组合模式(Composite Pattern):组合多个对象形成树形结构以表示具有 “整体—部分” 关系的层次结构。组合模
java运行时,其中程序计数器,虚拟堆栈,本地方法栈三个区域随线程而生,随线程而灭,但时java堆和方法区则不一样,这部分内存分配和回收都是
1. 根节点枚举 迄今为止,所有收集器在根节点枚举这一步骤都是必须暂停用户线程的。即便是号称停顿时间可控、或者(几乎)不会发生停顿的 CMS、G1、
移频 (将选带的中心频率移动到零频) 数字低通滤波器 (防止频率混叠) 重新采样 (将采样的数据再次间隔采样,间隔的数据取决于分析的带宽,就是放大倍数
运用共享技术有效地支持大量细粒度对象的复用。系统只使用少量的对象,而这些对象都很相似,状态变化很小,可以实现对象的多次复用。由于享元模式要求
Since each of the samples are taken at equally spaced time intervals, we have a time log of what happened during the chirp. Every sample is a complex number, meaning we have captured some magnitude of power as well as the phase of the wave at that time. So, our object will theoretically appear as an increase in power in our samples. On the other hand, we can use the