CN105897644B - A kind of communication means of pulsewidth and frequency modulation simultaneously - Google Patents
A kind of communication means of pulsewidth and frequency modulation simultaneously Download PDFInfo
- Publication number
- CN105897644B CN105897644B CN201610133138.8A CN201610133138A CN105897644B CN 105897644 B CN105897644 B CN 105897644B CN 201610133138 A CN201610133138 A CN 201610133138A CN 105897644 B CN105897644 B CN 105897644B
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- frequency
- pulse width
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- sent
- pulsewidth
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/12—Modulator circuits; Transmitter circuits
Abstract
The purpose of the present invention is to provide a kind of pulsewidth for increasing substantially data transmission capacity and frequency while the communication means of modulation, the following steps are included: A, by a bit wide being N (0<N≤8) and length is that subscript Y value in the one-dimension array M [X] of X (X>0) is sent into frequency modulator, to generate the frequency pulse signal fY that a cycle is T；B, the data M [Y] that frequency pulse signal fY and array index are Y (0≤Y < X) is sent into pulse width modulator together, data M [Y] is modulated to the frequency pulse width modulated signal P that the period in 1%-99% duty cycle range is T by pulse width modulator；C, the frequency pulse width modulated signal P received is sent into frequency demodulator and pulse width demodulator demodulates.The present invention increases to 1 or multiple byte modulation transmissions according to 1 data modulation transmissions for original, and data transmission capacity is greatly improved.
Description
Technical field
The present invention relates to digital signal modulated field, the communication means of especially a kind of pulsewidth and frequency modulation simultaneously.
Background technique
Currently, people are pulse frequency modulated or displacement modulation using most common digital signal modulating mehtod, this
A little modulator approaches carry out frequency or phase-modulation to signal using discrete data, can only transmit or receive every time 1 data,
It is difficult to again increase data transmission capacity.
Summary of the invention
The purpose of the present invention is to provide a kind of pulsewidth that data transmission capacity can be improved and frequency while modulating logical
Letter method.
The technical scheme of the present invention is realized as follows: the communication means that a kind of pulsewidth and frequency are modulated simultaneously, including with
Lower step:
It A, is N (0<N≤8) by a bit wide and length is that subscript Y value in the one-dimension array M [X] of X (X>0) is sent into frequency
In rate modulator, to generate the frequency pulse signal fY that a cycle is T；
B, the data M [Y] that frequency pulse signal fY and array index are Y (0≤Y < X) is sent into pulse width modulator together,
Data M [Y] is modulated to the frequency pulse width modulated signal P that the period in 1%-99% duty cycle range is T by pulse width modulator；
C, the frequency pulse width modulated signal P received is sent into frequency demodulator and pulse width demodulator demodulates.
Further, specific demodulation step in the step C are as follows: (1) first believe the frequency pulse width modulated received
Number P be sent into frequency demodulator obtain pulse signal the corresponding Y value of frequency fY, fY be reception one-dimension array subscript Y value；(2)
Frequency pulse width modulated signal P is sent to the pulse duty factor width value that pulse width demodulator obtains the frequency fY of pulse signal again,
Value correspondence is loaded into array M [Y].
Further, the duty ratio in the step B is directly proportional to data M [Y].
Further, the frequency pulse width modulated signal P can be used as base electrical signal and transmit on physical support.
Further, the frequency pulse width modulated signal P can be loaded on the carriers such as infrared, laser, microwave and transmit.
The present invention with the above structure, compared with prior art, have following remarkable result: the present invention by it is original according to
1 data modulation transmissions increases to 1 or multiple byte modulation transmissions, and data transmission capacity is greatly improved.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail, but does not constitute to any limit of the invention
System.
The communication means that a kind of pulsewidth of the present invention and frequency are modulated simultaneously, comprising the following steps: by a bit wide be A, N (0
<N≤8) and length be X (X>0) one-dimension array M [X] in subscript Y value be sent into frequency modulator in, thus generate a week
Phase is the frequency pulse signal fY of T；B, the data M [Y] that frequency pulse signal fY and array index are Y (0≤Y < X) is sent together
Enter pulse width modulator, data M [Y] is modulated to the frequency arteries and veins that the period in 1%-99% duty cycle range is T by pulse width modulator
Wide modulated signal P；C, the frequency pulse width modulated signal P received is sent into frequency demodulator and pulse width demodulator demodulates.
Wherein X and Y is greater than zero natural number, and data transmission capacity can be greatly improved in this method.
In order to improve the demodulating process of signal, preferred embodiment is specific demodulation step in the step C are as follows:
(1) the frequency pulse width modulated signal P received is first sent into the corresponding Y of frequency fY, fY that frequency demodulator obtains pulse signal
Value is to receive the subscript Y value of one-dimension array；(2) frequency pulse width modulated signal P is sent to pulse width demodulator again and obtains pulse letter
Number frequency fY pulse duty factor width value, the value correspondence is loaded into array M [Y].Duty ratio in the step B with
Data M [Y] is directly proportional.
The frequency pulse width modulated signal P sends and receives there are many kinds of modes, wherein the frequency pulse width modulated signal P
Can be used as base electrical signal transmitted on physical support or the frequency pulse width modulated signal P can be loaded into it is infrared, sharp
It is transmitted on the carriers such as light, microwave.
Claims (4)
1. the communication means that a kind of pulsewidth and frequency are modulated simultaneously, it is characterised in that: the following steps are included:
It A, is N (0<N≤8) by a bit wide and length is that subscript Y value in the one-dimension array M [X] of X (X>0) is sent into frequency tune
In device processed, to generate the frequency pulse signal fY that a cycle is T；
B, the data M [Y] that frequency pulse signal fY and array index are Y (0≤Y < X) is sent into pulse width modulator, pulsewidth together
Data M [Y] is modulated to the frequency pulse width modulated signal P that the period in 1%-99% duty cycle range is T by modulator；
C, the frequency pulse width modulated signal P received is sent into frequency demodulator and pulse width demodulator demodulates；
Specific demodulation step in the step C are as follows:
(1) the frequency pulse width modulated signal P received is first sent into the cycle T that frequency demodulator obtains pulse signal, T is corresponding
Y value is to receive the subscript Y value of one-dimension array；
(2) frequency pulse width modulated signal P is sent to the pulse duty factor that pulse width demodulator obtains the frequency fY of pulse signal again
Width value, value correspondence are loaded into data M [Y].
2. the communication means that a kind of pulsewidth as described in claim 1 and frequency are modulated simultaneously, it is characterised in that: the step B
In duty ratio it is directly proportional to data M [Y].
3. the communication means that a kind of pulsewidth as claimed in claim 2 and frequency are modulated simultaneously, it is characterised in that: the frequency arteries and veins
Wide modulated signal P can be used as base electrical signal and transmit on physical support.
4. the communication means that a kind of pulsewidth as claimed in claim 3 and frequency are modulated simultaneously, it is characterised in that: the frequency arteries and veins
Wide modulated signal P is loaded into infrared, laser, transmits on microwave carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610133138.8A CN105897644B (en) | 2016-03-09 | 2016-03-09 | A kind of communication means of pulsewidth and frequency modulation simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610133138.8A CN105897644B (en) | 2016-03-09 | 2016-03-09 | A kind of communication means of pulsewidth and frequency modulation simultaneously |
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| Publication Number | Publication Date |
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| CN105897644A CN105897644A (en) | 2016-08-24 |
| CN105897644B true CN105897644B (en) | 2019-05-03 |
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| CN201610133138.8A Active CN105897644B (en) | 2016-03-09 | 2016-03-09 | A kind of communication means of pulsewidth and frequency modulation simultaneously |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106817197B (en) * | 2016-12-23 | 2020-05-26 | 上海致远绿色能源股份有限公司 | Communication coding and decoding method based on duty ratio modulation |
| CN107835049B (en) * | 2017-11-09 | 2020-10-09 | 西安电子科技大学 | Laser communication method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1812255A (en) * | 2005-01-24 | 2006-08-02 | 北瀚科技股份有限公司 | Dynamic PWM regulating and varying controller capable of regulating pulse width |
| CN101039118A (en) * | 2006-03-16 | 2007-09-19 | 凌阳科技股份有限公司 | Digital simulation conversion system and method |
| CN101820229A (en) * | 2008-05-10 | 2010-09-01 | 技领半导体(上海)有限公司 | Flyback switching converter controller integrated circuit and method |
| CN102307044A (en) * | 2011-09-14 | 2012-01-04 | 深圳航天科技创新研究院 | Switching power supply PWM (pulse width modulation) controller with variable frequencies |
| CN104426364A (en) * | 2013-08-27 | 2015-03-18 | 英特希尔美国公司 | Pwm/pfm controller for use with switched-mode power supply |
-
2016
- 2016-03-09 CN CN201610133138.8A patent/CN105897644B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1812255A (en) * | 2005-01-24 | 2006-08-02 | 北瀚科技股份有限公司 | Dynamic PWM regulating and varying controller capable of regulating pulse width |
| CN101039118A (en) * | 2006-03-16 | 2007-09-19 | 凌阳科技股份有限公司 | Digital simulation conversion system and method |
| CN101820229A (en) * | 2008-05-10 | 2010-09-01 | 技领半导体(上海)有限公司 | Flyback switching converter controller integrated circuit and method |
| CN102307044A (en) * | 2011-09-14 | 2012-01-04 | 深圳航天科技创新研究院 | Switching power supply PWM (pulse width modulation) controller with variable frequencies |
| CN104426364A (en) * | 2013-08-27 | 2015-03-18 | 英特希尔美国公司 | Pwm/pfm controller for use with switched-mode power supply |
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| CN105897644A (en) | 2016-08-24 |
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