CN107404356B - Vector modulator automatic measurement and control system based on fast Ethernet protocol - Google Patents

Vector modulator automatic measurement and control system based on fast Ethernet protocol Download PDF

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CN107404356B
CN107404356B CN201710648254.8A CN201710648254A CN107404356B CN 107404356 B CN107404356 B CN 107404356B CN 201710648254 A CN201710648254 A CN 201710648254A CN 107404356 B CN107404356 B CN 107404356B
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vector modulator
measurement
ethernet
processing board
control
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CN107404356A (en
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王鹏
陈东
余大庆
张昆
龚克
连帅彬
孙秋菊
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Xinyang Normal University
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/10Monitoring; Testing of transmitters
    • H04B17/11Monitoring; Testing of transmitters for calibration
    • H04B17/12Monitoring; Testing of transmitters for calibration of transmit antennas, e.g. of the amplitude or phase
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/10Monitoring; Testing of transmitters
    • H04B17/15Performance testing
    • H04B17/19Self-testing arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/20Monitoring; Testing of receivers
    • H04B17/21Monitoring; Testing of receivers for calibration; for correcting measurements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/20Monitoring; Testing of receivers
    • H04B17/29Performance testing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/03Protocol definition or specification 
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/16Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
    • H04L69/164Adaptation or special uses of UDP protocol
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Abstract

The automatic vector modulator measurement and control system based on the fast Ethernet protocol comprises an Ethernet physical layer transceiver, an Ethernet MAC controller, a vector modulator processing board and a vector modulator antenna array to be measured; the Ethernet physical layer transceiver is connected with the Ethernet MAC controller through an MII interface bus, the Ethernet MAC controller is connected with the vector modulator processing board through an external bus, and the vector modulator processing board is connected with the antenna array of the vector modulator to be tested through an antenna array test cable. The vector modulator automatic measurement and control system based on the fast Ethernet protocol greatly improves the test data transmission efficiency, well controls the complexity of the whole system, and almost does not increase the design cost compared with the traditional design scheme, but greatly improves the automatic test efficiency.

Description

Vector modulator automatic measurement and control system based on fast Ethernet protocol
Technical Field
The invention relates to an automatic measurement and control system of a vector modulator, in particular to an automatic measurement and control system of a vector modulator based on a fast Ethernet protocol.
Background
The Vector Modulator (VM) can utilize a pair of analog voltages to simultaneously control the phase shift and the amplitude attenuation of the radio frequency signals, the mass production cost of the vector modulator is obviously reduced compared with that of the traditional numerical control phase shift attenuator, and the vector modulator is a core component of a plurality of new-generation intelligent antenna arrays. However, the vector modulator is a typical analog device, the actual control curves of each VM are different, and in practice, in order to achieve the accuracy of the beam control (wave control) of the smart antenna array, the control curves of the VMs need to be extracted precisely and stored quantitatively, and under the condition of the prior art, a special PC host computer, wave control testing equipment and necessary microwave testing instruments are usually required to form a complete measurement and control system. For a long time, the automatic measurement and control system for the vector modulator mostly adopts the traditional UART serial port to realize the information interaction between the test upper computer and the measurement and control terminal. The highest transmission baud rate of the UART interface is only 115200bps, and then a part of measurement and control system replaces the traditional UART serial ports, such as CP2102, FT232R and the like, by using a USB virtual serial port, but the highest speed of the UART interface is not more than 1Mbps, the quantized data of the control curve of the vector modulator is very dense and different, so that a great amount of time is wasted on waiting for the completion of serial port data transmission in the traditional measurement and control technology, the time for completely extracting VM data of a set of antenna is often required to be several days, the improvement of the test efficiency is greatly limited, and the traditional test technology needs to manually control and record the count values of various instruments and meters and is not in accordance with the development direction of automatic test.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide an automatic measurement and control system of a vector modulator based on a fast Ethernet protocol.
The technical scheme of the invention is as follows:
the automatic vector modulator measurement and control system based on the fast Ethernet protocol comprises an Ethernet physical layer transceiver, an Ethernet MAC controller, a vector modulator processing board and a vector modulator antenna array to be measured; the Ethernet physical layer transceiver is connected with the Ethernet MAC controller through an MII interface bus, the Ethernet MAC controller is connected with the vector modulator processing board through an external bus, and the vector modulator processing board is connected with the antenna array of the vector modulator to be tested through an antenna array test cable.
Further, the vector modulator automatic measurement and control system based on the fast Ethernet protocol also comprises an upper computer program, a measurement and control computer containing the upper computer program, a programmable power supply, a power meter, a vector network analyzer and external direct current power supply; the upper computer program runs in the measurement and control computer containing the upper computer program, the Ethernet switch comprises at least 5 RJ45 ports, and the measurement and control computer containing the upper computer program, the programmable power supply, the Ethernet physical layer transceiver, the vector network analyzer and the power meter are respectively connected through network cables; the programmable power supply is connected with and supplies power to the vector modulator antenna array to be tested, and the vector modulator antenna array to be tested is respectively connected with the power meter and the vector network analyzer through a microwave cable 1 and a microwave cable 2; the external dc power supply connects to and provides power to the vector modulator processing board.
Further, a vector modulator automatic measurement and control system based on a fast Ethernet protocol is characterized in that: the programmable power supply adopts a high-power high-performance direct current power supply.
Further, a vector modulator automatic measurement and control system based on a fast Ethernet protocol is characterized in that: the upper computer software adopts an MFC program architecture, and the upper computer software utilizes a mature VISA virtual instrument software structure.
Further, a vector modulator automatic measurement and control system based on a fast Ethernet protocol is characterized in that: the Ethernet physical layer transceiver adopts an Ethernet PHY integrated transceiver chip.
Further, a vector modulator automatic measurement and control system based on a fast Ethernet protocol is characterized in that: the Ethernet MAC controller is constructed by adopting an FPGA.
Further, a vector modulator automatic measurement and control system based on a fast Ethernet protocol is characterized in that: the vector modulator measurement and control processing board is constructed by adopting an FPGA.
A method of testing a system according to any one of the preceding claims, comprising the steps of:
the first step: performing preparation work, including antenna connection and probe position initialization;
and a second step of: detecting whether the vector modulator measurement and control processing board and other instruments are connected successfully;
and a third step of: if the connection is successful, the fourth step is carried out, otherwise, a connection failure prompt is sent out through the measurement and control computer, and an operator retries the second step after checking the Ethernet connection;
fourth step: the read-back vector modulator measures and controls the FPGA program version number of the processing board;
fifth step: the sixth step is carried out if the read-back FPGA program version number of the vector modulator measurement and control processing board is normal, otherwise, the fourth step is retried after the FPGA program is re-burnt;
sixth step: self-checking an antenna;
seventh step: if the self-checking of the antenna is normal, performing an eighth step, otherwise, giving out the number and the positions of the self-checking abnormal channels, assisting in maintenance and troubleshooting of the antenna, and retrying the sixth step after the maintenance of the antenna;
eighth step: waiting for an operator to start a specific function test, if the specific function test is input, entering a ninth step, otherwise, continuously waiting;
ninth step: and according to different selection functions of operators, starting corresponding automatic test operation.
Compared with the prior art, the invention has the technical effects that the Ethernet communication protocol is introduced into the measurement and control system, the test data transmission efficiency is greatly improved, the complexity of the whole system is well controlled through the use of the Ethernet PHY integrated transceiver chip, and compared with the design scheme of transmission, the design cost is hardly increased, but the automatic test efficiency is greatly improved.
In addition, the measurement and control upper computer program also fully utilizes the VISA virtual instrument software architecture, and also takes the Ethernet communication protocol as the basis, and forms a complete program control test system by a plurality of professional instruments required by measurement and control, so that the automatic operation of a plurality of instruments can be realized without manual control. The test pressure is further relieved.
Drawings
Fig. 1 is a block diagram of the hardware components of the present invention.
Fig. 2 is a flowchart of the upper computer program.
Detailed Description
1-2, the vector modulator automatic measurement and control system based on the fast Ethernet protocol comprises an upper computer program, a measurement and control computer containing the upper computer program, an Ethernet switch, an Ethernet physical layer transceiver, an Ethernet MAC controller, a vector modulator measurement and control processing board, external direct current power supply, a programmable power supply, a vector network analyzer, a power meter and an antenna array of the vector modulator to be tested. The Ethernet physical layer transceiver is connected with the Ethernet MAC controller through an MII interface bus, the Ethernet MAC controller is connected with the vector modulator processing board through an external bus, and the vector modulator processing board is connected with the antenna array of the vector modulator to be tested through an antenna array test cable. The Ethernet switch comprises at least 5 RJ45 ports, and is connected with the measurement and control computer containing the upper computer program, the programmable power supply, the Ethernet physical layer transceiver, the vector network analyzer and the power meter through network cables respectively. The programmable power supply is connected with and supplies power to the vector modulator antenna array to be tested, and the vector modulator antenna array to be tested is respectively connected with the power meter and the vector network analyzer through the microwave cable 1 and the microwave cable 2. The external dc power supply connects to and provides power to the vector modulator processing board.
In the measurement and control computer, the upper computer program exists in the form of exe executable program, the program realizes UDP communication by using socket programming technology, all UDP data packets are converted into common RJ45 electrical interfaces after being processed by an Ethernet chip of the measurement and control computer, the complete RJ45 contains 8 signal wires in total, but in practice, only four signal wires of 1, 2, 3 and 6 in the upper computer program form 2 pairs of differential levels TX+/-, and RX +/-can realize 10/100Mbps self-adaptive full duplex communication with the outside.
The Ethernet exchanger is used for forming a complete Ethernet local area network by a measurement and control computer, a vector modulator measurement and control processing board, a programmable power supply, a vector network analyzer and a power meter in the whole automatic measurement and control system, and the electrical interface of the Ethernet local area network also adopts an RJ45 interface to support 10/100Mbps self-adaptive data transmission. The whole Ethernet switch should possess 5 RJ45 interfaces at least, wherein RJ45 interface 1 is used for connecting vector network analyzer, RJ45 interface 2 is used for connecting the power meter, RJ45 interface 3 is used for connecting the Ethernet physical layer transceiver, RJ45 interface 4 is used for connecting the measurement and control computer, RJ45 interface 5 is used for connecting the programmable power supply. And each RJ45 interface and the common network cable complete full duplex UDP data transmission under the corresponding connection relation.
The measurement and control computer is a hardware operation carrier of an upper computer program, an operating system can select Win XP/7/8/10 which is widely applied at present, and the measurement and control computer is required to be provided with an Ethernet card RJ45 interface. The upper computer program is realized by adopting an MFC architecture, and has the main advantages of strong hardware bottom layer operation capability and best operating system compatibility, which are the characteristics required by the industrial measurement and control program. Moreover, by utilizing the VISA virtual instrument software structure which is mature in the industry, the upper computer program can flexibly control the working states of professional instruments and meters such as a programmable power supply, a vector network analyzer, a power meter and the like by utilizing an RJ45 Ethernet interface only by carrying out secondary packaging according to standard instructions provided by different instrument manuals.
The Ethernet physical layer transceiver is formed by combining an RJ45 socket of an integrated transformer and an Ethernet PHY integrated transceiver chip which are mainstream in the market, such as HY931147C+Realtek RTL8211, and the integrated transformer in the RJ45 socket can reduce the volume of a circuit board and is also helpful for reducing the external interference and the interference of electromagnetic radiation to other elements. The Ethernet PHY integrated transceiver chip realizes the mutual conversion between the Ethernet physical layer signal and the MII interface digital signal, and the MII interface can be directly connected with the subsequent Ethernet MAC controller, thereby completing the conversion from the physical layer to the MAC layer. The other end of the Ethernet MAC controller is directly connected to an external bus of the vector modulator measurement and control processing board.
Because the transmission rate of the Ethernet is very high, the Ethernet MAC controller must have quite a processing capacity, the current mainstream scheme is to adopt a microprocessor or an FPGA, the invention adopts the FPGA to construct, compared with the microprocessor scheme, the FPGA has stronger parallel processing capacity and upgradeability, and simultaneously, the stability is better, thus being very suitable for the industrial batch test data transmission occasion.
The vector modulator measurement and control processing board is a customized Printed Circuit Board (PCB), power supply is derived from external direct current power supply, a wide-voltage input DC/DC power supply chip LTM8027 is adopted on the vector modulator measurement and control processing board, the external power supply voltage range is 16-60V, and the vector modulator measurement and control processing board is directly connected with an antenna array element, so that low-ripple linear power supply or high-performance switching power supply is needed for external direct current power supply for reducing interference.
The core of the vector modulator measurement and control processing board is an FPGA, which is a central part of the whole measurement and control system, and the functions of the vector modulator measurement and control processing board are realized by using a mature Finite State Machine (FSM) technology, can receive Ethernet data control instructions from an upper computer, and jump to different states of the state machine according to different instruction function identification codes, thereby completing three functions of external instrument and meter control, synchronous pulse generation and state switching and communication with DAC chips in the vector modulator antenna array, wherein the communication with the DAC chips in the vector modulator antenna array is the most critical. Along with the maturity of manufacturing process, the effective array element of some typical smart antennas has reached more than 3000, this means that the wave accuse system of antenna needs 6000 way independent DAC passageway at least, and because the space restriction that phased array antenna is harsh, it is difficult to realize to dispose independent DAC chip for each DAC passageway, therefore current vector modulator scheme smart antenna all adopts the single chip multichannel DAC that integrated channel is many, control accuracy is high, external interface is succinct, low power consumption, small. The DAC chip is most typical by AD5372/5373 of Aanlog Devices, and the digital control interface is an industrial standard 4-wire SPI bus, so that a vector modulator measurement and control processing board FPGA needs to instantiate a plurality of groups of SPI bus transceivers by utilizing the parallel advantage of the FPGA, thereby achieving the accurate amplitude and phase control of each antenna array element.
The vector modulator measurement and control processing board is connected with the antenna array of the vector modulator to be tested through an antenna array test cable, SPI clocks and SPI host data transmitting ends among a plurality of groups of SPI buses can be multiplexed and shared for reducing the number of cable signal lines, but SPI chip selection and SPI host data receiving ends must be realized independently, otherwise, the control of the single appointed vector modulator of the antenna array cannot be achieved.
The main purpose of the programmable power supply is to provide various working power supplies required by normal test of the antenna array, a high-power high-performance direct current power supply is needed, a typical product is N8925A of German corporation, and various power supplies are combined to meet the requirements of different antenna arrays when necessary, but the programmable power supply is required to be provided with an Ethernet interface, so that a program of an upper computer of a measurement and control computer can automatically set and monitor the working state of the power supply through Ethernet communication, and the test efficiency is improved.
The power meter and the vector network analyzer are one of the most commonly used instruments for microwave testing, and can be used for antenna receiving and transmitting performance testing, one end of each instrument is connected to an antenna array of the vector modulator to be tested through a microwave cable 1-2, the other end of each instrument is connected to an RJ45 interface of the Ethernet switch through a network cable, and finally, the instrument is still controlled and monitored by an upper computer program of the measurement and control computer, and the instrument is used for realizing automatic testing of the antenna.
Besides the hardware components of the measurement and control system, the program software of the measurement and control upper computer is another main component of the measurement and control system, and the specific functions of the measurement and control upper computer are realized through various dialog box controls and are reasonably classified. The measurement and control upper computer program of the embodiment can support synchronous pulse control, antenna beam control, T/R module control, antenna state monitoring, vector modulator measurement and control processing on-board Flash control, vector modulator loop band data extraction, emission calibration, receiving calibration and test data background processing functions, and each function comprises different setting options and control buttons.
The working flow of the measurement and control upper computer program is as follows:
the first step: preparation work is carried out, including antenna connection and probe position initialization.
And a second step of: and detecting whether the vector modulator measurement and control processing board and other instruments are successfully connected.
And a third step of: and if the connection is successful, performing a fourth step, otherwise, sending a connection failure prompt through the measurement and control computer, and retrying the second step after checking the Ethernet connection by an operator.
Fourth step: and the read-back vector modulator measures and controls the FPGA program version number of the processing board.
Fifth step: and (3) if the read-back FPGA program version number of the vector modulator measurement and control processing board is normal, performing a sixth step, otherwise, re-recording the FPGA program, and then retrying a fourth step.
Sixth step: and (5) self-checking the antenna.
Seventh step: and (3) if the antenna self-checking is normal, performing an eighth step, otherwise, giving out the number and the position of the self-checking abnormal channels, assisting in antenna maintenance and troubleshooting, and retrying the sixth step after the antenna maintenance.
Eighth step: waiting for the operator to start a specific function test, if a function input exists, entering a ninth step, otherwise, continuously waiting.
Ninth section: and according to different selection functions of operators, starting corresponding automatic test operation.
In order to complete the functions supported by the upper computer, the embodiment also provides a set of complete communication protocol of the measurement and control upper computer and the measurement and control processing board of the vector modulator, and adopts a UDP data packet format to support full duplex communication. The downlink communication protocol refers to a data Frame transmitted to a vector modulator measurement and control Processing board by a measurement and control upper computer, and can be divided into 3 types, wherein the first type is directly processed by the vector modulator measurement and control Processing board (abbreviated as PF Frame), the second type is only converted into SPI format by the vector modulator measurement and control Processing board and then sent to a waveguide motherboard in the antenna to be tested, the second type is not processed by the vector modulator measurement and control Processing board, and the third type is converted into SPI data format and sent to the waveguide motherboard in the antenna to be tested (abbreviated as CF Frame).
Similarly, the uplink communication protocol frame refers to a data frame transmitted to the measurement and control upper computer by the measurement and control processing board of the vector modulator, and can be divided into 2 types: the method is characterized in that a vector modulator measurement and control processing board receives a downlink data Frame needing to transmit back data and then generates the downlink data Frame (Protosomatic Feedback Frame, PFF) by itself, and the other method is that the antenna wave control motherboard to be tested generates the downlink data Frame and transmits the downlink data Frame to a host computer program (RF) after the downlink data Frame is transmitted by the vector modulator measurement and control processing board under the condition of connecting the antenna wave control motherboard to be tested.
The specific format and definition of the downlink and uplink communication protocol frames are determined according to the actual test requirements, and a typical downlink and uplink communication protocol frame list is shown.
Figure 938102DEST_PATH_IMAGE001
Figure 26144DEST_PATH_IMAGE002
As shown in fig. 2, the complete measurement and control upper computer program flow chart is illustrated as follows:
firstly, preparing test, such as antenna connection, probe position initialization, array plane polarization alignment, antenna leveling, instrument and meter connection and the like. And then the upper computer program can be run, and the upper computer program firstly utilizes the Ethernet to connect the vector modulator measurement and control processing board and other instruments and meters, can develop the subsequent steps only after the connection is successfully established, otherwise, gives a connection failure prompt, and can check the network connection between different instruments and meters and the Ethernet switch and retry until the connection is successful.
Because the processing core of the vector modulator measurement and control processing board is an FPGA, in order to ensure the accuracy of measurement and control work, the FPGA is added with a version readback function, the upper computer obtains the current FPGA program version number by using an Ethernet protocol and compares the current FPGA program version number with a built-in standard library, and once errors exist, the FPGA program of the vector modulator measurement and control processing board needs to be re-burned.
And then the upper computer program starts self-checking work on the whole antenna array, and the method performs specific data writing and reading operation on the DAC channel of the vector modulator where each array element is positioned, so that the effectiveness of the control channels of the single antenna array element amplitude and phase is checked, and finally the upper computer gives out the number and the positions of the abnormal control channels. Generally, even if about 10% of array element antennas are abnormal in control, the performance of the whole antenna is not affected significantly, and whether further maintenance is needed or not can be determined by operators according to the situation.
After the self-checking work is finished, the upper computer program enters an instruction waiting state, and according to input parameters of operators and button selection, 3 automatic test functions of ring belt data extraction, emission calibration and receiving calibration of the vector modulator are respectively realized, and in order to match with the 3 automatic tests, the upper computer program also supports various states of a manual control vector modulator measurement and control processing board and an antenna, and the functions comprise synchronous pulse control, antenna beam control, T/R module control, antenna state monitoring, vector modulator measurement and control processing board Flash control and test data background processing respectively.
The communication protocol and the upper computer flow chart between the measurement and control upper computer and the vector modulator measurement and control processing board are only the preferred embodiments of the invention, and it should be noted that, for those skilled in the art, several changes and modifications can be made without departing from the general concept of the invention, and these should also be considered as the protection scope of the invention.

Claims (6)

1. The utility model provides a vector modulator automated measurement and control system based on quick ethernet protocol which characterized in that: the system comprises an Ethernet physical layer transceiver, an Ethernet MAC controller, a vector modulator processing board and a vector modulator antenna array to be tested; the Ethernet physical layer transceiver is connected with the Ethernet MAC controller through an MII interface bus, the Ethernet MAC controller is connected with the vector modulator processing board through an external bus, and the vector modulator processing board is connected with the antenna array of the vector modulator to be tested through an antenna array test cable;
the system also comprises an upper computer program, a measurement and control computer containing the upper computer program, a programmable power supply, a power meter, a vector network analyzer and external direct current power supply; the upper computer program runs in the measurement and control computer containing the upper computer program, and the Ethernet switch comprises at least 5 RJ45 ports which are respectively connected with the measurement and control computer containing the upper computer program, the programmable power supply, the Ethernet physical layer transceiver, the vector network analyzer and the power meter through network cables; and each RJ45 interface and the common network cable complete full duplex UDP data transmission under the corresponding connection relation;
the programmable power supply is connected with and supplies power to the vector modulator antenna array to be tested, and the vector modulator antenna array to be tested is respectively connected with the power meter and the vector network analyzer through a microwave cable 1 and a microwave cable 2; the external direct current power supply is connected with the vector modulator processing board and supplies power for the vector modulator processing board;
the Ethernet physical layer transceiver adopts an Ethernet PHY integrated transceiver chip.
2. The rapid ethernet protocol based vector modulator automation measurement and control system of claim 1, wherein: the programmable power supply adopts a high-power high-performance direct current power supply.
3. The rapid ethernet protocol based vector modulator automation measurement and control system of claim 1, wherein: the upper computer software adopts an MFC program architecture, and the upper computer software utilizes a mature VISA virtual instrument software structure.
4. The rapid ethernet protocol based vector modulator automation measurement and control system of claim 1, wherein: the Ethernet MAC controller is constructed by adopting an FPGA.
5. The rapid ethernet protocol based vector modulator automation measurement and control system of claim 1, wherein: the vector modulator measurement and control processing board is constructed by adopting an FPGA.
6. A method of testing a system according to any preceding claim, comprising the steps of:
the first step: performing preparation work, including antenna connection and probe position initialization;
and a second step of: detecting whether the vector modulator measurement and control processing board and other instruments are connected successfully;
and a third step of: if the connection is successful, the fourth step is carried out, otherwise, a connection failure prompt is sent out through the measurement and control computer, and an operator retries the second step after checking the Ethernet connection;
fourth step: the read-back vector modulator measures and controls the FPGA program version number of the processing board;
fifth step: the sixth step is carried out if the read-back FPGA program version number of the vector modulator measurement and control processing board is normal, otherwise, the fourth step is retried after the FPGA program is re-burnt;
sixth step: self-checking an antenna;
seventh step: if the self-checking of the antenna is normal, performing an eighth step, otherwise, giving out the number and the positions of the self-checking abnormal channels, assisting in maintenance and troubleshooting of the antenna, and retrying the sixth step after the maintenance of the antenna;
eighth step: waiting for an operator to start a specific function test, if the specific function test is input, entering a ninth step, otherwise, continuously waiting;
ninth step: and according to different selection functions of operators, starting corresponding automatic test operation.
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