Self-adaptive filtering method and related device
A technology of equipment and filter coefficients, applied in the field of processing input signals, can solve problems such as training sequence destruction, and achieve the effect of efficient use
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[0023] figure 2 is a block diagram of an embodiment of a data processing apparatus 200 according to the invention. The device 200 comprises a filter circuit F for filtering a digital input signal Sin to generate a digital output signal Sout. The filter circuit F has a set C, which is composed of m adjustable filter coefficients whose values are C0(n), C1(n), . . . Cm-1(n) at discrete time n. Said coefficients are adjustable, ie their values can be changed. For example, as shown in the example below, the coefficients are adaptive coefficients, so filter F is an adaptive filter.
[0024] The device 200 may be part of a receiver that receives an input signal Sin output by a transmitter and transmitted over a communication channel. The device 200 completes the equalization of the signal Sin. In training equalization, transmissions at the transmitter end on the input signal Sin include transmissions in Sin that include the reference signal Sref as part of the input signal ...
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