Method for transmitting pulse like signals专利检索-脉冲畸变信号处理专利检索查询-专利查询网

Method for transmitting pulse like signals

阅读：267发布：2021-06-01

专利汇可以提供Method for transmitting pulse like signals专利检索，专利查询，专利分析的服务。并且This invention relates to a method of processing pulse like signals at the transmitter and receiver ends of a transmission medium so that the slope of the flanks of the transmitted pulses exceeds those transmittable by known methods by a medium with a limited band width. This is achieved by superposing overshoots on the pulses at the transmitter end of the transmission medium. These overshoots which have a frequency within the transmission band of the medium and consequently can be transmitted undistorted by the medium contain information about the slope of the flanks and amplitude of the original pulses at the transmitter end. These overshoots are then separated from the transmitted distorted pulses at the receiver end and a reshaping of the pulses is accomplished upon which frequency components are obtained from the overshoots, the amplitude and the time- and phase position of which have such values that the frequency components together with the transmitted distorted pulses form new pulses which well conform to the original pulses.，下面是Method for transmitting pulse like signals专利的具体信息内容。

权利要求

1. In a transmission system comprising a transmitter connected via a limited bandwidth transmission medium to a receiver, the method of enhancing the flanks of transmitted pulse like signals comprising the steps of: at the transmitter, adding to original pulse like signals overshoots containing information about the magnitude of the slopes of the flanks and the amplitude of such original pulse like signals and transmitting such pulse like signals with the added overshoots; and, at the receiver, separating from the received pulse like signals the added overshoots to obtain information signals related to the amplitude, time and phase positions of the overshoots and to obtain base pulse signals, modifying said information signals and adding said modified information signals to said base pulse signals to form new pulse like signals which conform to the original pulse like signals.

2. The method of claim 1 wherein the adding of overshoots is obtained by filtering the original pulse like signals with a filter having a distinct transition between a suppressed band and a pass band, said pass band being within the pass band of the transmission medium whereby the overshoots occur when the original pulse like signals contain spectral components having frequencies above the cut-off frequency of the filter.

3. The method of claim 2 wherein said modifying step comprises selecting only the first half period portions of the overshoots associated with the front and rear flanks of the pulse like signals.

4. The method of claim 3 wherein said modifying step further comprises differentiating the selected first half period portions of the overshoots.

5. The method of claim 4 wherein said modifying step further comprises differentiating the received pulse like signals.

6. The method of claim 5 wherein said adding step comprises adding the differentiated first half period portions of the overshoots at the proper times to be superimposed on the associated flanks of the base pulse signals and adding the differentiated received pulse like signals at the proper times to be superimposed on the entire base pulse signals.

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Method for transmitting pulse like signals

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