SU144744A1 - Method for correcting non-linearity of pulse frequency sensors - Google Patents
Method for correcting non-linearity of pulse frequency sensorsInfo
- Publication number
- SU144744A1 SU144744A1 SU696020A SU696020A SU144744A1 SU 144744 A1 SU144744 A1 SU 144744A1 SU 696020 A SU696020 A SU 696020A SU 696020 A SU696020 A SU 696020A SU 144744 A1 SU144744 A1 SU 144744A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- linearity
- pulse frequency
- frequency sensors
- correcting non
- counter
- Prior art date
Links
Landscapes
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
Description
Известны частотно-импульсные датчнки типа «корень п-ной степени . Недостаток большинства из них состоит в нелинейпости частоты от измер емого параметра.Known frequency-pulse dachnki type "root of p-th degree. The disadvantage of most of them is the non-linearity of the frequency of the measured parameter.
В предлагаемом способе частотна зависимость датчика от измер емого параметра линейна. Это осуществлено проведением р да последовательных измерений частоты датчика, причем-врем измерени каждого последующего измерени пропорционально результату предыдущего .In the proposed method, the frequency dependence of the sensor on the measured parameter is linear. This is carried out by conducting a series of consecutive measurements of the sensor frequency, with the measurement time of each subsequent measurement being proportional to the result of the previous one.
На чертеже показана скелетна схема устройства по описываемому способу.The drawing shows a skeletal diagram of the device according to the described method.
Выходна частота / датчика поступает через зажим / в схему совпадений 2, выход которой соединен со счетчиком 3, а другой вход со счетчиком 4. Емкость каждого счетчика составл ет К.The output frequency / sensor enters through the terminal / into the coincidence circuit 2, the output of which is connected to counter 3, and the other input with counter 4. The capacity of each counter is K.
При первом измерении частоты осуществл етс преобразованиеAt the first frequency measurement, the conversion is performed.
Здесь:Here:
NI - показание счетчика 3 при первом измерении;NI - counter 3 reading at the first measurement;
/д: - частота образцового генератора 5, выходы которого соединены со счетчиком 4 и схемой совпадени 6./ d: is the frequency of the reference oscillator 5, the outputs of which are connected to the counter 4 and the coincidence circuit 6.
После окончани первого измерени вступает в действие схема совпадени 6, котора вводит импульсы от образцового генератора 5 одновременно в счетчики 3 и 4. Схема совпадени останавливаетс после заполнени счетчика 3, так как при этом по проводу 7 -подаетс сигнал остановки схемы совпадений 6.After the end of the first measurement, the coincidence circuit 6 comes into effect, which inputs pulses from the exemplary generator 5 simultaneously into counters 3 and 4. The coincidence circuit stops after the counter 3 is filled, since the signal of the coincidence circuit 6 is stopped via wire 7.
Таким образом в счетчик 4 вводитс число Л/i дополнительное числу , полученному при первом измерении.Thus, the number L / i is added to counter 4 by the additional number obtained in the first measurement.
N, , f,K N, f, K
N K-N,N K-N,
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU696020A SU144744A1 (en) | 1961-02-02 | 1961-02-02 | Method for correcting non-linearity of pulse frequency sensors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU696020A SU144744A1 (en) | 1961-02-02 | 1961-02-02 | Method for correcting non-linearity of pulse frequency sensors |
Publications (1)
Publication Number | Publication Date |
---|---|
SU144744A1 true SU144744A1 (en) | 1961-11-30 |
Family
ID=48300382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU696020A SU144744A1 (en) | 1961-02-02 | 1961-02-02 | Method for correcting non-linearity of pulse frequency sensors |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU144744A1 (en) |
-
1961
- 1961-02-02 SU SU696020A patent/SU144744A1/en active
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