PASSIVE INTERMODULATION DISTORTION MEASUREMENT APPARATUS AND METHOD IN COMMUNICATION SATELLITE PAYLOAD

摘要

1. the art that the invention defined in the claims; The invention will for manual intermodulation distortion measuring device and method in a communications satellite payload.; 2. The invention attempts to solve the technical challenges; The present invention, communication repeater and antenna and bus structures transceiver combine satellite communications payload consisting of by inserting a communication repeater and a signal input coupler and the output signal detection combiner for between the antenna RF signal is applied and passive intermodulation for distortion signal detected in general EMC measurement facilities without additional equipment intended to provide passive intermodulation distortion measuring device and method in a communications satellite payload to enable the measurement of passive intermodulation distortion signal.; 3. Resolution of the subject matter of the invention,; The present invention provides a passive intermodulation distortion signal measuring apparatus of a communications satellite payload, input signal generation means for synthesizing them to generate a signal corresponding to each channel of the satellite transponder; Input connection means for inputting a signal combined from said input signal generating means to the input signal of the satellite transponder through the input coupler provided on the input terminal of the satellite repeater; The input signal and the signal inputted from the amplifier means connected via said satellite transponder, the distortion signal extracting means for extracting from the output coupler is installed to the output of the satellite repeater; And receiving the signal extracted from the distorted signal extracting means analyzes the channel characteristic comprises a signal distortion detecting means for detecting a passive intermodulation distortion signal.; 4. An important use of the invention,; The invention yiyongdoem like communications satellite payload.