The invention provides a polycyclic filter lens group capable of independently adjusting the rotation angle of each lens, which comprises a positioning frame body, a first pivoting frame body, a transfer frame body and a second pivoting frame body, wherein each of the frame bodies is a hollow ...
The present invention relates to filter group for data compression and signal processing in signal processing process, in more detail, it is used for decorrelation of voice-frequency signal so as to provide a method for resolving redundancy and its device. Besides, based on psychoacoustic model, ...
陶然辛怡王超兰
The invention provides an optional multi-band high-performance filter group comprising a single-pole four-throw switch chip receiving input signals, a UHF-band semi-lumped and semi-distributed filter connected with a first output end of the single-pole four-throw switch chip, an S-band ...
The invention provides a circuit breaker transient recovery voltage inhibition system and a circuit breaker transient recovery voltage inhibition method of a 1000kV alternative-current filter group. The circuit breaker transient recovery voltage inhibition system comprises an alternative-current filter group,...
The utility model belongs to an optical group filter for optical fiber communication, which comprises an optical splitter 2 and a collimator 9. Two cascade connection F-P resonant cavities composed of two groups of reflectors can generate the Michelson interference. The bandwidth is fully used for...
The utility model relates to a filter cup group. The filter cup group comprises a filter cup holder with a number of holder strip parts, a cup-shaped filter, a bearing shrink-ring and a seal diaphragm. The cup-shaped filter is arranged in the filter cup holder. The bearing shrink-ring ...
According to the equal-even length anti-symmetrical biorthogonal wavelet filter group based edge detection method, the wavelet decomposition is performed through an equal-even length anti-symmetrical biorthogonal wavelet filter group with the differential operator function, the boundary information of every ...
The invention relates to a low complexity realization method and a device of an FIR digital filter group, the method comprises the following steps: an inner core filter of the filter group is constituted according to the common inner core of a plurality of similar filters in the filter group;...
A method for realizing orthogonal mirror image filter set based on genetic algorithm includes generating multi-set of random number to represent parameter of orthogonal mirror image filter set, coding each set of random number to binary system character string in finite length according to current ...