CN104714088A - Frequency spectrograph and frequency spectrum measuring method - Google Patents
Frequency spectrograph and frequency spectrum measuring method Download PDFInfo
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- CN104714088A CN104714088A CN201510067056.3A CN201510067056A CN104714088A CN 104714088 A CN104714088 A CN 104714088A CN 201510067056 A CN201510067056 A CN 201510067056A CN 104714088 A CN104714088 A CN 104714088A
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Abstract
The embodiment of the invention discloses a frequency spectrograph and a frequency spectrum measuring method, and belongs to the field of frequency spectrum analysis devices. The frequency spectrograph comprises radio frequency transceiver chips, a single chip computer and a control main computer; the control main computer is used for sending a signal collecting order to the single chip computer, wherein the signal collecting order comprises setup parameters used for executing signal collecting operations by the radio frequency transceiver chips; the single chip computer is used for converting the acquired setup parameters used for the executing signal collecting operations into setup orders used for executing the signal collecting operations by the radio frequency transceiver chips, and the setup orders used for executing the signal collecting operations are sent to the radio frequency transceiver chips; the radio frequency transceiver chips are used for arranging configuration parameters for executing the signal collecting operations by the radio frequency transceiver chips according to the set-up orders for executing the signal collecting operations, and frequency domain information of wireless signals are collected. The invention aims at providing the frequency spectrograph and the frequency spectrum measuring method to effectively improve the portability of the frequency spectrograph.
Description
Technical field
The present invention relates to arrangements for analyzing frequency field, in particular to a kind of frequency spectrograph and spectral measuring method.
Background technology
Frequency spectrograph is a kind of equipment being used for analytic signal frequency domain information, is the requisite equipment of information science field.At present, conventional frequency spectrograph comprises superhet frequency spectrograph.
The key principle of superhet frequency spectrograph uses voltage controlled oscillator to produce local frequency, with after measured frequency mixing, by obtaining the signal of assigned frequency after intermediate-frequency filter.Change local frequency, just can detect the signal intensity of different frequency, form frequency spectrum.
Inventor finds that existing frequency spectrograph is expensive under study for action, and in frequency spectrograph, comprise the module of independent separate connection such as low-pass filter, attenuator, voltage controlled oscillator, frequency mixer, intermediate frequency amplifier, intermediate-frequency filter, logarithmic amplifier and wave detector and display etc., cause volume large, preponderance, portability is too low, uses in cannot testing out of doors.
Summary of the invention
The object of the present invention is to provide a kind of frequency spectrograph and spectral measuring method, effectively to improve the portability of frequency spectrograph.
First aspect, a kind of frequency spectrograph that the embodiment of the present invention provides, comprising: rf chip, single-chip microcomputer and main control system;
Described main control system is for sending signals collecting instruction to described single-chip microcomputer, and wherein, described signals collecting instruction comprises the parameters of described rf chip executive signal acquisition operations;
What described single-chip microcomputer was used for the parameters of obtained described executive signal acquisition operations to be converted to described rf chip executive signal acquisition operations arranges instruction, and what send described executive signal acquisition operations arranges instruction to described rf chip;
Described rf chip is used for arranging according to described executive signal acquisition operations the configuration parameter that instruction arranges described rf chip executive signal acquisition operations, gathers the frequency domain information of wireless signal according to the configuration parameter of described executive signal acquisition operations.
In conjunction with first aspect, the embodiment of the present invention additionally provides the first possibility embodiment of first aspect, and wherein, described rf chip is N number of, and wherein, N is greater than 2, and described main control system stores the mark of each rf chip and multiple sample channel; Described signals collecting instruction also comprises the mark of any one sample channel and described rf chip;
What described single-chip microcomputer sent described executive signal acquisition operations arranges instruction to described rf chip, comprising:
Described executive signal acquisition operations is arranged the rf chip of mark correspondence that instruction is sent to the described rf chip that described main control system sends by described single-chip microcomputer.
May embodiment in conjunction with the first of first aspect or first aspect, the embodiment of the present invention additionally provides the second possibility embodiment of first aspect, wherein, described main control system is also for sending package instruction to described single-chip microcomputer, wherein, described package instruction comprises the parameters of described rf chip executive signal package operation;
Described single-chip microcomputer also arranges instruction for what the parameters of obtained described executive signal package operation is converted to the operation of described rf chip executive signal package, and what send the operation of described executive signal package arranges instruction to described rf chip;
Described rf chip also for arranging according to the operation of described executive signal package the configuration parameter that instruction arranges the operation of described rf chip executive signal package, according to the configuration parameter of described executive signal package operation by wireless signal package.
May embodiment in conjunction with the first of first aspect or first aspect, the embodiment of the present invention additionally provides the third possibility embodiment of first aspect, wherein, described main control system also sends instruction to described single-chip microcomputer for sending signal, wherein, described signal sends the parameters that instruction comprises the transmit operation of described rf chip executive signal;
Described single-chip microcomputer also arranges instruction for what the parameters of obtained described executive signal transmit operation is converted to the transmit operation of described rf chip executive signal, and what send described executive signal transmit operation arranges instruction to described rf chip;
Described rf chip is also for arranging according to described executive signal transmit operation the configuration parameter that instruction arranges the transmit operation of described rf chip executive signal, and the configuration parameter according to described executive signal transmit operation sends wireless signal.
May embodiment in conjunction with the first of first aspect or first aspect, the embodiment of the present invention additionally provides the 4th kind of possibility embodiment of first aspect, wherein, also comprise display device, the frequency domain information of the wireless signal that described display device gathers for the described rf chip showing the acquisition of described main control system.
Second aspect, embodiments provides a kind of spectral measuring method, is applied to frequency spectrograph, and described frequency spectrograph comprises: rf chip, single-chip microcomputer and main control system, and described method comprises:
Described main control system sends signals collecting instruction to described single-chip microcomputer, and wherein, described signals collecting instruction comprises the parameters of described rf chip executive signal acquisition operations;
What the parameters of obtained described executive signal acquisition operations was converted to described rf chip executive signal acquisition operations by described single-chip microcomputer arranges instruction, and what send described executive signal acquisition operations arranges instruction to described rf chip;
Described rf chip arranges according to described executive signal acquisition operations the configuration parameter that instruction arranges described rf chip executive signal acquisition operations, gathers the frequency domain information of wireless signal according to the configuration parameter of described executive signal acquisition operations.
In conjunction with second aspect, the embodiment of the present invention additionally provides the first possibility embodiment of second aspect, and wherein, described rf chip is N number of, and wherein, N is greater than 2, and described main control system stores the mark of each rf chip and multiple sample channel; Described signals collecting instruction also comprises the mark of any one sample channel and described rf chip;
What described single-chip microcomputer sent described executive signal acquisition operations arranges instruction to described rf chip, comprising:
Described executive signal acquisition operations is arranged the rf chip of mark correspondence that instruction is sent to the described rf chip that described main control system sends by described single-chip microcomputer.
May embodiment in conjunction with the first of second aspect or second aspect, the embodiment of the present invention additionally provides the second of second aspect may embodiment, and wherein, described method also comprises:
Described main control system sends package instruction to described single-chip microcomputer, and wherein, described package instruction comprises the parameters of described rf chip executive signal package operation;
What the parameters of obtained described executive signal package operation was converted to the operation of described rf chip executive signal package by described single-chip microcomputer arranges instruction, and what send the operation of described executive signal package arranges instruction to described rf chip;
What described rf chip operated according to described executive signal package arranges the configuration parameter that instruction arranges the operation of described rf chip executive signal package, according to the configuration parameter of described executive signal package operation by wireless signal package.
May embodiment in conjunction with the first of second aspect or second aspect, the embodiment of the present invention additionally provides the third of second aspect may embodiment, and wherein, described method also comprises:
Described main control system sends signal and sends instruction to described single-chip microcomputer, and wherein, described signal sends the parameters that instruction comprises the transmit operation of described rf chip executive signal;
What the parameters of obtained described executive signal transmit operation was converted to the transmit operation of described rf chip executive signal by described single-chip microcomputer arranges instruction, and what send described executive signal transmit operation arranges instruction to described rf chip;
Described rf chip arranges according to described executive signal transmit operation the configuration parameter that instruction arranges the transmit operation of described rf chip executive signal, and the configuration parameter according to described executive signal transmit operation sends wireless signal.
May embodiment in conjunction with the first of second aspect or second aspect, the embodiment of the present invention additionally provides the 4th kind of second aspect may embodiment, and wherein, described frequency spectrograph also comprises display device, and described method also comprises:
Described display device shows the frequency domain information of the wireless signal of the described rf chip collection that described main control system obtains.
The embodiment of the present invention sends signals collecting instruction to described single-chip microcomputer by main control system, being converted to about the parameters needed for rf chip executive signal acquisition operations in described signals collecting instruction is arranged instruction by described single-chip microcomputer, described single-chip microcomputer arranges instruction send to described rf chip by described, trigger described rf chip to arrange instruction arrange inner parameter according to described, such as, the parameters of the executive signal acquisition operations in described signals collecting instruction comprises channel and the sweep time of rf chip collection, the described executive signal acquisition operations that described rf chip sends according to described single-chip microcomputer instruction is set, inner configuration parameter is set, such as according to the timing time defining internal timer sweep time.
In addition, along with the development of integrated circuit technique, the function of rf chip and performance are from strength to strength, its volume is but more and more less, price is more and more lower, therefore, the embodiment of the present invention is passed through described rf chip, single-chip microcomputer and described main control system composition frequency spectrograph, with the superhet frequency spectrograph of prior art owing to comprising low-pass filter, attenuator, voltage controlled oscillator, frequency mixer, intermediate frequency amplifier, intermediate-frequency filter, the module of logarithmic amplifier and the independent separate connection such as wave detector and display, cause volume large, the quality shortcoming such as is heavily compared, the described rf chip of the embodiment of the present invention, single-chip microcomputer and described main control system volume little, lightweight, the portability of effective raising frequency spectrograph.
Other features and advantages of the present invention are set forth at instructions subsequently, and, partly become apparent from instructions, or understand by implementing the embodiment of the present invention.Object of the present invention and other advantages realize by structure specifically noted in write instructions, claims and accompanying drawing and obtain.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.Shown in accompanying drawing, above-mentioned and other object of the present invention, Characteristics and advantages will be more clear.Reference numeral identical in whole accompanying drawing indicates identical part.Deliberately do not draw accompanying drawing by physical size equal proportion convergent-divergent, focus on purport of the present invention is shown.
Fig. 1 shows the structured flowchart of the embodiment of a kind of frequency spectrograph that the embodiment of the present invention provides;
Fig. 2 shows the structured flowchart of the embodiment of the another kind of frequency spectrograph that the embodiment of the present invention provides;
Fig. 3 shows the method flow diagram of the embodiment of a kind of spectral measuring method that the embodiment of the present invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, carry out clear, complete description to the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Frequency spectrograph is a kind of equipment being used for analytic signal frequency domain information, is the requisite equipment of information science field.At present, conventional frequency spectrograph comprises superhet frequency spectrograph.
The key principle of superhet frequency spectrograph uses voltage controlled oscillator to produce local frequency, with after measured frequency mixing, by obtaining the signal of assigned frequency after intermediate-frequency filter.Change local frequency, just can detect the signal intensity of different frequency, form frequency spectrum.
Inventor finds that existing frequency spectrograph is expensive under study for action, and in frequency spectrograph, comprise the module of independent separate connection such as low-pass filter, attenuator, voltage controlled oscillator, frequency mixer, intermediate frequency amplifier, intermediate-frequency filter, logarithmic amplifier and wave detector and display etc., cause volume large, preponderance, portability is too low, uses in cannot testing out of doors.
Excessive and the preponderance of volume in order to the frequency spectrograph solving prior art, be inconvenient to the shortcoming of carrying, as shown in Figure 1, embodiments provide a kind of frequency spectrograph, described frequency spectrograph comprises: rf chip 102, single-chip microcomputer 101 and main control system 103;
Described main control system 103 is for sending signals collecting instruction to described single-chip microcomputer 101, and wherein, described signals collecting instruction comprises the parameters of described rf chip 102 executive signal acquisition operations;
Described single-chip microcomputer 101 arranges instruction for what the parameters of obtained described executive signal acquisition operations is converted to described rf chip 102 executive signal acquisition operations, and what send described executive signal acquisition operations arranges instruction to described rf chip;
Described rf chip 102, for arranging according to described executive signal acquisition operations the configuration parameter that instruction arranges described rf chip executive signal acquisition operations, gathers the frequency domain information of wireless signal.
In the embodiment of the present invention, the parameters of described rf chip executive signal acquisition operations comprises channel and sweep time that rf chip gathers wireless signal.Described channel comprises frequency and bandwidth.
In the embodiment of the present invention, described rf chip is positioned at radio frequency signal, such as measure the signal of 2.4GHz-2.5GHz, described frequency spectrograph is for measuring 2400000KHz to 2400500KHz, described main control system sends signals collecting instruction to described single-chip microcomputer, the parameters of the rf chip executive signal acquisition operations in described signals collecting instruction comprises frequency and bandwidth, described frequency is 2400000KHz and 2400500KHz, described bandwidth is 500KHz, described single-chip microcomputer receives the parameters of described rf chip executive signal acquisition operations, what be converted to described rf chip executive signal acquisition operations arranges instruction, in the embodiment of the present invention, it is described that to arrange instruction be hardware operation instruction, such as, the parameters of described rf chip executive signal acquisition operations is converted to hardware description language by described single-chip microcomputer, such as C language or assembly language, the inside configuration of described rf chip is changed by described hardware description language.
The wireless signal collected is done spectrum analysis by described rf chip, such as spectrum analysis is done to gathered wireless signal, the intensity of signal in the channel that analytic signal gathers by data processing units such as the Fourier of described rf chip change or Fast Fourier Transform (FFT)s.
Therefore, the embodiment of the present invention is by forming frequency spectrograph by described rf chip, single-chip microcomputer and described main control system, with the superhet frequency spectrograph of prior art owing to comprising the module of low-pass filter, attenuator, voltage controlled oscillator, frequency mixer, intermediate frequency amplifier, intermediate-frequency filter, logarithmic amplifier and wave detector and display etc. separate connection separately, cause that volume is large, quality heavily etc. shortcoming compare, the described rf chip of the embodiment of the present invention, single-chip microcomputer and described main control system volume are little, lightweight, effectively improve the portability of frequency spectrograph.
In addition, the embodiment of the present invention can also catch the package of wireless signal, and described main control system is also for sending package instruction to described single-chip microcomputer, and wherein, described package instruction comprises the parameters of described rf chip executive signal package operation; Described single-chip microcomputer also arranges instruction for what the parameters of obtained described executive signal package operation is converted to the operation of described rf chip executive signal package, and what send the operation of described executive signal package arranges instruction to described rf chip; Described rf chip also arranges the configuration parameter that instruction arranges the operation of described rf chip executive signal package, by wireless signal package for what operate according to described executive signal package.Wherein, the parameters of described rf chip executive signal package operation comprises package channel and filtercondition etc.
Moreover described main control system also sends instruction to described single-chip microcomputer for sending signal, and wherein, described signal sends the parameters that instruction comprises the transmit operation of described rf chip executive signal; Described single-chip microcomputer also arranges instruction for what the parameters of obtained described executive signal transmit operation is converted to the transmit operation of described rf chip executive signal, and what send described executive signal transmit operation arranges instruction to described rf chip; Described rf chip, also for arranging according to described executive signal transmit operation the configuration parameter that instruction arranges the transmit operation of described rf chip executive signal, sends wireless signal.
Fig. 2 shows the structured flowchart of the embodiment of the another kind of frequency spectrograph of the embodiment of the present invention, and described frequency spectrograph comprises: rf chip 202, single-chip microcomputer 201 and main control system 203;
Described main control system 203 is for sending signals collecting instruction to described single-chip microcomputer 201, and wherein, described signals collecting instruction comprises the parameters of described rf chip 202 executive signal acquisition operations;
Described single-chip microcomputer 201 arranges instruction for what the parameters of obtained described executive signal acquisition operations is converted to described rf chip 202 executive signal acquisition operations, and what send described executive signal acquisition operations arranges instruction to described rf chip;
Described rf chip 202, for arranging according to described executive signal acquisition operations the configuration parameter that instruction arranges described rf chip executive signal acquisition operations, gathers the frequency domain information of wireless signal.
In the embodiment of the present invention, described rf chip 202 is multiple, specifically waits in use, it can be 10, as shown in Figure 2,10 described rf chips 202 are all connected with described single-chip microcomputer 201, store the mark of each rf chip in described main control system.
The spectrum analysis speed of described frequency spectrograph is improved by multiple rf chip, such as, for analyzing the frequency spectrum of the wireless signal in 2400000KHz to 2400500KHz frequency range, with a rf chip with the wireless signal in the bandwidth of 500KHz scanning 2400000KHz to 2400500KHz frequency range, therefore be 200 channels with the bandwidth of 500KHz by this 100M bandwidth partition between 2400000KHz to 2400500KHz frequency range, gathered the spectrum information of these 200 channel signal successively with the bandwidth of 500KHz by rf chip described in described Single-chip Controlling by described main control system, the required time is probably 100ms.
When analyzing the wireless signal in 2400000KHz to 2400500KHz frequency range with 10 rf chips simultaneously, each rf chip only needs scanning 20 channels, such as the channel of a rf chip scanning is 2400000KHz-2400500KHz, 2400500KHz-2401000KHz, 2401000KHz-2401500KHz, the like, until 2409500KHz-2410000KHz, the channel of another rf chip scanning is 2410000KHz-2410500KHZ, 2410500KHz-2411000KHz, the like, until 2419500KHz-2420000KHz, then other 8 rf chips gather remaining wireless signal successively, each rf chip gathers 20 channels, therefore 10 rf chips divide 200 channels between 2.4GHz-2.5GHz equally, described control chip gathers wireless signal between 2.4GHz-2.5GHz frequency range by these 10 rf chips of Single-chip Controlling with the channel gathered separately simultaneously, improve the speed of signal spectral analysis, the all channel of such scanning only needs 10ms, therefore, sweep velocity improves greatly.Through inventor's experimental verification, along with the increase of the quantity of rf chip, the sweep velocity of described frequency spectrograph linearly improves.
In addition, when carrying out signal Spectrum Analysis, by described main control system be described rf chip distribute scanning channel time, can also in the following way:
A) described rf chip can be set and only measure a channel, such as, 10 rf chips be gathered a channel in 200 channels simultaneously, gather after this channel terminates and gather another one channel again, until 200 channels gather complete.Therefore, adopt 10 rf chips to gather simultaneously, effectively can improve the measuring accuracy of the spectrum information of wireless signal.
B) 200 channels measured can be averagely allocated to each rf chip, the measuring speed of the spectrum information of wireless signal can be improved like this.
C) 200 the channel inequalities measured can be distributed to each rf chip, such as, certain several channel in 200 channels is distributed to 3 in 10 rf chips, remaining channel is distributed to remaining rf chip, like this can the wireless signal of focus measurement local channel, but also can take into account the spectrum measurement of the wireless signal of remaining channel simultaneously.
In addition, the frequency spectrograph of the embodiment of the present invention also comprises display device 204, described display device 204 is connected with described main control system 203, the frequency domain information of the wireless signal that described display device gathers for the described rf chip showing the acquisition of described main control system.
The wireless signal of collection is carried out spectrum analysis and obtains spectrum information by described rf chip, and spectrum information is returned to described single-chip microcomputer, and described spectrum information is sent to described main control system by described single-chip microcomputer again, is shown by display device.
In addition, the embodiment of the present invention can also catch the package of wireless signal, and described main control system is also for sending package instruction to described single-chip microcomputer, and wherein, described package instruction comprises the parameters of described rf chip executive signal package operation; Described single-chip microcomputer also arranges instruction for what the parameters of obtained described executive signal package operation is converted to the operation of described rf chip executive signal package, and what send the operation of described executive signal package arranges instruction to described rf chip; Described rf chip also arranges the configuration parameter that instruction arranges the operation of described rf chip executive signal package, by wireless signal package for what operate according to described executive signal package.Wherein, the parameters of described rf chip executive signal package operation comprises package channel and filtercondition etc.
The embodiment of the present invention over multiple channels simultaneously to wireless signal package, improves the speed of catching wireless signal package by multiple rf chip.
Moreover described main control system also sends instruction to described single-chip microcomputer for sending signal, and wherein, described signal sends the parameters that instruction comprises the transmit operation of described rf chip executive signal; The parameters of described executive signal transmit operation comprises content and the transmission time interval of transmission.
Described single-chip microcomputer also arranges instruction for what the parameters of obtained described executive signal transmit operation is converted to the transmit operation of described rf chip executive signal, and what send described executive signal transmit operation arranges instruction to described rf chip; Described rf chip, also for arranging according to described executive signal transmit operation the configuration parameter that instruction arranges the transmit operation of described rf chip executive signal, sends wireless signal.
Therefore, the frequency spectrograph that the embodiment of the present invention provides can not only to the Analysis of Spectrum of wireless signal, can also by wireless signal package, such as by after wireless signal package, send to main control system with certain communication protocol by single-chip microcomputer or wireless signal is input to there is high-accuracy digital signal Processing Algorithm processor in do spectrum analysis, described frequency spectrograph is used more flexible, bring great convenience to the test of wireless signal.
In the embodiment of the present invention, described rf chip can be the radio frequency chip of TLSR8870 for model, also can be the radio frequency chip of model nRF24LU1, the measuring accuracy of the signal spectrum of the described rf chip of the embodiment of the present invention can reach 0.5db, and conventional spectral instrument, such as superhet frequency spectrograph, measuring accuracy is 1.5db, effectively can improve measuring accuracy; In addition, by a circuit board integrated for 10 rf chips, its weight is less than 100 grams, count the shell for encapsulating in, weight is less than 300 grams, compared with 6 kilograms of weight of existing frequency spectrograph, effectively reduce the weight of frequency spectrograph, effectively improve portability; Moreover the power consumption of 10 rf chips and single-chip microcomputer is probably at 700mW, and the power consumption of conventional spectral instrument reaches 30W, and the embodiment of the present invention effectively can reduce the power consumption of frequency spectrograph.
In addition, the frequency spectrograph that the embodiment of the present invention provides can also send signal, by described rf chip, the spectrum information after gathered wireless signal analysis can be sent in the mode of radiofrequency signal, therefore, by spectrum information described in wireless terminal reception, the spectrum analysis of described frequency spectrograph can be convenient to.
Moreover described rf chip sends signal, the spectrum information of signal package and analysis all can be shown by described display.
The embodiment of the present invention is by forming frequency spectrograph by described rf chip, single-chip microcomputer and described main control system, with the superhet frequency spectrograph of prior art owing to comprising the module of low-pass filter, attenuator, voltage controlled oscillator, frequency mixer, intermediate frequency amplifier, intermediate-frequency filter, logarithmic amplifier and wave detector and display etc. separate connection separately, cause that volume is large, quality heavily etc. shortcoming compare, the described rf chip of the embodiment of the present invention, single-chip microcomputer and described main control system volume are little, lightweight, effectively improve the portability of frequency spectrograph.
By arranging multi-disc rf chip, improve sampling rate and signal analysis precision, and there is the function sending signal, signal package.
As shown in Figure 3, the embodiment of the present invention additionally provides a kind of spectral measuring method, is applied to frequency spectrograph, and described frequency spectrograph comprises: rf chip, single-chip microcomputer and main control system, and described method comprises:
S31: main control system sends signals collecting instruction to single-chip microcomputer;
Described main control system sends signals collecting instruction to described single-chip microcomputer, and wherein, described signals collecting instruction comprises the parameters of described rf chip executive signal acquisition operations;
S32: single-chip microcomputer by signals collecting instruction transformation for arranging instruction;
What the parameters of obtained described executive signal acquisition operations was converted to described rf chip executive signal acquisition operations by described single-chip microcomputer arranges instruction, and what send described executive signal acquisition operations arranges instruction to described rf chip;
S33: according to the configuration parameter arranging instruction and arrange rf chip.
Described rf chip arranges according to described executive signal acquisition operations the configuration parameter that instruction arranges described rf chip executive signal acquisition operations, gathers the frequency domain information of wireless signal.
In addition, described rf chip is N number of, and wherein, N is greater than 2, and described main control system stores the mark of each rf chip and multiple sample channel; Described signals collecting instruction comprises the mark of any one sample channel and described rf chip;
In above-mentioned steps S32, what described single-chip microcomputer sent described executive signal acquisition operations arranges instruction to described rf chip, comprising:
Described executive signal acquisition operations is arranged the rf chip of mark correspondence that instruction is sent to the described rf chip that described main control system sends by described single-chip microcomputer.
In addition, described method also comprises:
Described main control system sends package instruction to described single-chip microcomputer, and wherein, described package instruction comprises the parameters of described rf chip executive signal package operation;
What the parameters of obtained described executive signal package operation was converted to the operation of described rf chip executive signal package by described single-chip microcomputer arranges instruction, and what send the operation of described executive signal package arranges instruction to described rf chip;
What described rf chip operated according to described executive signal package arranges the configuration parameter that instruction arranges the operation of described rf chip executive signal package, by wireless signal package.
In addition, described method also comprises:
Described main control system sends signal and sends instruction to described single-chip microcomputer, and wherein, described signal sends the parameters that instruction comprises the transmit operation of described rf chip executive signal;
What the parameters of obtained described executive signal transmit operation was converted to the transmit operation of described rf chip executive signal by described single-chip microcomputer arranges instruction, and what send described executive signal transmit operation arranges instruction to described rf chip;
Described rf chip arranges according to described executive signal transmit operation the configuration parameter that instruction arranges the transmit operation of described rf chip executive signal, sends wireless signal.
Moreover described frequency spectrograph also comprises display device, described method also comprises:
Described display device shows the frequency domain information of the wireless signal of the described rf chip collection that described main control system obtains.
The embodiment of the described method in the embodiment of the present invention is identical with the embodiment of described device, does not repeat them here.
In addition, the process flow diagram in accompanying drawing and block diagram show system according to multiple embodiment of the present invention, the architectural framework in the cards of method and computer program product, function and operation.In this, each square frame in process flow diagram or block diagram can represent a part for module, program segment or a code, and a part for described module, program segment or code comprises one or more executable instruction for realizing the logic function specified.Also it should be noted that at some as in the realization of replacing, the function marked in square frame also can be different from occurring in sequence of marking in accompanying drawing.Such as, in fact two continuous print square frames can perform substantially concurrently, and they also can perform by contrary order sometimes, and this determines according to involved function.Also it should be noted that, the combination of the square frame in each square frame in block diagram and/or process flow diagram and block diagram and/or process flow diagram, can realize by the special hardware based system of the function put rules into practice or operation, or can realize with the combination of specialized hardware and computer instruction.
The computer program carrying out a kind of information interacting method that the embodiment of the present invention provides, comprise the computer-readable recording medium storing program code, the instruction that described program code comprises can be used for performing the method described in previous methods embodiment, specific implementation see embodiment of the method, can not repeat them here.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the system of foregoing description, device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that disclosed system, apparatus and method can realize by another way.Device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, again such as, multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some communication interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.
If described function using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part of the part that technical scheme of the present invention contributes to prior art in essence in other words or this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, ROM (read-only memory) (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. various can be program code stored medium.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection domain of claim.
Claims (10)
1. a frequency spectrograph, is characterized in that, comprising: rf chip, single-chip microcomputer and main control system;
Described main control system is for sending signals collecting instruction to described single-chip microcomputer, and wherein, described signals collecting instruction comprises the parameters of described rf chip executive signal acquisition operations;
What described single-chip microcomputer was used for the parameters of obtained described executive signal acquisition operations to be converted to described rf chip executive signal acquisition operations arranges instruction, and what send described executive signal acquisition operations arranges instruction to described rf chip;
Described rf chip is used for arranging according to described executive signal acquisition operations the configuration parameter that instruction arranges described rf chip executive signal acquisition operations, gathers the frequency domain information of wireless signal according to the configuration parameter of described executive signal acquisition operations.
2. frequency spectrograph according to claim 1, is characterized in that, described rf chip is N number of, and wherein, N is greater than 2, and described main control system stores the mark of each rf chip and multiple sample channel; Described signals collecting instruction also comprises the mark of any one sample channel and described rf chip;
What described single-chip microcomputer sent described executive signal acquisition operations arranges instruction to described rf chip, comprising:
Described executive signal acquisition operations is arranged the rf chip of mark correspondence that instruction is sent to the described rf chip that described main control system sends by described single-chip microcomputer.
3. frequency spectrograph according to claim 1, is characterized in that:
Described main control system is also for sending package instruction to described single-chip microcomputer, and wherein, described package instruction comprises the parameters of described rf chip executive signal package operation;
Described single-chip microcomputer also arranges instruction for what the parameters of obtained described executive signal package operation is converted to the operation of described rf chip executive signal package, and what send the operation of described executive signal package arranges instruction to described rf chip;
Described rf chip also for arranging according to the operation of described executive signal package the configuration parameter that instruction arranges the operation of described rf chip executive signal package, according to the configuration parameter of described executive signal package operation by wireless signal package.
4. frequency spectrograph according to claim 1, is characterized in that:
Described main control system also sends instruction to described single-chip microcomputer for sending signal, and wherein, described signal sends the parameters that instruction comprises the transmit operation of described rf chip executive signal;
Described single-chip microcomputer also arranges instruction for what the parameters of obtained described executive signal transmit operation is converted to the transmit operation of described rf chip executive signal, and what send described executive signal transmit operation arranges instruction to described rf chip;
Described rf chip is also for arranging according to described executive signal transmit operation the configuration parameter that instruction arranges the transmit operation of described rf chip executive signal, and the configuration parameter according to described executive signal transmit operation sends wireless signal.
5. frequency spectrograph according to claim 1 and 2, is characterized in that, also comprises display device, the frequency domain information of the wireless signal that described display device gathers for the described rf chip showing the acquisition of described main control system.
6. a spectral measuring method, is characterized in that, is applied to frequency spectrograph, and described frequency spectrograph comprises: rf chip, single-chip microcomputer and main control system, and described method comprises:
Described main control system sends signals collecting instruction to described single-chip microcomputer, and wherein, described signals collecting instruction comprises the parameters of described rf chip executive signal acquisition operations;
What the parameters of obtained described executive signal acquisition operations was converted to described rf chip executive signal acquisition operations by described single-chip microcomputer arranges instruction, and what send described executive signal acquisition operations arranges instruction to described rf chip;
Described rf chip arranges according to described executive signal acquisition operations the configuration parameter that instruction arranges described rf chip executive signal acquisition operations, gathers the frequency domain information of wireless signal according to the configuration parameter of described executive signal acquisition operations.
7. spectral measuring method according to claim 6, is characterized in that, described rf chip is N number of, and wherein, N is greater than 2, and described main control system stores the mark of each rf chip and multiple sample channel; Described signals collecting instruction also comprises the mark of any one sample channel and described rf chip;
What described single-chip microcomputer sent described executive signal acquisition operations arranges instruction to described rf chip, comprising:
Described executive signal acquisition operations is arranged the rf chip of mark correspondence that instruction is sent to the described rf chip that described main control system sends by described single-chip microcomputer.
8. the spectral measuring method according to claim 6 or 7, is characterized in that, described method also comprises:
Described main control system sends package instruction to described single-chip microcomputer, and wherein, described package instruction comprises the parameters of described rf chip executive signal package operation;
What the parameters of obtained described executive signal package operation was converted to the operation of described rf chip executive signal package by described single-chip microcomputer arranges instruction, and what send the operation of described executive signal package arranges instruction to described rf chip;
What described rf chip operated according to described executive signal package arranges the configuration parameter that instruction arranges the operation of described rf chip executive signal package, according to the configuration parameter of described executive signal package operation by wireless signal package.
9. the spectral measuring method according to claim 6 or 7, is characterized in that, described method also comprises:
Described main control system sends signal and sends instruction to described single-chip microcomputer, and wherein, described signal sends the parameters that instruction comprises the transmit operation of described rf chip executive signal;
What the parameters of obtained described executive signal transmit operation was converted to the transmit operation of described rf chip executive signal by described single-chip microcomputer arranges instruction, and what send described executive signal transmit operation arranges instruction to described rf chip;
Described rf chip arranges according to described executive signal transmit operation the configuration parameter that instruction arranges the transmit operation of described rf chip executive signal, and the configuration parameter according to described executive signal transmit operation sends wireless signal.
10. according to the spectral measuring method of claim 6 or 7, it is characterized in that, described frequency spectrograph also comprises display device, and described method also comprises:
Described display device shows the frequency domain information of the wireless signal of the described rf chip collection that described main control system obtains.
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