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To solve the problems in modulation recognition of time-frequency overlapped two-signal in the single-channel, an algorithm based on cyclic cumulants used modulation recognition is presented. Through computing the fourth-order cyclic cumulants of pretreated band signals, the feature vector for classification was extracted, and then use the minimum-error criterion to classify time-frequency overlapped...
This paper proposes a novel threshold method based on the penalized threshold presented by Birge and Massart, the novel threshold is derived in 3-band wavelet domain. Instead of selecting the coefficients which are larger than some threshold, the method merely fixes the number of coefficients we want to keep equal to some value and takes the largest ones. It is effective because the number of wavelet...
This paper proposes a kind of estimation method of wrist force/torque for robots. The method adopts the data fusion technique according to the output variations of the finger force sensors installed in the gripper. The finger force sensors are used to measure the clamping force of the gripper in the design. When the accuracy of measurement is not required exactly and there is the limitation of weight...
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