fourteenth clock them (Q

15

20

pulse value determinant det || ll.j + +. II from the output of block 7 through the element I is fed to the register of the numerator of the divisor 13 (Fig. 3, clause 2), where it calculates the ЕEEtJili .lluL

with a value which

then supplied to the input of the square-root extraction unit 14. At the output of block 14, an amendment appears:

.v-, M§tJLliJ.lluL

 “Det | 1, L1.

the value of which allows to take into account the inaccuracy of the own coordinates of moving meters. Based on this work, the interval location estimate, i.e. the vector of average correlations (xL. and the confidence region around it can be carried out from moving objects by means of the housekeeping of the volume of this region V to the correction iV, taking into account the inaccuracy in determining its own coordinates; gauges.

  According to the fifteenth clock pulse, the value of the correction LC from block 14 is fed to the first multiplier 15 in the course, where the specified domination is produced and the output

. iV,

which is fed to the output of the analyzer (Fig. 3, p. 3). Thus, at the output of the statistical analyzer, there is a point estimate of the location of the object, determined by the mean vector (x, x ,, Xj), and the confidence region of uncertainty with volume V, the dimensions of which are used for further acceptance | 1

solutions in applied problems of radar and radio navigation,

i

On the sixteenth clock pulse, the second control trigger 18 stops the generator of 19 clock pulses. This completes the work of the entire statistical analyzer. All blocks are reset to their initial state upon a Start command in the next measurement cycle.

invention formula

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Statistical analyzer auth. ev No. 922766, distinguishing- With the fact that, in order to improve accuracy, an accumulator, a code divider, a square root extractor and a multiplier are entered into it, the inputs of which are under 12937386

Connected to the outputs of the trust volume determining block and the square root extractor, the information input of which is connected to the output of the code divider, the first and second information inputs of which are connected respectively to the first and second outputs of the correlation matrix determinant calculation, the group of information inputs of which are connected to the group of outputs of the accumulating adder, the group of information inputs of which is connected respectively to the outputs of the calculating unit to coefficients of correlation outputs from the twelfth to the fifteenth control unit connected to the setting inputs of the accumulator respectively, divider code block extracting square roots - of the multiplier and whose output is the output of the analyzer.

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Editor Y. Petrushko

Compiled by E.Sechina

Tehred L.Oleynik Proofreader S.Shekmar

Order 388/54 Circulation 673 Subscription VNIIPI USSR State Committee

for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5

Production and printing company, Uzhgorod, Projecto st., 4

Phie, 3

Claims (1)

Claim Statistical analyzer St. No. 922766, distinguishing by the fact that, in order to increase accuracy, an accumulating adder, a code divider, a square root extraction block and a multiplier are introduced into it, the inputs of the factors of which are connected to the outputs of the confidence volume determination block and the square root extraction block, respectively, the information input of which is connected to the output of the code divider, the first and second information inputs of which are connected respectively to the first and second outputs of the unit for calculating the determinant of the correlation matrix, the group of info the input inputs of which are connected respectively to the group of outputs of the accumulating adder, the group of information inputs of which are connected respectively to the outputs of the unit for calculating the correlation coefficients, the outputs from the twelfth to fifteenth control units are connected to the inputs of the installation, respectively, of the accumulating adder, code divider, square root extraction unit ·, and multiplier whose output is the output of the analyzer.