SU647726A1 - Method of discriminating pulses from signals reproduced from magnetic carrier - Google Patents
Method of discriminating pulses from signals reproduced from magnetic carrierInfo
- Publication number
- SU647726A1 SU647726A1 SU772509879A SU2509879A SU647726A1 SU 647726 A1 SU647726 A1 SU 647726A1 SU 772509879 A SU772509879 A SU 772509879A SU 2509879 A SU2509879 A SU 2509879A SU 647726 A1 SU647726 A1 SU 647726A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- magnetic carrier
- signals reproduced
- discriminating pulses
- signals
- signal
- Prior art date
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Description
из вослроиавооимых с магнитного носител сигналов путем их усилени и формировани в моменты достижени воспроизводимыми сигналами лорогового уровн лапр жеиа выдел ют напр же-ние огибающей воспроизводимых сигналов , пропорционально преобразуют это напр жение и используют его в качестве порогового напр жени .from amplifying signals from a magnetic carrier, by amplifying them and forming a reproducible signal at a time when the signal reaches the logical level, the stress of the envelope of the reproduced signals, proportionally transform this voltage, and use it as a threshold voltage.
Ка чертеже приведен пример реавдзации предлагаемого способа выделени импульсов.The drawing shows an example of the revavdization of the proposed method of pulse extraction.
Устройство, реализующее данный способ , содержит усилитель воспроизведени 1, детектор 2, пропорциональный пре образователь 3i выполненный, например, на делителе напр жени , и пороховый элемент 4. Входом вл етс шина А, а выходом - шина В,A device implementing this method contains a playback amplifier 1, a detector 2, a proportional transducer 3i made, for example, on a voltage divider, and a powder element 4. The input is bus A, and the output is bus B,
Воспроизводимый головкой (на чертеже не показана) сигнал поступает по шине А на усилитель 1 и далее на детектор 2, который выдел ет огибающую сигналов. Затем напр жение огибающей поступает на пропорциональный преобразователь 3, который вырабатывает напр жение , соответствующее уровню напр жени сигнала при максимальной производной воспроизводимого сигнала, которое обеспечивает наиболее веро тное и точное воспроизведение.A reproducible head (not shown) sends the signal through bus A to amplifier 1 and then to detector 2, which highlights the envelope of the signals. Then, the envelope voltage is supplied to the proportional converter 3, which produces a voltage corresponding to the voltage level at the maximum derivative of the reproduced signal, which provides the most probable and accurate reproduction.
Уровень максимальной крутизшл сиг- .нала равен его амплитуде, умноженнойThe level of the maximum slope of the signal is equal to its amplitude multiplied
на коэффициент lATe, Так как па /азитна амплитудна модул ци сигналов воспроизведе1щ в аппаратуре Mai-iuiTной записи вJшeтc низкочастотной но сравнению с полезным сигналом, то использование преобразованной огибающей в качестве порогового уровн обеспечивает эффективное слеже1ше за изменением амплитуды.by the coefficient lATe. Since the PA / AzIT amplitude modulation of the signals is reproduced in the MI-IUIT recording equipment in JETS low frequency but compared to the useful signal, using the converted envelope as the threshold level provides an efficient follow up of the amplitude change.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU772509879A SU647726A1 (en) | 1977-07-18 | 1977-07-18 | Method of discriminating pulses from signals reproduced from magnetic carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU772509879A SU647726A1 (en) | 1977-07-18 | 1977-07-18 | Method of discriminating pulses from signals reproduced from magnetic carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU647726A1 true SU647726A1 (en) | 1979-02-15 |
Family
ID=20718935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU772509879A SU647726A1 (en) | 1977-07-18 | 1977-07-18 | Method of discriminating pulses from signals reproduced from magnetic carrier |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU647726A1 (en) |
-
1977
- 1977-07-18 SU SU772509879A patent/SU647726A1/en active
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