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1)  P wave dispersion
P波离散度
1.
Clinical intervention of Irbesartan/Hydrochlorothiazide combination in patients with essential hypertension complicating with paroxysmal atrial fibrillation and P wave dispersion;
复方厄贝沙坦对高血压病并阵发性心房颤动及其P波离散度的临床干预
2.
Therapeutic effect of carvedilol combined with shensongyangxin capsule on P wave dispersion in hypertensive patients with paroxymal atrial fibrillation;
卡维地洛联合参松养心胶囊对高血压伴阵发性房颤患者P波离散度的影响
3.
Effect of perindopril on the P wave dispersion in patients with isolated paroxymal atrial fibrillation;
培哚普利对孤立性房颤患者P波离散度的影响
2)  P-wave dispersion
P波离散度
1.
The clinical study of relationship between P-wave dispersion and atrial fibrillation of the patients with dilated cardiomyopathy;
扩张型心肌病患者P波离散度与心房颤动关系的临床研究
2.
Effect of dobutamine stress test on P-wave dispersion in elderly patients with angina pectoris;
多巴酚丁胺负荷对老年劳累性心绞痛P波离散度的影响
3.
Relation between P-wave dispersion and dilated cardiomyopathy;
P波离散度与扩张型心肌病的关系
3)  P dispersion
P波离散度
1.
Relationship between Essential Hypertension Accompany Atrial Arrhythmia and P Dispersion;
高血压伴房性心律失常与P波离散度的关系
2.
Study on P dispersion of patients with atrial fibrillation;
阵发性心房纤颤患者P波离散度研究
3.
Measurement of P dispersion of 23 patients with atrial arrhythmia;
23例房性心律失常患者P波离散度的测定
4)  the dispersion of P wave(pd)
P波离散度(Pd)
5)  P wave dispersion(Pd)
P波间期离散度(Pd)
6)  P P wave velocity
P-P波速度
补充资料:离散时间周期序列的离散傅里叶级数表示
       (1)
  式中χ((n))N为一离散时间周期序列,其周期为N点,即
  式中r为任意整数。X((k))N为频域周期序列,其周期亦为N点,即X(k)=X(k+lN),式中l为任意整数。
  
  从式(1)可导出已知X((k))N求χ((n))N的关系
   (2)
  式(1)和式(2)称为离散傅里叶级数对。
  
  当离散时间周期序列整体向左移位m时,移位后的序列为χ((n+m))N,如果χ((n))N的离散傅里叶级数(DFS)表示为,则χ((n+m))N的DFS表示为
  

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