CN103825666B - Many vectors frequency hopping wireless electromagnetic wave cheats launching and receiving equipment, system and method - Google Patents
Many vectors frequency hopping wireless electromagnetic wave cheats launching and receiving equipment, system and method Download PDFInfo
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- CN103825666B CN103825666B CN201410065733.3A CN201410065733A CN103825666B CN 103825666 B CN103825666 B CN 103825666B CN 201410065733 A CN201410065733 A CN 201410065733A CN 103825666 B CN103825666 B CN 103825666B
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Abstract
The invention provides a kind of many vectors frequency hopping wireless electromagnetic wave and cheat launching and receiving equipment, system and method.Radio magnetic wave of the present invention is cheated transmitter and is comprised: for according to the frequency list preset, launch the reflector of radio magnetic wave signal with frequency-hopping mode on multiple frequency; The power of radio magnetic wave signal when launching for controlling same frequency is the power controller of firm power, and described power controller is connected with described reflector.Present invention achieves down-hole many vectors frequency hopping wireless electromagnetic wave to cheat equipment and multiple frequency can be adopted to launch when launching radio magnetic wave signal, avoid only adopting the transmitting of single frequency to cause receiving terminal cannot receive the problem of signal.
Description
Technical field
The present invention relates to radio magnetic wave and cheat Detection Techniques, particularly relate to a kind of many vectors frequency hopping wireless electromagnetic wave and cheat launching and receiving equipment, system and method.
Background technology
Radio magnetic wave tunnel perspective (also known as the saturating method in hole) is a kind of tromagnetic wave detection method, is that some phenomenons utilizing radio wave to observe in rock, ore deposit medium communication process, carry out a kind of method of Underground object in boring or tunnel.Due to electromagnetic wave propagate in coal seam time, the medium of different resistivity is different to electromagnetic absorption, the medium that resistivity is little, and absorb strong to radio magnetic wave, the wireless electromagnetic intensity of wave received is just little, compares, can be formed in " shadow region " with theoretical field intensity.According to the situation in " shadow region ", the existence of geological anomalous body just can be judged.
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, the electromagnetic wave which results under certain frequency 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 launching and receiving equipment, system and method, the radio magnetic wave signal launched to overcome the equipment of cheating of 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 the frequency list preset, on multiple frequency, launch the reflector of radio magnetic wave signal with frequency-hopping mode; Wherein, the durations each frequency launched is predetermined period;
The power of radio magnetic wave signal when launching for controlling same frequency is the power controller of firm power, and described power controller is connected with described reflector.
Alternatively, described frequency is the≤frequency of 1.5MHz.
Alternatively, the signal launched 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 vector;
The instantaneous power of each vector of the instantaneous power of described power controller also for controlling each vector in described frequency described frequency identical with the next one is identical.
Second aspect, the invention provides a kind of many vectors frequency hopping wireless electromagnetic wave and cheats receiving equipment, comprising:
For according to the frequency list preset, receive and detect the reception detector of the radio magnetic wave signal that transmitter is launched in multiple frequency cocycle with frequency-hopping mode; Wherein, the durations described frequency detected is predetermined period;
For recording the register of the signal message of the radio magnetic wave signal in frequency corresponding in 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 do not detected by described reception detector, 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 do not detected by described reception detector in corresponding frequency is recorded as NULL.
Alternatively, described frequency is the≤frequency of 1.5MHz.
Alternatively, the signal received 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 vector;
Described register also for: the vector signal information in the described frequency do not detect described reception detector is recorded as NULL.
The third aspect, the invention provides a kind of many vectors frequency hopping wireless electromagnetic wave and cheats launching and receiving system, comprising:
As the radio magnetic wave as described in arbitrary in first aspect cheats 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 the frequency list preset, on multiple frequency, launch radio magnetic wave signal with frequency-hopping mode;
The power of radio magnetic wave signal when launching controlled with frequency is firm power.
Alternatively, described frequency is the≤frequency of 1.5MHz.
Alternatively, the signal launched 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 vector;
In described frequency each vector instantaneous power described frequency identical with the next one the instantaneous power of each vector identical.
5th aspect, the invention provides a kind of many vectors frequency hopping wireless electromagnetic wave signal method of reseptance, comprising:
According to the frequency list preset, receive and detect the radio magnetic wave signal that the frequency of described frequency list is launched with frequency-hopping mode circulation;
Record the signal message of the radio magnetic wave signal in frequency corresponding in the described frequency list detected.
Alternatively, also comprise:
The frequency point information of corresponding frequency in the described frequency list do not detected is recorded as NULL; And/or,
The signal message of the radio magnetic wave signal in corresponding frequency in the described frequency list do not detected is recorded as NULL.
Alternatively, described frequency is the≤frequency of 1.5MHz.
Alternatively, the signal received 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 vector;
Vector signal information in the described frequency do not detected is recorded as NULL.
The present invention's many vectors frequency hopping wireless electromagnetic wave cheats launching and receiving equipment, system and method, transmitter is cheated according to the frequency list preset by many vectors frequency hopping wireless electromagnetic wave, on multiple frequency, radio magnetic wave signal is launched with frequency-hopping mode, corresponding many vectors frequency hopping wireless electromagnetic wave is cheated receiving equipment and is carried out reception detection at receiving terminal, achieve down-hole many vectors frequency hopping wireless electromagnetic wave cheat equipment launch radio magnetic wave signal time multiple frequency can be adopted to launch, avoiding only adopting single frequency to launch causes receiving terminal cannot receive the problem of signal, solve the radio magnetic wave signal that the equipment of cheating of downhole wireless electromagnetic wave in prior art launches under certain frequency, there will be the problem of loss at some abnormal medium.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention's many vectors frequency hopping wireless electromagnetic wave cheats transmitter embodiment one;
Fig. 2 cheats transmitter emission process schematic diagram for the many vectors frequency hopping wireless electromagnetic wave shown in Fig. 1;
Fig. 3 is the structural representation that the present invention's many vectors frequency hopping wireless electromagnetic wave cheats receiving equipment embodiment one;
Fig. 4 cheats receiving equipment receiving course schematic diagram for the many vectors frequency hopping wireless electromagnetic wave shown in Fig. 3;
Fig. 5 is the flow chart of the present invention's many vectors frequency hopping wireless electromagnetic wave signal launching technique embodiment one;
Fig. 6 is the flow chart of the present invention's many vectors frequency hopping wireless electromagnetic wave signal method of reseptance embodiment one;
Fig. 7 is the structural representation that the present invention's many vectors frequency hopping wireless electromagnetic wave cheats launching and receiving system embodiment.
Embodiment
Fig. 1 is the structural representation that the present invention's many vectors frequency hopping wireless electromagnetic wave cheats transmitter embodiment one, and Fig. 2 is that the many vectors frequency hopping wireless electromagnetic wave shown in Fig. 1 cheats transmitter emission process schematic diagram.As shown in Figure 1, many vectors frequency hopping wireless electromagnetic wave of the present embodiment is cheated transmitter 10 and can be comprised:
For according to the frequency list preset, on multiple frequency, launch the reflector 101 of radio magnetic wave signal with frequency-hopping mode; Wherein, the durations each frequency launched is predetermined period;
For controlling the power controller 102 that the power of radio magnetic wave signal when launching of same frequency is firm power, power controller 102 is connected with reflector 101.
Alternatively, reflector 101, specifically for:
The frequency choosing frequency list according to predetermined period successively transmits.
Alternatively, frequency is the≤frequency of 1.5MHz.
Alternatively, the signal launched 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 vector;
The instantaneous power of each vector of the instantaneous power of described power controller also for controlling each vector in described frequency described frequency identical with the next one is identical.
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, the list of setting frequency can be consulted in advance at transmitting terminal and receiving terminal, as shown in Figure 2, the digital signal (i.e. digital signaling zero, digital signal 1 etc. in Fig. 2) of transmitting terminal so that each frequency successively in frequency list of frequency-hopping mode to be launched, is recycled frequency in frequency list until signal battery has fired by many vectors frequency hopping wireless electromagnetic wave reflector 101 of cheating transmitter 10 always.The durations that each frequency transmits is predetermined period.
Power controller 102 controls the signal of same frequency when frequency hopping circulation is launched, and transmitting power is constant, and completes corresponding vector instantaneous power control in same frequency, constant with vector instantaneous power corresponding in frequency, ensures the accuracy of Frequency hopping transmissions signal power.
Meet selected frequency when frequency in frequency list is chosen as much as possible and can penetrate medium.
As selected analog signal function curve He
xthrough pulse code modulation method or pulse-width modulation method, analog signal can be converted to many vectors radio magnetic wave digital signal.Wherein H is for launching field intensity, H=(H
0, H
1h
n), n>=1, comprises multiple vector.As shown in Figure 2, can be the digital signal changed by curvilinear function, wherein digital signaling zero (0,1 ... n), namely can be single vector signal, also can be many vector signals.When the selected analog signal function curve of special instruction is y=1 straight line, single vector signal can be become by directly modulation.
Many vectors frequency hopping wireless electromagnetic wave of the present embodiment is cheated transmitter and is comprised: for according to the frequency list preset, launch the reflector of radio magnetic wave signal with frequency-hopping mode on multiple frequency; The power of radio magnetic wave signal when launching for controlling same frequency is the power controller of firm power, achieve down-hole many vectors frequency hopping wireless electromagnetic wave cheat equipment launch radio magnetic wave signal time multiple frequency can be adopted to launch, avoid selected single frequency cannot penetrate the problem causing receiving terminal not receive signal under some special media, 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 the present invention's many vectors frequency hopping wireless electromagnetic wave cheats receiving equipment embodiment one, and Fig. 4 is that the many vectors frequency hopping wireless electromagnetic wave shown in Fig. 3 cheats receiving equipment receiving course schematic diagram.As shown in Figure 3, many vectors frequency hopping wireless electromagnetic wave of the present embodiment is cheated receiving equipment 30 and can be comprised:
For according to the frequency list preset, to receive and with the reception detector 301 of the radio magnetic wave signal of frequency-hopping mode circulation transmitting on the frequency detecting described frequency list; Wherein, the durations described frequency detected is predetermined period;
For recording the register 302 of the signal message of the radio magnetic wave signal received in frequency corresponding in 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 do not detect reception detector 301, 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 do not detect reception detector 301 in corresponding frequency is recorded as NULL.
Alternatively, frequency is the≤frequency of 1.5MHz.
Particularly, the reception detector 301 that many vectors frequency hopping wireless electromagnetic wave cheats 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 (i.e. digital signaling zero in Fig. 4) detected at frequency 0, then register 302 records the signal message of this frequency, the durations that each frequency detects is predetermined period, until frequency 0 sense cycle terminates, 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 then can record this frequency is the signal message in NULL or this frequency is NULL(null value), detect in moment that next frequency starts and continue to detect the signal on next frequency, until signals collecting completes or exceedes regulation detection time.
Meet selected frequency when frequency in frequency list is chosen as much as possible and can penetrate medium.
Alternatively, the signal received 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 vector;
Described register also for: each vector signal information in the described frequency do not detect described reception detector is recorded as NULL.
If segment vector input arrives, undetected vector signal information is recorded as NULL.
As selected analog signal function curve He
xthrough pulse code modulation method or pulse-width modulation method, analog signal can be converted to many vectors radio magnetic wave digital signal.Wherein H is for launching field intensity, H=(H
0, H
1h
n), n>=1, comprises multiple vector.If receive detector 301 segment vector signal only detected at frequency 0, then register 302 records the signal message of the segment vector signal of this frequency, and the information of the vector signal in the frequency do not detected is recorded as NULL.
Finally, according to the signal detected, digital signal can be reverted to original analog signal, until initial function curve at receiving terminal.
Wherein, transmitting terminal is cheated transmitter by many vectors frequency hopping wireless electromagnetic wave and is sent vector data bag A through Frequency hopping transmissions 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 media as well.
This external declaration, packet A can be the curing data bag A of Curve transform, also can be by implementer, appoint get curve according to field condition, through the packet A that digital encoder generates temporarily.
Many vectors frequency hopping wireless electromagnetic wave of the present embodiment is cheated receiving equipment and is comprised: for according to the frequency list preset, and receives successively and the reception detector of the radio magnetic wave signal that the frequency detecting described frequency list is launched with frequency-hopping mode circulation; Wherein, the durations described frequency detected is predetermined period; For recording the register of the signal message of the radio magnetic wave signal received in frequency corresponding in the frequency list that detects of detector, achieve down-hole many vectors frequency hopping wireless electromagnetic wave and cheat the signal that receiving equipment receives multiple frequencies that transmitting terminal is launched with frequency-hopping mode, avoid only adopting single frequency transmitter and receiver cannot receive the problem of signal, solve the radio magnetic wave signal that the equipment of cheating of downhole wireless electromagnetic wave in prior art launches under certain frequency, there will be the problem of loss at some abnormal medium.
Fig. 5 is the flow chart of the present invention's many vectors frequency hopping wireless electromagnetic wave signal launching technique embodiment one, and as shown in Figure 5, the method for the present embodiment can comprise:
The frequency list that step 501, basis are preset, launches radio magnetic wave signal with frequency-hopping mode on multiple frequency; Wherein, the durations each frequency launched is predetermined period.
Step 502, the power of radio magnetic wave signal when launching controlling same frequency are firm power.
Alternatively, frequency is the≤frequency of 1.5MHz.
Alternatively, the signal launched 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 multiple vector;
In described frequency each vector instantaneous power described frequency identical with the next one the instantaneous power of each vector identical.
The method of the present embodiment, the structure of apparatus embodiments shown in Fig. 1 can be adopted to realize, and it realizes principle and technique effect is similar, repeats no more herein.
Fig. 6 is the flow chart of the present invention's many vectors frequency hopping wireless electromagnetic wave signal method of reseptance embodiment one, and as shown in Figure 6, the method for the present embodiment can comprise:
The frequency list that step 601, basis are preset, receives and detects the radio magnetic wave signal that the frequency of frequency list is launched with frequency-hopping mode circulation.
The signal message of the radio magnetic wave signal in frequency corresponding in the frequency list that step 602, record detect.
Alternatively, the method for the present embodiment can also comprise: the frequency point information of corresponding frequency in the described frequency list do not detected is recorded as NULL; And/or,
The signal message of the radio magnetic wave signal in corresponding frequency in the described frequency list do not detected is recorded as NULL.
Alternatively, described frequency is the≤frequency of 1.5MHz.
Alternatively, the signal received 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 vector;
Vector signal information in the described frequency do not detected is recorded as NULL.
The method of the present embodiment, the structure of apparatus embodiments shown in Fig. 3 can be adopted to realize, and it realizes principle and technique effect is similar, repeats no more herein.
Fig. 7 is the structural representation that the present invention's many vectors frequency hopping wireless electromagnetic wave cheats launching and receiving system embodiment.As shown in Figure 7, many vectors frequency hopping wireless electromagnetic wave of the present embodiment cheats launching and receiving system, can comprise: radio magnetic wave cheats transmitter 10, and radio magnetic wave cheats receiving equipment 30.Wherein, radio magnetic wave cheats the structure that transmitter 10 can adopt Fig. 1 transmitter embodiment, radio magnetic wave cheats the structure that receiving equipment 30 can adopt Fig. 3 receiving equipment embodiment, it accordingly, the technical scheme of embodiment of the method in Fig. 5 ~ Fig. 6 can be performed, 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 realizing above-mentioned each embodiment of the method can have been come by the hardware that program command is relevant.Aforesaid program can be stored in a computer read/write memory medium.This program, when performing, performs the step comprising above-mentioned each embodiment of the method; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments 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 (11)
1. the frequency hopping wireless of vector more than electromagnetic wave cheats a transmitter, it is characterized in that, comprising:
For according to the frequency list preset, on multiple frequency, launch the reflector of radio magnetic wave signal with frequency-hopping mode; Wherein, the durations each frequency launched is predetermined period;
The power of radio magnetic wave signal when launching for controlling same frequency is the power controller of firm power, and described power controller is connected with described reflector;
The signal launched 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 vector;
The instantaneous power of each vector of the instantaneous power of described power controller also for controlling each vector in described frequency described frequency identical with the next one is identical.
2. equipment according to claim 1, is characterized in that, described frequency is≤and the frequency of 1.5MHz.
3. the frequency hopping wireless of vector more than electromagnetic wave cheats a receiving equipment, it is characterized in that, comprising:
For according to the frequency list preset, receive and detect the reception detector of the radio magnetic wave signal that transmitter is launched in multiple frequency cocycle with frequency-hopping mode; Wherein, the durations described frequency detected is predetermined period;
For recording the register of the signal message of the radio magnetic wave signal in frequency corresponding in described frequency list that described reception detector detects; Described register is connected with described reception detector;
The signal received 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 vector;
Described register also for:
Vector signal information in the described frequency do not detect described reception detector is recorded as NULL.
4. equipment according to claim 3, is characterized in that, described register also for:
In the described frequency list do not detected by described reception detector, 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 do not detected by described reception detector in corresponding frequency is recorded as NULL.
5. the equipment according to claim 3 or 4, is characterized in that, described frequency is≤and the frequency of 1.5MHz.
6. the frequency hopping wireless of vector more than electromagnetic wave cheats a launching and receiving system, it is characterized in that, comprising:
Radio magnetic wave as claimed in claim 1 or 2 cheats transmitter, and as arbitrary in claim 3 ~ 5 as described in radio magnetic wave cheat receiving equipment.
7. the frequency hopping wireless of vector more than an electromagnetic wave signal launching technique, is characterized in that, comprising:
According to the frequency list preset, on multiple frequency, launch radio magnetic wave signal with frequency-hopping mode;
The power of radio magnetic wave signal when launching controlled with frequency is firm power;
The signal launched 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 vector;
In described frequency each vector instantaneous power described frequency identical with the next one the instantaneous power of each vector identical.
8. method according to claim 7, is characterized in that, described frequency is≤and the frequency of 1.5MHz.
9. the frequency hopping wireless of vector more than an electromagnetic wave signal method of reseptance, is characterized in that, comprising:
According to the frequency list preset, receive and detect the radio magnetic wave signal that transmitter launches in multiple frequency cocycle with frequency-hopping mode;
Record the signal message of the radio magnetic wave signal in frequency corresponding in the described frequency list detected;
The signal received 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 vector;
Vector signal information in the described frequency do not detected is recorded as NULL.
10. method according to claim 9, is characterized in that, also comprises:
The frequency point information of corresponding frequency in the described frequency list do not detected is recorded as NULL; And/or,
The signal message of the radio magnetic wave signal in corresponding frequency in the described frequency list do not detected is recorded as NULL.
11. methods according to claim 9 or 10, is characterized in that, described frequency is≤and the frequency of 1.5MHz.
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| CN102928887A (en) * | 2012-10-22 | 2013-02-13 | 北京华安奥特科技有限公司 | Integrated signal receiving device of radio trench scenograph |
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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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