1. A self-adaptive high-power laser emission and high-sensitivity detection receiving method is characterized in that: the method comprises the following specific steps:

step one, carrying out photoelectric conversion on high-power laser emission;

step two, filtering the code stream after the photoelectric conversion;

step three, based on the step one, the conversion needs to include IRIG-B codes and FT3 codes;

identifying the IRIG-B code and judging the code stream direction of the IRIG-B code;

identifying and rate judging an FT3 code and judging the code stream direction of an FT3 code;

sixthly, decoding the identified code stream;

and step seven, storing the decoded IRIG-B time information and FT3 data information.

2. The adaptive high-power laser emission and high-sensitivity detection receiving method according to claim 1, characterized in that: the process of identifying and judging the code stream direction of the IRIG-B code is a process of analyzing and judging whether the code stream is the IRIG-B code stream or not and judging the code stream direction by adopting a high-frequency clock to code stream count.

3. The adaptive high-power laser emission and high-sensitivity detection receiving method according to claim 1, characterized in that: the specific process of identifying and judging the code stream direction of the IRIG-B code comprises the steps of setting a timer of 80ms seconds, detecting the rising edge of the code stream by taking 80ms as a judging period, and starting a rising edge interval counter.

4. The adaptive high-power laser emission and high-sensitivity detection receiving method according to claim 3, characterized in that: and reading the value of the interval counter of the rising edge at the rising edge of the pulse, counting 1 maximum value and 1 minimum value, and clearing 0 for the interval counter of the rising edge.

5. The adaptive high-power laser emission and high-sensitivity detection receiving method according to claim 4, characterized in that: and judging when the time reaches 80ms, and if the minimum edge interval of the rising edges of the code stream is more than 8ms and the maximum edge interval is less than 9ms, judging that the code stream is the forward IRIG-B code.

6. The adaptive high-power laser emission and high-sensitivity detection receiving method according to claim 5, characterized in that: and detecting the falling edge of the code stream by taking 80ms as a judgment cycle, starting a falling edge interval counter, reading the value of the falling edge interval counter at the falling edge of the pulse, counting 1 maximum value and 1 minimum value, and clearing 0 for the falling edge interval counter.

7. The adaptive high-power laser emission and high-sensitivity detection receiving method according to claim 3, characterized in that: and when the timer reaches the point, judging that the code stream is the reverse IRIG-B code if the minimum edge interval of the falling edge is more than 8ms and the maximum edge interval is less than 9 ms.

8. The adaptive high-power laser emission and high-sensitivity detection receiving method according to claim 1, characterized in that: the process of identifying the FT3 code, judging the rate and judging the direction of the FT3 code stream is a process of analyzing the code stream flow number by adopting a high-frequency clock to judge whether the code stream is the FT3 with different rates and judging the direction of the FT3 code stream according to the rate of the code stream and a frame start character.

Background

The laser emission mainly comprises a laser, a leading-in and beam-combining system, an alignment monitoring system, a beam expanding system, a Kude optical path system and a quick reflector, wherein the leading-in and beam-combining system leads in multiple paths of laser and combines the laser into one path of laser through a beam combining mirror to be output to the alignment monitoring system.

The detection and reception of the laser is low in sensitivity, the detection processing process is complicated, the speed is low, the detection and reception efficiency is greatly influenced, and different lasers also have different signal information, so that the identification and the judgment are needed. Therefore, an adaptive high-power laser emission and high-sensitivity detection receiving method is provided for solving the problems.

Disclosure of Invention

The present embodiment provides a method for adaptive high-power laser emission and high-sensitivity detection and reception, which is used to solve the problems in the prior art.

According to one aspect of the application, a method for self-adaptive high-power laser emission and high-sensitivity detection and reception is provided, which comprises the following specific steps:

step one, leading in laser: carrying out photoelectric conversion on high-power laser emission;

step two, filtering treatment: filtering the code stream after the photoelectric conversion;

step three, based on the step one, the conversion needs to include IRIG-B codes and FT3 codes;

step four, identifying a first step: the IRIG-B code identifies and judges the code stream direction of the IRIG-B code;

step five, identifying a second step: identifying and rate judging an FT3 code and judging the code stream direction of an FT3 code;

step six, decoding treatment: decoding the identified code stream;

and step seven, storing the decoded IRIG-B time information and FT3 data information.

Preferably, the process of identifying and determining the code stream direction of the IRIG-B code by the IRIG-B code is a process of analyzing and determining whether the code stream is the IRIG-B code stream and determining the code stream direction by a high-frequency clock to a code stream count.

Preferably, the specific process of identifying and determining the code stream direction of the IRIG-B code by the IRIG-B code is to set a timer of 80ms seconds, detect the rising edge of the code stream with 80ms as a determination period, and start a rising edge interval counter.

Preferably, the value of the rising edge interval counter is read at the rising edge of the pulse, 1 maximum value and 1 minimum value are counted, and the rising edge interval counter is cleared by 0.

Preferably, the judgment is performed when 80ms seconds are reached, and if the minimum edge interval of the rising edges of the code stream is greater than 8ms and the maximum edge interval is less than 9ms, the code stream is judged to be the forward IRIG-B code.

Preferably, a falling edge of the code stream is detected with a decision period of 80ms, a falling edge interval counter is started, the value of the falling edge interval counter is read at the falling edge of the pulse, 1 maximum value and 1 minimum value are counted, and the falling edge interval counter is cleared by 0.

Preferably, when the timer reaches a point, the determination is performed, and if the minimum edge interval of the falling edge is greater than 8ms and the maximum edge interval is less than 9ms, the code stream is determined to be the reverse IRIG-B code.

Preferably, the process of identifying the FT3 code and determining the rate and the direction of the FT3 code stream is a process of analyzing the code stream count by using a high-frequency clock to determine whether the code stream is FT3 with different rates and determining the direction of the FT3 code stream according to the code stream rate and the frame start symbol.

Through the above embodiment of the application, the method and the device are suitable for detection and reception of high-power laser emission, code streams are judged according to periods according to the timer, detection and reception sensitivity is improved, laser can be identified and received, and meanwhile IRIG-B codes and FT3 codes can judge optical-to-electrical signals.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a flowchart of a detection receiving method according to the present application.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

The adaptive high-power laser emission and high-sensitivity detection receiving method in this embodiment may be suitable for detection receiving, for example, the following automatic tracking method is provided in this embodiment.

The automatic tracking method comprises the following steps:

the method comprises the following steps: two fixed position laser emitting devices are provided: the system comprises a first laser emitting device and a second laser emitting device, wherein a laser receiver is arranged on a target to be tracked, the two laser emitting devices respectively perform self-rotation and emit laser, a plane coordinate system is established at the same time, a connecting line between the two laser emitting devices is defined as a base line, the coordinates of the first laser emitting device are (xA, yA), and the coordinates of the second laser emitting device are (xB, yB);

step two: when the laser receiver simultaneously receives laser signals respectively transmitted by the two laser transmitting devices, the communication unit feeds back information to the rotation control unit of the laser transmitting devices, detects the laser transmitting angle of the laser transmitter in real time, and calculates the coordinates (x1, y1) of the current position of the laser receiver according to the coordinates of the two laser transmitting devices;

step three: after at least three position coordinates of the laser receiver in the moving process are calculated, the moving trend of the laser receiver is estimated according to the known position coordinates;

step four: and calculating the corresponding rotating angle of the laser transmitter on the laser transmitting device according to the estimated movement trend of the laser receiver, and tracking the laser receiver in real time.

Here, description is not repeated, and the following describes a detection receiving method according to an embodiment of the present application.

The first embodiment is as follows:

as shown in fig. 1, a method for receiving adaptive high-power laser emission and high-sensitivity detection includes the following steps:

step one, leading in laser: carrying out photoelectric conversion on high-power laser emission;

step two, filtering treatment: filtering the code stream after the photoelectric conversion;

step three, based on the step one, the conversion needs to include IRIG-B codes and FT3 codes;

step four, identifying a first step: the IRIG-B code identifies and judges the code stream direction of the IRIG-B code;

step five, identifying a second step: the FT3 code identifies and rate judges the code stream direction of the FT3 code.

Further, the process of identifying and determining the code stream direction of the IRIG-B code by the IRIG-B code is a process of analyzing and determining whether the code stream is the IRIG-B code stream and determining the code stream direction by a high-frequency clock to a code stream count.

Further, the process of identifying the FT3 code, judging the rate and judging the direction of the FT3 code stream is a process of analyzing the code stream count by adopting a high-frequency clock to judge whether the code stream is the FT3 with different rates and judging the direction of the FT3 code stream according to the rate of the code stream and the frame start character.

Example two:

as shown in fig. 1, a method for receiving adaptive high-power laser emission and high-sensitivity detection includes the following steps:

step six, decoding treatment: decoding the identified code stream;

and step seven, storing the decoded IRIG-B time information and FT3 data information.

Further, the specific process of the IRIG-B code for identifying and judging the code stream direction of the IRIG-B code is to set a timer of 80ms seconds, detect the rising edge of the code stream with 80ms as a judging period and start a rising edge interval counter.

Further, the value of the rising edge interval counter is read at the rising edge of the pulse, 1 maximum value and 1 minimum value are counted, and the rising edge interval counter is cleared by 0.

Further, when 80ms seconds are reached, judging that the code stream is the forward IRIG-B code if the minimum edge interval of the rising edges of the code stream is more than 8ms and the maximum edge interval is less than 9 ms.

Further, a falling edge of the code stream is detected with 80ms as a determination period, a falling edge interval counter is started, the value of the falling edge interval counter is read at the falling edge of the pulse, 1 maximum value and 1 minimum value are counted, and the falling edge interval counter is cleared by 0.

Further, when the timer reaches a point, the judgment is carried out, and if the minimum edge interval of the falling edge is greater than 8ms and the maximum edge interval is less than 9ms, the code stream is judged to be the reverse IRIG-B code.

The self-adaptive high-power laser emission and high-sensitivity detection receiving method has the advantages that: the method is suitable for detecting and receiving high-power laser emission, judges the code stream according to the period according to the timer, and is favorable for improving the sensitivity of detecting and receiving.

Example three:

as shown in fig. 1, a method for receiving adaptive high-power laser emission and high-sensitivity detection includes the following steps:

step four, identifying a first step: the IRIG-B code identifies and judges the code stream direction of the IRIG-B code;

step five, identifying a second step: identifying and rate judging an FT3 code and judging the code stream direction of an FT3 code;

step six, decoding treatment: decoding the identified code stream;

and step seven, storing the decoded IRIG-B time information and FT3 data information.

Further, the process of identifying and determining the code stream direction of the IRIG-B code by the IRIG-B code is a process of analyzing and determining whether the code stream is the IRIG-B code stream and determining the code stream direction by a high-frequency clock to a code stream count.

Further, the specific process of the IRIG-B code for identifying and judging the code stream direction of the IRIG-B code is to set a timer of 80ms seconds, detect the rising edge of the code stream with 80ms as a judging period and start a rising edge interval counter.

Further, the value of the rising edge interval counter is read at the rising edge of the pulse, 1 maximum value and 1 minimum value are counted, and the rising edge interval counter is cleared by 0.

Further, when 80ms seconds are reached, judging that the code stream is the forward IRIG-B code if the minimum edge interval of the rising edges of the code stream is more than 8ms and the maximum edge interval is less than 9 ms.

Further, a falling edge of the code stream is detected with 80ms as a determination period, a falling edge interval counter is started, the value of the falling edge interval counter is read at the falling edge of the pulse, 1 maximum value and 1 minimum value are counted, and the falling edge interval counter is cleared by 0.

Further, when the timer reaches a point, the judgment is carried out, and if the minimum edge interval of the falling edge is greater than 8ms and the maximum edge interval is less than 9ms, the code stream is judged to be the reverse IRIG-B code.

The self-adaptive high-power laser emission and high-sensitivity detection receiving method has the advantages that: the laser can be identified and received, and the IRIG-B code and the FT3 code can judge whether the optical-to-electrical signal is.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.