Optical signal recognition method and apparatus

An optical signal recognizing device, comprising:

• an initializing module, a collecting module, a converting module, a first determining module, a second determining module, a third determining module, a deleting module, a storing module and an outputting module, in which
• the initializing module is configured to perform initializing;
• the collecting module is configured to collect optical voltage value in the collecting channel to obtain a set of optical voltage values;
• the converting module is configured to compare the set of optical voltage values and the comparison threshold and generate an optical data according to the comparing result;
• the first determining module is configured to determine whether the optical data and the last converted optical data are identical;
• the second determining module is configured to determine whether the number of the optical data in the converting array has reached a preset number;
• the third determining module is configured to determine whether the optical data in the converting array are identical;
• the deleting module is configured to delete the optical data which is the earliest stored in the converting array;
• the storing module is configured to store the collected optical voltage values and store the optical data;
• and
• the outputting module is configured to set the frame data as the optical data in the converting array and return the frame data;
• and
• wherein the collecting module comprises a first setting unit, a first collecting unit and a first determining unit, in which
• the first setting unit is configured to set a collecting channel which is not yet collected in the collecting channels as current collecting channel and update the current collecting channel;
• the first collecting unit is configured to collect the voltage value in the current collecting channel, set the collected voltage value as optical voltage value, and store the optical voltage value at the position corresponding to the current collecting channel in a collecting array;
• the first determining unit is configured to determine whether voltage values of all collecting channels are collected;
• or
• the collecting module comprises a second setting unit, a second collecting unit and a second determining unit, in which
• the second setting unit is configured to set the collecting channel which has not been collected in the collected channels as the current collecting channel and update the current collecting channel;
• the second collecting unit is configured to collect the voltage value of the current collecting channel, perform operation on the collected voltage value and a first preset basement value, take operation result as optical voltage value, and store the optical voltage value at the position corresponding to the current collecting channel in the collecting array;
• the second determining unit is configured to determine whether the voltage values of all collecting channels have been collected;
• or
• the collecting module comprises a third setting unit, a third collecting unit, a first computing unit and a third determining unit, in which
• the third setting unit is configured to set the collecting channel which has not been collected in the collecting channel as the current collecting channel and update the current collecting channel;
• the third collecting unit is configured to collect the voltage value of the current collecting channel according to a preset collecting times and store the preset collecting number of the collected voltage values in the collecting array orderly;
• the first computing unit is configured to calculate the preset collecting times of voltage values in the collecting array, take the computing result as optical voltage value and store the optical voltage value at the position corresponding to the current collecting channel in the voltage value array;
• the third determining unit is configured to determine whether voltage values of all collecting channels are collected:
• or
• the collecting module comprises a fourth setting unit, a fourth collecting unit and a second computing unit and a fourth determining unit, in which
• the fourth setting unit is configured to set the collecting channel, which has not been collected, of the collecting channels as the current collecting channel and update the current collecting channel;
• the fourth collecting unit is configured to collect the voltage value of the current collecting channel according to the preset collecting times and store the preset collecting times of collected voltage values in the collecting array;
• the second computing unit is configured to perform computing on the preset collecting times of voltage values and a second preset basement value, take computing result as the optical voltage value and store the optical voltage value in the voltage value array at the position corresponding to the current collecting channel;
• and
• the fourth determining unit is configured to determine whether voltage values of all collecting channels have been collected.