RU2010115998A - 180 ° Coherent Radio Signal Detector - Google Patents
180 ° Coherent Radio Signal Detector Download PDFInfo
- Publication number
- RU2010115998A RU2010115998A RU2010115998/08A RU2010115998A RU2010115998A RU 2010115998 A RU2010115998 A RU 2010115998A RU 2010115998/08 A RU2010115998/08 A RU 2010115998/08A RU 2010115998 A RU2010115998 A RU 2010115998A RU 2010115998 A RU2010115998 A RU 2010115998A
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- RU
- Russia
- Prior art keywords
- filter
- input
- output
- signal
- harmonic
- Prior art date
Links
- 230000001427 coherent effect Effects 0.000 title claims abstract 3
- 230000010363 phase shift Effects 0.000 claims abstract 2
Landscapes
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Noise Elimination (AREA)
Abstract
Когерентный детектор радиосигналов с фазовой манипуляцией (ФМн) на 180°, состоящий из первого перемножителя сигналов, ФНЧ, квадратора, фильтра первой гармоники, фильтра второй гармоники, фазовращателя на 90°, причем, к информационному входу первого перемножителя сигналов подключен фильтр второй гармоники через квадратор, к опорному его входу подключен фильтр первой гармоники через фазовращатель на 90°, а к его выходу подключен ФНЧ, отличающийся тем, что в него дополнительно введены сумматор сигналов, фильтр постоянной составляющей, дифференциатор, триггер, элемент исключения постоянной составляющей, второй перемножитель сигналов, линия задержки, причем, к выходу фильтра второй гармоники подключены последовательно сумматор сигналов, дифференциатор, триггер, элемент исключения постоянной составляющей, второй перемножитель сигналов, выход которого соединен со входом фильтра первой гармоники, а второй его вход подключен к выходу сумматора сигналов; второй вход сумматора соединен с выходом квадратора через фильтр постоянной составляющей; линия задержки включена между входом квадратора и информационным входом первого перемножителя сигналов. A 180 ° coherent phase-shift radio signal detector (QPSK) consisting of a first signal multiplier, a low-pass filter, a quadrator, a first harmonic filter, a second harmonic filter, a 90 ° phase shifter, and a second harmonic filter is connected to the information input of the first signal multiplier via a quadrator , the filter of the first harmonic is connected to its reference input through a 90 ° phase shifter, and a low-pass filter is connected to its output, characterized in that an adder of signals, a filter of a constant component, and a differential are additionally introduced into it a cytator, a trigger, an element for eliminating a DC component, a second signal multiplier, a delay line, moreover, a signal adder is connected in series to the output of the second harmonic filter, a differentiator, a trigger, an element for eliminating a DC component, a second signal multiplier, the output of which is connected to the input of the first harmonic filter, and its second input is connected to the output of the signal adder; the second input of the adder is connected to the output of the quadrator through a DC filter; a delay line is connected between the input of the quad and the information input of the first signal multiplier.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2010115998/08A RU2439830C1 (en) | 2010-04-23 | 2010-04-23 | Coherent detector of radio signals with phase manipulation by 180° |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2010115998/08A RU2439830C1 (en) | 2010-04-23 | 2010-04-23 | Coherent detector of radio signals with phase manipulation by 180° |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2010115998A true RU2010115998A (en) | 2011-10-27 |
| RU2439830C1 RU2439830C1 (en) | 2012-01-10 |
Family
ID=44997813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2010115998/08A RU2439830C1 (en) | 2010-04-23 | 2010-04-23 | Coherent detector of radio signals with phase manipulation by 180° |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2439830C1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2745852C1 (en) * | 2020-10-23 | 2021-04-02 | Федеральное государственное автономное образовательное учреждение высшего образования "Российский университет транспорта" (ФГАОУ ВО РУТ (МИИТ), РУТ (МИИТ) | Signal detector with 180 ° absolute phase manipulation |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2101821B (en) * | 1981-07-16 | 1984-11-14 | Standard Telephones Cables Ltd | Radio receiver for frequency shift keyed signals |
| DE3689746T2 (en) * | 1985-06-21 | 1994-09-22 | Hitachi Ltd | Recording and reproducing device using a modulator / demodulator with shifted quaternary phase difference keying. |
| RU2113062C1 (en) * | 1994-09-28 | 1998-06-10 | Московский государственный университет путей сообщения | Reference-wave shaper for detecting phase-keyed signals |
-
2010
- 2010-04-23 RU RU2010115998/08A patent/RU2439830C1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| RU2439830C1 (en) | 2012-01-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20140424 |