物理学报
物理學報
물이학보
2013年
8期
084501-1-084501-9
,共1页
螺旋波%分布式电流%激发介质
螺鏇波%分佈式電流%激髮介質
라선파%분포식전류%격발개질
spiral wave%currents with diversity%excitable media
利用两种恒定电信号刺激介质不同区域来产生分布式电流,外界分布式电流内化为跨膜电流后在介质中形成稳定的梯度力可抑制螺旋波的传播.当螺旋波被消除后系统进一步演化为均匀态且对应的膜片电位采样序列逐渐趋于一个稳定值.在考虑噪声情况下,该方法仍然能消除螺旋波,对其采样序列分析也验证了方法的可靠性.
利用兩種恆定電信號刺激介質不同區域來產生分佈式電流,外界分佈式電流內化為跨膜電流後在介質中形成穩定的梯度力可抑製螺鏇波的傳播.噹螺鏇波被消除後繫統進一步縯化為均勻態且對應的膜片電位採樣序列逐漸趨于一箇穩定值.在攷慮譟聲情況下,該方法仍然能消除螺鏇波,對其採樣序列分析也驗證瞭方法的可靠性.
이용량충항정전신호자격개질불동구역래산생분포식전류,외계분포식전류내화위과막전류후재개질중형성은정적제도력가억제라선파적전파.당라선파피소제후계통진일보연화위균균태차대응적막편전위채양서렬축점추우일개은정치.재고필조성정황하,해방법잉연능소제라선파,대기채양서렬분석야험증료방법적가고성.
@@@@Forcing currents are generated by using two types of constant currents to stimulate different areas of a medium. The external current is mapped into transmembrane current and stable gradient force is induced to drive the stable rotating spiral wave. The medium becomes homogeneous when the spiral wave is removed and the time series of sampled membrane potentials becomes stable value without considering noise. The scheme is confirmed to be effective in the presence of Gaussian white noise.