CERTIFICATION Patent of Portable Optical Fiber Transmission Equipment for Radar Signal Calibration Patent of Ultra Long Distance Transmission Equipment of Multi-channel Local Oscillator Signal With Time Calibration Patent of Radio Altitude Simulator based on Optical Fiber Delay Patent of High-Speed Microwave Amplified Photodetector Patent of Simulator based on optical fiber delay Patent of Millimeter Wave Optical Fiber Step Delay Module Patent of DFB Laser
