1) time convolution theorem
时间卷积定理
2) time-domainconvolution theorem
时域卷积定理
3) convolution theorem
卷积定理
1.
Analysis of Analog Modulation Based On Convolution Theorem and Hilbert Transform;
基于卷积定理和希尔伯特变换的模拟调制分析
2.
According to the convolution theorem and the dec onvolution theorem published recently, this paper resolves a problem that is how to measure radiative field produced by some plane active deposit with the aerial gamma-ray survey.
本文应用卷积定理和反卷积定理觖决了长期以来存在的任意面状放射源产生的辐射场求解问题。
3.
Some examples were provided to emphasize that using convolution theorem, we can simplify the theoretical analysis of filtering and modulation(including demodulation, mixing, etc).
实例说明应用卷积定理，可以简化滤波与调制（包括解调、混频等）的理论分析。
4) time-integral theorem
时间积分定理
1.
The purpose of this paper is to study the time-integral theorems for a generalized Birkhoff system.
研究了广义Birkhoff系统的时间积分定理。
5) deconvolution theorem
反卷积定理
1.
In this new method, firstly, a series of radiative field data in some height have been detected by means of aerial survey, secondly, the corresponding data in the ground can be computed by the deconvolution theorem,finally, the data in anywhere height may be computed with convolutio.
本文应用卷积定理和反卷积定理觖决了长期以来存在的任意面状放射源产生的辐射场求解问题。
6) complex convolution theorem
复卷积定理
补充资料：时间
实际上，时间单位首先从天文观测来确定的，“1平太阳日或1天（1昼夜）”是以地球相对于太阳的自转周期为基准来计量的，一个平太阳日的1/86400为1秒；后来发现地球自转不均匀，1960年国际度量衡大会把时间基准改为以地球绕太阳公转周期，即规定为1900年地球公转周期（回归年）的1/31556925.9747为1秒；随着精确、稳定的原子钟制成，1967年国际度量衡大会规定国际单位制原子时的时间单位“秒（长）是两个超精细能级之间跃进所对应辐射9192631770个周期的持续时间”。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条