Errors in the second language acquisition has been thoroughly studied while errors due to psychological difficulties in translating the source language into the target language has seldom been probed.

A two-chaff cloud centroid jamming method with high efficiency;

Application of multi-target passive chaff centroid jamming;

The digital simulation test of centroid jamming;

In order to eliminate the ECG interference included in diaphragmatic electromyographic(EMGdi),an ECG cancellation algorithm based on proportional threshold algorithm was presented in this paper.

The interfering mechanism on the photoelectric detector is analyzed in damagemechanism and jamming threshold.

The interference mechanism of infrared interference missile is analyzed, its composition, operation process, tactical application, main technical indexes and delivery/launch technology are briefly introduced, and the development trend of infrared interferenct missile is also analyzed.