zero-order hold零阶保持器
1.In the paper,a theorem is put forward that,for small sampling periods,the accuracy of all limiting zeros of the pulse transfer function for a system composed of a zero-order hold is followed by a continuous-time plant.讨论了在含有零阶保持器的线性系统中,当采样周期很小时,脉冲传递函数的所有有限零点的近似程度。
3)zero order holding approximation零阶保持逼近
1.With the help of zero order holding approximations of the scale function and signal,the preliminary approximation spectrum of the signal are derived.详细地研究了ｍ阶尺度函数，特别是Ｄ（Ｎ）ｍ，ｎ（ｔ）和信号的采样，零阶保持逼近。
4)ZOH Zero C Order C Hold无指令控制，零阶保持
5)zero-order hold零序保持
6)First-order hold一阶保持
延伸阅读
安全保持器分子式：CAS号：性质：又称安全保持器。本安回路的安全接口，它能在安全区和危险区之间双向转递电信号，并可限制因故障引起的安全区向危险区和能量转递。一般安全栅有齐纳式、电阻式和变压器隔离式三种。
