Suppose a signal is generated during the very small time gap between setting the errno variable by the close system call and its return.
假定信号在close系统调用设置errno变量到其返回之前这一极小的时间片段内生成。
A signal is simply any physical quantity whose magnitude and variation with time (or occasionally some other variable) contain information.
信号是任意自然物理量随其规模和时间(或其他一些随机变量)的变化而包含的信息。
Compared with other delay systems, it has an advantage that the time delay is continuously variable, so th at it can satisfy the need of signal delay processing.
与其它延迟系统相比，本系统的优点在于延迟时间可连续变化，延迟总时间可满足信号处理的要求。
Modulation domain analysis has become an important part for modern measurement technology. It is better than time domain and frequency domain measurement when indicating frequency variable signal.
调制域分析已经成为现代测试技术不可或缺的部分，在显现频率变化信号时优于时域测量和频域测量。
The delay device that the time delay is continuously variable is often needed in radar signal processing, but most delay devices don't satisfy the need.
在雷达信号处理中常常要用到延迟时间可调的延迟器件，但目前大多数延迟器件都不能满足要求。
The experiments show that the variable temperature signal can be detected and the welding time and traveling time can also be controlled in "step" TIG welding by this system.
经实验验证：该系统能够检测到熔池的温度场变化信号，并能控制步进式TIG焊的焊接时间和行走时间。
Presents a new computer oriented method based on a state variable approach to a large signal time domain analysis of networks with ideal switches.
对于理想开关网络的大信号时域分析，提出了一种基于状态变量法的新的面向计算机的方法。
A novel time - varying fuzzy controller is presented to compute the variable on - OFF signal sequence to achieve control requirements.
提出了一种新颖的时变模糊控制器计算可变开-关信号序列从而达到控制输出要求。
This method does not use the time variable as reference but is based on the amplitude of the signal. It can get the multirate sampling for complex signals.
不以时间作为采样的基准，而以信号的幅度作为采样的基准，实现了对包含多种频率成分的复杂信号的多采样率。
But asynchronous machine is a multivariate close coupling non - linear time - variable parameter system. And it is difficult to control by rule and line through adding exterior signal directly.
而异步电机是一个多变量、强耦合、非线性的时变参数系统，很难直接通过外加信号准确控制电磁转矩。
Measuring and analyzing technology based on variable-time-interval Fourier transform was dealt with for vehicle accelerating noise signal.
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.
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。
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