Method for realizing long-distance transmission of wind direction analog signal

The invention relates to a method for realizing long-distance transmission of a wind direction analog signal, which is characterized in that the signal transmission among a wind speed sensor, a wind sensor and a collector is performed in a five-wire transmission manner; as for the five-wire transmission manner, one more transmission wire is added to a four-wire transmission manner; the wire number and the connection method of the transmission cables are changed; and under the condition that the number of the collector is not increased, the long-distance transmission of the wind direction analog signal is realized, the equipment investment cost is reduced, and the transmission efficiency is improved.