CN106647432A - Multi-channel radio frequency signal delay device and multi-channel radio frequency signal delay method based on radio frequency signals - Google Patents

Abstract

The invention relates to the technical field of radio frequency signal operation devices, and discloses a multi-channel radio frequency signal delay device and a multi-channel radio frequency signal delay method based on radio frequency signals. The delay device adopted in the method comprises a plurality of single-channel radio frequency signal delay devices. Each single-channel radio frequency signal delay device comprises a controller module, a delay circuit module, a digital display module, a manual on-off module, an address coding module, a power module, and a remote control interface module, wherein the control end of the controller module is connected through an interface circuit with the delay circuit module which is connected with a radio frequency circuit, the video end of the controller module is connected with the digital display module through a video line, the input end of the controller module is connected with the manual on-off module, and the controller module is equipped with the remote control interface module which controls operation remotely together with a computer. An input radio frequency signal can be delayed. The delay of each channel can be controlled through manual on-off setting. The current state of delay of each channel can be known through digital display.

Description

A kind of multi-channel radio frequency signal delay device and method based on radiofrequency signal

Technical field

The present invention relates to radio frequency signal operation engineering device technique field, more particularly to a kind of multichannel based on radiofrequency signal is penetratedFrequency signal delay device and method.

Background technology

At present, known radiofrequency signal deferred mount is the side blocked to rf signal pulse by RF switchFormula, that is, the mode for changing radiofrequency signal advanced position and then changing RF pulse width is realized, not with guarantee radio frequency letterFeel the pulse and rush the delay function of signal of integrality, the deferred mount realized based on coaxial cable is believed due to being limited to coaxial cable radio frequencyNumber big problem of attenuation, has that time delay falls short of.

The content of the invention

To overcome existing radiofrequency signal deferred mount in terms of rf signal pulse integrality and time delay length is ensuredThe technical deficiency of presence, the present invention provides a kind of multi-channel radio frequency signal delay device and method based on radiofrequency signal, canDelay operation is carried out to radiofrequency signal according to user command, without producing the device for affecting to rf signal pulse integrality,Characteristic with the integrality for keeping RF pulse signal pulse, simple structure, time delay length is big, and debugs with manualOperation, numerical monitor, computer remote-control operation function.

In order to achieve the above object, the present invention is adopted the following technical scheme that：

A kind of multi-channel radio frequency signal delay device based on radiofrequency signal, including some single pass radiofrequency signal delaysDevice, single pass radiofrequency signal deferred mount includes：Controller module 1, delay circuit module 2, digital display module 3, handControl switch module 4, geocoding module 5, power module 6, Remote control interface module 7, the control end of the controller module 1 passes throughInterface circuit is connected with the delay circuit module 2 for being connected radio circuit, the output port and digital display module of controller module 13 are connected, and the input of controller module 1 is connected respectively with manual switch module 4, coding module 5, the power supply of controller module 1End is connected by power line with power module 6, is provided with controller module 1 and is connect with the remote control of computer long-distance control operationMouth mold block 7, (is not limited to) using RS-232 or RS-485 interfaces.

Described controller module 1 is that the one-chip computer that radiofrequency signal postpones operation is completed to delay circuit, or ARM coresPiece, or fpga chip.

The manual switch module 4 includes that channel selecting, single channel retardation increase, single channel retardation reduces, allChannel delay amount increases, whole channel delay amounts reduce switch.

Described digital display module is the numbering of display channel one by one, channel delay value and and upper control computerCarry out the display of information exchange.

Described delay circuit is each channel delay amount of step motion control, as delay circuit digit increases, realizes bigger modelThe circuit of the delay control function enclosed, including rf signal is to electro-optical conversion circuit, photoswitch, the delay light of radio frequency optical signalFibre, feed-though fiber, optical signal to electric signal photoelectric switching circuit, connect RF signal input end electro-optical conversion circuit pass throughThe fiber switch circuit of series connection be connected RF signal output photoelectric switching circuit be connected, and each on-off circuit respectively withThe interface circuit of connection controller module 1 is connected；The fiber switch circuit of the series connection is by some on-off circuits respectively by prolongingLate optical fiber, feed-though fiber are connected in series composition.

The channel radio frequency signal deferred mount of five described single pass radiofrequency signal deferred mount compositions includes：ControlIt is device module 1, delay circuit module 2, digital display module 3, manual switch module 4, geocoding module 5, power module 6, remoteControl interface module 7, the control end of the controller module 1 passes through multiple interface circuits and is connected prolonging for multiple radio circuits respectivelyLate circuit module 2 is connected, and the video end of controller module 1 is connected by video line with digital display module 3, controller module 1Input be connected with manual switch module 4, coding module 5 respectively, the power end of controller module 1 is by power line and power supplyModule 6 is connected, and the Remote control interface module 7 with computer long-distance control operation is provided with controller module 1.

Because using technical scheme as above, the present invention has following superiority：

A kind of radiofrequency signal deferred mount based on optical-fibre multi-channel, can be according to the application demand of user, to inputRadiofrequency signal carries out delay operation.User can manually arrange nearby the retardation of each channel radio frequency signal of switch adjustment,Each passage is understood by numerical monitor mode and currently postpones value, or the retardation of each passage is carried out by computer remoteControl is arranged.

Description of the drawings

Fig. 1 is the structural representation of mono-channel radio-frequency signal numerical control deferred mount；

Fig. 2 is the structural representation of four delay circuits realized based on optical fiber；

Fig. 3 is structural representation of the Five-channel based on the radiofrequency signal numerical control deferred mount of optical fiber.

Fig. 4 is the four delay circuit figures realized based on radio-frequency cable.

Specific embodiment

It is used to further illustrate the function and structure of this device below in conjunction with drawings and Examples, but is not limited to thisBright scope.

Embodiment one

Referring to Fig. 1, a kind of single pass radiofrequency signal postpones control device, and its structure includes seven modules, is respectively controlDevice module 1 processed, delay circuit module 2, digital display module 3, manual switch module 4, geocoding module 5, power module 6,Remote control interface module 7, the function of each module is as follows.

Module 1：Controller, is the nucleus module of this device, is made up of one-chip computer or ARM chips or fpga chip,Including programming to it, the manually operated or computer command of receive user is operated, to by delay circuit control interface pairDelay circuit is controlled setting, and shows the delay value of current channel number and passage by digital display module.

Module 2：Delay circuit, is the major control object of this device, and this device is carried out by the module to radiofrequency signalPostpone operation, radiofrequency signal enters this module by input interface, after the completion of operating via this module then defeated by output interfaceGo out.

Module 3：Numerical monitor, is primary human's interface of this device, and user understands the current of each passage by the interfacePostpone value.And the current delay value of display channel numbering and respective channel.

Module 4：Manual switch, is the interface of manually operated device of user, is postponed with channel selector switch, single channelMeasure increase is switched, the reduction of single channel retardation is switched, the increase of multichannel retardation is switched, the reduction of multichannel retardation is switched etc..Operating personnel carry out channel selecting, retardation increase by Operation switch, retardation reduces, single channel retardation increases, single-passThe operations such as road retardation reduces, retardation unification zero.

Module 5：Geocoding, be to this device in the case of remote control unique mark of the upper control computer to this deviceKnow, when by multiple devices of computer controls, this device receives order of the computer to this device by geocoding；It is upperComputer recognizes the status information that this device is reported by geocoding.Require to arrange unique, geocoding in same applicationCan not repeat.

Module 6：Power module, is the supply module of this device, and working power is converted into into delay circuit and each module workPower supply type needed for making.

Module 7：Remote control interface, is interface that this device is connected with host computer, using RS-232 or RS-485 interfaces(being not limited to), including interface protocol and control command collection.This device passes through interface host computer the prolonging to this deviceLate circuit control command, to host computer the state of this device is reported.

Embodiment two

It is one four delay circuits (being not limited to four) realized based on optical fiber referring to Fig. 2.Four delay circuits are by fiveIndividual photoswitch and the optical fiber of four sections of delays are constituted.Feed-though fiber in figure is used to connect the other end of two neighboring switchCome, the common port of switch room is connected with optical fiber, and the radiofrequency signal to be postponed is input into from one end of circuit, and Jing electric signals are to optical signalChange-over circuit (electro-optic conversion) after, into optical fiber delay circuit, complete postpone operation after, then through optical signal to electric signal turnAfter changing circuit (opto-electronic conversion), the radiofrequency signal through postponing operation is exported from the other end.Four sections postpone fiber lengths and differ, and oneAs meet multiple weighted connections, for example, to postpone the retardation of optical fiber 1 as 1, postpone optical fiber 2,3,4 retardation be respectively2nd, 4,8, then maximum delay amount is four sections of fiber retardation sums (15), and minimum delay amount is the delay that four sections of feed-though fibers are introducedAmount (test value), the stepping for postponing to control is 1.Can realize that 1 step controls work(to the delay that 15 steppings are 1 by this circuitEnergy.With the increase of delay circuit digit, it is also possible to realize that larger range of radiofrequency signal postpones control function.Embodiment three

It is that the radiofrequency signal deferred mount of a Five-channel realized based on optical fiber (is not limited to five to lead to referring to Fig. 3Road).Five-channel radiofrequency signal deferred mount can be controlled to the retardation of five tunnel radiofrequency signals simultaneously.When manually operated,The passage currently to be operated is selected by channel selector switch；Increased by retardation or retardation reduces switch and increaseds or decreasesRetardation, it is also possible to which, while increaseing or decreasing the delay value of five passages, digital display module can one by one show each passageIt is current to postpone value, it is attached with host computer by Remote control interface, the control command of computer is received, to upper calculatingMachine reports the state of this device.

Embodiment four

It is four delay circuits (being not limited to four) realized based on radio-frequency cable referring to Fig. 4.Four delay circuitsIt is made up of the coaxial cable of eight switches and four sections of delays.Straight-through cable in figure is used for the other end connection of two switchesGet up, the common port of switch room is connected with coaxial cable, the radiofrequency signal to be postponed is input into from one end of circuit, from another after delayOne end exports.Four sections of delay cable length differ, and conform generally to multiple weighted connections, for example, with the retardation of delay cable 1 as 1If, the retardation of delay cable 2,3,4 is respectively 2,4,8, then maximum delay amount is four sections of cable delays amount sum (15), mostLittle retardation is the retardation (test value) that four sections of straight-through cables are introduced, and the stepping for postponing to control is 1.I.e. this circuit can be realized1 to 15 steppings are 1 delay control function.With the increase of the delay circuit digit of connection, it is possible to achieve larger range of to prolongSlow control function.

Claims (9)

1. a kind of multi-channel radio frequency signal delay device based on radiofrequency signal, it is characterised in that：Single pass penetrate including someFrequency signal delay device, single pass radiofrequency signal deferred mount includes：Controller module 1, delay circuit module 2, numeral are aobviousShow module 3, manual switch module 4, geocoding module 5, power module 6, Remote control interface module 7, the controller module 1Control end it is connected with the delay circuit module 2 for being connected radio circuit by interface circuit, the video end of controller module 1 passes throughVideo line is connected with digital display module 3, the input of controller module 1 respectively with manual switch module 4, the phase of coding module 5Even, the power end of controller module 1 is connected with power module 6 by power line, is provided with controller module 1 remote with computerThe Remote control interface module 7 of process control operation.

2. a kind of multi-channel radio frequency signal delay device based on radiofrequency signal according to claim 1, it is characterised in that：Described controller module 1 is that the one-chip computer that radiofrequency signal postpones operation is completed to delay circuit, or ARM chips, orFpga chip, with the integrity property for keeping RF pulse signal pulse.

3. a kind of multi-channel radio frequency signal delay device based on radiofrequency signal according to claim 1, it is characterised in that：The manual switch module 4 includes that channel selecting, single channel retardation increase, single channel retardation reduces, whole channel delaysAmount increases, whole channel delay amounts reduce switch.

4. a kind of multi-channel radio frequency signal delay device based on radiofrequency signal according to claim 1, it is characterised in that：Described digital display module for the numbering of display channel one by one, channel delay value and enters row information with upper control computerInteractive display.

5. a kind of multi-channel radio frequency signal delay device based on radiofrequency signal according to claim 1, it is characterised in that：Described delay circuit module 2 is each channel delay amount of step motion control, as delay circuit digit increases, is realized larger range ofPostpone the circuit of control function, including electric signal to the electro-optical conversion circuit of optical signal, photoswitch, delay optical fiber, feed-though fiber,Optical signal to electric signal photoelectric switching circuit, connect RF signal input end electro-optical conversion circuit by series connection optical fiber openPowered-down road be connected RF signal output photoelectric switching circuit be connected, and each on-off circuit respectively be connected controller mouldThe interface circuit of block 1 is connected；The fiber switch circuit of the series connection is by some on-off circuits respectively by postponing optical fiber, straight-through lightFibre is connected in series composition.

6. a kind of multi-channel radio frequency signal delay device based on radiofrequency signal according to claim 1, it is characterised in that：The channel radio frequency signal deferred mount of five described single pass radiofrequency signal deferred mount compositions includes：Controller module 1,Delay circuit module 2, digital display module 3, manual switch module 4, geocoding module 5, power module 6, Remote control interface mouldBlock 7, the control end of the controller module 1 is respectively by multiple interface circuits and the delay circuit mould for being connected multiple radio circuitsBlock 2 is connected, and the video end of controller module 1 is connected by video line with digital display module 3, the input of controller module 1It is connected with manual switch module 4, coding module 5 respectively, the power end of controller module 1 is by power line and the phase of power module 6Even, the Remote control interface module 7 with computer long-distance control operation is provided with controller module 1.

7. a kind of multi-channel radio frequency signal delay device based on radiofrequency signal according to claim 1, it is characterised in that：Described delay circuit module 2 connects the cable of the cable by series connection of RF signal input end by some cable switch circuitsOn-off circuit is connected with the cable for being connected RF signal output, and each cable switch circuit is respectively by interface circuit and controlThe control end of device module 1 processed is connected；Each cable switch circuit of the series connection passes through respectively deferred telegram by some on-off circuitsCable, straight-through cable are connected in series composition.

8. a kind of multi-channel radio frequency signal delay method based on rf signal line, is prolonged using several single pass radiofrequency signalsLate device is postponed, it is characterised in that：Its step is as follows：

1）, each single pass radiofrequency signal deferred mount, by controller module 1, interface circuit control connection radio frequency electricalThe delay circuit module 2 on road works；

2）, when radiofrequency signal be radio frequency fiber optic signal when, delay circuit module 2 adopt each channel delay amount of step motion control, withDelay circuit digit increases, and realizes the circuit of larger range of delay control function；

Optical signal, the fiber switch electricity that optical signal passes through series connection are converted into by the electro-optical conversion circuit of connection RF signal input endRoad carries out step delay, then the optical signal of delay is converted into into electricity by connecting the photoelectric switching circuit of RF signal outputSignal output；

And the controller module 1 that each fiber switch circuit is connected respectively by interface circuit is controlled；Each optical fiber of series connection is openedPowered-down road controls optical signal and passes through from optical fiber is postponed by controller module 1, or optical signal passes through from feed-though fiber；

3）, controller module 1 by video line will postpone work information, in digital display module 3 show；

4）, controller module 1 input respectively by manual switch module 4, the input delay signal of coding module 5, and controlDevice module 1 processed can also pass through the remote control operation computer of Remote control interface module 7.

9. a kind of multi-channel radio frequency signal delay method based on radiofrequency signal according to claim 1, it is characterised in that：When the radio frequency fiber optic signal of the radiofrequency signal replaces with radio-frequency cable signal：

Delay circuit module 2 adopts each channel delay amount of step motion control, as delay circuit digit increases, realizes larger range ofPostpone the circuit of control function；

Rf signal is led to by the cable of connection RF signal input end is connected with the cable for being connected RF signal output, mistakeThe cable switch circuit of series connection carries out step delay,

And the controller module 1 that each cable switch circuit is connected respectively by interface circuit is controlled, each cable of series connection is openedPowered-down road controls rf signal and passes through from delay cable by controller module 1, or rf signal passes through from straight-through cable；Controller module 1 will postpone the information of work by video line, show in digital display module 3；The input of controller module 1End is respectively by manual switch module 4, the input delay signal of coding module 5, and controller module 1 can also pass through Remote control interfaceThe remote control operation computer of module 7.