查询词典 time delay unit

We designed the multi-channel delay and pulse adjustment circuit based on CPLD providing a solution to fast gating timing and delay problems in large nuclear physic experiments. Its main function is accepting a negative NIM trigger input, and outputting a pulse with adjustable delay and width. Minimum step accuracy of the delay and the pulse adjustment is 10ns when the system frequency is 100MHz.

针对大型核物理实验中的符合测量、多路时间测量系统中的门控快定时信号等应用的需要，设计了一种多路延迟／脉宽调节电路，主要功能是对输入的多路快信号进行延迟和脉宽调节，支持NIM负信号输入和输出，在系统主时钟频率为100MHz的时候，延迟和脉宽调节的最小步进精度为10ns。

The effect of improving the delay precision of the delay device was researched mainly as follows: the prescription and the preparation of the delay composition, the filling mode of delay element, the ignition of nonel tube and so on.

本论文主要对延期药的选择和制备、延期体的装药方式、导爆管雷管的延期药点火等几个影响延期时间精度的关键问题进行了实验研究。

The reason the default produced is analyzed and a new latest available unscheduled channel with smallest void algorithm is presented. The performance of the two algorithms is simulated. The results show that in LAUC-SV algorithm the effective window of the packet loss versus unit delay time of fiber delay lines is expanded significantly and the packet loss ratio is decreased about 100.5. The algorithm complexity of the LAUC-SV is only increased arithmetically with LAUC. Both the algorithms can not support delay reservation protocol effectively.

分析了产生此缺陷的原因并提出了一种LAUC算法的改进算法LAUC-SV算法，采用仿真的方法分析比较了两种算法的性能，结果表明LAUC-SV算法比LAUC算法的丢包率下降100.5，且LAUC-SV算法下的丢包率关于光纤延时线单元延时时间的工作窗口与传统LAUC相比大大展宽，而前者的算法复杂度与后者相比仅呈算术增长，但两算法均不能有效支持延时预约协议。

A method of time delay estimation by two times spectral analysis, where the time delay is the time interval between peaks of spectrum of the cross power spectral density, is proposed in the paper. It can be used to estimate time delay of not only single target but also multi-target without unwrap.

本文提出了两次谱分析时延估计方法，即将互功率谱函数再次进行谱估计，二次谱峰值位置间距即为时延估计，这种方法既能够估计单目标时延，又能够估计多目标时延，并且不用相位解绕。

An iterative reasoning algorithm with time delay of CD is proposed in this paper to resolve time delay of complex system. It is an effective approximating reasoning algorithm for its polynomial time complexity. It realizes dynamic reasoning of causality diagram through multiplication of linkage strength matrix and probability vector when the CD has time delay.

本文针对复杂系统的时间延迟性提出了带时间延迟的因果图迭代推理算法，该算法可以在多项式时间复杂度内完成，是一种有效的近似推理算法。

If average values before or after catastrophe point when the pressure at both ends reduces exceed the threshold value, judging that there is leak and positioning: calculating approximate wavelet transformation coefficient of pressure data at both ends, initializing searching interval, calculating a signal time delay value corresponding to approximate wavelet transformation coefficient in the searching interval from maximal scale N; converting the time delay value under scale N to that under N-1 by geometric proportion relation; updating the searching interval, repeating above processes until the scale is 0 and positioning based on the time delay value.

若两端压力下降突变点前后的均值变化均超过阈值，判定有泄漏并进行定位：计算两端压力数据的近似小波变换系数，初始化搜索区间，从最大尺度N开始在搜索区间内计算对应近似小波变换系数的信号时延值，利用等比关系将尺度N下的时延估计值转换为N-1下时延估计值，以该值更新搜索区间，重复以上过程至尺度为0，以此时延估计值进行定位。

The time delay (T1) that NAND gate 403 takes to generate a falling edge in VIN plus the time delay (T2) that a falling edge in VIN takes to propagate through pulse width generator 404 to VOUT plus the time delay (T3) for flip-flops 401 and 402 to generate falling edges in the UP and DN signals after a falling edge in VOUT equal the minimum pulse width of the UP and DN signals (T1+T2+T3=MPW).

NAND门403在VIN中生成下降沿的时间延迟(T1)加上VIN中的下降沿通过脉冲宽度发生器404传递到VOUT的时间延迟(T2)再加上触发器401和402在VOUT中的下降沿后在UP和DN信号中生成下降沿的时间延迟(T3)等于UP和DN信号的最小脉冲宽度，即(T1+T2+T3=MPW)。

According to the method,a input/output off-line model and time delay parameter of a unknown time delay process is identified by ULN.The ULN that can be a neural network predictor is used for a prediction model of the time delay systems.

该方法利用本文提出的通用学习网络自适应算法对模型未知的时滞系统进行离线建模，得到该过程的输入输出模型以及系统的滞后时间，进而将辨识得到的神经网络模型作为模型预测器对时滞系统进行预报。

In the chapter three, by using the comparison principle and frequency domain method of the discrete systems with time-delay, combining Rouche Theorem, sufficient criterions for the stabilization of the neutral type discrete control systems with multiple time-delay and the neutral type interval coefficient discrete control systems with multiple time-delay are obtained by choosing appropriate feedback controller.

在第三章，利用时滞离散系统的比较原理与时域法，结合复变函数理论中的路歇定理，通过选取适当的反馈控制律，得到了多组时滞中立型线性定常离散控制系统和多组时滞中立型区间系数线性定常离散控制系统的无条件镇定的充分性准则。

For the WiNCS based on the IEEE 802.15.4/Zigbee communication protocols stack, the different time delay components of the total round-trip time delay in this WiNCS are identified. The experimental studies on a WiNCS prototype testbed are used to analyze the impact of the various factors on the total round-trip time delay.

分析了利用IEEE 802.15.4／Zigbee通讯协议所实现无线网络控制系统中延时的组成，在此基础上，以实验手段探讨了不同网络因素对网络控制系统延时的影响。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。