CN109688385A - Real-time status monitoring platform - Google Patents
Real-time status monitoring platform Download PDFInfo
- Publication number
- CN109688385A CN109688385A CN201910029379.1A CN201910029379A CN109688385A CN 109688385 A CN109688385 A CN 109688385A CN 201910029379 A CN201910029379 A CN 201910029379A CN 109688385 A CN109688385 A CN 109688385A
- Authority
- CN
- China
- Prior art keywords
- dust concentration
- encoding device
- ldpc encoding
- currently used
- frequency
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
- H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
- H03M13/11—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits using multiple parity bits
- H03M13/1102—Codes on graphs and decoding on graphs, e.g. low-density parity check [LDPC] codes
Abstract
The present invention relates to a kind of real-time status monitoring platform, the platform includes: LDPC encoding device, for each business data flow to be executed LDPC coded treatment, and is exported the data flow after coded treatment as encoding stream；Channel multiplexer is connect with the LDPC encoding device, channel multiplexing processing is carried out for receiving each encoding stream of various businesses data flow, and by each encoding stream, to obtain and export corresponding channel multiplexing signal.Real-time status monitoring Platform Designing of the invention is effective, structure optimization.Due to carrying out reduction processing to the frequency of oscillation of the quartz (controlled) oscillator of associate device when equipment cooling is excessive, and then control the working frequency of associate device, reduce the control device of associate device, realize and the association of LDPC encoding device controlled, so as to realize chip used to channel coding working condition real time monitoring.
Description
Technical field
The present invention relates to chip monitoring field more particularly to a kind of real-time status monitoring platforms.
Background technique
The personnel that closed monitor system can supervise record important place in real time enter and leave situation, and closed monitor system combines one
A little detectors and warning device provide a kind of effective security system.Detector can detect that gangster's feelings, fire behavior etc. are anticipated in time
Outer situation sounds an alarm notify that security personnel takes corresponding measure in time, records scene truly, and can by auto dialing and
Voice system is to public security organ, fire-fighting organ automatic alarm.
In monitoring system, the transmission of closed monitor system image is a vital link of whole system, choosing
It selects which kind of medium and equipment transmission image and other control signals will be directly related to the q&r of monitoring system.
Summary of the invention
According to an aspect of the present invention, a kind of real-time status monitoring platform is provided, the platform includes:
LDPC encoding device, for each business data flow to be executed LDPC coded treatment, and will be after coded treatment
Data flow is exported as encoding stream；
Channel multiplexer is connect with the LDPC encoding device, for receiving each encoding stream of various businesses data flow,
And each encoding stream is subjected to channel multiplexing processing, to obtain and export corresponding channel multiplexing signal；
Radio-frequency modulations transmitter is connect with the channel multiplexer, for will carry out after channel multiplexing signal adjustment
Radio frequency is sent；
Different model is respectively adopted in the LDPC encoding device, the channel multiplexer and the radio-frequency modulations transmitter
SOC chip is realized；
Live dust extract equipment, it is current with LDPC encoding device, channel multiplexer and radio-frequency modulations transmitter respectively
The connection of not used suspension pin, with obtain the not currently used suspension pin of LDPC encoding device current dust concentration,
The current dust concentration of the not currently used suspension pin of channel multiplexer and radio-frequency modulations transmitter it is not currently used
Suspend the current dust concentration of pin；
Main control device is connect with the live dust extract equipment, is not used for receiving the current of LDPC encoding device
The suspension current dust concentration of pin, channel multiplexer not currently used suspension pin current dust concentration and radio frequency
The current dust concentration of the not currently used suspension pin of modulation transmitter, and to the not currently used of LDPC encoding device
Suspend the current dust concentration and radio frequency tune of the current dust concentration of pin, the not currently used suspension pin of channel multiplexer
The current dust concentration of the not currently used suspension pin of transmitter processed executes weighted mean operation to obtain low reference pin ash
Dust concentration；
FLASH memory, the current dust of the not currently used suspension pin for LDPC encoding device to be stored in advance
Concentration, the current dust concentration of not currently used suspension pin of channel multiplexer and not making currently for radio-frequency modulations transmitter
The current dust concentration of suspension pin participates in three weighted values of weighted mean operation respectively；
Instant playback equipment is connect with the main control device, for receiving the silicon wafer entity ash of the LDPC encoding device
Dust concentration, and instant playback character string corresponding with the silicon wafer entity dust concentration of the LDPC encoding device；
The inside of channel multiplexer is arranged in internal analysis equipment, for detecting the heat inside channel multiplexer, to make
Currently to distribute heat output；
Quartz (controlled) oscillator is arranged near LDPC encoding device, for providing for the working frequency of LDPC encoding device
Reference clock, channel multiplexer are arranged near LDPC encoding device and connect with LDPC encoding device；
Threshold value comparison equipment is connect with the internal analysis equipment, for receive it is described currently distribute heat, and receiving
To when currently distributing heat more than or equal to design heat amount threshold value, gave off heat high RST.
The present invention needs inventive point important at two:
(1) reduction processing is carried out to the frequency of oscillation of the quartz (controlled) oscillator of associate device when equipment cooling is excessive, in turn
The working frequency for controlling associate device reduces the control device of associate device, realizes that the association to LDPC encoding device controls；
(2) the dust distribution situation of the pin position based on each equipment around, determines the reality inside current device
Border concentration reduces the design complexities of current device.
Real-time status monitoring Platform Designing of the invention is effective, structure optimization.Due to when equipment cooling is excessive to association
The frequency of oscillation of the quartz (controlled) oscillator of equipment carries out reduction processing, and then controls the working frequency of associate device, reduces association and sets
Standby control device realizes that the association to LDPC encoding device controls, so as to realize chip used to channel coding
The real time monitoring of working condition.
Specific embodiment
The embodiment of real-time status monitoring platform of the invention will be described in detail below.
LDPC code is that one kind that Massachusetts Institute of Technology Robert Gallager was proposed in doctoral thesis in 1963 has
The packeting error-correcting code of sparse check matrix.All channels are suitable for almost, therefore become the research hotspot of coding circle in recent years.
His performance approaches shannon limit, and describes and realize simple, is easy to carry out theory analysis and research, decode it is simple and it is practicable simultaneously
Row operation, is suitble to hardware realization.
Low density parity check code figure (LDPC code) is substantially a kind of linear block codes, it passes through a generator matrix G
Information sequence is mapped to transmission sequence, that is, codeword sequence.For generator matrix G, there are an odd evens fully equivalently
Check matrix H, all codeword sequence C constitute the kernel (null space) of H.
The parity check matrix H of LDPC code is a sparse matrix, relative to the length of row and column, the every row of check matrix,
The number of nonzero element is very small in column, this is also the reason of why LDPC code is known as low-density code.Due to check matrix H
Used Different Rule when sparsity and construction, so that the coding bipartite graph (Taner figure) of different LDPC codes has difference
Closed loop distribution.And closed loop is an important factor for influencing LDPC code performance in bipartite graph, he makes LDPC code in class
Under a kind of iterative decoding algorithm for propagating (Belief ProPagation) algorithm like confidence level, entirely different decoding is shown
Performance.
Currently, the frequency of oscillation of the quartz (controlled) oscillator of associate device can not be carried out at reduction when equipment cooling is excessive
Reason, and then the working frequency of associate device is controlled, leading to LDPC encoding mechanism still has the space of optimization, cannot achieve and compiles to LDPC
The association of decoding apparatus controls.
In order to overcome above-mentioned deficiency, the present invention has built a kind of real-time status monitoring platform, can effectively solve the problem that corresponding
Technical problem.
The real-time status monitoring platform shown according to an embodiment of the present invention includes:
LDPC encoding device, for each business data flow to be executed LDPC coded treatment, and will be after coded treatment
Data flow is exported as encoding stream；
Channel multiplexer is connect with the LDPC encoding device, for receiving each encoding stream of various businesses data flow,
And each encoding stream is subjected to channel multiplexing processing, to obtain and export corresponding channel multiplexing signal；
Radio-frequency modulations transmitter is connect with the channel multiplexer, for will carry out after channel multiplexing signal adjustment
Radio frequency is sent；
Different model is respectively adopted in the LDPC encoding device, the channel multiplexer and the radio-frequency modulations transmitter
SOC chip is realized；
Live dust extract equipment, it is current with LDPC encoding device, channel multiplexer and radio-frequency modulations transmitter respectively
The connection of not used suspension pin, with obtain the not currently used suspension pin of LDPC encoding device current dust concentration,
The current dust concentration of the not currently used suspension pin of channel multiplexer and radio-frequency modulations transmitter it is not currently used
Suspend the current dust concentration of pin；
Main control device is connect with the live dust extract equipment, is not used for receiving the current of LDPC encoding device
The suspension current dust concentration of pin, channel multiplexer not currently used suspension pin current dust concentration and radio frequency
The current dust concentration of the not currently used suspension pin of modulation transmitter, and to the not currently used of LDPC encoding device
Suspend the current dust concentration and radio frequency tune of the current dust concentration of pin, the not currently used suspension pin of channel multiplexer
The current dust concentration of the not currently used suspension pin of transmitter processed executes weighted mean operation to obtain low reference pin ash
Dust concentration；
FLASH memory, the current dust of the not currently used suspension pin for LDPC encoding device to be stored in advance
Concentration, the current dust concentration of not currently used suspension pin of channel multiplexer and not making currently for radio-frequency modulations transmitter
The current dust concentration of suspension pin participates in three weighted values of weighted mean operation respectively；
Instant playback equipment is connect with the main control device, for receiving the silicon wafer entity ash of the LDPC encoding device
Dust concentration, and instant playback character string corresponding with the silicon wafer entity dust concentration of the LDPC encoding device；
The inside of channel multiplexer is arranged in internal analysis equipment, for detecting the heat inside channel multiplexer, to make
Currently to distribute heat output；
Quartz (controlled) oscillator is arranged near LDPC encoding device, for providing for the working frequency of LDPC encoding device
Reference clock, channel multiplexer are arranged near LDPC encoding device and connect with LDPC encoding device；
Threshold value comparison equipment is connect with the internal analysis equipment, for receive it is described currently distribute heat, and receiving
To when currently distributing heat more than or equal to design heat amount threshold value, gave off heat high RST；
Driving equipment is vibrated, is connect respectively with the quartz (controlled) oscillator and the threshold value comparison equipment, for receiving
When the heat crosses high RST, the frequency of oscillation of the quartz (controlled) oscillator is reduced based on the numerical value for currently distributing heat；
Wherein, the main control device is also used to the low reference pin dust concentration of acquisition multiplied by tradeoff factor to obtain LDPC
The silicon wafer entity dust concentration of encoding device.
Then, continue that the specific structure of real-time status monitoring platform of the invention is further detailed.
In the real-time status monitoring platform:
In the FLASH memory, the current dust concentration of the not currently used suspension pin of LDPC encoding device,
The current dust concentration of the not currently used suspension pin of channel multiplexer and radio-frequency modulations transmitter it is not currently used
Three weighted values that the current dust concentration of suspension pin participates in weighted mean operation respectively are of different sizes.
In the real-time status monitoring platform:
The FLASH memory is connect with the main control device, for the tradeoff factor to be stored in advance.
In the real-time status monitoring platform:
The threshold value comparison equipment be also used to it is described currently distribute heat less than the design heat amount threshold value when, issue heat
Measure normal signal.
In the real-time status monitoring platform:
The oscillation driving equipment is also used to keep the quartz (controlled) oscillator when receiving the heat normal signal
Frequency of oscillation.
In the real-time status monitoring platform:
In the oscillation driving equipment, the vibration of the quartz (controlled) oscillator is reduced based on the numerical value for currently distributing heat
Swinging frequency includes: that the numerical value for currently distributing heat is higher, and the reduction amplitude of the frequency of oscillation of the quartz (controlled) oscillator is bigger.
In the real-time status monitoring platform:
The working frequency of the LDPC encoding device carries out corresponding in the frequency of oscillation decline of the quartz (controlled) oscillator
Step-down operation.
In addition, FLASH storage chip is nonvolatile storage, the memory cell block of referred to as block can be carried out it is erasable and
It reprograms.The write operation of any FLASH device can only carry out in unit that is empty or having wiped, so in most cases,
Erasing must be first carried out before carrying out write operation.It is foolproof that NAND device, which executes erasing operation, and NOR is then required
Position all in object block is all first written as 0 before being wiped.
It when due to erasing NOR device is carried out with the block of 64~128KB, executes the time of write/erase operation
For 5s, in contrast, erasing NAND device is carried out with the block of 8~32KB, is executed identical operation and is at most only needed 4ms.
The difference of block size has further widened the performance gap between NOR and NADN when executing erasing, and statistics shows right
In given a set of write operation (when especially update small documents), more erasing operations must be in the unit based on NOR
It carries out.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned include: read-only memory (English:
Read-Only Memory, referred to as: ROM), random access memory (English: Random Access Memory, referred to as:
RAM), the various media that can store program code such as magnetic or disk.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (7)
1. a kind of real-time status monitoring platform, which is characterized in that the platform includes:
LDPC encoding device, for each business data flow to be executed LDPC coded treatment, and by the data after coded treatment
Stream is exported as encoding stream；
Channel multiplexer is connect with the LDPC encoding device, for receiving each encoding stream of various businesses data flow, and will
Each encoding stream carries out channel multiplexing processing, to obtain and export corresponding channel multiplexing signal；
Radio-frequency modulations transmitter is connect with the channel multiplexer, for will carry out radio frequency after channel multiplexing signal adjustment
It sends；
The SOC of different model is respectively adopted in the LDPC encoding device, the channel multiplexer and the radio-frequency modulations transmitter
Chip is realized；
Live dust extract equipment does not make with the current of LDPC encoding device, channel multiplexer and radio-frequency modulations transmitter respectively
Suspension pin connection, to obtain current dust concentration, the channel of the not currently used suspension pin of LDPC encoding device
The not currently used suspension of the current dust concentration and radio-frequency modulations transmitter of the not currently used suspension pin of multiplexer
The current dust concentration of pin；
Main control device is connect with the live dust extract equipment, for receiving the not currently used outstanding of LDPC encoding device
Set the current dust concentration and radio-frequency modulations of the current dust concentration of pin, the not currently used suspension pin of channel multiplexer
The current dust concentration of the not currently used suspension pin of transmitter, and the not currently used suspension to LDPC encoding device
The current dust concentration of pin, the current dust concentration of the not currently used suspension pin of channel multiplexer and radio-frequency modulations hair
The current dust concentration of the not currently used suspension pin of device is sent to execute weighted mean operation dense to obtain low reference pin dust
Degree；
FLASH memory, the current dust concentration of the not currently used suspension pin for LDPC encoding device to be stored in advance,
The current dust concentration of the not currently used suspension pin of channel multiplexer and radio-frequency modulations transmitter it is not currently used
The current dust concentration of suspension pin participates in three weighted values of weighted mean operation respectively；
Instant playback equipment is connect with the main control device, and the silicon wafer entity dust for receiving the LDPC encoding device is dense
Degree, and instant playback character string corresponding with the silicon wafer entity dust concentration of the LDPC encoding device；
The inside of channel multiplexer is arranged in internal analysis equipment, for detecting the heat inside channel multiplexer, using as working as
Before distribute heat output；
Quartz (controlled) oscillator is arranged near LDPC encoding device, for providing reference for the working frequency of LDPC encoding device
Clock, channel multiplexer are arranged near LDPC encoding device and connect with LDPC encoding device；
Threshold value comparison equipment is connect with the internal analysis equipment, for receive it is described currently distribute heat, and receiving
When currently distributing heat more than or equal to design heat amount threshold value, gave off heat high RST；
Driving equipment is vibrated, connect respectively with the quartz (controlled) oscillator and the threshold value comparison equipment, for described in receive
When heat crosses high RST, the frequency of oscillation of the quartz (controlled) oscillator is reduced based on the numerical value for currently distributing heat；
Wherein, the main control device is also used to the low reference pin dust concentration of acquisition multiplied by tradeoff factor to obtain LDPC coding
The silicon wafer entity dust concentration of equipment.
2. real-time status monitoring platform as described in claim 1, it is characterised in that:
In the FLASH memory, current dust concentration, the channel of the not currently used suspension pin of LDPC encoding device
The not currently used suspension of the current dust concentration and radio-frequency modulations transmitter of the not currently used suspension pin of multiplexer
Three weighted values that the current dust concentration of pin participates in weighted mean operation respectively are of different sizes.
3. real-time status monitoring platform as claimed in claim 2, it is characterised in that:
The FLASH memory is connect with the main control device, for the tradeoff factor to be stored in advance.
4. real-time status monitoring platform as claimed in claim 3, it is characterised in that:
The threshold value comparison equipment be also used to it is described currently distribute heat less than the design heat amount threshold value when, give off heat just
Regular signal.
5. real-time status monitoring platform as claimed in claim 4, it is characterised in that:
The oscillation driving equipment is also used to keep the oscillation of the quartz (controlled) oscillator when receiving the heat normal signal
Frequency.
6. real-time status monitoring platform as claimed in claim 5, it is characterised in that:
In the oscillation driving equipment, the oscillation frequency of the quartz (controlled) oscillator is reduced based on the numerical value for currently distributing heat
Rate includes: that the numerical value for currently distributing heat is higher, and the reduction amplitude of the frequency of oscillation of the quartz (controlled) oscillator is bigger.
7. real-time status monitoring platform as claimed in claim 6, it is characterised in that:
The working frequency of the LDPC encoding device is declined accordingly in the frequency of oscillation decline of the quartz (controlled) oscillator
Operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910029379.1A CN109688385A (en) | 2019-01-13 | 2019-01-13 | Real-time status monitoring platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910029379.1A CN109688385A (en) | 2019-01-13 | 2019-01-13 | Real-time status monitoring platform |
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| CN109688385A true CN109688385A (en) | 2019-04-26 |
Family
ID=66193204
Family Applications (1)
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| CN201910029379.1A Pending CN109688385A (en) | 2019-01-13 | 2019-01-13 | Real-time status monitoring platform |
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