Optical signal processing method and device

摘要

Disclosed are a method and device for increasing the adaptability of light intensity, which relate to the field of photoelectric communications. The method comprises: providing several stages of load resistors in the device, the device collecting voltage values, calculating the average value of all the collected voltage values when a preset number of voltage values which meet the requirements are collected, setting a voltage according to the average value and judging whether the set voltage meets preset requirements; and if yes, collecting data according to the set voltage; otherwise switching a load resistor according to a preset rule, wherein the load voltage may affect the voltage collection. The present invention has the beneficial effects of: improving the adaptability of a screen to light intensity during optical signal collection, and at the same time being able to reduce the error rate.

主权项

1. A method for processing an optical signal, comprising a sampling process and a converting process, wherein the sampling process comprises steps from S1 to S5, and the converting process comprise steps from S6 to S8, and steps S1 to S8 comprising:
S1: sampling, by a sampling module, an electric signal to obtain a sampling result and store the sampling result to a cache; S2: judging, by the sampling module, whether the number of sampling results in the cache is greater than a preset value, performing S3 in a case that the number of sampling results in the cache is greater than the preset value; or ending a flow and returning to S1 in a case that the number of sampling results in the cache is not greater than the preset value; S3: determining, by the sampling module, a current optical signal status of an output apparatus according to a current sampling result; S4: determining, by the sampling module, received data according to the current optical signal status and a stored optical signal status and updating the stored optical signal status with the current optical signal status; S5: sending, by the sampling module, the received data to a converting module; S6: storing, by the converting module, the received data into a data storage space and judging whether there exists a qualified data head in the data storage space, performing S7 in a case that there exists the qualified data head in the data storage space; or ending the flow and returning to S1 in a case that there does not exist the qualified data head in the data storage space; S7: recording, by the converting module, a position of the qualified data head; and S8: verifying, by the converting module, whether data following the qualified data head in the data storage space is legitimate, determining that the received data is correct and ending the flow in a case that the data following the qualified data head is legitimate; or determining that the received data is incorrect and returning to S1 in a case that the data following the data head in the data storage space is not legitimate.