METER OF PHASE OF SPATIAL HARMONIC OF OPTICAL WAVE PROCESS WITH GIVEN PERIOD OF VIBRATIONS IN REAL SCALE OF TIME

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to the field of measuring technology and can be used in the circuit u0438u043du0442u0435u0440u0444u0435u0440u043eu043cu0435u0442u0440u0430u0445 u0441u0430u043du044cu00a0u043au0430, as well as fringe size u0438u0437u043cu0435u0440u0438u0442u0435u043bu00a0u0445 lee u043du0435u0439u043du044bu0445 sizes where the informative parameter u00a0u0432u043bu00a0u0435u0442u0441u00a0 phase spatial harmonics.the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - raising u0431u044bu0441u0442u0440u043eu0434u0435u0439u0441u0442u0432u0438u00a0 and sensitivity is u0434u043eu0441u0442u0438u0433u0430u0435u0442u0441u00a0 by u0443u043cu0435u043du044cu0448u0435u043du0438u00a0 number of computer operations and u0443u0432u0435u043bu0438u0447u0435u043du0438u00a0 amplitude signal the outlet u0444u043eu0442u043eu043fu0440u0438u0435u043cu043du0438u043au043eu0432 by u0438u0441u043fu043eu043bu044cu0437u043eu0432u0430u043du0438u00a0 u0444u043eu0442u043eu043fu0440u0438u0435u043cu043du0438u043au043eu0432 with larger area of u0441u0432u0435u0442u043eu0447u0443u0432u0441u0442u0432u0438u0442u0435u043bu044cu043du043eu0439 surface.u0438u043du0442u0435u0440u0444u0435u0440u0435u043du0446u0438u043eu043du043du0430u00a0 picture u0441u043eu0437u0434u0430u0435u0442u0441u00a0 in plane u0444u043eu0442u043eu043fu0440u0438u0435u043cu043du0438u043au043eu0432 and interference stripes u0440u0430u0441u043fu043eu043bu0430u0433u0430u044eu0442u0441u00a0 u043fu0435u0440u043fu0435u043du0434u0438u043au0443u043bu00a0u0440u043du043e axis along which they u0443u0441u0442u0430u043du043eu0432u043bu0435 toes. the signals from the u0444u043eu0442u043eu043fu0440u0438u0435u043cu043du0438u043au043eu0432 u043fu043eu0434u0430u044eu0442u0441u00a0 the blocks 5, 6 u0432u044bu0447u0438u0442u0430u043du0438u00a0, which u0432u044bu0447u0438u0441u043bu00a0u044eu0442u0441u00a0 u0444u043eu0442u043eu043fu0440u0438u0435u043cu043du0438u043au043eu0432 difference signals 1, 2 and 3, 4 respectively.block 7 u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u0435u0442 u0434u0435u043bu0435u043du0438u00a0 signals from outputs of the blocks 5, 6, the output signal from which u043fu043eu0434u0430u0435u0442u0441u00a0 at block 8, which u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u0435u0442u0441u00a0 u043eu043fu0435u0440u0430u0446u0438u00a0 ARCTG. the output signal at the output of the block 8 is proportional to the phase of spatial harmonics. 1 il.