CN104049631A - Signal output method and device - Google Patents
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- CN104049631A CN104049631A CN201410321873.2A CN201410321873A CN104049631A CN 104049631 A CN104049631 A CN 104049631A CN 201410321873 A CN201410321873 A CN 201410321873A CN 104049631 A CN104049631 A CN 104049631A
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Abstract
The embodiment of the invention discloses a signal output method and device. A frequency changing signal and/or an amplitude changing signal are/is output to an effective pin of a PEPS controller to be tested, and a fixed frequency signal or an fixed amplitude signal is output to other pins, wherein the effective pin is a pin capable of receiving the frequency changing signal and/or the amplitude changing signal in the PEPS controller to be tested when an intelligent key and an vehicle body actually form the preset position relation, and the frequency changing signal and/or the amplitude changing signal are/is obtained through conversion of a radio frequency signal transmitted by the intelligent key. Thus, it is clear that the method and device can simulate the signal receiving conditions of all the pins of the PEPS controller in actual application when the intelligent key and the vehicle body actually form the preset position relation, the intelligent key does not need to be manually carried in the environment of an actual vehicle or a simulated actual vehicle, and testing is carried out in the mode that different relative positions of the intelligent key and the vehicle body are simulated in a manual moving mode. Therefore, compared with an existing testing method, testing efficiency can be improved.
Description
Technical field
The present invention relates to measurement and control area, relate in particular to a kind of signal output method and device.
Background technology
Passive entering and passive startup (Passive Entry and Passive Start, PEPS) controller is to realize automobile no-key to enter the control module with a key start-up performance, in actual applications, when intelligent vehicle key sends after radiofrequency signal, the antenna that is distributed in the diverse location in body of a motor car is different to the reception degree of radiofrequency signal, the signal that PEPS controller transmits by receiving these antenna, judge the relative position of intelligent vehicle key and vehicle body, thereby send the instruction corresponding with current relative position.
For example, when user uses intelligent vehicle key to send radiofrequency signal when near automobile, the antenna that is distributed in body exterior can receive radiofrequency signal, and due to the shielding action of vehicle body, the antenna that is positioned at the driver's seat position of interior of body does not receive radiofrequency signal, in the case, what the pin being connected with the antenna of body exterior in PEPS controller received is frequency conversion and/or amplitude-change signalling, what the pin being connected with the antenna of driver's seat position received is to determine frequency and/or constant-amplitude signal, so PEPS controller sends the instruction of opening car door.
In order to guarantee PEPS controller reliability and safety in actual use, need to the various functions of PEPS controller, test in the development phase.In existing test process, in order to test Intelligent key and vehicle body when the different relative position, each pin of PEPS controller is by each self-corresponding antenna, the function that receives PEPS controller after unlike signal realizes, conventionally need to be under the environment of real vehicle or imitative real vehicle, by manually carrying Intelligent key, by the mode simulated intelligence key of moved by hand and the different relative position of vehicle body.
Visible, the efficiency of existing method of testing is not high.
Summary of the invention
The embodiment of the present invention provides a kind of signal output method and device, and object is to solve the not high problem of efficiency of existing PEPS method of testing.
To achieve these goals, the embodiment of the present invention provides following technical scheme:
A signal output method, comprising:
Receive the radiofrequency signal of Intelligent key transmitting;
Effective pin output first kind signal to PEPS controller to be measured, and export Equations of The Second Kind signal to other pin of described PEPS controller to be measured, described first kind signal frequency conversion and/or the amplitude-change signalling that the conversion of described radiofrequency signal obtains of serving as reasons, described Equations of The Second Kind signal is frequently fixed and/or constant-amplitude signal, when described effective pin is described Intelligent key and the actual formation of vehicle body predetermined location relationship, in described PEPS controller to be measured, can receive the pin of described first kind signal.
Alternatively, the radiofrequency signal of described reception Intelligent key transmitting comprises:
The radiofrequency signal of launching by antenna reception Intelligent key.
Alternatively, described effective pin output first kind signal to PEPS controller to be measured comprises:
The antenna that receives described radiofrequency signal is connected with described effective pin.
Alternatively, described other pin output Equations of The Second Kind signal to described PEPS controller to be measured comprises:
Described other pin is connected with the antenna of conductively-closed.
A signal output apparatus, comprising:
Signal generating unit, for first kind signal and Equations of The Second Kind signal occur, described first kind signal frequency conversion and/or the amplitude-change signalling that the radiofrequency signal conversion of the Intelligent key transmitting that receives obtains of serving as reasons, described Equations of The Second Kind signal is frequently fixed or constant-amplitude signal;
Output unit, for exporting described first kind signal to effective pin of PEPS controller to be measured, and export described Equations of The Second Kind signal to other pin of described PEPS controller to be measured, when described effective pin is described Intelligent key and the actual formation of vehicle body predetermined location relationship, in described PEPS controller to be measured, can receive the pin of described first kind signal.
Alternatively, described signal generating unit comprises:
Aerial array, for receiving the radiofrequency signal of Intelligent key transmitting, and is converted to described first kind signal by described radiofrequency signal, and in described aerial array, the quantity of antenna is N, and described N is the quantity of the antenna input pin of described PEPS controller to be measured;
The aerial array of conductively-closed, for generating described Equations of The Second Kind signal, in the aerial array of described conductively-closed, the quantity of the antenna of conductively-closed is N.
Alternatively, described output unit comprises:
Switch arrays, comprising N gating switch, described N is the quantity of the antenna input pin of described PEPS controller to be measured;
The antenna i of the conductively-closed in the antenna i in described aerial array and the aerial array of described conductively-closed is connected with the corresponding pin gating of described PEPS controller to be measured by gating switch i, when pin i is effective pin, described gating switch i is communicated with described antenna i with described pin i, otherwise, described gating switch i is communicated with the antenna i of described conductively-closed with described pin i, wherein i=1,2 ... N.
Alternatively, described gating switch i comprises:
The moved end being connected with the corresponding pin i of described PEPS controller to be measured;
The first moved end being not connected with antenna i in described aerial array;
The second moved end being not connected with the antenna i of conductively-closed in the aerial array of described conductively-closed;
Control end, be used for controlling described moved end with described first not moved end or described second be not connected moved end, when moved end is not connected with described first in described moved end, corresponding pin output first kind signal to described PEPS controller to be measured, when moved end is not connected with described second in described moved end, to the corresponding pin output Equations of The Second Kind signal of described PEPS controller to be measured.
Alternatively, described control end comprises:
Control signal transmitter, for the corresponding relation according between position and effective pin, to described switch arrays, transmit control signal, in described control signal, the control signal of controlling first kind gating switch is first kind control signal, the control signal of controlling other gating switch is Equations of The Second Kind control signal, and described first kind gating switch is the gating switch being connected with described effective pin, and described position is the relative position of described Intelligent key and vehicle body;
Control signal responder, for responding described control signal, so that described first kind gating switch is communicated with antenna i with described effective pin, described Equations of The Second Kind gating switch is communicated with the antenna of conductively-closed with described other pin.
Alternatively, the impedance operator of the antenna i in described aerial array is identical with the connected antenna i impedance operator of described PEPS controller to be measured with reality.
Signal output method described in the embodiment of the present invention and device, effective pin output frequency conversion and/or amplitude-change signalling to PEPS controller to be measured, the frequently fixed or constant-amplitude signal to other pin output, wherein, when effectively pin is Intelligent key and the actual formation of vehicle body predetermined location relationship, in PEPS controller to be measured, can receive the pin of frequency conversion and/or amplitude-change signalling, the radiofrequency signal conversion that frequency conversion and/or amplitude-change signalling are sent by Intelligent key obtains, visible, method described in the embodiment of the present invention and device, can simulate in actual use, during the actual formation of Intelligent key and vehicle body predetermined location relationship, each pin of PEPS controller receives the situation of signal, and without passing through under the environment of real vehicle or imitative real vehicle, by manually carrying Intelligent key, mode simulated intelligence key by moved by hand is tested from the mode of the different relative position of vehicle body, so, compare with existing method of testing, can improve testing efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the process flow diagram of the disclosed a kind of signal output method of the embodiment of the present invention;
Fig. 2 is the structural representation of the disclosed a kind of signal output apparatus of the embodiment of the present invention;
Fig. 3 is the structural representation of disclosed another signal output apparatus of the embodiment of the present invention;
Fig. 4 is the structural representation of gating switch in the disclosed signal output apparatus of the embodiment of the present invention;
Fig. 5 is the structural representation of disclosed another signal output apparatus of the embodiment of the present invention.
Embodiment
The embodiment of the invention discloses a kind of signal output method and device, each pin to PEPS controller to be measured is exported different signals, in order to simulate PEPS controller to be measured when Intelligent key and the actual formation of the vehicle body predetermined location relationship, each pin receives the actual conditions of signal, object is to save under the environment of real vehicle or imitative real vehicle, by manually carrying Intelligent key, the link of mode simulated intelligence key from the different relative position of vehicle body by moved by hand, so that improve testing efficiency.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The disclosed a kind of signal output method of the embodiment of the present invention, for the function of PEPS controller is tested, one of content of test PEPS controller is: test is when each pin of PEPS controller all receives correct signal, and whether PEPS controller sends instruction correct.
As shown in Figure 1, the method described in the present embodiment comprises:
S101: the radiofrequency signal that receives Intelligent key transmitting;
S102: to effective pin output first kind signal of PEPS controller to be measured, and export Equations of The Second Kind signal to other pin of described PEPS controller to be measured;
Wherein, described first kind signal frequency conversion and/or the amplitude-change signalling that the conversion of described radiofrequency signal obtains of serving as reasons, described Equations of The Second Kind signal is frequently fixed and/or constant-amplitude signal, when described effective pin is described Intelligent key and the actual formation of vehicle body predetermined location relationship, in described PEPS controller to be measured, can receive the pin of described first kind signal.In existing test process, each pin of PEPS controller all receives this condition of correct signal, need to be under the environment of real vehicle or emulation car, by manually carrying Intelligent key, by the mode simulated intelligence key of moved by hand and the different relative position of vehicle body, and use Intelligent key emitting radio frequency signal to realize at diverse location, visible, because needs manually participate in, so, implementation efficiency is lower, and can not meet the demand of automatic test.In addition, because need real vehicle or emulation car, so, need to take larger test site.
And method described in the present embodiment, effective pin output to PEPS controller to be measured is converted frequency conversion and/or the amplitude-change signalling obtaining by described radiofrequency signal, and determine frequently and/or constant-amplitude signal to other pin output of described PEPS controller to be measured, because effectively pin is that described Intelligent key can receive while forming predetermined location relationship with vehicle body by described radiofrequency signal and converts the frequency conversion that obtains and/or the pin of amplitude-change signalling, visible, each pin of PEPS controller all receives this condition of correct signal, by directly exporting correct signal to each pin of PEPS controller to be measured, realize, and without the artificial realization of carrying out under the environment of real vehicle or emulation car, so, without artificial participation, there is higher efficiency, simultaneously, without real vehicle or emulation car, so can save test land used.
It should be noted that, described in the present embodiment, " the actual formation of Intelligent key and vehicle body predetermined location relationship " refers to, in actual applications, and the predetermined location relationship that Intelligent key and vehicle body form, and in the present embodiment, as mentioned above, without vehicle body.
Further, in the method as shown in 1, the specific implementation of the radiofrequency signal of described reception Intelligent key transmitting can be: the radiofrequency signal of launching by antenna reception Intelligent key.
The specific implementation of described effective pin output first kind signal to PEPS controller to be measured can be: the antenna that receives described radiofrequency signal is connected with described effective pin.
The specific implementation of described other pin output Equations of The Second Kind signal to described PEPS controller to be measured can be: described other pin is connected with the antenna of conductively-closed.
With said method embodiment accordingly, the embodiment of the invention also discloses a kind of signal output apparatus, as shown in Figure 2, comprising:
Signal generating unit 201 and output unit 202.
Signal generating unit 201 is for first kind signal and Equations of The Second Kind signal occur, and output unit 202 is exported first kind signal for effective pin of the PEPS controller to be measured, and exports Equations of The Second Kind signal to other pin of described PEPS controller to be measured.
Wherein, described first kind signal frequency conversion and/or the amplitude-change signalling that the radiofrequency signal conversion of the Intelligent key transmitting that receives obtains of serving as reasons, described Equations of The Second Kind signal is frequently fixed or constant-amplitude signal, when described effective pin is described Intelligent key and the actual formation of vehicle body predetermined location relationship, in described PEPS controller to be measured, can receive the pin of described first kind signal.
The course of work of the device described in the present embodiment can, referring to Fig. 1, repeat no more here.
Device described in the present embodiment, can improve the efficiency of testing PEPS controller, also can save floor area simultaneously.
Disclosed another signal output apparatus of the embodiment of the present invention, as shown in Figure 3, comprising:
Aerial array 301, for receiving the radiofrequency signal of Intelligent key transmitting, and is converted to described first kind signal by described radiofrequency signal, and comprising a plurality of antennas, the quantity of antenna is identical with the quantity of the antenna input pin of PEPS controller to be measured.
The aerial array 302 of conductively-closed, for generating described Equations of The Second Kind signal, comprising the antenna of a plurality of conductively-closeds, the quantity of the antenna of conductively-closed is identical with the quantity of the antenna input pin of PEPS controller to be measured.
Switch arrays 303, comprising a plurality of gating switches, the quantity of gating switch is identical with the quantity of the antenna input pin of PEPS controller to be measured.
In the present embodiment, the antenna i of the conductively-closed in the antenna i in aerial array and the aerial array of described conductively-closed is connected with the corresponding pin gating of described PEPS controller to be measured by gating switch i, i=1 wherein, 2 ... N, it is the antenna in aerial array, the antenna of conductively-closed, between the antenna input pin of gating switch and PEPS to be measured, be one to one, that is to say, two optional ends of antenna of the corresponding antenna of gating switch and velamen shielding, an and antenna input pin, gating switch can be selected between these two optional ends, therefrom select one to input this pin with antenna and be communicated with.
The process that device described in the present embodiment is tested PEPS controller is: the radiofrequency signal of the antenna reception Intelligent key transmitting in aerial array, when pin i is effective pin, described gating switch i is connected described antenna i with described pin i, otherwise, described gating switch i is connected the antenna i of described conductively-closed with described pin i, i=1,2 ... N.
For example, as shown in Figure 3, the radiofrequency signal of the N in aerial array antenna reception Intelligent key transmitting, when pin 1 is effective pin, gating switch 1 is communicated with antenna 1 with pin 1, pin 2 is effective pins, gating switch 2 is communicated with antenna 2 with pin 2, pin 3 is not effective pin, gating switch 3 is communicated with the antenna of conductively-closed 3 with pin 3, the like, gating switch is communicated with the antenna of antenna or the conductively-closed pin corresponding with it, thereby can simulated intelligence key and vehicle body while forming predetermined location relationship, each pin of PEPS controller receives the situation of signal, so that whether the reaction of test PEPS controller is normal.
Gating switch described in Fig. 3, can manually control, in the case, control section can be mechanical key, also can automatically control by control end, in the case, control section can be control signal dispensing device, so, in Fig. 3, do not mark control section.
It should be noted that, in the present embodiment, effectively the differentiation of pin and other pin can realize in the following manner: set up in advance the relation between the relative position of Intelligent key and vehicle body, effective pin and signal value, in the time of need to testing the situation of certain relative position, in issuing the control signal of switch arrays, the signal value signal value corresponding with invalid signals corresponding to effective pin in the case distinguished and arranged.
For example, Intelligent key is positioned at vehicle body while going out radiofrequency signal, car outside antenna can receive, and pilothouse antenna is waited for bus, internal antenna does not receive radiofrequency signal, so, the pin being connected with car outside antenna is effective pin, is non-effective pin (corresponding gating switch 3) with the pilothouse antenna connected pin of internal antenna of waiting for bus.If the function of test Intelligent key PEPS controller when being positioned at vehicle body outgoing and going out radiofrequency signal, can transmit control signal to switch arrays, in control signal, for controlling the value of the signal of gating switch 3, be the value of enabling, and be disable value for controlling the value of the signal of other gating switch, control signal is different, and gating switch is selected object (antenna of antenna or the conductively-closed) difference being communicated with.
Based on above situation, in the present embodiment, further, the concrete structure of gating switch i as shown in Figure 4, comprising:
The moved end 401 being connected with the corresponding pin i of described PEPS controller to be measured, the first not moved end 402, the second moved end 403 not that is connected with the antenna i of conductively-closed in the aerial array of described conductively-closed being connected with antenna i in described aerial array, and control end 404.
Wherein control end 404 for control described moved end 401 with described first not moved end 402 or described second be not connected moved end 403, when moved end 402 is not connected with described first in described moved end 401, corresponding pin output first kind signal to described PEPS controller to be measured, when moved end 403 is not connected with described second in described moved end 401, to the corresponding pin output Equations of The Second Kind signal of described PEPS controller to be measured.
Further, described control end 404 comprises:
Control signal transmitter 4041, for the corresponding relation according between position and effective pin, to described switch arrays, transmit control signal, in described control signal, the control signal of controlling first kind gating switch is first kind control signal, the control signal of controlling other gating switch is Equations of The Second Kind control signal, and described first kind gating switch is the gating switch being connected with described effective pin, and described position is the relative position of described Intelligent key and vehicle body;
Control signal responder 4042, for responding described control signal, so that described first kind gating switch is communicated with antenna i with described effective pin, described Equations of The Second Kind gating switch is communicated with the antenna of conductively-closed with described other pin.
Particularly, control signal responder 4042 can be relay coil, when receiving the value of enabling, produce the magnetic field of repelling moved end 401, moved end 401 is communicated with, with antenna i when receiving disable value, produce the magnetic field that attracts moved end 401, moved end 401 is communicated with the antenna i of conductively-closed.
The operation that above-mentioned gating switch is communicated with each pin can walk abreast and carry out, and also can serial carry out.The in the situation that of parallel carrying out, N gating switch can share a control signal transmitter, as shown in Figure 5.
Visible, signal output apparatus described in the present embodiment, all be connected a gating switch with each the antenna input pin in PEPS controller to be measured, each gating switch can between the antenna of normal antenna and conductively-closed, select one therewith pin be communicated with, so, when Intelligent key sends radiofrequency signal, as long as send predefined control signal to gating switch, can test Intelligent key and vehicle body when certain relative position, the function of PEPS controller to be measured.So, not only without vehicle body and manual operation, also without intelligent movable key, therefore, can realize automation mechanized operation completely.
Further, in the present embodiment, the impedance operator of antenna i in described aerial array is identical with the connected antenna i impedance operator of described PEPS controller to be measured with reality, and the impedance operator of the conductively-closed antenna i in the aerial array of described conductively-closed is identical with the connected antenna i impedance operator of described PEPS controller to be measured with reality.
That is to say, each antenna in signal output apparatus described in the present embodiment (antenna that comprises normal antenna and conductively-closed), all identical with the impedance operator of the antenna being connected with each pin in reality, for example, in Fig. 3, PEPS controller to be measured is to use in brand A, drives antenna be connected in its pin 1 reality with the master of the vehicle of brand A, and the impedance operator of the antenna 1 of antenna 1 and conductively-closed is all identical with the impedance operator of the vehicle of brand A.Like this can be so that test environment be actual as approaching, the test result obtaining is more accurate.
Further, the number of plies of the radome of the antenna of conductively-closed is more, and shield effectiveness is better, in Fig. 3 and Fig. 5, take two-layer radome as example, in practical application, can determine according to the actual requirements, does not limit here.
If the function described in embodiment of the present invention method usings that the form of SFU software functional unit realizes and during as production marketing independently or use, can be stored in a computing equipment read/write memory medium.Understanding based on such, the part that the embodiment of the present invention contributes to prior art or the part of this technical scheme can embody with the form of software product, this software product is stored in a storage medium, comprise that some instructions are with so that a computing equipment (can be personal computer, server, mobile computing device or the network equipment etc.) carry out 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), the various media that can be program code stored such as random access memory (RAM, Random Access Memory), magnetic disc or CD.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment same or similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a signal output method, is characterized in that, comprising:
Receive the radiofrequency signal of Intelligent key transmitting;
Effective pin output first kind signal to PEPS controller to be measured, and export Equations of The Second Kind signal to other pin of described PEPS controller to be measured, described first kind signal frequency conversion and/or the amplitude-change signalling that the conversion of described radiofrequency signal obtains of serving as reasons, described Equations of The Second Kind signal is frequently fixed and/or constant-amplitude signal, when described effective pin is described Intelligent key and the actual formation of vehicle body predetermined location relationship, in described PEPS controller to be measured, can receive the pin of described first kind signal.
2. method according to claim 1, is characterized in that, the radiofrequency signal of described reception Intelligent key transmitting comprises:
The radiofrequency signal of launching by antenna reception Intelligent key.
3. method according to claim 2, is characterized in that, described effective pin output first kind signal to PEPS controller to be measured comprises:
The antenna that receives described radiofrequency signal is connected with described effective pin.
4. according to the method described in claims 1 to 3 any one, it is characterized in that, described other pin output Equations of The Second Kind signal to described PEPS controller to be measured comprises:
Described other pin is connected with the antenna of conductively-closed.
5. a signal output apparatus, is characterized in that, comprising:
Signal generating unit, for first kind signal and Equations of The Second Kind signal occur, described first kind signal frequency conversion and/or the amplitude-change signalling that the radiofrequency signal conversion of the Intelligent key transmitting that receives obtains of serving as reasons, described Equations of The Second Kind signal is frequently fixed or constant-amplitude signal;
Output unit, for exporting described first kind signal to effective pin of PEPS controller to be measured, and export described Equations of The Second Kind signal to other pin of described PEPS controller to be measured, when described effective pin is described Intelligent key and the actual formation of vehicle body predetermined location relationship, in described PEPS controller to be measured, can receive the pin of described first kind signal.
6. device according to claim 5, is characterized in that, described signal generating unit comprises:
Aerial array, for receiving the radiofrequency signal of Intelligent key transmitting, and is converted to described first kind signal by described radiofrequency signal, and in described aerial array, the quantity of antenna is N, and described N is the quantity of the antenna input pin of described PEPS controller to be measured;
The aerial array of conductively-closed, for generating described Equations of The Second Kind signal, in the aerial array of described conductively-closed, the quantity of the antenna of conductively-closed is N.
7. device according to claim 6, is characterized in that, described output unit comprises:
Switch arrays, comprising N gating switch, described N is the quantity of the antenna input pin of described PEPS controller to be measured;
The antenna i of the conductively-closed in the antenna i in described aerial array and the aerial array of described conductively-closed is connected with the corresponding pin gating of described PEPS controller to be measured by gating switch i, when pin i is effective pin, described gating switch i is communicated with described antenna i with described pin i, otherwise, described gating switch i is communicated with the antenna i of described conductively-closed with described pin i, wherein i=1,2 ... N.
8. device according to claim 7, is characterized in that, described gating switch i comprises:
The moved end being connected with the corresponding pin i of described PEPS controller to be measured;
The first moved end being not connected with antenna i in described aerial array;
The second moved end being not connected with the antenna i of conductively-closed in the aerial array of described conductively-closed;
Control end, be used for controlling described moved end with described first not moved end or described second be not connected moved end, when moved end is not connected with described first in described moved end, corresponding pin output first kind signal to described PEPS controller to be measured, when moved end is not connected with described second in described moved end, to the corresponding pin output Equations of The Second Kind signal of described PEPS controller to be measured.
9. device according to claim 8, is characterized in that, described control end comprises:
Control signal transmitter, for the corresponding relation according between position and effective pin, to described switch arrays, transmit control signal, in described control signal, the control signal of controlling first kind gating switch is first kind control signal, the control signal of controlling other gating switch is Equations of The Second Kind control signal, and described first kind gating switch is the gating switch being connected with described effective pin, and described position is the relative position of described Intelligent key and vehicle body;
Control signal responder, for responding described control signal, so that described first kind gating switch is communicated with antenna i with described effective pin, described Equations of The Second Kind gating switch is communicated with the antenna of conductively-closed with described other pin.
10. according to the device described in claim 5 to 8 any one, it is characterized in that, the impedance operator of the antenna i in described aerial array is identical with the connected antenna i impedance operator of described PEPS controller to be measured with reality.
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| CN106338984A (en) * | 2016-10-31 | 2017-01-18 | 中国第汽车股份有限公司 | Automatic test system and device for passive entry passive start (PEPS) bus signal |
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| CN106338984A (en) * | 2016-10-31 | 2017-01-18 | 中国第汽车股份有限公司 | Automatic test system and device for passive entry passive start (PEPS) bus signal |
| CN106338984B (en) * | 2016-10-31 | 2019-03-12 | 中国第一汽车股份有限公司 | A kind of keyless access system (PEPS) bus signals automatization test system and device |
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