CN103326753A - Method and system of use of wireless reference signal source with constant frequency - Google Patents
Method and system of use of wireless reference signal source with constant frequency Download PDFInfo
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- CN103326753A CN103326753A CN2013101918904A CN201310191890A CN103326753A CN 103326753 A CN103326753 A CN 103326753A CN 2013101918904 A CN2013101918904 A CN 2013101918904A CN 201310191890 A CN201310191890 A CN 201310191890A CN 103326753 A CN103326753 A CN 103326753A
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Abstract
The invention relates to a method and system of use of a wireless reference signal source with constant frequency. The method of use of the wireless reference signal source with the constant frequency comprises the steps that wireless signals are given out by a source signal emission device, and the source signals are received by a source signal receiving device, signal processing is carried out, and the signals are used for data processing in follow-up work. The system of use of the wireless reference signal source with the constant frequency comprises the source signal emission device and the source signal receiving device which is matched with the source signal emission device, wherein the source signal emission device at least comprises a source signal generator and a source signal emission module, the source signal generator and the source signal emission module are connected, the source signal receiving device at least comprises a source signal receiving module and a source signal processing module, and the source signal receiving module and the source signal processing module are connected. When the method and system of use of the wireless reference signal source with the constant frequency is adopted, the source signals received by different source signal receiving devices are consistent, signal features are identical, subsequent united processing is facilitated, a signal source does not need to be set for a signal using terminal in a source signal coverage area, and when the signal using terminal needs using, the source signals can be directly received through the source signal receiving module, and a large amount of production cost and maintenance cost can be reduced.
Description
Technical field
The present invention relates to a kind of signal using method, relate in particular to and a kind ofly adopt with a kind of signal as the using method of the wireless reference signal source of the constant frequency of basis signal and adopt the use system of this method at same career field.
Background technology
At present, need to use the big more options of enterprise or mechanism of wireless signal that the basis signal source is set oneself in the work, even the oscillating circuit that electronic installation all is provided with oneself is as signal source, when a plurality of users need the identical source signal of foundation to carry out work, make the source signal as basis signal of its generation be tending towards identical although can regulate each user's signal source, but unavoidably will have certain error, it is very difficult reaching each signal source in full accord, and permissible accuracy is more highly difficult more big.
Summary of the invention
For overcoming the above-mentioned defective of prior art, the object of the present invention is to provide a kind of using method and use system of wireless reference signal source of constant frequency, can make the signal in same field use terminal to use with a kind of basis signal.
The technical solution used in the present invention is: a kind of using method of wireless reference signal source of constant frequency, continue or send discontinuously the wireless signal as standard signal source in covering certain space zone by the source signal emitter, receive described wireless signal as its basis signal by the source signal receiving system that matches with described source signal emitter, handle the data processing that the back is used for follow-up work by described basis signal being carried out signal.
Described wireless signal is preferably the wireless signal of fixed frequency.
Described wireless signal can be radio signal or digital signal.
Described wireless signal can adopt ground and/or aerial communication system as delivering path.
The mode that described signal is handled is preferably and changes frequently or secondary coding.
A kind of use system of wireless reference signal source of constant frequency of using method of the wireless reference signal source that adopts above-mentioned constant frequency, the source signal receiving system that comprises the source signal emitter and match with it, described source signal emitter comprises interconnective source signal generator and source signal transmitter module at least, and described source signal receiving system comprises interconnective source signal receiver module and source signal processing module at least.
Can be connected with modulator, pre-amplifier, analog to digital converter and encoder in turn between described source signal generator and the source signal transmitter module, described modulator can be connected with carrier-frequency oscilaltor.
Can be connected with band pass filter, amplifier, decoder, digital to analog converter and demodulator in turn between described source signal receiver module and the source signal processing module, described source signal processing module can comprise frequency multiplier, band pass filter, analog to digital converter and the encoder that connects successively.
The use system of the wireless reference signal source of described constant frequency can also comprise that several are used for relay or the relay station of source signal transmission.
Described source signal receiving system can also comprise the processing signals transport module for the source signal after the transmission process that is connected with described source signal processing module.
Beneficial effect of the present invention: adopt the present invention, the source signal that the same source signal emitter that different source signal receiving systems receives sends is consistent, and signal characteristic is in full accord, is convenient to the unified of follow-up signal or data and handles.
Make wireless signal cover specific region (as a state or area) by source signal emitter and ancillary transmission equipment, source signal receiving system in the specific region all can receive source signal, can carry out follow-up use after treatment, do not need to use terminal (as enterprise for each or every a plurality of signal, the focal pointe) basis signal source (as signal generator) all is set, only need receive the source signal of disperse in the space when needing to use signal gets final product, can save a large amount of relevant devices for the production of the basis signal source, industrial resources such as parts and raw material, and corresponding maintenance cost, simultaneously, because each source signal receiving device is all so that it was received from the same signal of same signal source as basis signal, eliminated the error that occurs because of unlike signal generator/oscillating circuit, guarantee the consistency of each user source signal thus, greatly improved the precision of follow-up signal.
Description of drawings
Fig. 1 is the flow chart of the inventive method;
Fig. 2 is the schematic diagram of a kind of embodiment of the source signal emitter of system of the present invention;
Fig. 3 is the schematic diagram of a kind of embodiment of the source signal receiving system of system of the present invention.
Embodiment
Referring to Fig. 1, the invention provides a kind of using method of wireless reference signal source of constant frequency, continue or send discontinuously the wireless signal as standard signal source in covering certain space zone by the source signal emitter, receive described wireless signal as its basis signal by the source signal receiving system that matches with described source signal emitter, handle the data processing that the back is used for follow-up work by described basis signal being carried out signal, the processing mode of described basis signal is preferably changes frequently or simple signal processing mode such as secondary coding, in order to do not increase the complexity of interlock circuit.
Preferably, described source signal emitter sends wireless signal constantly, so that when needs use described source signal, can receive described source signal by described source signal receiving system at any time.
Described wireless signal is preferably the wireless signal of fixed frequency, and described wireless signal can be radio signal or digital signal, can adopt ground and/or aerial communication system as delivering path.
Generally, described source signal emitter can corresponding multiple source signals receiving system, source signal by described source signal emitter emission can cover a certain zone by the auxiliary of other communication system, country, regional or global, make all the described source signal receiving systems in this overlay area all can receive the source signal that described source signal emitter sends, after the signal of described source signal is handled, the data that can be directly used in follow-up work are handled, if exist a plurality of signals to use terminal in the follow-up work, source signal after can also will handling by corresponding sender unit is launched, and uses terminal to receive at any time for a plurality of signals.Preferably, the dedicated source signal that a fixed frequency is used in same field in the overlay area of source signal is as shared resource (as general carrier frequency etc.), the source signal of different field can adopt same source signal emitter emission, also can adopt different source signal emitter emissions respectively, certainly, different field in the overlay area of source signal is (as highway, railway, aviation, space flight navigations etc.) the dedicated source signal that also can use a fixed frequency jointly can be joined the different usefulness of same frequency that (signal after the different processing that obtain of frequency multiplication number of times is then different) or difference secondary coding-decoding are realized source signal by changing frequency division as shared resource behind the source signal receiving system reception sources signal of different field.This technology is applied to a certain zone, country, area or global, can maximally utilise the wireless signal resource, do not need to use terminal that basis signal source (as signal generator) all is set for each or every a plurality of signal in this zone, when needing to use signal, only needing to receive the source signal of disperse in the space gets final product, can save a large amount of industrial resources such as relevant device, parts and raw material for the production of the basis signal source, and corresponding maintenance cost.
Referring to Fig. 2 and Fig. 3, the present invention also provides a kind of use system of wireless reference signal source of constant frequency of using method of the wireless reference signal source that adopts above-mentioned constant frequency, the source signal receiving system that comprises the source signal emitter and match with it, described source signal emitter comprises interconnective source signal generator and source signal transmitter module at least, be used for generating and sending source signal, make the source signal disperse in the space in the zone that needs cover, described source signal receiving system comprises interconnective source signal receiver module and source signal processing module at least, for receiving described source signal when needed and source signal being handled accordingly, generally, described source signal processing module can be connected with the processing signals transport module, the source signal that is used for described source signal processing module was handled transfers out, use terminal to receive for a plurality of signals, described processing signals transport module preferably adopts the working method of wireless transmission.
Described source signal generator is preferably radio signal generator or digital signal generator, can be connected with modulator, pre-amplifier, analog to digital converter and encoder in turn between described source signal generator and the source signal transmitter module, described modulator can be connected with carrier-frequency oscilaltor.
Can be connected with band pass filter, amplifier, decoder, digital to analog converter and demodulator in turn between described source signal receiver module and the source signal processing module, described source signal processing module can comprise frequency multiplier, band pass filter, analog to digital converter and the encoder that connects successively.
Can transmit also disperse without barrier in the whole space that needs the overlay area for the ease of source signal, the use system of the wireless reference signal source of described constant frequency can also comprise that several are used for relay or the relay station of source signal transmission, and described relay or relay station can or be positioned at aerial satellite for the transfer base station that is arranged at ground.
Be that example is described further to apply the present invention to land communications accident early warning field below:
Imagine source signal receiving system and alarm signal receiving system all are installed on every motor vehicles, adopt the source signal of source signal emitter emission fixed frequency, transmission by ground and/or aerial communication system makes the full-time sky of described source signal, disperse seamlessly is in needs overlay area (a state, area or global) whole space, when the motor vehicles in the described source signal overlay area have an accident, described source signal receiving system on these motor vehicles starts automatically and receives described source signal, by the source signal processing module source signal that receives is carried out signal and handle (as changing frequency or secondary coding etc.) generation alarm signal, by the processing signals transport module alarm signal is transferred out then, near the scene of the accident in the certain limit (as the 3-5 kilometer) motor vehicles by as described in alarm signal as described in the automatic reception of alarm signal receiving system, and by alarm terminal (as audible-visual annunciator) warning, the prompting driver is slowed down or hedging, and can be according to the distance of the power of alarm signal indication apart from the scene of the accident, treat accident vehicle removed back (scene of the accident disposes) but source signal receiving system on the manual-lock accident vehicle.Apply the present invention to land communications accident early warning field, when traffic accident takes place, can prevent effectively that the traffic accident that many cars shunt into one another from taking place, especially under the lower anomalous weather condition of visibility such as sleet mist, can reduce the pileup odds greatly, avoid the accident upgrading, improved the life security index in the land communications.
Claims (10)
1. the using method of the wireless reference signal source of a constant frequency, it is characterized in that continuing or sending discontinuously by the source signal emitter wireless signal as standard signal source in covering certain space zone, receive described wireless signal as its basis signal by the source signal receiving system that matches with described source signal emitter, handle the data processing that the back is used for follow-up work by described basis signal being carried out signal.
2. the using method of the wireless reference signal source of constant frequency as claimed in claim 1 is characterized in that described wireless signal is the wireless signal of fixed frequency.
3. the using method of the wireless reference signal source of constant frequency as claimed in claim 2 is characterized in that described wireless signal is radio signal or digital signal.
4. the using method of the wireless reference signal source of constant frequency as claimed in claim 3 is characterized in that described wireless signal adopts ground and/or aerial communication system as delivering path.
5. as the using method of the wireless reference signal source of claim 1,2,3 or 4 described constant frequencies, it is characterized in that mode that described signal handles is for changing frequency or secondary coding.
6. use system that adopts the wireless reference signal source of the constant frequency of the using method of the wireless reference signal source of any described constant frequency of claim among the claim 1-5, the source signal receiving system that it is characterized in that comprising the source signal emitter and match with it, described source signal emitter comprises interconnective source signal generator and source signal transmitter module at least, and described source signal receiving system comprises interconnective source signal receiver module and source signal processing module at least.
7. the use system of the wireless reference signal source of constant frequency as claimed in claim 6, it is characterized in that being connected with modulator, pre-amplifier, analog to digital converter and encoder in turn between described source signal generator and the source signal transmitter module, described modulator is connected with carrier-frequency oscilaltor.
8. the use system of the wireless reference signal source of constant frequency as claimed in claim 7, it is characterized in that being connected with band pass filter, amplifier, decoder, digital to analog converter and demodulator in turn between described source signal receiver module and the source signal processing module, described source signal processing module comprises frequency multiplier, analog to digital converter and the encoder that connects successively.
9. the use system of the wireless reference signal source of constant frequency as claimed in claim 8 is characterized in that also comprising that several are used for relay or the relay station of source signal transmission.
10. as the use system of the wireless reference signal source of claim 6,7,8 or 9 described constant frequencies, it is characterized in that described source signal receiving system also comprises the processing signals transport module that is used for the source signal after the transmission process that is connected with described source signal processing module.
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| CN2013101918904A CN103326753A (en) | 2013-05-22 | 2013-05-22 | Method and system of use of wireless reference signal source with constant frequency |
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| CN2013101918904A CN103326753A (en) | 2013-05-22 | 2013-05-22 | Method and system of use of wireless reference signal source with constant frequency |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1285978A (en) * | 1997-09-08 | 2001-02-28 | 艾利森公司 | Systems and methods for sharing reference frequency signals within a wireless mobile terminal between sireless transceiver and a global positioning system receiver |
| CN102332960A (en) * | 2010-06-07 | 2012-01-25 | 索尼公司 | Signal transmission system and equipment, reference signal are sent and receiving equipment |
| CN102404023A (en) * | 2010-09-09 | 2012-04-04 | 索尼公司 | Signal sending device, electronic instrument, reference signal outputting device, communication device, reference signal receiving device and signal transmission method |
| CN103096486A (en) * | 2011-11-04 | 2013-05-08 | 美国博通公司 | Reference Oscillator Arbitration And Scheduling For Multiple Wireless Subsystems |
-
2013
- 2013-05-22 CN CN2013101918904A patent/CN103326753A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1285978A (en) * | 1997-09-08 | 2001-02-28 | 艾利森公司 | Systems and methods for sharing reference frequency signals within a wireless mobile terminal between sireless transceiver and a global positioning system receiver |
| CN102332960A (en) * | 2010-06-07 | 2012-01-25 | 索尼公司 | Signal transmission system and equipment, reference signal are sent and receiving equipment |
| CN102404023A (en) * | 2010-09-09 | 2012-04-04 | 索尼公司 | Signal sending device, electronic instrument, reference signal outputting device, communication device, reference signal receiving device and signal transmission method |
| CN103096486A (en) * | 2011-11-04 | 2013-05-08 | 美国博通公司 | Reference Oscillator Arbitration And Scheduling For Multiple Wireless Subsystems |
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