CN106603093A - Frequency synthesis wireless output device - Google Patents
Frequency synthesis wireless output device Download PDFInfo
- Publication number
- CN106603093A CN106603093A CN201611000483.0A CN201611000483A CN106603093A CN 106603093 A CN106603093 A CN 106603093A CN 201611000483 A CN201611000483 A CN 201611000483A CN 106603093 A CN106603093 A CN 106603093A
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- CN
- China
- Prior art keywords
- frequency
- antenna
- signal
- output device
- locking unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0475—Circuits with means for limiting noise, interference or distortion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0491—Circuits with frequency synthesizers, frequency converters or modulators
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention provides a frequency synthesis wireless output device. The frequency synthesis wireless output device comprises a receiving antenna, a frequency synthesizer, a phase locking device, a transmitting antenna, a mode-changing frequency divider and a frequency division preset circuit. A transmitting terminal is configured to combine frequency division power though a power combiner, stabilize the phase fluctuation trough a transmitting antenna array phase shifter and perform independent transmission through an array antenna. According to the mode mentioned above, the frequency synthesis wireless output device provides frequency reference signals with a certain resolution for microwave swept-frequency signals, performs point-to-point locking of the output frequencies of the microwave signals to obtain the swept-frequency output signals with high accuracy and stability, and receives and transmits communication signals through the array antenna to ensure the quality of the signals.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of frequency synthesis is wireless output device.
Background technology
Frequency synthesizer is an important part in Modern wireless communication equipment, directly affects radio communication and sets
Standby performance.Direct synthesis technique of the frequency synthesis technique after early stage（DS）Technology is combined to lock（PLL）, develop into as
Modern Direct Digital（DDS）.Direct Digital has high resolution, and conversion speed is fast, and phase noise is low
The advantages of, more and more important effect is played in wireless communications.With the development of large scale integrated circuit, using phaselocked loop
Frequency synthesis technique have developed many frequency synthesis integrated circuits.Frequency synthesizer is the heart of electronic system, is to determine electricity
The key equipment of subsystem performance, with skills such as communication, DTV, satellite fix, Aero-Space, radar and electronic countermeasures
The development of art, higher and higher requirement is proposed to frequency synthesizer.Frequency synthesis technique is by one or more high stables, height
The standard frequency of accuracy produces the technology of a large amount of discrete frequencies of same high stability and accuracy through certain conversion.Frequently
Since rate blending theory is proposed from the thirties in 20th century, achieved with rapid development, current 4 kind technology has been gradually formed：
Direct Digital Frequency Synthesizer Technology, phase-locked Frequency Synthesis Technique Controlled, direct digital frequency synthesier technology and hybrid frequency synthesis technique.
The content of the invention
The invention mainly solves the technical problem of providing a kind of frequency synthesis wireless output device, microwave swept frequency can be given
Signal provides the frequency reference signal of certain resolving power, and carries out pointwise locking to microwave signal output frequency, to obtain Gao Zhun
The frequency sweep output signal of exactness and stability, and signal of communication is received and sent by array antenna, it is ensured that signal quality.
To solve above-mentioned technical problem, one aspect of the present invention is：Reception antenna, frequency synthesis are provided
Device, phase locking unit, transmission antenna, change mould frequency divider and frequency dividing prewired circuit；
The reception antenna signal output part rate of connections synthesizer, then via phase locking unit, carries out frequency synthesis output；Its
In, the output end of phase locking unit connects a change mould frequency divider, and the output end of the oscillator connects back to phase locking unit and completes phase locking unit
The discrete signal of output end carries out replacement frequency dividing, for the frequency reference signal that phase locking unit provides certain resolving power；The change mould point
The outer connect setting frequency dividing prewired circuit of frequency device.
Preferably, the reception antenna and transmission antenna adopt array antenna structure, wherein independent connecing comprising several
Receive antenna, and each antenna to direction be randomly provided, it is ensured that array antenna can be received to the signal of all directions；The battle array
Array antenna end is all connected with phase shifter, adjusts the phase fluctuation in transmitting procedure.
Preferably, the receiving antenna array signal output part is also connected with signal synthesizer and a/d converter, institute in turn
State a/d converter to be connected on the frequency synthesizer.
Preferably, the transmitting antenna front end is also connected with oscillator and frequency synthesizer in turn, for the letter for synthesizing
Number power combing is carried out, by the transmission of each power-frequency of the carrying out of aerial array independence, improve the anti-interference of sending signal
Performance.
The situation of prior art is different from, the invention has the beneficial effects as follows：Certain point can be provided to microwave sweep signal
The frequency reference signal of power is distinguished, and pointwise locking is carried out to microwave signal output frequency, to obtain high accuracy and stability
Frequency sweep output signal, and signal of communication is received and sent by array antenna, it is ensured that signal quality.
Description of the drawings
Fig. 1 is the schematic diagram of the wireless output device of embodiment of the present invention frequency synthesis.
Fig. 2 is embodiment of the present invention receiving antenna array structure chart.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Referring to the wireless output device of a kind of frequency synthesis that Fig. 1 is provided, it is characterised in that include：Reception antenna, frequency are closed
Grow up to be a useful person, phase locking unit, transmission antenna, become mould frequency divider and frequency dividing prewired circuit；
The reception antenna signal output part rate of connections synthesizer, then via phase locking unit, carries out frequency synthesis output；Its
In, the output end of phase locking unit connects a change mould frequency divider, and the change mould frequency divider output end connects back to phase locking unit and completes to lock phase
The discrete signal of device output end carries out replacement frequency dividing, for the frequency reference signal that phase locking unit provides certain resolving power；The change mould
Frequency divider external connection arranges frequency dividing prewired circuit.
In implementation process, referring to Fig. 2, the reception antenna adopts array antenna structure, wherein independent comprising several
Reception antenna, and each antenna to direction be randomly provided, it is ensured that array antenna can be received to the signal of all directions；It is described
Array antenna output end connects phase shifter, adjusts the phase fluctuation in transmitting procedure.
Transmitting terminal is as shown in Fig. 2 signal is carrying out power conjunction after synthesizing via process through sending side frequency synthesizer
Into, and after passing through phase shifter to its phase fluctuation stably, independently send via transmitting antenna array, improve sending signal
Interference free performance.
The receiving antenna array signal output part is also connected with signal synthesizer and a/d converter, the AD conversion in turn
Device is connected on the frequency synthesizer.
By the way, the wireless output device of the frequency synthesis of the embodiment of the present invention can be provided to microwave sweep signal
The frequency reference signal of certain resolving power, and pointwise locking is carried out to microwave signal output frequency, to obtain high accuracy and steady
The frequency sweep output signal of fixed degree, and signal of communication is received and sent by array antenna, it is ensured that signal quality.
Embodiments of the invention are the foregoing is only, the scope of the claims of the present invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (4)
1. the wireless output device of a kind of frequency synthesis, it is characterised in that include：Reception antenna, frequency synthesizer, phase locking unit, send out
Antennas, change mould frequency divider and frequency dividing prewired circuit；
The reception antenna signal end rate of connections synthesizer, then via phase locking unit, carries out frequency synthesis output；Wherein,
The output end of phase locking unit connects a change mould frequency divider, and the output end of the change mould frequency divider connects back to phase locking unit and completes phase locking unit
The discrete signal of output end carries out replacement frequency dividing, for the frequency reference signal that phase locking unit provides certain resolving power；The change mould point
The outer connect setting frequency dividing prewired circuit of frequency device.
2. the wireless output device of frequency synthesis according to claim 1, it is characterised in that：The reception antenna and transmission day
Line adopts array antenna structure, wherein comprising several independent reception antennas, and each antenna to direction be randomly provided,
Guarantee that array antenna can be received to the signal of all directions；The array antenna end is all connected with phase shifter, adjusts transmitting procedure
In phase fluctuation.
3. the wireless output device of frequency synthesis according to claim 1, it is characterised in that：The receiving antenna array column signal
End is also connected with signal synthesizer and a/d converter in turn, and the a/d converter is connected on the frequency synthesizer.
4. the wireless output device of frequency synthesis according to claim 1, it is characterised in that：The transmitting antenna front end also according to
It is secondary to be connected with oscillator and frequency synthesizer, for carrying out power combing to the signal for synthesizing, by entering for aerial array independence
The transmission of capable each power-frequency, improves the interference free performance of sending signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611000483.0A CN106603093A (en) | 2016-11-14 | 2016-11-14 | Frequency synthesis wireless output device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611000483.0A CN106603093A (en) | 2016-11-14 | 2016-11-14 | Frequency synthesis wireless output device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106603093A true CN106603093A (en) | 2017-04-26 |
Family
ID=58589926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611000483.0A Pending CN106603093A (en) | 2016-11-14 | 2016-11-14 | Frequency synthesis wireless output device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106603093A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320301A (en) * | 1999-08-10 | 2001-10-31 | 皇家菲利浦电子有限公司 | Fractional-N frequency synthesiser |
| CN101558555A (en) * | 2005-06-30 | 2009-10-14 | 柏树半导体公司 | Frequency modulator using a phase loop, and method |
| CN102158239A (en) * | 2010-12-21 | 2011-08-17 | 浙江大学 | Broad-band radio-frequency generation circuit based on VC-TCXO (Voltage Control - Temperature Compensation Crystal Oscillator) array and frequency synthesizing chip |
| CN104062648A (en) * | 2014-07-11 | 2014-09-24 | 武汉大学 | Distributed-network high-frequency ground wave radar system and control method thereof |
| CN104202074A (en) * | 2008-03-11 | 2014-12-10 | 英特尔公司 | Bidirectional iterative beam forming |
| CN105206934A (en) * | 2015-09-08 | 2015-12-30 | 安徽华东光电技术研究所 | Phased array receiving antenna system and operation method thereof |
-
2016
- 2016-11-14 CN CN201611000483.0A patent/CN106603093A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320301A (en) * | 1999-08-10 | 2001-10-31 | 皇家菲利浦电子有限公司 | Fractional-N frequency synthesiser |
| CN101558555A (en) * | 2005-06-30 | 2009-10-14 | 柏树半导体公司 | Frequency modulator using a phase loop, and method |
| CN104202074A (en) * | 2008-03-11 | 2014-12-10 | 英特尔公司 | Bidirectional iterative beam forming |
| CN102158239A (en) * | 2010-12-21 | 2011-08-17 | 浙江大学 | Broad-band radio-frequency generation circuit based on VC-TCXO (Voltage Control - Temperature Compensation Crystal Oscillator) array and frequency synthesizing chip |
| CN104062648A (en) * | 2014-07-11 | 2014-09-24 | 武汉大学 | Distributed-network high-frequency ground wave radar system and control method thereof |
| CN105206934A (en) * | 2015-09-08 | 2015-12-30 | 安徽华东光电技术研究所 | Phased array receiving antenna system and operation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170426 |
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| RJ01 | Rejection of invention patent application after publication |