提出了基于变时基短时傅里叶变换来分析和处理时变信号的技术。
Measuring and analyzing technology based on variable-time-interval Fourier transform was dealt with for vehicle accelerating noise signal.
对五轴联动铣床采用锤击脉冲激励法和变时基采样方法进行实验模态分析，获得机床的各阶固有频率、振型及其相应的振型动画。
The experimental modal analysis of five-axis linkage milling machine is made by using hammer-hitting pulse-inspirit method and change time based sampling method.
Nel说，当我们变老时，由于氧自由基对免疫系统的影响，导致系统免疫防御和免疫监视能力下降。
"As we age, the ability of the immune system to fight disease and infections and protect against cancer wears down as a result of the impact of oxygen radicals on the immune system," Nel said.
利用时变基频的求解方法，建立基于径向基函数网络的时变基频识别模型，解决“深度”复杂性问题；
The identifying model of time variation was built, on the basis of radial basis function neural network to solve the problem of diagnosis depth.
在典型的R LC振荡放电电路中，引入5 5 5时基电路和水银继电器作为控制电路，设计了阻尼正弦瞬变信号发生器。
In typical R-L-C resonance circuit, the 555-time-circuit and mercury relay are used as control unit. A damped sinusoid source is designed. It has been proved that the source satisfies our request.
在典型的R LC振荡放电电路中，引入5 5 5时基电路和水银继电器作为控制电路，设计了阻尼正弦瞬变信号发生器。
In typical R-L-C resonance circuit, the 555-time-circuit and mercury relay are used as control unit. A damped sinusoid source is designed. It has been proved that the source satisfies our request.
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