CN106886684B - The grade of digital quantity determines method - Google Patents
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- CN106886684B CN106886684B CN201710104815.8A CN201710104815A CN106886684B CN 106886684 B CN106886684 B CN 106886684B CN 201710104815 A CN201710104815 A CN 201710104815A CN 106886684 B CN106886684 B CN 106886684B
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Abstract
The invention discloses the grades of digital quantity to determine method, comprising the following steps: digital quantity a, is divided into N number of grade in advance, each grade corresponds to a grade point LevelValue(i), 0≤i≤N；Section between the grade point of the lowest class and the grade point of highest level has N number of sluggish section and N-1 normal interval, N number of sluggishness section and the arrangement interlaced with each other of N-1 normal interval；Wherein, N number of sluggish section is corresponded with N number of grade respectively, and each sluggishness section is collectively constituted by the grade point and the section adjacent with the grade point of corresponding grade of corresponding grade；B, digital quantity currently entered is received, determines that digital quantity currently entered is in N number of sluggish which of section and N-1 normal interval section: its grade is determined according to section locating for digital quantity currently entered respectively.The present invention can mitigate the phenomenon that grade definitive result caused by the digital quantity fluctuation because of signal is beated repeatedly, and easy to implement.
Description
Technical field
The present invention relates to signal processing technology more particularly to the processing techniques of digital quantity.
Background technique
It is needed in many applications to continuous signal divided rank.For example, it is known that A/D conversion in quantization be exactly will
Signal amplitude is divided into several quantization levels, and each quantization level is represented with a quantized value.Since signal often exists
Certain fluctuation directly carries out grade classification to the digital quantity of signal if without certain processing, exports result
It is just very easy to beat repeatedly between two grades, to cause the unstable of system.
Summary of the invention
Technical problem to be solved by the present invention lies in the grades for providing a kind of digital quantity to determine method, can mitigate because of letter
Number digital quantity fluctuation the phenomenon that causing grade definitive result to beat repeatedly, and it is easy to implement.
In order to solve the above technical problems, the technical solution used in the present invention is:
The grade of digital quantity determines method, comprising the following steps:
A, digital quantity is divided into N number of grade in advance, each grade corresponds to a grade point LevelValue(i), i table
Show i-th of grade, 0≤i≤N, N are the integer more than or equal to 3；Also, the grade point of the lowest class and the grade of highest level
Section between value has N number of sluggish section and N-1 normal interval, and N number of sluggish section and N-1 normal interval are each other
It is staggered；Wherein, N number of sluggish section is corresponded with N number of grade respectively, each sluggishness section by the grade point of corresponding grade with
And the section adjacent with the grade point of corresponding grade collectively constitutes；
B, digital quantity currently entered is received, determines that digital quantity currently entered is in N number of sluggish section and N-1 normal
Which of section section:
If digital quantity currently entered is in normal interval, the grade of current input digital quantity is determined as and is deserved
That lower grade in two adjacent grades of preceding input digital quantity；
If digital quantity currently entered is in the sluggish section of the lowest class, determine digital quantity currently entered without
Effect；
If digital quantity currently entered is in the sluggish section of remaining grade other than the lowest class, according to the last time
Digital quantity grade determine result to determine the grade of digital quantity currently entered, and be for the first time in digital quantity currently entered
When input, defaults last digital quantity grade and determine that result is the lowest class；If last digital quantity grade determines result
In two grades adjacent greater than with the current input digital quantity when higher grade, then digital quantity will be currently inputted
Grade be determined as and that higher grade in adjacent two grades of current input digital quantity；If last digital quantity
It, then will be current when grade determines that result is below or equal to lower grade in two grades adjacent with current input digital quantity
The grade of input digital quantity is determined as that lower grade in two grades adjacent with currently input digital quantity.
After adopting the above technical scheme, the present invention at least has following technical effect that
1, the application corresponds to each grade and is provided with sluggish section, falls into the sluggishness section in digital quantity currently entered
When interior, the grade of digital quantity currently entered determines the result is that determining what result was made according to last grade, so as to mitigate
The phenomenon that grade definitive result is beated repeatedly caused by fluctuating because of the digital quantity of input；
2, for the present processes when with software implementation, software code amount is few, and resource occupation amount is few, easy to implement.
Detailed description of the invention
The grade that Fig. 1 shows digital quantity according to the present invention determines the digital quantity grade classification of one embodiment of method
Exemplary diagram.
Fig. 2 shows the flow diagrams that the grade of digital quantity according to the present invention determines one embodiment of method.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
The grade of digital quantity according to an embodiment of the invention determines method, comprising the following steps:
Step a, digital quantity is divided into N number of grade in advance, each grade corresponds to a grade point LevelValue
(i), i indicates i-th of grade, and 0≤i≤N, N are the integer more than or equal to 3；Also, the grade point of the lowest class with it is most high
Section between the grade point of grade has N number of sluggish section and N-1 normal interval, and N number of sluggish section and N-1 are normally
Section arrangement interlaced with each other；Wherein, described N number of sluggish section is corresponded with N number of grade respectively, each sluggishness section by
The grade point of corresponding grade and the section adjacent with the grade point of corresponding grade collectively constitute.
The grade that Fig. 1 shows digital quantity according to the present invention determines the digital quantity grade classification of one embodiment of method
Exemplary diagram.Fig. 1 is by taking digital quantity is divided into 5 grades as an example.5 grades are respectively 0 grade, 1 grade, 2 grades, 3 grades and 4 grades,
Corresponding grade point is respectively LevelValue(0), LevelValue(1), LevelValue(2), LevelValue(3) and
LevelValue(4).It can be seen from the figure that LevelValue(0) and LevelValue(4) between section have 5 late
Between dead zone and 4 normal intervals, this 5 sluggish sections and 4 normal interval arrangements interlaced with each other；Wherein, described 5 late
Between dead zone respectively with 5 grades correspond, it is each sluggishness section by corresponding grade grade point and with corresponding grade
The adjacent section of grade point collectively constitutes.
Step b, digital quantity currently entered is received, determines that digital quantity currently entered is in N number of sluggish section and N-1
Which of normal interval section:
If digital quantity currently entered is in normal interval, the grade of current input digital quantity is determined as and is deserved
That lower grade in two adjacent grades of preceding input digital quantity；
If digital quantity currently entered is in the sluggish section of the lowest class, determine digital quantity currently entered without
Effect；
If digital quantity currently entered is in the sluggish section of remaining grade other than the lowest class, according to the last time
Digital quantity grade determine result to determine the grade of digital quantity currently entered, and be for the first time in digital quantity currently entered
When input, defaults last digital quantity grade and determine that result is the lowest class；If last digital quantity grade determines result
In two grades adjacent greater than with the current input digital quantity when higher grade, then digital quantity will be currently inputted
Grade be determined as and that higher grade in adjacent two grades of current input digital quantity；If last grade is sentenced
When determining lower grade in result two grades adjacent below or equal to current input digital quantity, then number will be currently inputted
The grade of word amount is determined as that lower grade in two grades adjacent with the current input digital quantity.
To keep the technical solution of the above embodiment of the present invention clearer, below in conjunction with flow chart shown in Fig. 2 and 4
Specifically it is illustrated using example.In this 4 application examples, the digital quantity of input is divided into 9 grades, and 0 grade is most
Inferior grade, 8 grades are highest level.Wherein, LevelValue(0)=400, LevelValue(1)=350, LevelValue(2)=
300, LevelValue(3)=250, LevelValue(4)=200, LevelValue(5)=150, LevelValue(6)=100,
LevelValue(7)=50, LevelValue(8)=0, higher grade, and grade point is smaller.It is corresponding with grade point to be, input
Digital quantity input be similarly metric digital quantity.In other embodiments, grade point can also be hexadecimal, input
Digital quantity is also hexadecimal digital quantity.It is corresponding with the lowest class sluggishness section be LevelValue(0),
(LevelValue(0)-lag) ], it is corresponding with highest level sluggishness section be (LevelValue(N)+lag),
LevelValue(N) ], the sluggish section of each grade of remaining other than the lowest class and highest level is [ (LevelValue
(i)-lag), (LevelValue(i)+lag).These sluggish sections are closed interval.Correspondingly, normal interval is to open area
Between.Lag indicates the size in sluggish section, in this 4 application examples, lag=5.OutputLevel indicates the judgement etc. of output
Grade.
Using example 1
Controller receives externally input input quantity input=360 for the first time.It is started counting from i=0, controller is first sentenced
Whether disconnected 360 be less than (LevelValue(0) -5) and it is greater than (LevelValue(1)+5).Due to 355 <, 360 < 395, that is, locate
Normal interval between 355 and 395, controller determine that the grade of digital quantity 360 is 0 grade.
Next, controller receives externally input input quantity input=351 for the second time.Controller is again from i=0
Start counting, controller first judges whether 351 be less than (LevelValue(0) -5) and it is greater than (LevelValue(1)+5).By
In 351 < 355, therefore, controller further judges whether 351 be less than or equal to (LevelValue(1)+5) and be more than or equal to
(LevelValue(1) -5), that is, judge whether 351 be in sluggish section corresponding with grade 1.Due to 345 <, 351 <
355, controller further judges that last digital quantity determines whether result is less than or equal to i.Current i=0, on controller
The primary grade for determining digital quantity 360 is also 0 grade, meets outputLevel≤0, thus controller judge digital quantity 351 etc.
Grade is 0 grade.This determines that result is below or equal to two adjacent with current input digital quantity with last grade described in step b
Then the grade of current input digital quantity is sentenced when lower grade in a grade (two grades adjacent with 351 are 0 grade and 1 grade)
It is set to that lower grade in two grades adjacent with the current input digital quantity to match.
Using example 2
Controller receives externally input input quantity input=340 for the first time.It is started counting from i=0, controller is first sentenced
Whether disconnected 340 be less than (LevelValue(0) -5) and it is greater than (LevelValue(1)+5).Due to 340 < 355, it is not at 355
With the normal interval between 395, therefore, controller further judges whether 340 be less than or equal to (LevelValue(1)+5) and
More than or equal to (LevelValue(1) -5).Since 340 not also in sluggish section corresponding with grade 1, then according to public affairs
Formula i=i+1, makes i=1.Controller judges that 340 are less than (LevelValue(1) -5) and it is greater than (LevelValue(2)+5), into
And determine that the grade of digital quantity 340 is 1 grade.
Next, controller receives externally input input quantity input=351 for the second time.Controller is again from i=0
Start counting, controller first judges whether 351 be less than (LevelValue(0) -5) and it is greater than (LevelValue(1)+5).By
In 351 < 355, therefore, controller further judges whether 351 be less than or equal to (LevelValue(1)+5) and be more than or equal to
(LevelValue(1) -5), that is, judge whether 351 be in sluggish section corresponding with grade 1.Due to 345 <, 351 <
355, controller further judges that last digital quantity determines whether result is less than or equal to i.Current i=0, on controller
The primary grade for determining digital quantity 340 is 1 grade, meets outputLevel > 0, so controller judges the grade of digital quantity 351
OutputLevel=0+1=1 grade.This determines that result is greater than and the digital quantity phase with last grade described in step b
In adjacent two grades (two grades adjacent with 351 are 0 grade and 1 grade) when higher grade, then digital quantity will be currently inputted
Grade be judged to matching with that higher grade in adjacent two grades of current input digital quantity.
Using example 3
Controller receives externally input input quantity input=396 for the first time, starts counting from i=0, controller judgement
396 in 0 grade of the lowest class of sluggish section [ 400,395 ], then determines that the digital quantity of input is invalid.Preferably, at other
Example application in, by the way that LevelValue(0 is rationally arranged), LevelValue(N) and lag size, can make current
The digital quantity of input is located at section ((LevelValue(N)+lag), (LevelValue(0)-lag)), in this case will not
It is in there is a situation where the digital quantity inputted in the sluggish section of the lowest class.That is, in this case, if will
LevelValue(0), LevelValue(N) and lag when being set to 400,0 and 5, it can guarantee digital quantity currently entered only
Section (5,395) can be fallen into, are not in above-mentioned currently entered without falling into section [ 400,395 ] and section [ 0,5 ]
The case where digital quantity is 396.
Using example 4
Controller receives externally input input quantity input=351 for the first time.It is started counting from i=0, controller is first sentenced
Whether disconnected 351 be less than (LevelValue(0) -5) and it is greater than (LevelValue(1)+5).Due to 351 < 355, control
Device further judges whether 351 be less than or equal to (LevelValue(1)+5) and it is more than or equal to (LevelValue(1) -5), i.e.,
Judge whether 351 be in sluggish section corresponding with grade 1.Due to 345 <, 351 < 355, controller further judges
Last digital quantity determines whether result is less than or equal to i.Since 351 be the digital quantity inputted for the first time, controller is defaulted
The digital quantity grade that last time determines is 0 grade, meets outputLevel≤0, so controller judges the grade of digital quantity 351
It is 0 grade.
It in Fig. 2 and above-mentioned application example, is determined by way of circulation searching at digital quantity currently entered
In N number of sluggish which of section and N-1 normal interval section.N+1 circulation is at most executed, is at most held under each circulation
Row 5 times judgements.(N+1) * 5 judgements are come to, have the advantages that software code amount is few, easy to implement when with software implementation.
Above-mentioned application example is only example rather than limits.For example, in other application example when divided rank, it can also
Division mode using higher grade, grade point is bigger.It is corresponding with the lowest class sluggishness section be LevelValue(0),
(LevelValue(0)+lag) ], it is corresponding with highest level sluggishness section be (LevelValue(N)-lag),
LevelValue(N) ], the sluggish section of each grade of remaining other than the lowest class and highest level is [ (LevelValue
(i)-lag), (LevelValue(i)+lag).Similarly, by the way that LevelValue(0 is rationally arranged), LevelValue(N)
With the size of lag, digital quantity currently entered can be made to be located at section ((LevelValue(0)+lag), (LevelValue
(N)-lag)), without being in the sluggish section of the lowest class there is a situation where the digital quantity inputted.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (9)
1. the grade of signal digital quantity determines method, which comprises the following steps:
A, signal digital quantity is divided into N number of grade in advance, each grade corresponds to a grade point LevelValue(i), i table
Show i-th of grade, 0≤i≤N, N are the integer more than or equal to 3；Also, the grade point of the lowest class and the grade of highest level
Section between value has N number of sluggish section and N-1 normal interval, and N number of sluggish section and N-1 normal interval are each other
It is staggered；Wherein, N number of sluggish section is corresponded with N number of grade respectively, and each sluggishness section is by corresponding grade
Grade point and the section adjacent with the grade point of corresponding grade collectively constitute；
B, signal digital quantity currently entered is received, determines that signal digital quantity currently entered is in N number of sluggish section and N-1
Which of normal interval section:
If signal digital quantity currently entered is in normal interval, by the grade of current input signal digital quantity be determined as with
That lower grade in two adjacent grades of the current input signal digital quantity；
If signal digital quantity currently entered is in the sluggish section of the lowest class, signal digital quantity currently entered is determined
In vain；
If signal digital quantity currently entered is in the sluggish section of remaining grade other than the lowest class, according to the last time
Signal digital quantity grade determine result to determine the grade of signal digital quantity currently entered, and in signal number currently entered
Word amount is to default last signal digital quantity grade when inputting for the first time and determine that result is the lowest class；If last time letter
Number digital quantity grade determines that result is higher greater than in two grades adjacent with the current input signal digital quantity
When grade, then the grade of current input signal digital quantity is determined as to two grades adjacent with the current input signal digital quantity
In that higher grade；If last signal digital quantity grade determines that result is below or equal to and current input signal number
In two adjacent grades of word amount when lower grade, then the grade of current input signal digital quantity is determined as and is currently inputted
That lower grade in two adjacent grades of signal digital quantity.
2. the grade of signal digital quantity according to claim 1 determines method, which is characterized in that higher grade, grade point
It is smaller.
3. the grade of signal digital quantity according to claim 2 determines method, which is characterized in that corresponding with the lowest class
Sluggish section be [ LevelValue(0), (LevelValue(0)-lag) ], sluggishness section corresponding with highest level
For (LevelValue(N)+lag), LevelValue(N), remaining each grade other than the lowest class and highest level
Sluggish section be [ (LevelValue(i)-lag), (LevelValue(i)+lag) ]；Lag indicates the size in sluggish section.
4. the grade of signal digital quantity according to claim 3 determines method, which is characterized in that set
LevelValue(0), LevelValue(N) and lag make signal digital quantity currently entered be located at section ((LevelValue
(N)+lag), (LevelValue(0)-lag)).
5. the grade of signal digital quantity according to claim 1 determines method, which is characterized in that higher grade, grade point
It is bigger.
6. the grade of signal digital quantity according to claim 5 determines method, which is characterized in that corresponding with the lowest class
Sluggish section be [ LevelValue(0), (LevelValue(0)+lag) ], sluggishness section corresponding with highest level be
(LevelValue(N)-lag), LevelValue(N), remaining each grade other than the lowest class and highest level
Sluggish section is [ (LevelValue(i)-lag), (LevelValue(i)+lag) ], and lag indicates the size in sluggish section.
7. the grade of signal digital quantity according to claim 6 determines method, which is characterized in that set
LevelValue(0), LevelValue(N) and lag make signal digital quantity currently entered be located at section ((LevelValue
(0)+lag), (LevelValue(N)-lag)).
8. the grade of signal digital quantity according to claim 1 determines method, which is characterized in that the digital quantity is ten
System or hexadecimal.
9. the grade of signal digital quantity according to claim 1 determines method, which is characterized in that in the step b,
It is to determine that signal digital quantity currently entered is in N number of sluggish section and N-1 normal interval by way of circulation searching
Which section.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101742627A (en) * | 2010-01-14 | 2010-06-16 | 京信通信系统（中国）有限公司 | Digital automatic gain control method of communication system and control system thereof |
| CN102804721A (en) * | 2010-03-16 | 2012-11-28 | 日本电气株式会社 | Transmitter apparatus, transmission method and transmission system |
| CN105911046A (en) * | 2016-07-04 | 2016-08-31 | 哈尔滨工业大学（威海） | Filtering method based on frequency distribution principle |
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2017
- 2017-02-24 CN CN201710104815.8A patent/CN106886684B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101742627A (en) * | 2010-01-14 | 2010-06-16 | 京信通信系统（中国）有限公司 | Digital automatic gain control method of communication system and control system thereof |
| CN102804721A (en) * | 2010-03-16 | 2012-11-28 | 日本电气株式会社 | Transmitter apparatus, transmission method and transmission system |
| CN105911046A (en) * | 2016-07-04 | 2016-08-31 | 哈尔滨工业大学（威海） | Filtering method based on frequency distribution principle |
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