Recording system based on large-capacity data storage and compression

Abstract

The invention provides a recording system based on large-capacity data storage and compression, and belongs to the technical field of computer system design, and the recording system comprises a data management module which is used for collecting image data of a hyperspectral sensor and long-wave and medium-wave infrared image data of a multispectral sensor, and transmitting the data to a data storage module; the method comprises the following steps: receiving a control instruction, determining the working state of the device as a real-time downloading state or a retrieval downloading state, compressing related image data in real time according to a related instruction and sending the compressed data when the device is in the real-time downloading state, and accessing a data management module according to the received retrieval downloading instruction content when the device is in the retrieval downloading state. Reading corresponding data, performing image compression, and sending after the image compression is completed; the data storage module is used for storing the data acquired by the data management module; and the power supply module is used for supplying power to each module. According to the scheme of the invention, the system can process the data of the imager.

Description

Technical Field

[0001] The present application relates to the technical field of computer system design, and in particular to a recording system based on large-capacity data storage compression. Background Art

[0002] Traditional recording equipment can only collect, compress, and record standard data formats, and cannot meet the processing requirements of stratospheric airship imager data.

[0003] Therefore, it is of great significance to design recording equipment that meets the data processing needs of imagers. Summary of the invention

[0004] In view of this, an embodiment of the present application provides a recording system based on large-capacity data storage compression to meet the imager data processing requirements.

[0005] The embodiment of the present application provides a recording system based on large-capacity data storage compression, the system comprising a data management module, a data storage module and a power supply module;

[0006] The data management module is used for collecting image data of the hyperspectral sensor and long-wave and medium-wave infrared image data of the multispectral sensor, and sending the collected data to the data storage module; receiving relevant control instructions, determining its own working state as a real-time download state or a retrieval download state, when in the real-time download state, the data management module compresses the relevant image data in real time according to the relevant instructions, and sends the compressed data; when in the retrieval download state, the data management module will read out the corresponding data according to the received retrieval download instruction content, by accessing the data management module, and perform image compression, and send it after the compression is completed;

[0007] The data storage module is used to store the data collected by the data management module;

[0008] The power supply module is used to supply power to the data management module and the data storage module.

[0009] According to a specific implementation of the embodiment of the present application, the data management module includes an FPGA unit, a clock unit, a first reset unit, an interface unit, a power supply unit and a physical support unit;

[0010] The FPGA unit is used for data collection, receiving relevant control instructions, determining its own working state, and performing data processing corresponding to the working state;

[0011] The clock unit is used to provide a clock frequency source required by the data management module;

[0012] The first reset unit is used to provide a watchdog function for the module;

[0013] The interface unit is used to provide various bus interface functions required by the data management module;

[0014] The power supply unit is used to provide power required by the data management module;

[0015] The physical support unit is used to provide various power supply and signal connections for the data management module through a connector.

[0016] According to a specific implementation method of an embodiment of the present application, the interface unit includes an RS422 interface, an ARINC818 interface, an Ethernet interface and a SATA bus interface. The data management module receives relevant control instructions through the RS422 interface to determine its own working status. The data management module receives the long-wave and medium-wave infrared image data of the multispectral sensor through the ARI NC818 interface. The data management module receives the image data of the hyperspectral sensor through the Ethernet interface. The received data is all stored in the data storage module through the SATA bus interface.

[0017] According to a specific implementation method of an embodiment of the present application, the interface unit also includes an SRIO interface and a synchronous 422 interface. In the real-time downlink state or the retrieval downlink state, the compressed data is sent to the transmission component in real time through the SRIO interface, or the compressed data is sent to the onboard link through the RS422 interface or the synchronous 422 interface.

[0018] According to a specific implementation of the embodiment of the present application, the data storage module includes a storage unit, a power supply unit, a second reset unit, a debugging and testing unit, and a physical connection unit;

[0019] The storage unit is used to store the data collected by the data management module;

[0020] The power supply unit is used to provide working power to each functional unit circuit in the data storage module;

[0021] The second reset unit is used to perform power-on reset and link communication reset on the data storage module;

[0022] The debugging and testing unit is used to provide the JTAG and serial port interface circuits required for debugging the data storage module;

[0023] The physical connection unit is used to provide an external interface and a working power supply for the data storage module.

[0024] According to a specific implementation of the embodiment of the present application, the storage unit adopts Nand Flash storage medium.

[0025] According to a specific implementation of an embodiment of the present application, the power module is configured as a 3U standard field replaceable unit.

[0026] According to a specific implementation method of the embodiment of the present application, the FPGA unit instantiates an MB soft-core processor internally, and instantiates an H.264IP to implement an H.264 video compression function or instantiates a JPEG2K-E IP to implement a JPEG2000 compression function according to demand.

[0027] According to a specific implementation method of an embodiment of the present application, the FPGA unit is configured with an SRIO interface, a PCIe interface and a SATA interface.

[0028] Beneficial effects:

[0029] The recording system based on large-capacity data storage and compression in the embodiment of the present application is designed with a dedicated payload data processing circuit for the large-field staring scanning infrared multi-spectral imager (referred to as the imager) of the stratospheric airship payload on the basis of the traditional recording equipment, which is used to complete the imager data collection, compression and storage requirements. The present application combines the characteristics of the imager data and the circuit design required for the downlink data, and meets the system imager data processing requirements through the architecture design of the data management module, data storage module and power module in the component. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0031] Figure 1 A circuit framework diagram of a recording system based on large-capacity data storage compression according to an embodiment of the present invention;

[0032] Figure 2 A circuit framework diagram of a data management module according to an embodiment of the present invention;

[0033] Figure 3 FIG. 4 is a circuit framework diagram of a data storage module according to an embodiment of the present invention. DETAILED DESCRIPTION

[0034] The embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0035] The following describes the implementation methods of the present application through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The present application can also be implemented or applied through other different specific implementation methods, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, in the absence of conflict, the following embodiments and the features in the embodiments can be combined with each other. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without making creative work belong to the scope of protection of the present application.

[0036] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on the present application, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number of aspects described herein can be used to implement the device and / or practice the method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this device and / or practice this method.

[0037] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application. The illustrations only show the components related to the present application rather than being drawn according to the number, shape and size of the components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed at will, and the component layout may also be more complicated.

[0038] Additionally, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects described may be practiced without these specific details.

[0039] The present application embodiment provides a recording system based on large-capacity data storage compression, as shown below Figures 1 to 3 Describe in detail.

[0040] Reference Figure 1 , the recording system based on large-capacity data storage compression in this embodiment includes a data management module, a data storage module and a power supply module;

[0041] The data management module is used for collecting image data of the hyperspectral sensor and long-wave and medium-wave infrared image data of the multispectral sensor, and sending the collected data to the data storage module; receiving relevant control instructions, determining its own working state as a real-time download state or a retrieval download state, when in the real-time download state, the data management module compresses the relevant image data in real time according to the relevant instructions, and sends the compressed data; when in the retrieval download state, the data management module will read out the corresponding data according to the received retrieval download instruction content, by accessing the data management module, and perform image compression, and send it after the compression is completed;

[0042] The data storage module is used to store the data collected by the data management module;

[0043] The power supply module is used to supply power to the data management module and the data storage module.

[0044] The system in this embodiment is based on the traditional recording equipment, and a dedicated payload data processing circuit is designed for the stratospheric airship payload large field staring scanning infrared multi-spectral imager (referred to as imager) to complete the imager data collection, compression and storage requirements. In this embodiment, the circuit design is combined with the imager data characteristics and the downlink data requirements, and the system data processing requirements are met through the architecture design of the data management module, data storage module and power module in the component.

[0045] Further, see Figure 2 , the data management module includes an FPGA unit, a clock unit, a first reset unit, an interface unit, a power supply unit and a physical support unit;

[0046] The FPGA unit is used for data collection, receiving relevant control instructions, determining its own working state, and performing data processing corresponding to the working state;

[0047] The clock unit is used to provide a clock frequency source required by the data management module;

[0048] The first reset unit is used to provide a watchdog function for the module;

[0049] The interface unit is used to provide various bus interface functions required by the data management module;

[0050] The power supply unit is used to provide power required by the data management module;

[0051] The physical support unit is used to provide various power supply and signal connections for the data management module through a connector.

[0052] The data management module in this embodiment includes an FPGA unit, a clock unit, a reset unit, an interface unit, a power supply unit, and a physical support unit. The FPGA serves as the core of the module, and an MB soft-core processor is instantiated internally. According to the needs, the H.264IP is instantiated to implement the H.264 video compression function or the JPEG2K-E IP is instantiated to implement the JPEG2000 compression function. The high-speed interface can be configured to implement the SRIO interface, and the PCI e interface and the SATA interface can realize the corresponding functions.

[0053] Furthermore, the interface unit includes an RS422 interface, an ARI NC818 interface, an Ethernet interface and a SATA bus interface. The data management module receives relevant control instructions through the RS422 interface to determine its own working status. The data management module receives the long-wave and medium-wave infrared image data of the multispectral sensor through the ARI NC818 interface. The data management module receives the image data of the hyperspectral sensor through the Ethernet interface. The received data is all stored in the data storage module through the SATA bus interface.

[0054] Furthermore, the interface unit also includes an SRIO interface and a synchronous 422 interface. In the real-time download state or the retrieval download state, the compressed data is sent to the transmission component in real time through the SRIO interface, or the compressed data is sent to the onboard link through the RS422 interface or the synchronous 422 interface.

[0055] In this embodiment, the data management module receives relevant control instructions through the RS422 interface and determines its own working state: real-time download state or retrieval download state. The data management module receives long-wave and medium-wave infrared image data from the multispectral sensor through 2 ARI NC818 interfaces, and receives image data from the hyperspectral sensor through 1 Ethernet, and stores all the data together in the data storage module through the SATA bus. In the real-time download state, the data management module compresses the relevant image data in real time according to the relevant instructions, and sends the compressed data to the transmission component through the SRIO interface in real time, or sends it to the onboard link through the RS422 interface or the synchronous 422 interface. In the retrieval download state, the data management module will read the corresponding data according to the received retrieval download instruction content, and perform image compression after accessing the data management module. After completion, it will be sent to the transmission component through the SRIO interface, or sent to the onboard link through the RS422 interface or the synchronous 422 interface.

[0056] The system in the embodiment of the present application can meet the data storage needs of the imager, and has the functions of collecting and recording medium-wave infrared multispectral, long-wave infrared multispectral and hyperspectral data; meet the data compression needs of the imager, and have the function of selecting one channel of medium-wave infrared multispectral or long-wave infrared multispectral data for real-time compression and downlink; meet the data compression needs of the imager, and have the function of retrieving and compressing the medium-wave infrared multispectral or long-wave infrared multispectral data stored in the data storage module and then downlinking it; meet the data playback needs of the imager, and have the function of quickly unloading the data storage module and then playing back the data on the ground equipment.

[0057] In one embodiment, referring to Figure 3 ,The data storage module includes a storage unit, a power supply unit, a second reset unit, a debugging and testing unit and a physical connection unit;

[0058] The storage unit is used to store the data collected by the data management module;

[0059] The power supply unit is used to provide working power to each functional unit circuit in the data storage module;

[0060] The second reset unit is used to perform power-on reset and link communication reset on the data storage module to ensure that the module can be reset in an abnormal situation;

[0061] The debugging and testing unit is used to provide the JTAG and serial port interface circuits required for debugging the data storage module;

[0062] The physical connection unit is used to provide an external interface and a working power supply for the data storage module.

[0063] Furthermore, the storage unit adopts Nand Flash storage medium for data storage and protection, including effective storage records of 2-way video and bus data, ensuring that the stored data is not lost in the event of an abnormal power outage, supporting continuous operation after power outage, and not affecting the normal storage function after the next power-on, thereby protecting the integrity and validity of the data.

[0064] Furthermore, the power module is configured as a 3U standard field replaceable unit. The power module is a power conversion module of the recording compression system, and is a 3U standard field replaceable unit (SRU). The power module receives the DC 28V power input from the machine, and after voltage conversion, provides two stable DC power supplies of +5V and +3.3V for each SRU inside the recording compression component.

[0065] Furthermore, the FPGA unit instantiates an MB soft-core processor internally, and instantiates an H.264 IP to implement an H.264 video compression function or instantiates a JPEG2K-E IP to implement a JPEG2000 compression function according to requirements.

[0066] The embodiment provided by the present invention, based on the traditional recording equipment, designs a dedicated payload data processing circuit for the stratospheric airship payload large field staring scanning infrared multi-spectral imager, which is used to complete the imager data collection, compression and storage requirements. This application mainly combines the imager data characteristics and the downlink data requirements circuit design, and completes the system requirements through the data management module, data storage module and power module in the component.

[0067] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A recording system based on large-capacity data storage compression, characterized in that: The system includes a data management module, a data storage module and a power supply module; The data management module is used for collecting image data of the hyperspectral sensor and long-wave and medium-wave infrared image data of the multispectral sensor, and sending the collected data to the data storage module; receiving relevant control instructions, determining its own working state as a real-time download state or a retrieval download state, when in the real-time download state, the data management module compresses the relevant image data in real time according to the relevant instructions, and sends the compressed data; when in the retrieval download state, the data management module will read out the corresponding data according to the received retrieval download instruction content, by accessing the data management module, and perform image compression, and send it after the compression is completed; The data storage module is used to store the data collected by the data management module; The power supply module is used to supply power to the data management module and the data storage module.

2. The recording system based on large-capacity data storage compression according to claim 1 is characterized in that: The data management module includes an FPGA unit, a clock unit, a first reset unit, an interface unit, a power supply unit and a physical support unit; The FPGA unit is used for data collection, receiving relevant control instructions, determining its own working state, and performing data processing corresponding to the working state; The clock unit is used to provide a clock frequency source required by the data management module; The first reset unit is used to provide a watchdog function for the module; The interface unit is used to provide various bus interface functions required by the data management module; The power supply unit is used to provide power required by the data management module; The physical support unit is used to provide various power supply and signal connections for the data management module through a connector.

3. The recording system based on large-capacity data storage compression according to claim 2 is characterized in that: The interface unit includes an RS422 interface, an ARINC818 interface, an Ethernet interface and a SATA bus interface. The data management module receives relevant control instructions through the RS422 interface to determine its own working status. The data management module receives the long-wave and medium-wave infrared image data of the multispectral sensor through the ARINC818 interface. The data management module receives the image data of the hyperspectral sensor through the Ethernet interface. The received data is all stored in the data storage module through the SATA bus interface.

4. The recording system based on large-capacity data storage compression according to claim 3 is characterized in that: The interface unit also includes an SRIO interface and a synchronous 422 interface. In the real-time downlink state or the retrieval downlink state, the compressed data is sent to the transmission component in real time through the SRIO interface, or the compressed data is sent to the onboard link through the RS422 interface or the synchronous 422 interface.

5. The recording system based on large-capacity data storage compression according to claim 1 is characterized in that: The data storage module includes a storage unit, a power supply unit, a second reset unit, a debugging and testing unit and a physical connection unit; The storage unit is used to store the data collected by the data management module; The power supply unit is used to provide working power to each functional unit circuit in the data storage module; The second reset unit is used to perform power-on reset and link communication reset on the data storage module; The debugging and testing unit is used to provide the JTAG and serial port interface circuits required for debugging the data storage module; The physical connection unit is used to provide an external interface and a working power supply for the data storage module.

6. The recording system based on large-capacity data storage compression according to claim 5 is characterized in that: The storage unit uses Nand Flash storage medium.

7. The recording system based on large-capacity data storage compression according to claim 1 is characterized in that: The power supply module is configured as a 3U standard field replaceable unit.

8. The recording system based on large-capacity data storage compression according to claim 2 is characterized in that: The FPGA unit instantiates an MB soft-core processor internally, and instantiates an H.264 IP to implement an H.264 video compression function or instantiates a JPEG2K-E IP to implement a JPEG2000 compression function according to requirements.

9. The recording system based on large-capacity data storage compression according to claim 8, characterized in that: The FPGA unit is configured with an SRIO interface, a PCIe interface and a SATA interface.

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