The national standard of pulse waveform parameter based on the NTN technique cannot fully meet the measurement and calibration requirements of the current ultra-high speed electrical pulse waveform.We structure the pulse waveform measurement system based on electro-optic sampling technique and independently design and prepare the high frequency LiTaO_3-based electro-optic modulator with coplanar waveguide structure.The 3 dB frequency of the modulator measured by the network analysis system can reach 100 GHz...