SU115019A1 - The method of selection has a narrow spectrum, but a weak signal intensity, against the background of strong intensity and having a wide spectrum of interference - Google Patents
The method of selection has a narrow spectrum, but a weak signal intensity, against the background of strong intensity and having a wide spectrum of interferenceInfo
- Publication number
- SU115019A1 SU115019A1 SU455938A SU455938A SU115019A1 SU 115019 A1 SU115019 A1 SU 115019A1 SU 455938 A SU455938 A SU 455938A SU 455938 A SU455938 A SU 455938A SU 115019 A1 SU115019 A1 SU 115019A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- spectrum
- interference
- intensity
- background
- selection
- Prior art date
Links
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Description
Изобретение относитс к способам борьбы с помехами путем повторени и накоплени звуковых сигналов узкого спектра.The invention relates to methods of dealing with interference by repeating and accumulating the audio signals of a narrow spectrum.
Известны способы получени сигналов с узким спектром при помощи полосовых фильтров. При получении сигналов с П-образной формой спектра, используемых при разных акустических измерени х, полосовой фильтр очень усложн етс и становитс дорогим и громоздким устройством .Methods are known for producing narrow spectrum signals using band-pass filters. When receiving signals with a U-shaped spectrum used for different acoustic measurements, the band-pass filter is very complicated and becomes an expensive and cumbersome device.
в описываемом способе упрощение выделени сигнала достигаетс применением простого полосового фильтра и многократной перезаписи сигнала на звуконоситель.In the described method, the simplification of signal extraction is achieved by using a simple band-pass filter and repeatedly rewriting the signal to the sound carrier.
Способ может быть применен в тех случа х, когда возникает необходимость выделени обладающего узким спектром, но слабого по интенсивности сигнала на фоне интенсивных и имеющих широкий спектр помех, в частности при получении звуковых сигналов с фонограммой энергетического спектра П-образной формы.The method can be applied in cases when there is a need to separate a narrow-spectrum, but low-intensity signal against the background of intense and having a wide spectrum of interference, in particular when receiving audio signals with a phonogram of the energy spectrum of the U-shape.
Сигнал сплошного или щирокого спектра с выхода генератора бе ,ioro щу.ма поступает на вход простого по.юсового фильтра. Выделенна фильтром полоса звуковых частот записываетс на ленте магнитофона . Затем записанный сигнал воспроизводитс через тот же или аналогичный полосовой фильтр на втором магнитофоне и через фильтр снова поступает дл записи на нервый магнитофон и т. д. до тех пор, riOKa не получитс сигнал необходимой формы энергетического спектра.The signal of a continuous or broad spectrum from the output of the generator Be, ioro schu.ma enters the input of a simple fine filter. The audio band selected by the filter is recorded on a tape recorder. The recorded signal is then reproduced through the same or a similar bandpass filter on the second tape recorder and goes through the filter again to the tape recorder, etc., until riOKa receives the signal of the required form of the energy spectrum.
Предмет изобретени Subject invention
Способ выделени обладающего узким спектром, но слабого по интенсивности сигнала на фоне, сильных по интенсивности и имеющих широкий спектр помех, в частности дл получени шумовых сигналов с П-образным спектром из белого шума , основанный на многократном повторении сигнала пропускаемого через полосовой фильтр, отличающийс тем, что, с целью возможности применени простого поЛ юсового ф Л1;Тра, прошедший 4t.:)i---: фильтр сигнал записывают на звуК;носитс/1е . и записанный ciiriia; вновь пропускают через тот же и/ш другой аг1алог 1Ч1П5п 1 по;1осов( 2 i (-(.ibT|i i вновь записывают на ззуконоснтглс: , и такую псрезанись нолтор ют .иобое т)сбуемое чис.ю раз. пока снгиа, не приобретет требу мую с)A selection method with a narrow spectrum, but weak in intensity, signal against a background, strong in intensity and having a wide spectrum of interference, in particular for receiving noise signals with a U-shaped spectrum from white noise, based on multiple repetition of a signal transmitted through a band-pass filter, differing in that, for the purpose of the possibility of applying a simple half-length F L1; Tra, past 4t.:)i---: the filter records the signal on the sound; carry / 1e. and recorded ciiriia; again, they pass through the same and / w other linkage 1Ч1П5п 1 according to; 1ax (2 i (- (. ibT | ii again write to will acquire the required c)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU455938A SU115019A1 (en) | 1954-12-16 | 1954-12-16 | The method of selection has a narrow spectrum, but a weak signal intensity, against the background of strong intensity and having a wide spectrum of interference |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU455938A SU115019A1 (en) | 1954-12-16 | 1954-12-16 | The method of selection has a narrow spectrum, but a weak signal intensity, against the background of strong intensity and having a wide spectrum of interference |
Publications (1)
Publication Number | Publication Date |
---|---|
SU115019A1 true SU115019A1 (en) | 1957-11-30 |
Family
ID=48387344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU455938A SU115019A1 (en) | 1954-12-16 | 1954-12-16 | The method of selection has a narrow spectrum, but a weak signal intensity, against the background of strong intensity and having a wide spectrum of interference |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU115019A1 (en) |
-
1954
- 1954-12-16 SU SU455938A patent/SU115019A1/en active
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