CN104618040B - Data transmission module and method based on load ground detector - Google Patents
Data transmission module and method based on load ground detector Download PDFInfo
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- CN104618040B CN104618040B CN201410704576.6A CN201410704576A CN104618040B CN 104618040 B CN104618040 B CN 104618040B CN 201410704576 A CN201410704576 A CN 201410704576A CN 104618040 B CN104618040 B CN 104618040B
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Abstract
The invention discloses a data transmission module based on a load ground detector. The data transmission module based on the load ground detector comprises a LVDS (Low Voltage Differential Signaling) data receiving circuit, a pulse per second receiving and transmitting circuit, an OC instruction output circuit, a first storing device, a second storing device and a processor; the LVDS data receiving circuit, pulse per second receiving and transmitting circuit, the OS instruction output circuit, the first storing device and the second storing device are respectively connected with the processor. The data transmission method comprises the steps of analyzing a control instruction and configuring a LVDS receiving channel; processing the LVDS input data by first-stage cache; sending the LVDS input data to a second-stage cache; outputting the LVDS data through the PCIe. With the adoption of the module and method, the data can be reliably received and transmitted to the outside, the RS422 level conversion and the OC instruction output and other functions are achieved.
Description
Technical field
The present invention relates to a kind of digital transmission module and number transmission method based on load ground detector.
Background technology
Satellite communication refers to by the use of artificial earth satellite and forwards as relay station or reflect radio signal, at two or many
The communication carried out between individual earth station.Satellite communication system includes satellite and earth station two parts, and satellite plays in the air relay station
Effect, earth station is then the interface of satellite system and ground public network, and terrestrial user is come in and gone out satellite system shape by earth station
Into link.
Satellite Communications Payload is divided into two subsystems, i.e. transponder subsystem and antenna subsystem.Transponder is to defend
Star is launched and the link device between reception antenna, is the maincenter for constituting satellite communication, and it is responsible for amplification, forwarding and the place of signal
Reason, each transponder can simultaneously receive and forward multiple signals, the power that can be provided when each transponder and the timing of bandwidth one,
Transponder is more, and satellite communication capacity is bigger；And antenna is then the import and export of radio wave, it is responsible for the reception of electromagnetic wave and sends out
Send.
Satellite ground load detector is used to be tested in the face of the load of satellite on ground, and its digital transmission module is used to realize number
According to reception and unofficial biography.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of number based on load ground detector passes mould
Block and number transmission method, are capable of achieving the reliable reception and unofficial biography of data, and the function such as RS422 level conversion and OC instruction outputs.
The purpose of the present invention is achieved through the following technical solutions：A kind of number based on load ground detector passes mould
Block, it includes LVDS data receiver circuits, pulse per second (PPS) transmission circuit, OC instruction output circuits, first memory, second memory
And processor, LVDS data receiver circuits, pulse per second (PPS) transmission circuit, OC instruction output circuits, first memory and the second storage
Device is connected respectively with processor.
Described LVDS data receiver circuits include multichannel LVDS data path, and described LVDS data paths are by being input into electricity
Road and protection circuit are constituted, and load data is input to LVDS data input circuits, LVDS data inputs electricity by the first adapter
The output on road is connected with protection circuit, and the output of protection circuit is connected with processor.
Described pulse per second (PPS) transmission circuit includes Transistor-Transistor Logic level input circuit, Transistor-Transistor Logic level output circuit, RS422 output electricity
Road, RS422 drive circuits and level shifting circuit, signal is input to level shifting circuit, level conversion by TTL input circuits
The output all the way of circuit is connected with Transistor-Transistor Logic level output circuit, and the output of another road is connected with processor, the output all the way of processor and
RS422 drive circuits connect, and the output of RS422 drive circuits is connected with RS422 output circuits, and signal is by RS422 output electricity
Road is exported to the second adapter.
Described OC instruction output circuits include OC drive circuits and OC instruction output interface circuits, another road of processor
Output is connected with the input of OC drive circuits, and the output of OC drive circuits is connected with OC instruction output interface circuits, and OC instructions are logical
OC instruction output interface circuit outputs are crossed to the second adapter, OC represents that output is compared.
Described LVDS data receiver circuits include two-way LVDS data paths, possess A and B two per road LVDS data paths
Select to receive A channel or channel B data when individual mutually redundant passage, A channel and channel B have data input simultaneously.
The A channel and channel B support 1/4/8 pair of LVDS data transfer.
Described OC instruction output circuit outputs lotus OC instructions road-load not less than 16.
The OC instructions of described OC instruction output circuit outputs show as impulse form, and low level conducting is effective.
The first described adapter is HJ30J adapters, and the second described adapter is J30J adapters.One kind is based on load
Several transmission methods of the digital transmission module of lotus ground detector, it is comprised the following steps：
S1. processor completes the parsing of control command and the configuration of LVDS receiving channels；
S2. LVDS data receiver circuits receive the LVDS data of outside input, and LVDS data are sent to into level cache；
S3. LVDS data are sent to L2 cache by processor control level cache；
S4. by PCIe buses, by LVDS data, in real time external equipment is arrived in output to processor control L2 cache.
The invention has the beneficial effects as follows：
The present invention is capable of achieving reception, framing, shunting, caching and the transmission storage of LVDS data, and RS422 level conversion
The functions such as output are instructed with OC.
Description of the drawings
Fig. 1 is the theory diagram of the present invention；
Fig. 2 is method of the present invention flow chart.
Specific embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to
Described below.
As shown in figure 1, a kind of digital transmission module based on load ground detector, it includes LVDS data receiver circuits, second
Pulse transmission circuit, OC instruction output circuits, first memory, second memory and processor, LVDS data receiver circuits, second
Pulse transmission circuit, OC instruction output circuits, first memory and second memory are connected respectively with processor.
Described LVDS data receiver circuits include multichannel LVDS data path, and described LVDS data paths are by being input into electricity
Road and protection circuit are constituted, and load data is input to LVDS data input circuits, LVDS data inputs electricity by the first adapter
The output on road is connected with protection circuit, and the output of protection circuit is connected with processor.
Described pulse per second (PPS) transmission circuit includes Transistor-Transistor Logic level input circuit, Transistor-Transistor Logic level output circuit, RS422 output electricity
Road, RS422 drive circuits and level shifting circuit, signal is input to level shifting circuit, level conversion by TTL input circuits
The output all the way of circuit is connected with Transistor-Transistor Logic level output circuit, and the output of another road is connected with processor, the output all the way of processor and
RS422 drive circuits connect, and the output of RS422 drive circuits is connected with RS422 output circuits, and signal is by RS422 output electricity
Road is exported to the second adapter.
Described OC instruction output circuits include OC drive circuits and OC instruction output interface circuits, another road of processor
Output is connected with the input of OC drive circuits, and the output of OC drive circuits is connected with OC instruction output interface circuits, and OC instructions are logical
OC instruction output interface circuit outputs are crossed to the second adapter, OC represents that output is compared.
Described LVDS data receiver circuits include two-way LVDS data paths, possess A and B two per road LVDS data paths
Select to receive A channel or channel B data when individual mutually redundant passage, A channel and channel B have data input simultaneously.
The A channel and channel B support 1/4/8 pair of LVDS data transfer.
Described OC instruction output circuit outputs lotus OC instructions road-load not less than 16.
The OC instructions of described OC instruction output circuit outputs show as impulse form, and low level conducting is effective.
The first described adapter is HJ30J adapters, and the second described adapter is J30J adapters.
As shown in Fig. 2 a kind of several transmission methods of the digital transmission module based on load ground detector, it is comprised the following steps：
S1. processor completes the parsing of control command and the configuration of LVDS receiving channels；
S2. LVDS data receiver circuits receive the LVDS data of outside input, and LVDS data are sent to into level cache；
S3. LVDS data are sent to L2 cache by processor control level cache；
S4. by PCIe buses, by LVDS data, in real time external equipment is arrived in output to processor control L2 cache.
Claims (7)
1. a kind of digital transmission module based on load ground detector, it is characterised in that：It includes LVDS data receiver circuits, second arteries and veins
Rush transmission circuit, OC instruction output circuits, first memory, second memory and processor, LVDS data receiver circuits, second arteries and veins
Rush transmission circuit, OC instruction output circuits, first memory and second memory to be connected with processor respectively；
Described LVDS data receiver circuits include multichannel LVDS data path, described LVDS data paths by input circuit and
Protection circuit is constituted, and load data is input to LVDS data input circuits by the first adapter, LVDS data input circuits
Output is connected with protection circuit, and the output of protection circuit is connected with processor；
Described pulse per second (PPS) transmission circuit include Transistor-Transistor Logic level input circuit, Transistor-Transistor Logic level output circuit, RS422 output circuits,
RS422 drive circuits and level shifting circuit, signal is input to level shifting circuit, level conversion electricity by TTL input circuits
The output all the way on road is connected with Transistor-Transistor Logic level output circuit, and the output of another road is connected with processor, the output all the way of processor and
RS422 drive circuits connect, and the output of RS422 drive circuits is connected with RS422 output circuits, and signal is by RS422 output electricity
Road is exported to the second adapter；
Described OC instruction output circuits include OC drive circuits and OC instruction output interface circuits, another road output of processor
It is connected with the input of OC drive circuits, the output of OC drive circuits is connected with OC instruction output interface circuits, and OC instructions pass through OC
To the second adapter, OC represents that output is compared for instruction output interface circuit output.
2. a kind of digital transmission module based on load ground detector according to claim 1, it is characterised in that：Described
LVDS data receiver circuits include two-way LVDS data paths, possess A and B two per road LVDS data paths mutually redundant logical
Select to receive A channel or channel B data when road, A channel and channel B have data input simultaneously.
3. a kind of digital transmission module based on load ground detector according to claim 2, it is characterised in that：The A leads to
Road and channel B support 1/4/8 pair of LVDS data transfer.
4. a kind of digital transmission module based on load ground detector according to claim 1, it is characterised in that：Described OC
Instruction output circuit output lotus OC instructions road-load not less than 16.
5. a kind of digital transmission module based on load ground detector according to claim 1, it is characterised in that：Described OC
The OC instructions of instruction output circuit output show as impulse form, and low level conducting is effective.
6. a kind of digital transmission module based on load ground detector according to claim 1, it is characterised in that：Described
A connector is HJ30J adapters, and the second described adapter is J30J adapters.
7. a kind of several transmission methods of the digital transmission module based on load ground detector, it is characterised in that it is comprised the following steps：
S1. processor completes the parsing of control command and the configuration of LVDS receiving channels；
S2. LVDS data receiver circuits receive the LVDS data of outside input, and LVDS data are sent to into level cache；
S3. LVDS data are sent to L2 cache by processor control level cache；
S4. by PCIe buses, by LVDS data, in real time external equipment is arrived in output to processor control L2 cache.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410704576.6A CN104618040B (en) | 2014-11-28 | 2014-11-28 | Data transmission module and method based on load ground detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410704576.6A CN104618040B (en) | 2014-11-28 | 2014-11-28 | Data transmission module and method based on load ground detector |
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| Publication Number | Publication Date |
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| CN104618040A CN104618040A (en) | 2015-05-13 |
| CN104618040B true CN104618040B (en) | 2017-05-10 |
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| CN201410704576.6A Active CN104618040B (en) | 2014-11-28 | 2014-11-28 | Data transmission module and method based on load ground detector |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104393941B (en) * | 2014-11-28 | 2016-08-31 | 成都龙腾中远信息技术有限公司 | A kind of several transmitting/receiving modules based on load ground detector |
| CN112948167B (en) * | 2021-03-31 | 2022-10-18 | 地平线征程(杭州)人工智能科技有限公司 | Protection circuit, method, device and computer readable storage medium for data path |
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| KR20010009119A (en) * | 1999-07-07 | 2001-02-05 | 김영환 | Method for preventing down of network management system in paging satellite communic ation systm |
| KR20010095556A (en) * | 2000-04-11 | 2001-11-07 | 이광섭 | Fail control system for wireless repeater |
| CN101488796A (en) * | 2009-02-24 | 2009-07-22 | 航天东方红卫星有限公司 | Payload management system and method for satellite |
| CN102932261A (en) * | 2012-11-20 | 2013-02-13 | 航天东方红卫星有限公司 | Management system for payload information of satellite based on intelligent high-speed router |
| CN103117797A (en) * | 2013-02-27 | 2013-05-22 | 哈尔滨工业大学 | High-speed load data analog source |
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2014
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010009119A (en) * | 1999-07-07 | 2001-02-05 | 김영환 | Method for preventing down of network management system in paging satellite communic ation systm |
| KR20010095556A (en) * | 2000-04-11 | 2001-11-07 | 이광섭 | Fail control system for wireless repeater |
| CN101488796A (en) * | 2009-02-24 | 2009-07-22 | 航天东方红卫星有限公司 | Payload management system and method for satellite |
| CN102932261A (en) * | 2012-11-20 | 2013-02-13 | 航天东方红卫星有限公司 | Management system for payload information of satellite based on intelligent high-speed router |
| CN103117797A (en) * | 2013-02-27 | 2013-05-22 | 哈尔滨工业大学 | High-speed load data analog source |
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| Title |
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| 多载荷卫星高速信息处理技术研究;史琴等;《上海航天》;20031225(第06期);第15-19页 * |
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Inventor after: Xu Chuang Inventor after: Hong Yongxin Inventor before: Long Ning Inventor before: Zhang Xingxing |
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Effective date of registration: 20170413 Address after: Whampoa fengle North District of Guangzhou City, Guangdong province 510700 398 No. 215 (only for office use) Applicant after: GUANGZHOU BLADE INTELLIGENT TECHNOLOGY CO., LTD. Address before: High tech Zone Tianchen road Chengdu City, Sichuan province 610000 No. 88 Applicant before: Chengdu Longteng Zhongyuan Information Technology Co., Ltd. |
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Address after: 510000 318, No. 398 fengle North Road, Huangpu District, Guangzhou City, Guangdong Province (office only) Patentee after: Guangzhou blade Intelligent Technology Co., Ltd Address before: Whampoa fengle North District of Guangzhou City, Guangdong province 510700 398 No. 215 (only for office use) Patentee before: GUANGZHOU DAOFENG INTELLIGENT TECHNOLOGY Co.,Ltd. |