The relationship between the internal structure of the cable
Seismic cable is an important part of the seismic exploration acquisition system. Its performance directly affects the acquisition quality. The article introduces the relationship between the seismic cable parameters and the internal structure of the cable and the impact on the seismic data acquisition quality. The impact was analyzed and the solution was elaborated. With the rapid development of electronic integrated circuit technology, telemetry seismometers, which represent high acquisition accuracy, have been widely used in field seismic acquisition construction to adapt to them, and geophones have also launched super detectors with an accuracy of five ten thousandths. The starting point is to improve the quality of field collection equipment by improving the technical performance of field collection equipment. As an important part of the field acquisition system, the seismic cable's design ideas, manufacturing quality and use method also restrict the improvement of the field acquisition quality to a large extent. Taking the current telemetry seismic cable as an example, the factors affecting the quality of the acquisition include data transmission and simulation. Data transmission part The data transmission part refers to the data transmission line pair and the control line pair that transmit digital signals in the cable. Affecting the acquisition quality are several parameters such as the characteristic impedance of the capacitance between the crosstalk attenuation lines. Crosstalk mainly affects the reliability and stability of data transmission. The crosstalk of the cable is caused by the electromagnetic coupling between the main string pair and the string pair. It is related to the twisting pitch of the wire pairs, the distance between the wire pairs and the pitch ratio of each wire pair. It indicates that the voltage and current decrease when the electromagnetic energy is transmitted on the circuit of unit length. When the output power of the acquisition station is fixed, it determines the transmission distance of the seismic data signal, that is, the maximum length of a single seismic cable. Oca Glass provides smartphones with a Touch interface that is critical to their functionality.
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