CN107708146A - The method, apparatus and ICBM SHF satellite terminal of ICBM SHF satellite terminal measured signal power - Google Patents
The method, apparatus and ICBM SHF satellite terminal of ICBM SHF satellite terminal measured signal power Download PDFInfo
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- CN107708146A CN107708146A CN201710877730.3A CN201710877730A CN107708146A CN 107708146 A CN107708146 A CN 107708146A CN 201710877730 A CN201710877730 A CN 201710877730A CN 107708146 A CN107708146 A CN 107708146A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
- H04B17/327—Received signal code power [RSCP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
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Abstract
The invention provides a kind of method, apparatus and ICBM SHF satellite terminal of ICBM SHF satellite terminal measured signal power, it is related to technical field of satellite communication, this method includes：ICBM SHF satellite terminal measures the signal power of m adjacent frequency using current time as starting point in each time subcycle of a switching cycle；When the total duration of switching cycle circulation is more than T firstpWhen, the measurement of one group of n × m frequency is completed, continues the signal power measurement of next group of frequency, until being measured all frequencies to be measured；Wherein, m frequency in each time subcycle of a switching cycle is successively from the frequency of frequency to be measured extraction；Maximum in the signal power that each frequency measurement is obtained is defined as the power measurement values of frequency.The present invention greatly accelerates the power measurement speed of frequency, and the signal power of a large amount of frequencies quickly can be measured.
Description
Technical field
The present invention relates to technical field of satellite communication, more particularly, to a kind of method of ICBM SHF satellite terminal measured signal power,
Device and ICBM SHF satellite terminal.
Background technology
In satellite communication system, search system broadcast singal is first had to after ICBM SHF satellite terminal start, then completes to network
The process of registration.After completing registration, network side just knows the presence of terminal, and terminal just possesses the ability of proper communication in a network
(connect and dial, receive and dispatch short message etc.).In the satellite communication system using frequency division+time-division standard, system broadcasts signal only exists
In on some time slots of some frequencies, terminal start shooting for the first time after both not up to and the Time and Frequency Synchronization of system and it is any on
The prior information of broadcast singal frequency, it is therefore desirable to have a kind of search means to determine frequency where broadcast singal.
Solving this problem at present has two thinkings：1) frequency is fixed shared by broadcast singal, to fixation after starting up of terminal
Searched on frequency.But so cause system design underaction.2) searched for extensively on each frequency one by one after starting up of terminal
Broadcast signal.But (it is greater than 1000) when the frequency number of satellite communication system is very more, search procedure can be quite time-consuming, leads
Cause poor user experience.
Above mentioned problem existing for network registration after being started shooting for existing ICBM SHF satellite terminal, not yet proposes effective solution party at present
Case.
The content of the invention
In view of this, it is an object of the invention to provide a kind of method, apparatus of ICBM SHF satellite terminal measured signal power and defend
Star terminal, the signal power of multiple frequencies can quickly be measured.
In a first aspect, the embodiments of the invention provide a kind of method of ICBM SHF satellite terminal measured signal power, ICBM SHF satellite terminal quilt
It is configured to receive the signal of m adjacent frequency simultaneously；The duration T of one broadcast singal burstbIt is divided into N number of chronon week
Phase, when a length of T of each time subcycleb/N；Wherein n time subcycle is as a switching cycle；One broadcast singal
The transmission cycle be Tp；Method includes：ICBM SHF satellite terminal is using current time as starting point, in each chronon week of a switching cycle
The signal power of m adjacent frequency of measurement in phase；When the total duration of switching cycle circulation is more than T firstpWhen, complete one group of n × m
The measurement of individual frequency, continue the signal power measurement of next group of frequency, until being measured all frequencies to be measured；Wherein, one
M frequency in each time subcycle of switching cycle is successively from the frequency of frequency to be measured extraction；Each frequency is measured
Maximum in obtained signal power is defined as the power measurement values of frequency.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the first of first aspect, wherein,
In each time subcycle of one switching cycle the step of the signal power of m adjacent frequency of measurement, including：In each Tb/N
The receives frequency of ICBM SHF satellite terminal is switched on a target frequency in period, target frequency is measured and target frequency is adjacent
The signal power of m-1 frequency.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of second of first aspect, this method
The frequency power measurement of progress is first powered on applied to ICBM SHF satellite terminal.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the third of first aspect, in addition to：
The power measurement values of more each frequency；The maximum frequency of power measurement values is defined as broadcast singal frequency.
With reference to the third possible embodiment of first aspect, the embodiments of the invention provide the 4th of first aspect kind
Possible embodiment, in addition to：ICBM SHF satellite terminal recording broadcast signal frequency.
With reference to the third possible embodiment of first aspect, the embodiments of the invention provide the 5th of first aspect kind
Possible embodiment, in addition to：ICBM SHF satellite terminal searches for broadcast singal in broadcast singal frequency；When searching for successfully, satellite is whole
End carries out network registration by broadcast singal frequency.
Second aspect, the embodiment of the present invention also provide a kind of device of ICBM SHF satellite terminal measured signal power, ICBM SHF satellite terminal quilt
It is configured to receive the signal of m adjacent frequency simultaneously；The duration T of one broadcast singal burstbIt is divided into N number of chronon week
Phase, when a length of T of each time subcycleb/N；Wherein n time subcycle is as a switching cycle；One broadcast singal
The transmission cycle be Tp；Including：Measurement module, for ICBM SHF satellite terminal using current time as starting point, in the every of switching cycle
The signal power of m adjacent frequency of measurement in individual time subcycle；Loop module, the total duration for being circulated when switching cycle are first
It is secondary to be more than TpWhen, the measurement of one group of n × m frequency is completed, continues the signal power measurement of next group of frequency, until being measured
All frequencies to be measured；Wherein, m frequency in each time subcycle of a switching cycle is successively from frequency to be measured extraction
Frequency；Power determination module, it is defined as the work(of frequency for the maximum in the signal power that obtains each frequency measurement
Rate measured value.
With reference to second aspect, the embodiments of the invention provide the possible embodiment of the first of second aspect, wherein, survey
Amount module is additionally operable to：In each TbThe receives frequency of ICBM SHF satellite terminal is switched on a target frequency in the/N periods, measured
The signal power of target frequency and the adjacent m-1 frequency of target frequency.
The third aspect, the embodiment of the present invention also provide a kind of ICBM SHF satellite terminal, including memory, processor, deposited in memory
Contain the computer program that can be run on a processor, above-mentioned first aspect and its each is realized during computing device computer program
The step of method that one of possible embodiment provides.
Fourth aspect, the embodiment of the present invention also provide a kind of meter for the non-volatile program code that can perform with processor
Calculation machine computer-readable recording medium, program code make the side that one of the above-mentioned first aspect of computing device and its each possible embodiment provide
Method.
The embodiment of the present invention brings following beneficial effect：Above-mentioned ICBM SHF satellite terminal measurement signal provided in an embodiment of the present invention
The method, apparatus and ICBM SHF satellite terminal of power, pass through the duration T that a broadcast singal happens suddenlybIt is divided into N number of chronon week
Phase, the signal power of m adjacent frequency is measured in each time subcycle of a switching cycle, when switching cycle circulation
Total duration completes the measurement of this group of frequency when being more than Tp first, until the measurement of all frequencies to be measured is completed, by each frequency
Measure the power measurement values that the maximum in obtained signal power is defined as frequency；With simply measuring one by one on each frequency
The method of signal power is compared, and greatly accelerates the power measurement speed of frequency, and the signal power of a large amount of frequencies can be carried out
Quick measurement.
Other feature and advantage of the disclosure will illustrate in the following description, or, Partial Feature and advantage can be with
Deduce from specification or unambiguously determine, or the above-mentioned technology by implementing the disclosure can be learnt.
To enable the above-mentioned purpose of the disclosure, feature and advantage to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is to send schematic diagram in the system broadcast message cycle provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic flow sheet of the method for ICBM SHF satellite terminal measured signal power provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of switching terminal receives frequency provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram of switching terminal receives frequency provided in an embodiment of the present invention；
Fig. 5 is reception signal schematic diagram provided in an embodiment of the present invention；
Fig. 6 is a kind of structural representation of the device of ICBM SHF satellite terminal measured signal power provided in an embodiment of the present invention；
Fig. 7 is a kind of ICBM SHF satellite terminal structured flowchart provided in an embodiment of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Technical scheme be clearly and completely described, it is clear that described embodiment is part of the embodiment of the present invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
The mode searched for one by one on each frequency to search on fixed frequency after starting up of terminal or after starting shooting at present enters
It is undesirable to net the effect of registration, based on this, a kind of method of ICBM SHF satellite terminal measured signal power provided in an embodiment of the present invention,
Device and ICBM SHF satellite terminal, the signal power of multiple frequencies can quickly be measured, it is most possible wide so as to quickly determine
Frequency is broadcast, reduces the total time-consuming of terminal network registration.
In the satellite communication system using frequency division+time-division system, system broadcast message is periodically to broadcast.Referring to figure
The system broadcast message cycle shown in 1 sends schematic diagram：Broadcast the message as burst form, every TpT is taken in timebTime.System
In in addition to broadcast singal, it is also possible to service signal be present, but the power of broadcast singal is not less than service signal.So it can lead to
The method of measurement power is crossed to determine possible broadcast singal, prominent signal most likely broadcast singal, it is therefore desirable to
Measure the power of signal on each frequency.
For ease of understanding the present embodiment, letter is measured to a kind of ICBM SHF satellite terminal disclosed in the embodiment of the present invention first
The method of number power describes in detail.
Embodiment 1
The embodiment of the present invention 1 provides a kind of method of ICBM SHF satellite terminal measured signal power, and ICBM SHF satellite terminal is configured as together
When receive m adjacent frequency signal；The duration T of one broadcast singal burstbIt is divided into N number of time subcycle, each
When a length of T of time subcycleb/N；Wherein n time subcycle is as a switching cycle；The transmission week of one broadcast singal
Phase is Tp.N, n and m is positive integer, and n is less than or equal to N.
Fig. 2 is a kind of schematic flow sheet of the method for ICBM SHF satellite terminal measured signal power of the present invention, is comprised the following steps：
Step S202, ICBM SHF satellite terminal are surveyed using current time as starting point in each time subcycle of a switching cycle
Measure the signal power of m adjacent frequency.
In each chronon cycle TbIn/N, the signal power of m (m >=1) individual frequency is measured, each frequencies of the m can
To be adjacent frequency.In each TbThe receives frequency of ICBM SHF satellite terminal is switched on a target frequency in the/N periods, surveyed
Measure the signal power of target frequency and the adjacent m-1 frequency of target frequency.
In the duration T of a broadcast singal burstbIt is divided into N number of time subcycle, can be from the 1st section to N-1
Section measures m different adjacent frequencies respectively, becomes measurement and m frequency of the 1st section of identical again to N sections, so periodically
Ground repeats；The cycle of switching terminal receives frequency is (N-1) Tb/N.It is understood that can also be from the 1st section to the n-th section point
M different frequencies is not measured, is become measurement and m frequency of the 1st section of identical again to (n+1)th section, is so periodically repeated；
Wherein, n is the positive integer less than or equal to N.
Step S204, when the total duration of switching cycle circulation is more than T firstpWhen, the measurement of one group of n × m frequency is completed,
Continue the signal power measurement of next group of frequency, until being measured all frequencies to be measured.
Wherein, m frequency in each time subcycle of a switching cycle is successively from the frequency of frequency to be measured extraction
Point.When the total duration of switching cycle circulation is more than T firstpWhen, necessarily there is a Tb/ N the periods intactly fall dashes forward in broadcast singal
In hair, the power of broadcast singal burst can be measured within this period.Such as the situation of above-mentioned N-1 sections circulation, when switching is whole
After holding the k cycle of receives frequencyIt can ensure：If have in some in this (N-1) * m frequency
Broadcast singal, necessarily there is a Tb/ N the periods intactly fall in broadcast singal burst, then can be surveyed within this period
To the power of broadcast singal burst.In k* (N-1) TbIn/N the times, each frequency in (N-1) * m frequencies is measured k times
Power, the maximum of this k times measurement result is taken as the power measurement values of the frequency.
Step S206, the maximum in the signal power that each frequency measurement is obtained are defined as the power measurement of frequency
Value.
Terminal receives frequency is periodically switched when above-mentioned, repeatedly measurement is made to the power of some frequency.Between when measuring
More than broadcast singal the transmission cycle when, take the maximum repeatedly measured as the final power measurement values to the frequency power.
The method of above-mentioned ICBM SHF satellite terminal measured signal power provided in an embodiment of the present invention, by the way that a broadcast singal is dashed forward
The duration T of hairbIt is divided into N number of time subcycle, m frequency is measured in each time subcycle of a switching cycle
Signal power, when switching cycle circulation total duration be more than T firstpWhen complete the measurement of this group of frequency, until completing institute
Need the measurement of frequency measurement point, the maximum in the signal power that each frequency measurement is obtained is defined as the power measurement of frequency
Value；The power measurement speed of frequency compared with the method for signal power, is greatly accelerated on each frequency with simply measuring one by one,
The signal power of a large amount of frequencies can quickly be measured.
Because total frequency number is fixed in system, N and m are bigger, complete the measurement to all frequencies and are taken
Between it is fewer.But m is limited to the reception bandwidth of terminal, and N is limited to switching time and the measurement accuracy of terminal receives frequency, so N
Can not be too big, it is necessary to according to real system and terminal parameter Rational choice with m.
The method of above-mentioned ICBM SHF satellite terminal measured signal power can apply to the frequency work(that ICBM SHF satellite terminal first powers on progress
Rate measures.Further, the above method also includes：The power measurement values of more each frequency；By the frequency that power measurement values are maximum
It is defined as broadcast singal frequency.ICBM SHF satellite terminal, will using the signal power on above method energy Fast measurement system whole frequency
Those prominent frequencies preferentially search for broadcast singal on these frequencies later as most probable broadcast singal frequency.
The above method also includes：ICBM SHF satellite terminal recording broadcast signal frequency, with first search.
Further, the above method also includes：ICBM SHF satellite terminal searches for broadcast singal in above-mentioned broadcast singal frequency；When search into
During work(, ICBM SHF satellite terminal carries out network registration by broadcast singal frequency.
The method of above-mentioned ICBM SHF satellite terminal measured signal power provided in an embodiment of the present invention, can be to the signal of a large amount of frequencies
Power is quickly measured, using those prominent frequencies as most probable broadcast singal frequency, so as to greatly reduce end
Hold the time of the network registration from starting shooting to completing.
Embodiment 2
The embodiment of the present invention 2 provides a kind of method of ICBM SHF satellite terminal measured signal power, using with certain satellite communication
In system, its signal system and broadcast singal feature are as follows：
In certain satellite communication system, each frame length 40ms, including 24 time slots, each slot length are 5/3ms.Broadcast letter
Number burst duration be 6 time slots.Every 8 frame has a broadcast singal burst, i.e. Tp=320ms, Tb=10ms.Broadcast letter
Number symbol rate be Rs=23.4kHz, broadcast signal bandwidth B=1.35Rs=31.59kHz.
Most simple directly method is that frequency search broadcast singal, each frequency at least need T one by onep=320ms the times,
System shares 1087 frequencies, and traversal needs 347.84s about 6 minutes one by one.
In the present embodiment, N=6, m=1 are selected, i.e. terminal is configured to only receive the signal of a frequency, terminal every time
The sample rate Fs=4Rs used.The burst duration T of broadcast singalb=10ms is divided into N=6 segments, per a length of T of segmentb/
N=5/3ms, exactly 1 time slot.
The schematic diagram of switching terminal receives frequency as shown in Figure 3, each time slot switch a terminal receives frequency, measurement
The power of one frequency.Using 5 time slots as a cycle, repeat k=39 cycle of switching terminal receives frequency (totally 195 when
Gap, more than the time slot of cycle 192 of broadcast singal), then each frequency is measured 39 times.If there is broadcast to believe on some frequency
Number, must once it fall in this 39 times measurements in broadcast singal burst.For each frequency, the maximum of 39 measured values is taken to make
For the final power measurement to the frequency.
In every short time TbIn/N=5/3ms, 5/9ms is then really used to measure as frequency switching time before reserving
The time of power is 10/9ms, corresponding 104 sampled points.Can as follows, in the power of time-domain calculation signal：
The I/Q data mould sides of i.e. 104 sampled points and.Wherein following table j expression measurement sequence numbers, j=1,2 ... 39.
As stated above, the power of 5 frequencies can be surveyed per 325ms.System totally 1087 frequencies, are completed to all frequencies
Power measurement need 70.85 seconds altogether.Simply compared by the method for frequency measurement, speed improves about 5 times.
Embodiment 3
The embodiment of the present invention 3 provides a kind of method of ICBM SHF satellite terminal measured signal power, different from above-described embodiment 2
It is to select N=6, m=5 in the present embodiment, i.e., terminal is configured as receiving the signal of m=5 adjacent frequency, terminal simultaneously
The sample rate used is Fs=4*m*Rs.Broadcast singal burst duration TbIt is divided into N=6 sections, is T per short timeb/ N=
5/3ms.5/9ms is as frequency switching time before being reserved per segment, and really the time for power measurement is 10/9ms.
The schematic diagram of switching terminal receives frequency as shown in Figure 4, terminal measure the signal of 1~No. 5 frequency, institute for the first time
No. 3 frequencies are arranged to receives frequency, second of signal for measuring 6~No. 10 frequencies, so receives frequency is arranged to No. 8 frequencies
Point, by that analogy.Equally, after 39 cycles of switching terminal receives frequency, the maximum of 39 measured values of each frequency is taken
Power measurement as the frequency.
Because terminal is configured to concurrently receive the signal of m=5 frequency, so sample rate Fs=4*m*Rs.Picture goes out
Reception bandwidth is equal to the situation of 5 times of broadcast signal bandwidths, and reception bandwidth is mainly by the analog filter of terminal radio frequency front end
Bandwidth determines.Fig. 5 shows that terminal is configured as receiving the reception signal schematic diagram of 5 frequencies simultaneously.
Exemplified by when terminal receives frequency is once arranged to No. 3 frequencies by certain, 1~No. 5 frequency is calculated respectively according to the following steps
The signal power of point：
1. obtain really being used for the I/Q data for measuring the signal of power, a length of 10/9ms during signal, corresponding sampling number
For 520.
2. by 520 sampled point zero paddings to fftlen=1024 points.
3. pair 1024 complex signals make FFT, and modulus side, power spectrum x (i) i=0 of signal are obtained, 1 ... 1023.Then
Frequency interval df=Fs/fftlen=457Hz.
4. calculating the power of each frequency signal respectively, because each frequency accounts for bandwidth 31.59kHz, continuous the 69 of frequency domain is corresponded to
Individual data.
The signal power of frequency 1：
The signal power of frequency 2：
The signal power of frequency 3：
The signal power of frequency 4：
The signal power of frequency 5：
Wherein subscript j expression measurement sequence numbers, j=1,2 ... 39.After being measured for 39 times, the maximum of 39 measurements is taken
Power measurement values as the frequency.
As stated above, per the power of measurable 25 frequencies of 325ms.System shares 1087 frequencies, completes to all
The power measurement of frequency only needs 14.3 seconds.5 times are improved than the method speed in embodiment 1.Than simply by frequency measurement
Method is compared, and speed improves about 24 times.
Above-described embodiment power measurement scheme is emulated below.M=5 is taken, i.e., is surveyed from sampled data each time
Measure the power of adjacent 5 channels.It is broadcast frequency (the 3rd frequency) there was only one in 5 channels, has on the frequency and periodically broadcasts
The broadcast message of hair, there is no signal transmission on remaining frequency.Terminal is by above example method measurement power, the work(that will be measured
The maximum frequency of rate is judged as broadcast singal frequency, if prominent is No. 3 frequencies, then correct judgment, otherwise to sentence
Dislocation misses.Emulation 50000 times, the probability of Statistic analysis mistake, is as a result recorded in table 1：
Table 1
Table 1 is relation of the signal to noise ratio with wrongheaded probability for the signal that terminal receives.It can be seen that with signal to noise ratio
Increase, wrongheaded probability is remarkably decreased.When signal to noise ratio is higher than 4dB, wrongheaded probability is less than 2e-4.Work as noise
During than higher than 5dB, there is no wrongheaded situation in 50000 emulation.
Embodiment 4
The embodiment of the present invention 4 provides a kind of device of ICBM SHF satellite terminal measured signal power, and ICBM SHF satellite terminal is configured as together
When receive m frequency signal；The duration T of one broadcast singal burstbIt is divided into N number of time subcycle, each time
When a length of T of subcycleb/N；Wherein n time subcycle is as a switching cycle；The transmission cycle of one broadcast singal is
Tp；The structural representation of the device of ICBM SHF satellite terminal measured signal power shown in Figure 6, including：Measurement module 61, cyclic module
Block 62 and power determination module 63, the function of above-mentioned each module are as follows：
Measurement module 61, for ICBM SHF satellite terminal using current time as starting point, in each chronon week of a switching cycle
The signal power of m frequency of measurement in phase；
Loop module 62, the total duration for being circulated when switching cycle are more than T firstpWhen, complete one group of n × m frequency
Measurement, continue the signal power measurement of next group of frequency, until being measured all frequencies to be measured；Wherein, a switching week
M frequency in each time subcycle of phase is successively from the frequency of frequency to be measured extraction；N, n and m is positive integer, and n is small
In equal to N；
Power determination module 63, it is defined as frequency for the maximum in the signal power that obtains each frequency measurement
Power measurement values.
Further, measurement module is additionally operable to：In each TbThe receives frequency of ICBM SHF satellite terminal is switched to one in the/N periods
On individual target frequency, the signal power of target frequency and the adjacent m-1 frequency of target frequency is measured.
It is apparent to those skilled in the art that for convenience and simplicity of description, the satellite of foregoing description
The specific work process of the device of terminal measured signal power, the corresponding process in preceding method embodiment is may be referred to, herein
Repeat no more.
The embodiment of the present invention also provides a kind of ICBM SHF satellite terminal, including memory, processor, and being stored with memory to locate
The computer program that runs on reason device, the step of realizing the method for above-described embodiment during computing device computer program.
Referring to Fig. 7, the embodiment of the present invention also provides a kind of ICBM SHF satellite terminal 100, including：Processor 70, memory 71, bus
72 and communication interface 73, processor 70, communication interface 73 and memory 71 connected by bus 72；Processor 70 is deposited for execution
The executable module stored in reservoir 71, such as computer program.
Wherein, memory 71 may include high-speed random access memory (RAM, Random Access Memory),
Non-labile memory (non-volatile memory), for example, at least a magnetic disk storage may also be included.By extremely
A few communication interface 73 (can be wired or wireless) is realized logical between the system network element and at least one other network element
Letter connection, can use internet, wide area network, LAN, Metropolitan Area Network (MAN) etc..
Bus 72 can be isa bus, pci bus or eisa bus etc..It is total that bus can be divided into address bus, data
Line, controlling bus etc..For ease of representing, only represented in Fig. 7 with a four-headed arrow, it is not intended that an only bus or one
The bus of type.
Wherein, memory 71 is used for storage program, and processor 70 is after execute instruction is received, configuration processor, foregoing
The method performed by device that the stream process that inventive embodiments any embodiment discloses defines can apply in processor 70, or
Person is realized by processor 70.
Processor 70 is probably a kind of IC chip, has the disposal ability of signal.In implementation process, above-mentioned side
Each step of method can be completed by the integrated logic circuit of the hardware in processor 70 or the instruction of software form.Above-mentioned
Processor 70 can be general processor, including central processing unit (Central Processing Unit, abbreviation CPU), network
Processor (Network Processor, abbreviation NP) etc.；It can also be digital signal processor (Digital Signal
Processing, abbreviation DSP), application specific integrated circuit (Application Specific Integrated Circuit, referred to as
ASIC), ready-made programmable gate array (Field-Programmable Gate Array, abbreviation FPGA) or other are programmable
Logical device, discrete gate or transistor logic, discrete hardware components.It can realize or perform in the embodiment of the present invention
Disclosed each method, step and logic diagram.General processor can be microprocessor or the processor can also be appointed
What conventional processor etc..The step of method with reference to disclosed in the embodiment of the present invention, can be embodied directly in hardware decoding processing
Device performs completion, or performs completion with the hardware in decoding processor and software module combination.Software module can be located at
Machine memory, flash memory, read-only storage, programmable read only memory or electrically erasable programmable memory, register etc. are originally
In the ripe storage medium in field.The storage medium is located at memory 71, and processor 70 reads the information in memory 71, with reference to
Its hardware completes the step of above method.
The computer program product of the method for the progress ICBM SHF satellite terminal measured signal power that the embodiment of the present invention is provided, bag
The computer-readable recording medium for storing the executable non-volatile program code of processor is included, described program code includes
Instruction can be used for performing the method described in previous methods embodiment, and specific implementation can be found in embodiment of the method, no longer superfluous herein
State.
If above-mentioned function is realized in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in the executable non-volatile computer read/write memory medium of a processor.Based on such understanding, the present invention
The part that is substantially contributed in other words to prior art of technical scheme or the part of the technical scheme can be with software
The form of product is embodied, and the computer software product is stored in a storage medium, including some instructions are causing
One computer equipment (can be personal computer, server, or network equipment etc.) performs each embodiment institute of the present invention
State all or part of step of method.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-
Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with
The medium of store program codes.
Finally it should be noted that：Embodiment described above, it is only the embodiment of the present invention, to illustrate the present invention
Technical scheme, rather than its limitations, protection scope of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, it will be understood by those within the art that：Any one skilled in the art
The invention discloses technical scope in, it can still modify to the technical scheme described in previous embodiment or can be light
Change is readily conceivable that, or equivalent substitution is carried out to which part technical characteristic；And these modifications, change or replacement, do not make
The essence of appropriate technical solution departs from the spirit and scope of technical scheme of the embodiment of the present invention, should all cover the protection in the present invention
Within the scope of.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
- A kind of 1. method of ICBM SHF satellite terminal measured signal power, it is characterised in that the ICBM SHF satellite terminal is configured as receiving m simultaneously The signal of individual adjacent frequency；The duration T of one broadcast singal burstbIt is divided into N number of time subcycle, each time When a length of T of subcycleb/N；The wherein n time subcycles are as a switching cycle；The transmission week of one broadcast singal Phase is Tp；Methods described includes：The ICBM SHF satellite terminal measures m using current time as starting point in each time subcycle of a switching cycle The signal power of frequency；When the total duration of switching cycle circulation is more than T firstpWhen, the measurement of one group of n × m frequency is completed, continues next group The signal power measurement of frequency, until being measured all frequencies to be measured；Wherein, switching cycle it is each described when Between m frequency in subcycle for successively from the frequency of frequency to be measured extraction；Maximum in the signal power that each frequency measurement is obtained is defined as the power measurement values of the frequency.
- 2. according to the method for claim 1, it is characterised in that each chronon week in a switching cycle In phase the step of the signal power of m frequency of measurement, including：In each TbThe receives frequency of the ICBM SHF satellite terminal is switched on a target frequency in the/N periods, measures the mesh Mark the signal power of frequency and the adjacent m-1 frequency of the target frequency.
- 3. according to the method for claim 1, it is characterised in that methods described applied to the ICBM SHF satellite terminal first power on into Capable frequency power measurement.
- 4. according to the method for claim 1, it is characterised in that also include：Compare the power measurement values of each frequency；The maximum frequency of the power measurement values is defined as broadcast singal frequency.
- 5. according to the method for claim 4, it is characterised in that also include：The ICBM SHF satellite terminal records the broadcast singal Frequency.
- 6. according to the method for claim 4, it is characterised in that also include：The ICBM SHF satellite terminal searches for broadcast singal in the broadcast singal frequency；When searching for successfully, the ICBM SHF satellite terminal carries out network registration by the broadcast singal frequency.
- 7. a kind of device of ICBM SHF satellite terminal measured signal power, it is characterised in that the ICBM SHF satellite terminal is configured as receiving m simultaneously The signal of individual adjacent frequency；The duration T of one broadcast singal burstbIt is divided into N number of time subcycle, each time When a length of T of subcycleb/N；The wherein n time subcycles are as a switching cycle；The transmission week of one broadcast singal Phase is Tp；Including：Measurement module, for the ICBM SHF satellite terminal using current time as starting point, in each chronon of a switching cycle The signal power of m adjacent frequency of measurement in cycle；Loop module, the total duration for being circulated when the switching cycle are more than T firstpWhen, complete the survey of one group of n × m frequency Amount, continues the signal power measurement of next group of frequency, until being measured all frequencies to be measured；Wherein, a switching week M frequency in each time subcycle of phase is successively from the frequency of frequency to be measured extraction；N, n and m is positive integer, N is less than or equal to N；Power determination module, it is defined as the work(of the frequency for the maximum in the signal power that obtains each frequency measurement Rate measured value.
- 8. device according to claim 7, it is characterised in that the measurement module is additionally operable to：In each TbThe receives frequency of the ICBM SHF satellite terminal is switched on a target frequency in the/N periods, measures the mesh Mark the signal power of frequency and the adjacent m-1 frequency of the target frequency.
- 9. a kind of ICBM SHF satellite terminal, including memory, processor, it is stored with what can be run on the processor in the memory Computer program, it is characterised in that realize that the claims 1 to 6 are any during computer program described in the computing device Described in method the step of.
- 10. a kind of computer-readable medium for the non-volatile program code that can perform with processor, it is characterised in that described Program code makes any described methods of the computing device claim 1-6.
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