CN109413684B - Test instrument, antenna measurement system and test method - Google Patents
Test instrument, antenna measurement system and test method Download PDFInfo
- Publication number
- CN109413684B CN109413684B CN201710703844.6A CN201710703844A CN109413684B CN 109413684 B CN109413684 B CN 109413684B CN 201710703844 A CN201710703844 A CN 201710703844A CN 109413684 B CN109413684 B CN 109413684B
- Authority
- CN
- China
- Prior art keywords
- zigbee
- data
- zigbee module
- power
- main control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 66
- 238000005259 measurement Methods 0.000 title claims abstract description 14
- 238000010998 test method Methods 0.000 title abstract description 3
- 230000005855 radiation Effects 0.000 claims abstract description 11
- 230000007175 bidirectional communication Effects 0.000 claims abstract description 4
- 239000000523 sample Substances 0.000 claims description 33
- 238000005070 sampling Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 12
- 230000003993 interaction Effects 0.000 claims description 8
- 230000035945 sensitivity Effects 0.000 claims description 5
- 238000012790 confirmation Methods 0.000 claims description 4
- 238000011156 evaluation Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000006855 networking Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000006854 communication Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0871—Complete apparatus or systems; circuits, e.g. receivers or amplifiers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/10—Radiation diagrams of antennas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/10—Radiation diagrams of antennas
- G01R29/105—Radiation diagrams of antennas using anechoic chambers; Chambers or open field sites used therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses a test instrument, an antenna measurement system and a test method, wherein the test instrument comprises a main control board; at least two ZigBee modules supporting bidirectional communication, wherein the ZigBee modules are electrically connected with the main control board; at least two radio frequency interfaces are in one-to-one correspondence with the ZigBee modules and are used for the corresponding ZigBee modules to transmit or receive radio frequency signals; the upper computer interface is used for communicating the main control panel with the upper computer; the main control board is used for configuring the ZigBee module so as to control the ZigBee module to transmit or receive data; and transmitting the data received by the ZigBee module to an upper computer through an upper computer interface module. The invention aims to accurately test the radiation performance of a ZigBee product.
Description
Technical Field
The invention relates to the technical field of antenna testing, in particular to a testing instrument, an antenna measuring system and a testing method.
Background
The ZigBee technology is a two-way wireless communication technology with short distance, low complexity, low power consumption, low speed and low cost, is suitable for the fields of automatic control and remote control, and can be embedded into various devices. At present, the internet of things is developed at a high speed, various ZigBee products appear, how to distinguish the advantages and disadvantages of the products, and the performance strength is a focus of attention of people at present.
The whole radiation performance of the ZigBee product needs to be tested through a spherical near field antenna measurement system, the current spherical near field test needs to acquire data and process by means of a tester, but no instrument can test the parameters and the performances of the ZigBee product in a targeted way, and the ZigBee product can be subjected to data analysis only by means of large-scale instruments such as a network analyzer, a spectrometer, a comprehensive tester and the like; by adopting the measuring mode, on one hand, because the communication protocol of the ZigBee product is not universal like WiFi, bluetooth and other modules, the large instruments are not matched with the ZigBee product, so that the measurement data is incomplete and inaccurate; on the other hand, this also results in an excessively high cost of the entire measuring system.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a testing instrument antenna measuring system and a testing method, which aim to accurately test the radiation performance of a ZigBee product.
In order to achieve the above purpose, the present invention provides the following technical solutions:
scheme one:
a test instrument includes
A main control board;
at least two ZigBee modules supporting bidirectional communication, wherein the ZigBee modules are electrically connected with the main control board;
at least two radio frequency interfaces are in one-to-one correspondence with the ZigBee modules and are used for the corresponding ZigBee modules to transmit or receive radio frequency signals; the method comprises the steps of,
the upper computer interface is used for communicating the main control panel with the upper computer;
the main control board is used for configuring the ZigBee module so as to control the ZigBee module to transmit or receive data; and transmitting the data received by the ZigBee module to an upper computer through an upper computer interface module.
The technical scheme is as follows: the ZigBee module and the ZigBee product have the same protocol stack, and then can perform self-networking, and after networking, the testing instrument can acquire corresponding receiving power according to data received from the ZigBee product and upload the corresponding receiving power to the upper computer.
Preferably, the ZigBee module is connected with the main control board in a pluggable mode.
The technical scheme is as follows: the expandability and compatibility of the testing instrument are enhanced, and ZigBee modules with the same protocol stack can be connected to the current testing instrument according to the requirements of different manufacturers so as to test ZigBee products produced by different manufacturers.
Preferably, the upper computer interface is at least one of a serial port and a network port.
The technical scheme is as follows: the testing instrument can communicate with the upper computer, so that on one hand, a worker can conveniently control the testing instrument through the upper computer; on the other hand, the test instrument can transmit analysis data to the upper computer, so that a worker can check the analysis data conveniently at the upper computer.
Preferably, the interface panel is further configured with a USB interface.
The technical scheme is as follows: the testing instrument can be connected with a USB (universal serial bus) interface, a USB flash disk, a PC (personal computer) and the like, so that the data can be conveniently copied by staff.
Preferably, the test instrument further comprises a key panel and a display panel, and the key panel and the display panel are electrically connected with the main control panel.
The technical scheme is as follows: the staff can carry out on-site control and parameter setting to the test instrument through the key panel, and meanwhile, the data obtained by the test instrument can be displayed through the display panel.
Scheme II:
an antenna measurement system, comprising:
an annular bracket arranged in the shielding darkroom;
a plurality of antenna probes arranged on the annular support;
the rotary table is arranged at the bottom of the annular support, and a carrier is arranged at the top of the rotary table through a holding pole;
the turntable control device is used for controlling the turntable to rotate according to the received control instruction;
a test instrument as described in the above schemes; the method comprises the steps of,
and the probe switching control device is electrically connected with the test instrument, and is used for selectively switching the probe according to the received control instruction and establishing a connection path between the selected probe and the radio frequency interface of the test instrument.
The technical scheme is as follows: the ZigBee module in the test instrument performs data interaction with the ZigBee product through the antenna probe; the spherical data of the ZigBee product can be sampled only by controlling the rotation of the turntable through the turntable control device and switching and selecting the probe through the probe switching control device; the acquired data are analyzed and calculated by a testing instrument to obtain the transmitting and receiving performance evaluation data.
Scheme III:
a method for measuring radiation properties of a ZigBee product, comprising:
according to items to be tested of the ZigBee product to be tested, configuring the ZigBee module as a transmitting end or a receiving end respectively, and connecting a probe switching control device to a corresponding radio frequency interface respectively;
when the project test is carried out, zigBee products are placed on a carrier and networking is carried out with ZigBee modules corresponding to the connected radio frequency interfaces;
controlling the ZigBee module to perform data interaction with the ZigBee product so as to obtain sampling data in the interaction process;
controlling the turntable to rotate and the probe to switch, and repeating the test to obtain spherical sampling data;
and analyzing and calculating the acquired spherical sampling data to acquire TRP and TIS evaluation data of the ZigBee product.
In summary, the invention has the advantages that: the whole performance of the ZigBee product can be tested in a shielding darkroom, and the product performance can be reasonably evaluated through TRP and TIS data. And by utilizing the ZigBee ad hoc network property, data transmission is realized among the ZigBee product, the ZigBee receiving end and the transmitting end, and corresponding receiving power is calculated through the signal strength when the data is received. The method has the advantages that large-scale test instruments such as a network analyzer, a frequency spectrograph and a comprehensive tester are completely abandoned, and the test of the omnidirectional radiation power (TRS) and the omnidirectional sensitivity (TIS) is realized only through the data transmission among ZigBee.
Drawings
FIG. 1 is a schematic block diagram of a test instrument according to a first embodiment;
fig. 2 is a schematic structural diagram of an antenna measurement system in the second embodiment.
Reference numerals: 1. shielding a darkroom; 2. an annular bracket; 3. an antenna probe; 4. a turntable; 5. holding pole; 6. a carrier rack; 7. ZigBee product.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the embodiments of the present invention are not limited thereto.
Embodiment one:
the present embodiment provides a test instrument, as shown in fig. 1, which includes a main control board; and at least two ZigBee modules, a display panel, a key panel and an interface panel which are electrically connected with the main control panel and support bidirectional communication.
The ZigBee module comprises a module carrier plate and a ZigBee chip, wherein parameters and performances of the ZigBee chip are known, and the ZigBee chip is welded on the module carrier plate; in specific implementation, the ZigBee module and the main control board are connected in a pluggable manner, and a PCIE interface is taken as an example: PCIE interfaces (a male port and a female port respectively) are respectively configured on the module carrier plate and the main control board, and then the module carrier plate can be inserted and installed with the main control board through the PCIE interfaces, and then a user can access ZigBee modules with different protocol stacks on the main control board according to the needs. The pluggable connection mode can also adopt a pin header interface and the like for connection, and the embodiment is not repeated.
The interface panel can be connected with the main control board through the wiring extension socket, in this embodiment, at least the interface panel is configured with: the device comprises a power interface, at least two radio frequency interfaces, an upper computer interface and a USB interface. Wherein:
the power interface is used for receiving an external direct current power supply to supply power to the whole testing instrument.
The radio frequency interfaces are electrically connected with the ZigBee modules one by one respectively, and the ZigBee modules transmit or receive radio frequency signals through the corresponding radio frequency interfaces.
The upper computer interface is used for communicating the main control board with the upper computer, and a user can remotely perform parameter configuration and control on the whole testing instrument through the upper computer. The upper computer interface is at least one of a serial port and a network port.
The USB interface is used for connecting devices such as a USB flash disk and a PC so as to copy the data in the test instrument.
Generally, in order to facilitate the user to observe the state of each interface, various indicator lamps are integrated on the interface panel, and the various indicator lamps are in one-to-one correspondence with each interface so as to display the connection state of each interface.
The key panel is used for a user to input various data and control operations so as to perform field control and parameter configuration on the whole test food. The display panel is used for displaying various current parameters of the test instrument.
Before testing, parameter configuration is carried out, a testing instrument initializes and reads the system configuration of the main control panel, correspondingly controls the initialization of the display panel and the on-off states of various indicator lamps, and simultaneously judges the enabling condition of the upper computer interface. Under the condition that an upper computer interface is not enabled, a user can perform instrument parameter configuration on the array template through IO control of the key panel, so that interface parameter data of the display panel are changed; under the condition that the upper computer interface is enabled, external control signals are transmitted to a main control board on the testing instrument through the upper computer interface, the instrument parameter configuration is modified, and meanwhile, the interface parameter data of the display panel is also changed.
After the parameters are configured, the ZigBee module transmits or receives signals through the radio frequency interface, and the main control board transmits the data received by the ZigBee module to the upper computer.
Embodiment two:
the present embodiment provides an antenna measurement system, referring to fig. 2, which includes: an annular bracket 2 arranged in the shielding darkroom 1; a plurality of antenna probes 3 provided on the annular bracket 2; the turntable 4 is arranged at the bottom of the annular bracket 2, and a carrier 6 is arranged at the top of the turntable 4 through a holding pole 5; the turntable 4 control device is used for controlling the turntable 4 to rotate according to the received control instruction; the test instrument of embodiment one; and the probe switching control device is electrically connected with the test instrument, and is used for selectively switching the probe according to the received control instruction and establishing a connection path between the selected probe and the radio frequency interface of the test instrument.
Wherein the carrier 6 is located in the centre of the ring-shaped support 2 such that the distance from each antenna probe 3 is substantially equal when the ZigBee products 7 are placed on the carrier 6.
The turntable 4 control device, the testing instrument and the probe switching control device are all communicated with the upper computer, and a user can respectively configure and control the testing instrument turntable 4 control device, the testing instrument and the probe switching control device through the upper computer during testing; by controlling the turntable 4 and each probe, the received power of each space point of the ZigBee product 7 is subjected to data sampling, so as to obtain spherical sampling data.
Embodiment III:
a method for measuring radiation performance of a ZigBee product, the method being implemented based on the antenna measurement system described in embodiment two, with reference to the figure, the method comprising:
configuration: according to the items to be tested of the ZigBee product 7 to be tested, the ZigBee modules are respectively configured as a transmitting end or a receiving end, and the probe switching control devices are respectively connected to the corresponding radio frequency interfaces.
Networking: when the project test is carried out, the ZigBee product 7 is arranged on the carrier 6 and is networked with the ZigBee module corresponding to the connected radio frequency interface;
an interaction step: and controlling the ZigBee module to perform data interaction with the ZigBee product 7 so as to obtain sampling data in the interaction process.
Specifically, when an omnidirectional radiation power (TRP) test is performed: the ZigBee product 7 is controlled to transmit data, the data is received by a ZigBee module serving as a receiving end through a connected probe, the received data is RSSI data, and the value of the received Power Power can be calculated by using the formula RSSI=offset+Power, and the value is used as sampling data; the offset represents the front-end gain, which is a preset value, typically-45.
In specific implementation, the offset may be calibrated by: during actual operation, a spectrometer can be used for replacing the ZigBee module to sample data of the ZigBee product 7, the received power value of each group is obtained and compared with the received power value calculated by the data obtained by the ZigBee module, the offset is adjusted within the range of reasonable error to reach the actual optimal value, and meanwhile, the loss of the transmission cable is calculated.
In conducting the omnidirectional sensitivity (TIS) test: the ZigBee module serving as a transmitting end is controlled to transmit data to the ZigBee product 7 through the connected probe at an initial set power; if the ZigBee product 7 receives the data, a section of confirmation data is returned and is received by the ZigBee module serving as a transmitting end; the main control board judges whether the error rate of the signal reaches an upper limit value according to the data received by the ZigBee module, if not, the transmitting power of the ZigBee module is reduced until the condition is met or the ad hoc network between the two is disconnected; the transmit power at this time is recorded as a set of sampled data.
Spherical surface sampling: the turntable 4 is controlled to rotate and the probe is controlled to switch, and the test is repeated to acquire spherical sampling data.
And a data analysis step: and analyzing and calculating the acquired spherical sampling data to acquire TRP and TIS evaluation data of the ZigBee product 7.
The obtained sampling data are sent to the upper computer by the main control board, and are calculated by the built-in test software of the upper computer.
Claims (5)
1. An antenna measurement system, comprising: an annular bracket (2) arranged in the shielding darkroom (1); a plurality of antenna probes (3) arranged on the annular support (2); the rotary table (4) is arranged at the bottom of the annular bracket (2), and a carrier (6) is arranged at the top of the rotary table (4) through a holding pole (5); the turntable (4) control device is used for controlling the turntable (4) to rotate according to the received control instruction; a test instrument; the test instrument includes:
a main control board; at least two ZigBee modules supporting bidirectional communication, wherein the ZigBee modules are electrically connected with the main control board; at least two radio frequency interfaces are in one-to-one correspondence with the ZigBee modules and are used for the corresponding ZigBee modules to transmit or receive radio frequency signals; the upper computer interface is used for communicating the main control panel with the upper computer; the main control board is used for configuring the ZigBee module so as to control the ZigBee module to transmit or receive data; the ZigBee module receives data and transmits the data to an upper computer through an upper computer interface module;
when an omnidirectional radiation Power test is carried out, the system controls the ZigBee product (7) to transmit data, and a probe connected with the ZigBee module receives the data, wherein the received data is RSSI data, and a value of the received Power Power is calculated by using a formula RSSI=offset+Power and is used as sampling data; wherein, offset represents the front-end gain, which is a preset value;
further comprises:
the frequency spectrograph is used for carrying out data sampling on the ZigBee product (7) to obtain the numerical value of each group of received power;
the main control board acquires a received power value calculated by data obtained by the ZigBee module, compares a sampling value of the spectrometer with the received power value of the ZigBee module, and adjusts offset according to a comparison difference value;
when conducting the omnidirectional sensitivity test: the system controls the ZigBee module serving as a transmitting end to transmit data to the ZigBee product (7) with an initial set power through the connected probe;
if the ZigBee product receives the data, returning a section of confirmation data, and receiving the confirmation data by the ZigBee module serving as a transmitting end;
the main control board judges whether the error rate of the signal reaches an upper limit value according to the data received by the ZigBee module, if not, the transmitting power of the ZigBee module is reduced until the condition is met or the ad hoc network between the two is disconnected; wherein, the transmitting power is recorded as a group of sampling data;
and the probe switching control device is electrically connected with the test instrument, and is used for selectively switching the probe according to the received control instruction and establishing a connection path between the selected probe and a radio frequency interface of the test instrument.
2. The antenna measurement system according to claim 1, wherein the ZigBee module is connected to the main control board in a pluggable manner.
3. The antenna measurement system of claim 1, wherein the host computer interface is at least one of a serial port and a network port.
4. The antenna measurement system of claim 1, wherein the test instrument further comprises a key panel and a display panel, each of the key panel and the display panel being electrically connected to the main control board.
5. A method for measuring radiation performance of ZigBee products, applied in an antenna measurement system according to any of claims 1-4, comprising: according to items to be tested of the ZigBee product (7) to be tested, configuring the ZigBee module as a transmitting end or a receiving end respectively, and connecting the probe switching control device to a corresponding radio frequency interface respectively; when the project test is carried out, the ZigBee product (7) is arranged on the carrier (6) and is networked with the ZigBee module corresponding to the connected radio frequency interface; the ZigBee module is controlled to perform data interaction with the ZigBee product (7) so as to obtain sampling data in the interaction process;
wherein, when carrying out the omnidirectional radiation power test, include: controlling a ZigBee product (7) to transmit data, and receiving the data by a probe connected with a ZigBee module, wherein the received data is RSSI data, calculating the value of the received Power Power by using the formula RSSI=offset+Power, and taking the value as sampling data; wherein, offset represents the front-end gain, which is a preset value; further comprises:
calibrating the offset, and sampling data of the ZigBee product (7) through a frequency spectrograph to obtain a numerical value of each group of received power;
acquiring a received power value calculated by data obtained by the ZigBee module;
comparing the sampling value of the spectrometer with the receiving power value of the ZigBee module;
and adjusting the offset according to the comparison difference;
when conducting the omnidirectional sensitivity test: the ZigBee module serving as a transmitting end is controlled to transmit data to the ZigBee product (7) at an initial set power through the connected probe;
if the ZigBee product 7 receives the data, a section of confirmation data is returned and is received by the ZigBee module serving as a transmitting end;
the main control board judges whether the error rate of the signal reaches an upper limit value according to the data received by the ZigBee module, if not, the transmitting power of the ZigBee module is reduced until the condition is met or the ad hoc network between the two is disconnected; wherein, the transmitting power is recorded as a group of sampling data; controlling the turntable (4) to rotate and the probe to switch, and repeating the test to obtain spherical sampling data; and analyzing and calculating the acquired spherical sampling data to acquire the omnidirectional radiation power and the omnidirectional sensitivity evaluation data of the ZigBee product (7).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710703844.6A CN109413684B (en) | 2017-08-16 | 2017-08-16 | Test instrument, antenna measurement system and test method |
| PCT/CN2017/115971 WO2019033642A1 (en) | 2017-08-16 | 2017-12-13 | Test instrument, antenna measurement system and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710703844.6A CN109413684B (en) | 2017-08-16 | 2017-08-16 | Test instrument, antenna measurement system and test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109413684A CN109413684A (en) | 2019-03-01 |
| CN109413684B true CN109413684B (en) | 2023-05-26 |
Family
ID=65362165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710703844.6A Active CN109413684B (en) | 2017-08-16 | 2017-08-16 | Test instrument, antenna measurement system and test method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109413684B (en) |
| WO (1) | WO2019033642A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110531174A (en) * | 2019-10-11 | 2019-12-03 | 深圳合一测试科技有限公司 | Electromagnetic reverberation room shields box structure and test method |
| CN113656334B (en) * | 2020-05-12 | 2023-08-08 | 大唐移动通信设备有限公司 | Data transmission processing method and device |
| CN111614408B (en) * | 2020-06-03 | 2022-04-08 | 福达新创通讯科技(厦门)有限公司 | RF test method of Zigbee module |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103856277A (en) * | 2014-03-24 | 2014-06-11 | 武汉威士讯信息技术有限公司 | Automatic testing system and method for measuring ZigBee radio frequency performance |
| CN204258820U (en) * | 2014-12-11 | 2015-04-08 | 厦门盈趣科技股份有限公司 | A kind of Zigbee radio frequency test system |
| CN106788791A (en) * | 2016-10-31 | 2017-05-31 | 北京中科国技信息系统有限公司 | The many corrugated controller test systems in darkroom, method and device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201417142Y (en) * | 2009-04-16 | 2010-03-03 | 北京华创风云科技有限责任公司 | Ultrasonic wave depth detection device based on Zigbee technology |
| CN105100000B (en) * | 2014-05-04 | 2020-05-12 | 中芯国际集成电路制造(上海)有限公司 | Interface conversion device and network system |
| CN105548804A (en) * | 2015-12-08 | 2016-05-04 | 青岛乾程智能配电有限公司 | Power line fault indicator probe |
| CN106160888B (en) * | 2016-06-30 | 2021-05-14 | 上海庆科信息技术有限公司 | Test system and method of wireless communication module |
| CN106443209B (en) * | 2016-12-03 | 2023-09-29 | 刘科宏 | System and method for testing three-dimensional space far-field radiation characteristics of active base station antenna |
| CN207010996U (en) * | 2017-08-16 | 2018-02-13 | 刘科宏 | Tester, antenna measurement system |
-
2017
- 2017-08-16 CN CN201710703844.6A patent/CN109413684B/en active Active
- 2017-12-13 WO PCT/CN2017/115971 patent/WO2019033642A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103856277A (en) * | 2014-03-24 | 2014-06-11 | 武汉威士讯信息技术有限公司 | Automatic testing system and method for measuring ZigBee radio frequency performance |
| CN204258820U (en) * | 2014-12-11 | 2015-04-08 | 厦门盈趣科技股份有限公司 | A kind of Zigbee radio frequency test system |
| CN106788791A (en) * | 2016-10-31 | 2017-05-31 | 北京中科国技信息系统有限公司 | The many corrugated controller test systems in darkroom, method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109413684A (en) | 2019-03-01 |
| WO2019033642A1 (en) | 2019-02-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109413684B (en) | Test instrument, antenna measurement system and test method | |
| CN106772287A (en) | A kind of Radar Automatic Test System of generic Extensible | |
| CN107018223A (en) | One kind is used for mobile phone radio frequency signal testing method and system | |
| CN210157197U (en) | Detection apparatus based on bluetooth communication module | |
| CN101605340A (en) | Be used for method and device that mobile phone antenna performance detects | |
| CN202305058U (en) | Resonance type SAW temperature sensor automatic test system | |
| CN203813796U (en) | Testing apparatus for micro-power wireless communication module | |
| CN207010996U (en) | Tester, antenna measurement system | |
| CN210927638U (en) | Wireless terminal signal testing device | |
| CN112730993B (en) | Electromagnetic environment monitoring system | |
| CN100468068C (en) | Automatic detecting system and method for mobile phone radiation | |
| JP6552806B2 (en) | Method of testing wireless transmission of smart devices and wireless transmission network analysis tool | |
| CN104780002A (en) | Miniaturized OTA testing system with multiple probes | |
| US9031808B2 (en) | System of testing multiple RF modules and method thereof | |
| CN204578541U (en) | A kind of miniaturized OTA test macro with multiple probe | |
| US10837992B2 (en) | RF cable and cable-bound path loss determination method | |
| CN111556522A (en) | Reliability test method for Internet of things module | |
| CN203761408U (en) | Performance test system of bluetooth finished product | |
| CN111010244B (en) | Wireless sensor testing system and method | |
| CN209961848U (en) | Automatic radiation immunity detection system for current loop signal synchronous acquisition | |
| CN203825015U (en) | Multi-channel thrombelastogram instrument | |
| KR101800277B1 (en) | Fm radio auto test set | |
| CN214675164U (en) | Multi-channel radio frequency automatic control test equipment | |
| CN221127301U (en) | Wireless radio frequency narrowband test fixture and system | |
| CN220154665U (en) | Controllable focus consistency tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240116 Address after: 518000 unit 2, floor 2, No.5, Hualian Industrial Zone, Xinshi community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN XINYI TECHNOLOGY Co.,Ltd. Address before: 571126 No. 6, Tanxiang village, Lingshan Town, Meilan District, Haikou City, Hainan Province Patentee before: Liu Kehong |