CN103825666A - Multi-vector frequency hopping wireless electromagnetic wave pit-penetrating transmitting and receiving equipment, system and method - Google Patents
Multi-vector frequency hopping wireless electromagnetic wave pit-penetrating transmitting and receiving equipment, system and method Download PDFInfo
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- CN103825666A CN103825666A CN201410065733.3A CN201410065733A CN103825666A CN 103825666 A CN103825666 A CN 103825666A CN 201410065733 A CN201410065733 A CN 201410065733A CN 103825666 A CN103825666 A CN 103825666A
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Abstract
The invention provides multi-vector frequency hopping wireless electromagnetic wave pit-penetrating transmitting and receiving equipment, system and method. The wireless electromagnetic wave pit-penetrating transmitting equipment comprises a transmitter and a power controller, wherein the transmitter is used for transmitting wireless electromagnetic wave signals on multiple frequency points in a frequency hopping mode according to a preset frequency point list; the power controller is used for controlling power of the wireless electromagnetic wave signals of the same frequency point to be constant during transmitting; the power controller is connected with the transmitter. According to the underground multi-vector frequency hopping wireless electromagnetic wave pit-penetrating transmitting equipment, the wireless electromagnetic waves signals can be transmitted through multiple frequency points, and the problem that due to the fact that transmitting is carried out through a single frequency point, a receiving end cannot receive a signal is avoided.
Description
Technical field
The present invention relates to radio magnetic wave and cheat Detection Techniques, relate in particular to a kind of many vectors frequency hopping wireless electromagnetic wave and cheat transmitting and receiving equipment, system and method.
Background technology
Radio magnetic wave tunnel perspective (claim again hole saturating method) is a kind of electromagnetic wave detection method, is in boring or tunnel, and some phenomenons of utilizing radio wave to observe in rock, ore deposit medium communication process are carried out a kind of method of Underground object.While propagation in coal seam due to electromagnetic wave, the medium of different resistivity is different to electromagnetic absorption, and the medium that resistivity is little absorbs by force to radio magnetic wave, and the wireless electromagnetic intensity of wave receiving is just little, and theoretical field intensity compares, and can form " shadow region ".According to the situation in " shadow region ", just can judge the existence of geologic anomaly body.
Be currently applied to the downhole wireless electromagnetic wave equipment of cheating and be usually operated at 0.3MHz, 0.5MHz and 1.5MHz3 frequency, owing to being subject to operating efficiency and environmental constraints, every task only uses a frequency, and same medium has different Decay Rates to different frequency, this has caused electromagnetic wave under certain frequency to there will be the problem of loss at some abnormal medium.
Summary of the invention
The invention provides a kind of many vectors frequency hopping wireless electromagnetic wave and cheat transmitting and receiving equipment, system and method, the radio magnetic wave signal of cheating equipment transmitting to overcome downhole wireless electromagnetic wave in prior art there will be the problem of loss under certain frequency at some abnormal medium.
First aspect, the invention provides a kind of many vectors frequency hopping wireless electromagnetic wave and cheats transmitter, comprising:
For according to default frequency list, on multiple frequencies, launch the reflector of radio magnetic wave signal with frequency-hopping mode; The lasting cycle of wherein, launching on each frequency is predetermined period;
The power controller that power for the radio magnetic wave signal of controlling same frequency when the transmitting is firm power, described power controller is connected with described reflector.
Alternatively, described frequency is≤frequency of 1.5MHz.
Alternatively, described in each, in frequency, the signal of transmitting is many vectors radio magnetic wave digital signal, and wherein said many vectors radio magnetic wave digital signal has the transmitting field intensity of single vector or multiple vectors;
Described power controller is also identical with the instantaneous power of each vector of next identical described frequency for the instantaneous power of controlling each vector in described frequency.
Second aspect, the invention provides a kind of many vectors frequency hopping wireless electromagnetic wave and cheats receiving equipment, comprising:
For according to default frequency list, receive and detect transmitter with frequency-hopping mode the reception detector at the radio magnetic wave signal of multiple frequency cocycles transmittings; Wherein, the lasting cycle of detecting on described frequency is predetermined period;
For recording the register of signal message of the radio magnetic wave signal in frequency corresponding to described frequency list that described reception detector detects; Described register is connected with described reception detector.
Alternatively, described register also for:
In the described frequency list that described reception detector is not detected, the frequency point information of corresponding frequency is recorded as NULL; And/or,
The signal message of the radio magnetic wave signal in the described frequency list that described reception detector is not detected in corresponding frequency is recorded as NULL.
Alternatively, described frequency is≤frequency of 1.5MHz.
Alternatively, the signal receiving in frequency described in each is many vectors radio magnetic wave digital signal, and wherein said many vectors radio magnetic wave digital signal has the transmitting field intensity of single vector or multiple vectors;
Described register also for: the vector signal information recording in the described frequency that described reception detector is not detected is NULL.
The third aspect, the invention provides a kind of many vectors frequency hopping wireless electromagnetic wave hole transmitting and receiving system thoroughly, comprising:
As the radio magnetic wave as described in arbitrary in first aspect is cheated transmitter, and cheat receiving equipment as the radio magnetic wave as described in arbitrary in second aspect.
Fourth aspect, the invention provides a kind of many vectors frequency hopping wireless electromagnetic wave signal launching technique, comprising:
According to default frequency list, on multiple frequencies, launch radio magnetic wave signal with frequency-hopping mode;
Controlling the power when the transmitting with the radio magnetic wave signal of frequency is firm power.
Alternatively, described frequency is≤frequency of 1.5MHz.
Alternatively, in each frequency, the signal of transmitting is many vectors radio magnetic wave digital signal, and wherein many vectors radio magnetic wave digital signal has the transmitting field intensity of single vector or multiple vectors;
In described frequency the instantaneous power of each vector and the identical described frequency of the next one the instantaneous power of each vector identical.
The 5th aspect, the invention provides a kind of many vectors frequency hopping wireless electromagnetic wave signal method of reseptance, comprising:
According to default frequency list, receive and detect the radio magnetic wave signal of launching with frequency-hopping mode circulation on the frequency of described frequency list;
The signal message of the radio magnetic wave signal in the described frequency list that record detects in the frequency of correspondence.
Alternatively, also comprise:
The frequency point information of corresponding frequency in the described frequency list not detecting is recorded as to NULL; And/or,
The signal message of the radio magnetic wave signal in corresponding frequency in the described frequency list not detecting is recorded as to NULL.
Alternatively, described frequency is≤frequency of 1.5MHz.
Alternatively, the signal receiving in each frequency is many vectors radio magnetic wave digital signal, and wherein many vectors radio magnetic wave digital signal has the transmitting field intensity of single vector or multiple vectors;
Be NULL by the vector signal information recording in the described frequency not detecting.
Many vectors of the present invention frequency hopping wireless electromagnetic wave hole transmitting and receiving equipment thoroughly, system and method, cheat transmitter according to default frequency list by many vectors frequency hopping wireless electromagnetic wave, on multiple frequencies, launch radio magnetic wave signal with frequency-hopping mode, corresponding many vectors frequency hopping wireless electromagnetic wave is cheated receiving equipment and is received detection at receiving terminal, realize down-hole many vectors frequency hopping wireless electromagnetic wave equipment of cheating and in the time launching radio magnetic wave signal, can adopt multiple frequencies transmittings, avoid only adopting single frequency transmitting to cause receiving terminal cannot receive the problem of signal, solve downhole wireless electromagnetic wave in prior art and cheated the radio magnetic wave signal of equipment transmitting there will be loss under certain frequency problem at some abnormal medium.
Accompanying drawing explanation
Fig. 1 is the structural representation that many vectors of the present invention frequency hopping wireless electromagnetic wave is cheated transmitter embodiment mono-;
Fig. 2 is that the many vectors frequency hopping wireless electromagnetic wave shown in Fig. 1 is cheated transmitter emission process schematic diagram;
Fig. 3 is the structural representation that many vectors of the present invention frequency hopping wireless electromagnetic wave is cheated receiving equipment embodiment mono-;
Fig. 4 is that the many vectors frequency hopping wireless electromagnetic wave shown in Fig. 3 is cheated receiving equipment receiving course schematic diagram;
Fig. 5 is the flow chart of many vectors of the present invention frequency hopping wireless electromagnetic wave signal launching technique embodiment mono-;
Fig. 6 is the flow chart of many vectors of the present invention frequency hopping wireless electromagnetic wave signal method of reseptance embodiment mono-;
Fig. 7 is the structural representation of the saturating transmitting in many vectors of the present invention frequency hopping wireless electromagnetic wave hole and receiving system embodiment.
Embodiment
Fig. 1 is the structural representation that many vectors of the present invention frequency hopping wireless electromagnetic wave is cheated transmitter embodiment mono-, and Fig. 2 is that the many vectors frequency hopping wireless electromagnetic wave shown in Fig. 1 is cheated transmitter emission process schematic diagram.As shown in Figure 1, many vectors of the present embodiment frequency hopping wireless electromagnetic wave is cheated transmitter 10 and can be comprised:
For according to default frequency list, on multiple frequencies, launch the reflector 101 of radio magnetic wave signal with frequency-hopping mode; The lasting cycle of wherein, launching on each frequency is predetermined period;
The power controller 102 that power for the radio magnetic wave signal of controlling same frequency when the transmitting is firm power, power controller 102 is connected with reflector 101.
Alternatively, reflector 101, specifically for:
The frequency of choosing successively frequency list according to predetermined period transmits.
Alternatively, frequency is≤frequency of 1.5MHz.
Alternatively, in each frequency, the signal of transmitting is many vectors radio magnetic wave digital signal, and wherein many vectors radio magnetic wave digital signal has the transmitting field intensity of single vector or multiple vectors;
Described power controller is also identical with the instantaneous power of each vector of next identical described frequency for the instantaneous power of controlling each vector in described frequency.
Particularly, many vectors frequency hopping wireless electromagnetic wave of the present embodiment is cheated transmitter 10 and can be applied in downhole wireless electromagnetic wave and cheat in Detection Techniques, can consult in advance to set frequency list at transmitting terminal and receiving terminal, as shown in Figure 2, many vectors frequency hopping wireless electromagnetic wave is cheated the reflector 101 of transmitter 10 digital signal of transmitting terminal (being digital signaling zero in Fig. 2, digital signal 1 etc.) is launched on each frequency in frequency list successively with frequency-hopping mode, recycles frequency in frequency list until signal battery has fired always.The lasting cycle transmitting on each frequency is predetermined period.
When frequency in frequency list is chosen, meet as much as possible selected frequency and can penetrate medium.
As selected analog signal function curve He
xcan pass through pulse code modulation method or pulse-width modulation method, analog signal is converted to many vectors radio magnetic wave digital signal.Wherein H is transmitting field intensity, H=(H
0, H
1h
n), n>=1, comprises multiple vectors.As shown in Figure 2, can be the digital signal of being changed by curvilinear function, wherein digital signaling zero (0,1 ... n), can be single vector signal, can be also many vector signals.Specify when selected analog signal function curve is y=1 straight line, can directly be modulated into single vector signal.
Many vectors frequency hopping wireless electromagnetic wave of the present embodiment is cheated transmitter and is comprised: for according to default frequency list, launch the reflector of radio magnetic wave signal with frequency-hopping mode on multiple frequencies; The power controller that power for the radio magnetic wave signal of controlling same frequency when the transmitting is firm power, realize down-hole many vectors frequency hopping wireless electromagnetic wave equipment of cheating and in the time launching radio magnetic wave signal, can adopt multiple frequencies transmittings, avoid selected single frequency under some special media, cannot penetrate the problem that causes receiving terminal not receive signal, and under single frequency point to some medium insensitive and in inverting abnormal medium go out the problem of active.
Fig. 3 is the structural representation that many vectors of the present invention frequency hopping wireless electromagnetic wave is cheated receiving equipment embodiment mono-, and Fig. 4 is that the many vectors frequency hopping wireless electromagnetic wave shown in Fig. 3 is cheated receiving equipment receiving course schematic diagram.As shown in Figure 3, many vectors of the present embodiment frequency hopping wireless electromagnetic wave is cheated receiving equipment 30 and can be comprised:
For according to default frequency list, receive and detect the reception detector 301 of the radio magnetic wave signal of launching with frequency-hopping mode circulation on the frequency of described frequency list; Wherein, the lasting cycle of detecting on described frequency is predetermined period;
For recording the register 302 of the signal message that receives the radio magnetic wave signal in frequency corresponding to the frequency list that detects of detector 301; Register 302 is connected with reception detector 301.
Alternatively, register 302 also for:
In the described frequency list that reception detector 301 is not detected, the frequency point information of corresponding frequency is recorded as NULL; And/or,
The signal message of the radio magnetic wave signal in the frequency list that reception detector 301 is not detected in corresponding frequency is recorded as NULL.
Alternatively, frequency is≤frequency of 1.5MHz.
Particularly, the reception detector 301 that many vectors frequency hopping wireless electromagnetic wave is cheated receiving equipment 30 detects the radio magnetic wave digital signal that receiving terminal receives, described frequency list is that transmitting terminal and receiving terminal consult in advance, as shown in Figure 4, according to frequency list successively detection signal, as signal (being digital signaling zero in Fig. 4) detected at frequency 0, register 302 records the signal message of this frequency, the lasting cycle that each frequency detects is predetermined period, until frequency 0 sense cycle finishes to start to detect the signal on frequency 1, repeat above process; Detect the signal of frequency 2, if the signal on frequency 2 or frequency 2 do not detected in predetermined period, the frequency point information that can record this frequency is that the signal message in NULL or this frequency is NULL(null value), moment of starting at next frequency is detected and continues to detect the signal on next frequency, until signals collecting completes or exceedes regulation detection time.
When frequency in frequency list is chosen, meet as much as possible selected frequency and can penetrate medium.
Alternatively, the signal receiving in each frequency is many vectors radio magnetic wave digital signal, and wherein many vectors radio magnetic wave digital signal has the transmitting field intensity of single vector or multiple vectors;
Described register also for: each vector signal information recording in the described frequency that described reception detector is not detected is NULL.
If segment vector input arrives, undetected vector signal information recording is NULL.
As selected analog signal function curve He
xcan pass through pulse code modulation method or pulse-width modulation method, analog signal is converted to many vectors radio magnetic wave digital signal.Wherein H is transmitting field intensity, H=(H
0, H
1h
n), n>=1, comprises multiple vectors.Segment vector signal detected if receive detector 301 0 of frequency, register 302 records the signal message of the segment vector signal of this frequency, is NULL by the information recording of the vector signal in the frequency not detecting.
Finally, can, according to the signal detecting, digital signal be reverted to original analog signal at receiving terminal, until initial function curve.
Wherein, transmitting terminal is cheated transmitter by many vectors frequency hopping wireless electromagnetic wave and is sent the vector data bag A through frequency hopping transmitting in Fig. 2 to receiving terminal, receiving terminal is cheated receiving equipment by many vectors frequency hopping wireless electromagnetic wave and is completed reception vector data bag B, and records vector signal data; Wherein packet B is the data after packet A decays in medium.
This external declaration, packet A can be the curing data bag A of Curve transform, can be also by implementer, appoints and gets curve, through the interim packet A generating of digital encoder according to field condition.
Many vectors frequency hopping wireless electromagnetic wave of the present embodiment is cheated receiving equipment and is comprised: for according to default frequency list, receive successively and detect the reception detector of the radio magnetic wave signal of launching with frequency-hopping mode circulation on the frequency of described frequency list; Wherein, the lasting cycle of detecting on described frequency is predetermined period; For recording the register of the signal message that receives the radio magnetic wave signal in frequency corresponding to the frequency list that detects of detector, realize down-hole many vectors frequency hopping wireless electromagnetic wave and cheated the signal of receiving equipment reception transmitting terminal with multiple frequencies of frequency-hopping mode transmitting, avoid only adopting single frequency transmitter and receiver cannot receive the problem of signal, solved downhole wireless electromagnetic wave in prior art and cheated the radio magnetic wave signal of equipment transmitting there will be loss under certain frequency problem at some abnormal medium.
Fig. 5 is the flow chart of many vectors of the present invention frequency hopping wireless electromagnetic wave signal launching technique embodiment mono-, and as shown in Figure 5, the method for the present embodiment can comprise:
Step 501, according to default frequency list, on multiple frequencies, launch radio magnetic wave signal with frequency-hopping mode; The lasting cycle of wherein, launching on each frequency is predetermined period.
Step 502, to control the power when the transmitting with the radio magnetic wave signal of frequency be firm power.
Alternatively, frequency is≤frequency of 1.5MHz.
Alternatively, in each frequency, the signal of transmitting is many vectors radio magnetic wave digital signal, and wherein many vectors radio magnetic wave digital signal has the transmitting field intensity of multiple vectors;
In described frequency the instantaneous power of each vector and the identical described frequency of the next one the instantaneous power of each vector identical.
The method of the present embodiment, can adopt the structure of apparatus embodiments shown in Fig. 1 to realize, and it realizes principle and technique effect is similar, repeats no more herein.
Fig. 6 is the flow chart of many vectors of the present invention frequency hopping wireless electromagnetic wave signal method of reseptance embodiment mono-, and as shown in Figure 6, the method for the present embodiment can comprise:
The signal message of the radio magnetic wave signal in the frequency list that step 602, record detect in the frequency of correspondence.
Alternatively, the method for the present embodiment can also comprise: the frequency point information of corresponding frequency in the described frequency list not detecting is recorded as to NULL; And/or,
The signal message of the radio magnetic wave signal in corresponding frequency in the described frequency list not detecting is recorded as to NULL.
Alternatively, described frequency is≤frequency of 1.5MHz.
Alternatively, the signal receiving in frequency described in each is many vectors radio magnetic wave digital signal, and wherein many vectors radio magnetic wave digital signal has the transmitting field intensity of single vector or multiple vectors;
Be NULL by the vector signal information recording in the described frequency not detecting.
The method of the present embodiment, can adopt the structure of apparatus embodiments shown in Fig. 3 to realize, and it realizes principle and technique effect is similar, repeats no more herein.
Fig. 7 is the structural representation of the saturating transmitting in many vectors of the present invention frequency hopping wireless electromagnetic wave hole and receiving system embodiment.As shown in Figure 7, many vectors frequency hopping wireless electromagnetic wave hole transmitting and receiving system thoroughly of the present embodiment, can comprise: radio magnetic wave is cheated transmitter 10, and radio magnetic wave is cheated receiving equipment 30.Wherein, radio magnetic wave is cheated transmitter 10 and can adopt the structure of Fig. 1 transmitter embodiment, radio magnetic wave is cheated receiving equipment 30 and can adopt the structure of Fig. 3 receiving equipment embodiment, it accordingly, the technical scheme of embodiment of the method in can execution graph 5～Fig. 6, it realizes principle and technique effect is similar, repeats no more herein.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the method can complete by the relevant hardware of program command.Aforesaid program can be stored in a computer read/write memory medium.This program, in the time carrying out, is carried out the step that comprises above-mentioned each embodiment of the method; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (15)
1. the frequency hopping wireless of vector more than electromagnetic wave is cheated a transmitter, it is characterized in that, comprising:
For according to default frequency list, on multiple frequencies, launch the reflector of radio magnetic wave signal with frequency-hopping mode; The lasting cycle of wherein, launching on each frequency is predetermined period;
The power controller that power for the radio magnetic wave signal of controlling same frequency when the transmitting is firm power, described power controller is connected with described reflector.
2. equipment according to claim 1, is characterized in that, described frequency is≤and the frequency of 1.5MHz.
3. equipment according to claim 1 and 2, is characterized in that, described in each, in frequency, the signal of transmitting is many vectors radio magnetic wave digital signal, and wherein said many vectors radio magnetic wave digital signal has the transmitting field intensity of single vector or multiple vectors;
Described power controller is also identical with the instantaneous power of each vector of next identical described frequency for the instantaneous power of controlling each vector in described frequency.
4. the frequency hopping wireless of vector more than electromagnetic wave is cheated a receiving equipment, it is characterized in that, comprising:
For according to default frequency list, receive and detect transmitter with frequency-hopping mode the reception detector at the radio magnetic wave signal of multiple frequency cocycles transmittings; Wherein, the lasting cycle of detecting on described frequency is predetermined period;
For recording the register of signal message of the radio magnetic wave signal in frequency corresponding to described frequency list that described reception detector detects; Described register is connected with described reception detector.
5. equipment according to claim 4, is characterized in that, described register also for:
In the described frequency list that described reception detector is not detected, the frequency point information of corresponding frequency is recorded as NULL; And/or,
The signal message of the radio magnetic wave signal in the described frequency list that described reception detector is not detected in corresponding frequency is recorded as NULL.
6. according to the equipment described in claim 4 or 5, it is characterized in that, described frequency is≤frequency of 1.5MHz.
7. according to the equipment described in claim 4 or 5, it is characterized in that, the signal receiving in frequency described in each is many vectors radio magnetic wave digital signal, and wherein said many vectors radio magnetic wave digital signal has the transmitting field intensity of single vector or multiple vectors;
Described register also for:
Vector signal information recording in the described frequency that described reception detector is not detected is NULL.
8. the frequency hopping wireless of vector more than electromagnetic wave hole transmitting and a receiving system thoroughly, is characterized in that, comprising:
Radio magnetic wave as described in as arbitrary in claim 1～3 is cheated transmitter, and radio magnetic wave as described in as arbitrary in claim 4～7 is cheated receiving equipment.
9. the frequency hopping wireless of vector more than an electromagnetic wave signal launching technique, is characterized in that, comprising:
According to default frequency list, on multiple frequencies, launch radio magnetic wave signal with frequency-hopping mode;
Controlling the power when the transmitting with the radio magnetic wave signal of frequency is firm power.
10. method according to claim 9, is characterized in that, described frequency is≤and the frequency of 1.5MHz.
11. according to the method described in claim 9 or 10, it is characterized in that, in each frequency, the signal of transmitting is many vectors radio magnetic wave digital signal, and wherein many vectors radio magnetic wave digital signal has the transmitting field intensity of single vector or multiple vectors;
In described frequency the instantaneous power of each vector and the identical described frequency of the next one the instantaneous power of each vector identical.
The electromagnetic wave signal of vector frequency hopping wireless more than 12. 1 kinds method of reseptance, is characterized in that, comprising:
According to default frequency list, receive and detect the radio magnetic wave signal that transmitter is launched in multiple frequency cocycles with frequency-hopping mode;
The signal message of the radio magnetic wave signal in the described frequency list that record detects in the frequency of correspondence.
13. methods according to claim 12, is characterized in that, also comprise:
The frequency point information of corresponding frequency in the described frequency list not detecting is recorded as to NULL; And/or,
The signal message of the radio magnetic wave signal in corresponding frequency in the described frequency list not detecting is recorded as to NULL.
14. according to the method described in claim 12 or 13, it is characterized in that, and described frequency is≤frequency of 1.5MHz.
15. according to the method described in claim 12 or 13, it is characterized in that, the signal receiving in each frequency is many vectors radio magnetic wave digital signal, and wherein many vectors radio magnetic wave digital signal has the transmitting field intensity of single vector or multiple vectors;
Be NULL by the vector signal information recording in the described frequency not detecting.
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| CN103391113A (en) * | 2013-07-03 | 2013-11-13 | 深圳雷柏科技股份有限公司 | Wireless keyboard mouse and frequency hopping RF (Radio Frequency) communication transmitting and receiving method and device thereof |
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| US4686475A (en) * | 1984-07-12 | 1987-08-11 | Denver Mineral Exploration Corp. | Passive geophysical prospection system based upon the detection of the vertical electric field component of telluric currents and method therefor |
| CN101635584A (en) * | 2009-08-21 | 2010-01-27 | 中兴通讯股份有限公司 | Method and system for data transmission of hybrid frequency hopping |
| CN102955175A (en) * | 2012-09-25 | 2013-03-06 | 北京华安奥特科技有限公司 | Self-adaption signal conditioning and sending device and method of wireless underground tunnel scenograph |
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