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MCRT (YPFPFRTic-NH 2 ) is a chimeric opioid peptide based on morphiceptin and PFRTic-NH 2 . In order to assess the cardiovascular effect of MCRT, it was administered by intravenous (i.v.) injection targeting at the peripheral nervous system and by intracerebroventricular (i.c.v.) injection targeting at the central nervous system. Naloxone and l-NAME were injected before MCRT to investigate...
A chimeric opioid peptide (MCRT, YPFPFRTic-NH 2 ) was here designed and synthesized. This peptide was based on morphiceptin (YPFP-NH 2 ) and a neuropeptide FF (NPFF) derivative (PFRTic-NH 2 ) sharing one proline. This peptide is intended to produce potent analgesia. MCRT was found to induce analgesic activity in a dose- and time-dependent manner, as indicated by a tail flick...
This paper presents a method of singular value decomposition (SVD) plus digital phase lock loop (DPLL) to solve the difficult problem of blind pseudo-noise (PN) sequence estimation in low signal to noise ratios (SNR) direct sequence spread spectrum (DS-SS, DS) signals with residual carrier. Of course, the method needs to know the parameters of DS signal, such as the period and code rate of PN sequence...
In this paper, an algorithm reprocessing of the power spectrum density (RPSD) is proposed to detect and estimate the PN code's period of the multipath direct sequence spread spectrum (DS/SS) signal in low SNR, which develops the previous processing method based on the single path environment. It can solve the difficult problem of PN code's period detection and estimation in multipath environment....
In this paper, we develop a method based on the reprocessing of the power spectrum density (PSD) of direct sequence spread spectrum (DS-SS) signals with residual carrier, it can solve difficult problem of period detection and estimation of the pseudo noise (PN) sequence for weak DS-SS signals in dynamic environments. The method is developed from another method, which is based on the reprocessing of...
This paper presents a method of singular value decomposition (SVD) plus digital phase lock loop (DPLL) to solve the difficult problem of blind pseudo-noise (PN) sequence estimation for low signal to noise ratios (SNR) direct sequence spread spectrum (DS) signals in dynamic environments. Of course, the method needs to know the parameters of DS signal, such as the period and code rate of PN sequence...
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