The tidal harmonic analysis and prediction system is developed by VC++ to meet the requirement of pre-estimating tidal height before offshore survey.

A Digital Readout Interface Design for Near Field Measurement Location;

The antenna near field measurement history and the building process of the first antenna time domain near field measurement system in china were introduced.

A new type of probe for accurately measuring antenna s low sidelobe in near field measurement system, which is called null probe, is studied and designed.

Study of the position control in the antenna near-field measurement;

The output of the near-field measurement probe by a "Comparison Calibration" algorithm combined with the calculated values by the FDTA method is calibrated.

With the development of antenna measurement technique in recent decades, the near-field measurement has become an important technical means for high performance antenna research.