CN107465430A - The method and system of FM signal parameter monitoring based on cpci bus - Google Patents

The method and system of FM signal parameter monitoring based on cpci bus Download PDF

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Publication number
CN107465430A
CN107465430A CN201710532426.5A CN201710532426A CN107465430A CN 107465430 A CN107465430 A CN 107465430A CN 201710532426 A CN201710532426 A CN 201710532426A CN 107465430 A CN107465430 A CN 107465430A
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module
signal
signal parameter
logic device
programmable logic
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CN107465430B (en
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张海林
王瑞书
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Beijing Institute of Radio Measurement
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Beijing Institute of Radio Measurement
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)

Abstract

The embodiment of the invention discloses a kind of method and system of the FM signal parameter monitoring based on cpci bus, belong to signal processing technology field.This method includes：After programmable logic device receives reference clock signal, program configuration signal and bus command, collection signal is sent to Digital Down Converter Module；After Digital Down Converter Module receives collection signal, gather and send FM signal parameter to programmable logic device；Programmable logic device sends FM signal parameter to cpci bus bridge module；FM signal parameter is entered row decoding by cpci bus bridge module, and is sent to cpci bus.Avoid that the volume of equipment is big, and degree of intelligence is not high, the technical problem of system reliability difference, realize cost-effective, highly reliable technique effect.

Description

The method and system of FM signal parameter monitoring based on cpci bus
Technical field
The present invention relates to signal processing technology field, the side of the FM signal parameter monitoring more particularly to based on cpci bus Method and system.
Background technology
, it is necessary to monitor the modulation degree of FM signal in real time in modern broadcast and communication system, and the monitoring number that will be collected into According to being analyzed and processed, the failure in broadcasting or communicating is excluded rapidly, and is reported, and is managed collectively by management and control center.Existing Have in technology, by using special FM signal modulation degree monitoring device or the monitoring scheme of tester coupled computer, enter Detection of the row to modulation degree, so as to realize the detection of FM signal.
During the present invention is realized, inventor has found that at least there are the following problems：
1. the volume of equipment is big, degree of intelligence is not high, and system reliability is poor；
2. because cost of equipment is very high, cost is undoubtedly added；
3. it is unfavorable for the system integration.
The content of the invention
To achieve the above object, the invention provides a kind of method of the FM signal parameter monitoring based on cpci bus and System.
According to the one side of invention, the embodiments of the invention provide a kind of FM signal parameter monitoring based on cpci bus Method, methods described includes：
Step 1：After programmable logic device receives reference clock signal, program configuration signal and bus command, to numeral Down conversion module, which is sent, to be started to gather signal；
Step 2：The Digital Down Converter Module receive it is described start gather signal after, gather and send FM signal ginseng Count to the programmable logic device；
Step 3：The programmable logic device sends the FM signal parameter to cpci bus bridge module；
Step 4：The FM signal parameter is entered row decoding by the cpci bus bridge module, and is sent to the CPCI Bus.
Preferably, the FM signal parameter is modulation degree.
The technical scheme provided according to the present embodiment, on the one hand, need to set corresponding equipment in the prior art, avoid Equipment volume is big in the prior art, the low technical problem of degree of intelligence.On the other hand, exchanged according to the technical scheme of the present embodiment Frequency signal parameter is obtained, and is transmitted, wherein, FM signal parameter is primarily referred to as modulation degree, it is achieved thereby that reliability Height, relevant information, cost-effective technique effect are known in time.
Further, before the step 1, methods described also includes：
Step 11：After program configuration module receives the power supply signal of the first power module offer, patrolled to described may be programmed Collect device and send described program configuration signal；
Step 12：After clock module receives the power supply signal of second source module offer, to the programmable logic device Send the reference clock signal；
Step 13：After the cpci bus bridge module receives the data acquisition instructions that the cpci bus is sent, to The programmable logic device sends the bus command.
Further, the step 2 includes：
Step 21：After the Digital Down Converter Module receives the collection signal, the measurement in AD conversion module is gathered Data；
Step 22：The measurement data is subjected to symbol Bits Expanding, digital mixing, down coversion, filtering extraction and frequency discrimination behaviour Make, the measurement data is converted into the FM signal parameter；
Step 23：The FM signal parameter is sent to the programmable logic device.
The technical scheme provided by the present embodiment, is accorded with the measurement data received by Digital Down Converter Module Number Bits Expanding, digital mixing, down coversion, filtering extraction and frequency discrimination operation, so as to which measurement data is converted into FM signal parameter. So that become apparent from the bright and clear relevant information for knowing FM signal parameter, so as to frequency modulation signal parameter is carried out in time analysis and Processing.
Further, the step 3 includes：
Step 31：The FM signal parameter is sent to memory and cached by the programmable logic device；
Step 32：The programmable logic device is read in the time according to default time interval from the memory It is spaced the FM signal parameter of memory storage；
Step 33：The programmable logic device joins the FM signal in the time interval memory storage read Number is sent to the cpci bus bridge module.
The technical scheme provided by the present embodiment, it is not necessary to FM signal parameter is constantly read, and by interval of one The fixed time carries out FM signal parameter reading, is economized on resources with realizing, the technique effect of united analysis and transmission.
Further, the programmable logic device includes：Clock management module, Digital Down Convert interface module, memory Interface module, CPCI communication modules and data interaction module.
According to another aspect of the present invention, the invention provides corresponding with the above method a kind of based on cpci bus The system of FM signal parameter monitoring, the system include：Programmable logic device, Digital Down Converter Module, cpci bus bridge joint Module, cpci bus；Wherein,
The programmable logic device：After receiving reference clock signal, program configuration signal and bus command, to institute State Digital Down Converter Module and send collection signal；
The Digital Down Converter Module：After receiving the collection signal, gather and send FM signal parameter extremely The programmable logic device；
The programmable logic device is additionally operable to：The FM signal parameter is sent to the cpci bus bridge module；
The cpci bus bridge module：For the FM signal parameter to be entered into row decoding, and send to the CPCI Bus.
Further, the system also includes：：Program configuration module, the first power module, clock module, second source Module；Wherein, described program configuration module：After the power supply signal provided for receiving first power module, to described Programmable logic device sends described program configuration signal；
The clock module：After the power supply signal provided for receiving the second source module, it may be programmed to described Logic device sends the reference clock signal；
The cpci bus bridge module is additionally operable to：After receiving the data acquisition instructions that the cpci bus is sent, to The programmable logic device sends the bus command.
Further, the system also includes：Memory；Wherein, the programmable logic device is additionally operable to：By the frequency modulation Signal parameter sends to memory and cached, and is read according to default time interval from the storage in the time interval The FM signal parameter of memory storage, the FM signal parameter read is sent to the cpci bus and bridges mould Block.
Further, the programmable logic device includes：Clock management module, Digital Down Convert interface module, memory Interface module, CPCI communication modules and data interaction module；Wherein,
The Clock management module：The reference clock signal sent for receiving the clock module, and by described in Reference clock signal is respectively sent to the Digital Down Convert interface module, the memory interface module, CPCI communications Module and the data interaction module；
The data interaction module：For respectively to the Digital Down Convert interface module, memory interface module and CPCI communication modules send control signal；
The Digital Down Convert interface module：After receiving the control signal, to the Digital Down Converter Module The collection signal is sent, receives the FM signal parameter that the Digital Down Converter Module is sent, and the frequency modulation is believed Number parameter is sent to the data interaction module；
The memory interface module：After receiving the control signal, read from the data interaction module The FM signal parameter, and the FM signal parameter is sent to the memory, according to default time interval from institute The FM signal parameter read in memory in the time interval memory storage is stated, and will be in the time interval memory storage The FM signal parameter send to the data interaction module；
The CPCI communication modules：After receiving the control signal, the cpci bus bridge module is received Bus command, and the bus command is sent to the data interaction module, receive the institute that the data interaction module is sent FM signal parameter is stated, and row decoding is entered to the FM signal parameter, is additionally operable to send the FM signal parameter after decoding To the cpci bus bridge module.
Further, the Digital Down Converter Module is specifically used for：
After receiving the collection signal, the measurement data in AD conversion module is gathered；
Measurement data is subjected to symbol Bits Expanding, digital mixing, down coversion, filtering extraction and frequency discrimination operation, is converted to institute State FM signal parameter；
The FM signal parameter is sent to the programmable logic device.
The beneficial effect of the embodiment of the present invention is, programmable logic device is received as a result of Digital Down Converter Module After the collection signal of transmission, gather and send FM signal parameter to programmable logic device, cpci bus bridge module and receiving After the FM signal parameter sent to programmable logic device, FM signal parameter is entered into row decoding, and the frequency modulation after decoding is believed Number parameter is sent to the technical scheme of IPCI buses, avoids cost height, the low technical problem of degree of intelligence, realizes reliability By force, it is cost-effective, the high technique effect of integrated level.
Brief description of the drawings
Fig. 1 is that a kind of method flow of FM signal parameter monitoring based on cpci bus provided in an embodiment of the present invention shows It is intended to；
Fig. 2 is a kind of method stream for FM signal parameter monitoring based on cpci bus that another embodiment of the present invention provides Journey schematic diagram；
Fig. 3 is a kind of method stream for FM signal parameter monitoring based on cpci bus that another embodiment of the present invention provides Journey schematic diagram；
Fig. 4 is a kind of method stream for FM signal parameter monitoring based on cpci bus that another embodiment of the present invention provides Journey schematic diagram；
Fig. 5 is that a kind of system architecture of FM signal parameter monitoring based on cpci bus provided in an embodiment of the present invention is shown It is intended to；
Fig. 6 is a kind of system knot for FM signal parameter monitoring based on cpci bus that another embodiment of the present invention provides Structure schematic diagram；
Fig. 7 is a kind of system knot for FM signal parameter monitoring based on cpci bus that another embodiment of the present invention provides Structure schematic diagram.
Embodiment
To make the object, technical solutions and advantages of the present invention of greater clarity, with reference to embodiment and join According to accompanying drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair Bright scope.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring this The concept of invention.
According to an aspect of the present invention, the embodiments of the invention provide a kind of FM signal parameter based on cpci bus The method of monitoring.
Referring to Fig. 1, Fig. 1 is a kind of FM signal parameter monitoring based on cpci bus provided in an embodiment of the present invention Method flow schematic diagram.
As shown in figure 1, this method includes:
Step 1：After programmable logic device receives reference clock signal, program configuration signal and bus command, to numeral Down conversion module sends collection signal；
Step 2：After Digital Down Converter Module receives collection signal, gathering and sending FM signal parameter monitoring can extremely compile Journey logic device；
Step 3：Programmable logic device sends FM signal parameter to cpci bus bridge module；
Step 4：FM signal parameter is entered row decoding by cpci bus bridge module, and is sent to cpci bus.
In the present embodiment, programmable logic device sends collection signal, Digital Down Converter Module to Digital Down Converter Module Signal acquisition is carried out according to collection signal, and the signal of collection is sent to programmable logic device, programmable logic device and will received To FM signal parameter be sent to cpci bus bridge module, so that cpci bus bridge module carries out FM signal parameter Decoding, and the FM signal parameter after decoding is sent to cpci bus.
It is understood that after the monitoring FM signal parameter being collected into, detection FM signal parameter is handled, It is mainly monitored and handled to modulation degree, to know failure present in broadcast or communication rapidly.It is preferred, therefore, that Ground, the FM signal parameter of acquisition are primarily referred to as modulation degree.
The technical scheme provided by the present embodiment, it is not necessary to set special tester coupled computer to be examined Survey, saved cost.And, it is also well known that the volume of equipment is big, the stability of a system and poor reliability, and is unfavorable for system It is integrated.So the technical scheme provided by the present embodiment, realizes integrated level height, the strong technology effect of reliability and stability Fruit.
A kind of referring to Fig. 2, FM signal parameter prison based on cpci bus that Fig. 2, which is another embodiment of the present invention, to be provided The method flow schematic diagram of survey.
As shown in Fig. 2 before step 1, this method also includes：
Step 11：After program configuration module receives the power supply signal of the first power module offer, to programmable logic device Transmission program configures signal；
Step 12：After clock module receives the power supply signal of second source module offer, sent to programmable logic device Reference clock signal；
Step 13：After cpci bus bridge module receives the data acquisition instructions of cpci bus transmission, patrolled to programmable Collect device and send bus command.
In the present embodiment, for example, cpci bus provides direct current 5V power supplys to the first power module, second source module is given Offer ± 12V power supplys, second source module provide linear DC 5V power supplys to clock module.First power module is by cpci bus Direct current 5V be converted to direct current 3.3V voltages, respectively to programmable logic device, program configuration module and cpci bus bridge module Power supply.
After program configuration module receives the power supply signal of the first power supply offer, configured to programmable logic device transmission program Signal.After clock module receives the power supply signal of second source offer, reference clock signal is sent to programmable logic device. After cpci bus bridge module receives the data acquisition instructions of cpci bus transmission, send bus to programmable logic device and refer to Order.
By the present embodiment provide technical scheme, the offer of power supply is provided so that programmable logic device receiving Collection signal is sent to Digital Down Converter Module after to bus command, so as to realize the acquisition of FM signal parameter.
A kind of referring to Fig. 3, FM signal parameter prison based on cpci bus that Fig. 3, which is another embodiment of the present invention, to be provided The method flow schematic diagram of survey.
As shown in figure 3, step 2 includes：
Step 21：After Digital Down Converter Module receives collection signal, the measurement data in AD conversion module is gathered；
Step 22：Measurement data is subjected to symbol Bits Expanding, and carries out digital mixing, down coversion, filtering extraction, frequency discrimination behaviour Make, measurement data is converted into FM signal parameter；
Step 23：FM signal parameter is sent to programmable logic device.
In the present embodiment, second source module provides linear DC 5V power supplys for AD conversion module.Digital Down Convert mould Block gathers the measurement data in AD conversion module after the collection signal of programmable logic device transmission is received.By measurement data Symbol Bits Expanding is carried out, and carries out digital mixing, down coversion, filtering extraction and frequency discrimination operation, measurement data is converted into tune Frequency signal parameter.
Specifically, 14BIT measurement data is output to Digital Down Converter Module by AD conversion module.Digital Down Converter Module 14BIT data are subjected to symbol Bits Expanding, and carry out digital mixing, down coversion, filtering extraction, frequency discrimination processing, are converted to 32BIT FM signal parameter, and 32BIT FM signal parameters are sent to programmable logic device.
The technical scheme provided by the present embodiment, realizes conversion of the measurement data to FM signal parameter, to realize Known in time according to FM signal parameter whether faulty in broadcast or communication.
A kind of referring to Fig. 4, FM signal parameter prison based on cpci bus that Fig. 4, which is another embodiment of the present invention, to be provided The method flow schematic diagram of survey.
As shown in figure 4, step 3 includes：
Step 31：FM signal parameter is sent to memory and cached by programmable logic device；
Step 32：Programmable logic device reads what is stored in the time interval according to default time interval from memory FM signal parameter；
Step 33：Programmable logic device sends the FM signal parameter stored in the time interval read to CPCI Bus bridge module.
In the present embodiment, FM signal parameter is sent to memory and cached by programmable logic device, every pre- The time interval first set, the FM signal parameter in the time interval memory storage is read from memory, by the time interval The FM signal parameter of memory storage is sent to cpci bus bridge module.
For example, every the time of one second, programmable logic device is carried out to the FM signal parameter of the caching in memory Read, it is to be understood that the FM signal parameter that now programmable logic device is read is owning in memory in one second FM signal parameter.Programmable logic device all sends all FM signal parameters of storage interior in this second to cpci bus Bridge module.
The technical scheme provided by the present embodiment, avoid the wave of resource when real-time FM signal parameter reads and sent Take, realize the technique effect that efficiently frequency modulation signal parameter is transmitted and analyzed.
Further, programmable logic device includes：Clock management module, Digital Down Convert interface module, memory interface Module, CPCI communication modules and data interaction module.
Specifically, before step 21, this method also includes：
Step 211：Initial data is inputted by bandpass filter, and bandpass filter is filtered to initial data；
Step 212：After AGC amplifier receives filtered initial data, filtered initial data is amplified Obtain the initial data after shaping；
Step 213：After AD conversion module receives the initial data after shaping, at the initial data after shaping Reason, obtains measurement data, and measurement data is sent to Digital Down Converter Module.
Specifically, bandpass filter is 10.7MHz bandpass filter.
According to another aspect of the present invention, the embodiments of the invention provide one kind corresponding with the above method to be based on CPCI The system of the FM signal parameter monitoring of bus.
Referring to Fig. 5, Fig. 5 is a kind of FM signal parameter monitoring based on cpci bus provided in an embodiment of the present invention System structure diagram.
As shown in figure 5, the system includes：Programmable logic device, Digital Down Converter Module, cpci bus bridge module, Cpci bus；Wherein,
Programmable logic device：After receiving reference clock signal, program configuration signal and bus command, under numeral Frequency-variable module sends collection signal；
Digital Down Converter Module：After receiving collection signal, gather and send FM signal parameter and patrolled to programmable Collect device；
Programmable logic device is additionally operable to：FM signal parameter is sent to cpci bus bridge module；
Cpci bus bridge module：For FM signal parameter to be entered into row decoding, and send to cpci bus.
Referring to Fig. 6, Fig. 6 is a kind of FM signal parameter monitoring based on cpci bus provided in an embodiment of the present invention System structure diagram.
As shown in fig. 6, the system also includes：Program configuration module, the first power module, clock module, second source mould Block；Wherein, program configuration module：After power supply signal for receiving the offer of the first power module, sent out to programmable logic device Program is sent to configure signal；
Clock module：After power supply signal for receiving the offer of second source module, base is sent to programmable logic device Clock signal；
Cpci bus bridge module is additionally operable to：After the data acquisition instructions for receiving cpci bus transmission, patrolled to programmable Collect device and send bus command.
More specifically, as shown in fig. 6, Digital Down Converter Module is specifically used for：After receiving collection signal, AD conversion is gathered Measurement data in module；
Measurement data is subjected to symbol Bits Expanding, and carries out digital mixing, down coversion, filtering extraction, frequency discrimination processing, conversion For FM signal parameter；
FM signal parameter is sent to programmable logic device.
More specifically, as shown in fig. 6, the system also includes：Memory；Wherein, programmable logic device is additionally operable to：By frequency modulation Signal parameter sends to memory and cached, and is read from memory according to default time interval and stored in the time interval FM signal parameter, the FM signal parameter read is sent to cpci bus bridge module.
As shown in Figure 6, it is preferable that the system also includes：Bandpass filter, AGC amplifier and AD conversion module；Wherein,
Bandpass filter：For will be filtered by the initial data of bandpass filter；
AGC amplifier：After receiving filtered initial data, filtered initial data is amplified to obtain Initial data after shaping；
AD conversion module：After receiving the initial data after shaping, the initial data after shaping is handled, obtained Sent to measurement data, and by measurement data to Digital Down Converter Module.
A kind of referring to Fig. 7, FM signal parameter prison based on cpci bus that Fig. 7, which is another embodiment of the present invention, to be provided The system structure diagram of survey.
As shown in fig. 7, programmable logic device includes：Clock management module, Digital Down Convert interface module, memory interface Module, CPCI communication modules and data interaction module.
Specifically, Clock management module：For receiving the reference clock signal of clock module transmission, and reference clock is believed Number it is respectively sent to Digital Down Convert interface module, memory interface module, CPCI communication modules and data interaction module.
Specifically, data interaction module：For respectively to Digital Down Convert interface module, memory interface module and CPCI Communication module sends control signal.
Specifically, Digital Down Convert interface module：After receiving control signal, send and adopt to Digital Down Converter Module Collect signal, be additionally operable to receive the FM signal parameter that Digital Down Converter Module is sent, and FM signal parameter is sent to data Interactive module.
Specifically, memory interface module：After receiving control signal, frequency modulation letter is read from data interaction module Number parameter, and FM signal parameter is sent to memory, it is additionally operable to be read from memory according to default time interval The FM signal parameter of time interval memory storage, and the FM signal parameter stored in the time interval is sent to data interaction Module.
Specifically, CPCI communication modules：After receiving control signal, the bus for receiving cpci bus bridge module refers to Order, and bus command is sent to data interaction module, the FM signal parameter that data interaction module is sent is received, and to frequency modulation Signal parameter enters row decoding, and the FM signal parameter after decoding is sent to cpci bus bridge module.
After the present invention receives reference clock signal by programmable logic device, program configures signal and bus command, to Digital Down Converter Module sends collection signal；After Digital Down Converter Module receives collection signal, gather and send FM signal Parameter is to programmable logic device；Programmable logic device sends FM signal parameter to cpci bus bridge module；Cpci bus FM signal parameter is entered row decoding by bridge module, and is sent to the technical scheme of cpci bus, and it is big to avoid equipment volume, intelligence Energy degree is not high, the technical problem of system reliability difference, realizes integrated level height, cost-effective, highly reliable technique effect.
It should be appreciated that the above-mentioned embodiment of the present invention is used only for exemplary illustration or explains the present invention's Principle, without being construed as limiting the invention.Therefore, that is done without departing from the spirit and scope of the present invention is any Modification, equivalent substitution, improvement etc., should be included in the scope of the protection.In addition, appended claims purport of the present invention Covering the whole changes fallen into scope and border or this scope and the equivalents on border and repairing Change example.

Claims (10)

  1. A kind of 1. method of the FM signal parameter monitoring based on cpci bus, it is characterised in that methods described includes：
    Step 1：Programmable logic device receive reference clock signal, program configuration signal and bus command after, to numeral under become Frequency module sends collection signal；
    Step 2：After the Digital Down Converter Module receives the collection signal, gather and send FM signal parameter to described Programmable logic device；
    Step 3：The programmable logic device sends the FM signal parameter to cpci bus bridge module；
    Step 4：The FM signal parameter is entered row decoding by the cpci bus bridge module, and is sent total to the CPCI Line.
  2. A kind of 2. method of FM signal parameter monitoring based on cpci bus according to claim 1, it is characterised in that Before the step 1, methods described also includes：
    Step 11：After program configuration module receives the power supply signal of the first power module offer, to the programmable logic device Send described program configuration signal；
    Step 12：After clock module receives the power supply signal of second source module offer, sent to the programmable logic device The reference clock signal；
    Step 13：After the cpci bus bridge module receives the data acquisition instructions that the cpci bus is sent, to described Programmable logic device sends the bus command.
  3. 3. a kind of method of FM signal parameter monitoring based on cpci bus according to claim 1 or 2, its feature exist In the step 2 includes：
    Step 21：After the Digital Down Converter Module receives the collection signal, the measurement data in AD conversion module is gathered；
    Step 22：The measurement data is subjected to symbol Bits Expanding, digital mixing, down coversion, filtering extraction and frequency discrimination operation, with The measurement data is converted into the FM signal parameter；
    Step 23：The FM signal parameter is sent to the programmable logic device.
  4. 4. a kind of method of FM signal parameter monitoring based on cpci bus according to claim 1 or 2, its feature exist In the step 3 includes：
    Step 31：The FM signal parameter is sent to memory and cached by the programmable logic device；
    Step 32：The programmable logic device is read in the time interval according to default time interval from the memory The FM signal parameter of memory storage；
    Step 33：The programmable logic device sends out the FM signal parameter in the time interval memory storage read Deliver to the cpci bus bridge module.
  5. A kind of 5. method of FM signal parameter monitoring based on cpci bus according to claim 1, it is characterised in that
    The programmable logic device includes：Clock management module, Digital Down Convert interface module, memory interface module, CPCI Communication module and data interaction module.
  6. 6. a kind of system of the FM signal parameter monitoring based on cpci bus, it is characterised in that the system includes：It is programmable Logic device, Digital Down Converter Module, cpci bus bridge module, cpci bus；Wherein,
    The programmable logic device：After receiving reference clock signal, program configuration signal and bus command, to the number Word down conversion module sends collection signal；
    The Digital Down Converter Module：After receiving the collection signal, gather and send FM signal parameter to described Programmable logic device；
    The programmable logic device is additionally operable to：The FM signal parameter is sent to the cpci bus bridge module；
    The cpci bus bridge module：For the FM signal parameter to be entered into row decoding, and send to the cpci bus.
  7. A kind of 7. system of FM signal parameter monitoring based on cpci bus according to claim 6, it is characterised in that The system also includes：Program configuration module, the first power module, clock module, second source module；Wherein,
    Described program configuration module：After the power supply signal provided for receiving first power module, it may be programmed to described Logic device sends described program configuration signal；
    The clock module：After the power supply signal provided for receiving the second source module, to the FPGA Device sends the reference clock signal；
    The cpci bus bridge module is additionally operable to：After receiving the data acquisition instructions that the cpci bus is sent, to described Programmable logic device sends the bus command.
  8. A kind of 8. system based on cpci bus FM signal parameter monitoring according to claim 7, it is characterised in that institute Stating system also includes：Memory；Wherein,
    The programmable logic device is additionally operable to：The FM signal parameter is sent to the memory and cached, according to pre- If time interval the FM signal parameter in the time interval memory storage is read from the memory, will read The FM signal parameter send to the cpci bus bridge module.
  9. A kind of 9. system based on cpci bus FM signal parameter monitoring according to claim 8, it is characterised in that institute Stating programmable logic device includes：Clock management module, Digital Down Convert interface module, memory interface module, CPCI communication moulds Block and data interaction module；Wherein,
    The Clock management module：The reference clock signal sent for receiving the clock module, and by the benchmark Clock signal is respectively sent to the Digital Down Convert interface module, the memory interface module, the CPCI communication modules With the data interaction module；
    The data interaction module：For leading to respectively to Digital Down Convert interface module, memory interface module and the CPCI Believe that module sends control signal；
    The Digital Down Convert interface module：After receiving the control signal, sent to the Digital Down Converter Module The collection signal, the FM signal parameter that the Digital Down Converter Module is sent is received, and the FM signal is joined Number is sent to the data interaction module；
    The memory interface module：After receiving the control signal, from the data interaction module described in reading FM signal parameter, and the FM signal parameter is sent to the memory, deposited according to default time interval from described The FM signal parameter in the time interval memory storage is read in reservoir, and by the institute of the time interval memory storage FM signal parameter is stated to send to the data interaction module；
    The CPCI communication modules：After receiving the control signal, the bus of the cpci bus bridge module is received Instruction, and the bus command is sent to the data interaction module, receive the tune that the data interaction module is sent Frequency signal parameter, and row decoding is entered to the FM signal parameter, the FM signal parameter after decoding is sent to the CPCI Bus bridge module.
  10. 10. a kind of system based on cpci bus FM signal parameter monitoring according to any one of claim 6-9, its It is characterised by, the Digital Down Converter Module is specifically used for：
    After receiving the collection signal, the measurement data in AD conversion module is gathered；
    The measurement data is subjected to symbol Bits Expanding, digital mixing, down coversion, filtering extraction and frequency discrimination operation, is converted to institute State FM signal parameter；
    The FM signal parameter is sent to the programmable logic device.
CN201710532426.5A 2017-07-03 2017-07-03 CPCI bus-based frequency modulation signal parameter monitoring method and system Active CN107465430B (en)

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