纳秒

这种使用TimeBase寄存器来实现纳秒级精度计算有两个优点

There are two advantages to the implementation of nanosecond calculation using the Time Base register

使用C编写的以纳秒精度计算时间的完整算法如下所示

The full algorithm in C that computes the time with nanosecond precision is as follows

飞秒和纳秒激光脉冲作用下等离子体X射线辐射特性

Characteristic of Plasma X Ray Emissions Generated by Femtosecond and Nanosecond Laser

纳秒上升时间Q开关高压脉冲发生器的设计

Design of Q-switching High Voltage Pulse Generators with Nanosecond Rise Time

纳秒级紫外/软X射线条纹相机

Nanosecond UV / Soft X-Ray Streak Camera

用于测量软X射线能量角分布的多路纳秒门控积分器

Multi channel gated integrator in the measurement of the energy angular distribution of the soft X ray

皮秒和纳秒YAG脉冲激光离体血管成形术的实验研究

Separate Experimental Study of Angioplasty with Picosecond and Nanosecond YAG Pulse Lasers

一种产生高压纳秒脉冲的Marx电路

A MARX circuit generating high voltage nanosecond pulse

tb：上面给出的纳秒计算的实现。

Tb : The implementation of nanosecond calculation presented above .

近年来脉冲持续时间已可以缩短至纳秒级，这与调Q开关技术的发展是密不可分的。

The ns-scale sustained pulse time attribute the success to the development of Q switch technology .

基于CPLD的纳秒级微细电化学加工脉冲电源的研究

Research on the High Frequency Pulse Generator of Electrochemical Machining Based on CPLD

最先击中击球手的是外层的X射线，几纳秒后碎屑云也将接踵而至。

The shell of x-rays would hit the batter first , and a handful of nanoseconds later the debris cloud would hit .

采用连续光泵浦方式，在激光谐振腔中，利用多模硅光纤中的非线性效应-受激Brillouin散射（SBS）进行自调Q，得到了纳秒量级的脉冲输出；

By exploiting fiber nonlinearity-stimulated Brillouin Scattering ( SBS ) process in the laser cavity .

还有一个高精确度计时器API，它允许构造在以纳秒定义的时间中运行的计时器。

There 's also the high-resolution timer API , which permits timer constructions in which time is defined in nanoseconds .

运行CPU时间：这是线程在执行期间消耗的CPU时间，以纳秒为单位。

Elapsed CPU time : This is the CPU time consumed by the thread during execution , in nanoseconds .

利用MOSFET产生纳秒级窄脉冲

The Generation of UWB Pulse by Use of MOSFET

为了设计适于UWB通信用的脉冲发生器，在对各种脉冲发生器总结的基础上，改进了基于雪崩效应的纳秒级脉冲发生器，产生了纳秒级单脉冲波形。

We studied and made improvements on avalanche effect nanosecond impulser , and generated nanosecond UWB monocycle .

纳秒近红外KTP光学参量振荡器的理论设计

Theoretical design of nanosecond near infrared KTP optical parametric oscillator

超宽带天线是一项新兴的研究领域，它与窄带天线有很多不同之处，最根本的不同在于：超宽带天线例如TEM喇叭天线是辐射纳秒级短脉冲信号，这种脉冲信号有很宽的频谱；

The UWB antenna is a new research field in the world which has many differences from NB ( narrow band ) antenna .

基于TDS示波器的高压纳秒脉冲信号的测量

Measurement of HV Nanosecond-Pulse Signals Based on TDS Oscillograph

制约纳秒级OPO输出线宽的因素及部分数值计算

The factors that restrict ns grade OPO exporting line-width and sectional calculation

如今，通过调Q技术，已经可以获得峰值功率高于兆瓦级，脉宽达到纳秒程度的激光脉冲。

Today , through the Q-technique , they can already be higher than the MW peak power , pulse width to the extent of nanosecond laser pulses .

如果存在数据，您就得到一次缓存命中（cachehit），并以内存速度获取项（几十纳秒）。

If the data is there , then you have a cache hit and you get the item you want at memory speed ( tens of a nanosecond ) .

采用纳秒级脉冲辐解技术研究了偶氮染料甲基橙在水溶液中与羟基（·OH）、水合电子（e-aq）、氢原子（·H）的反应。

The kinetics and mechanisms of the reaction of azo dye methyl orange with · OH , e - aq and · H in dilute aqueous solutions have been studied using pulse radiolysis .

用3H－TdR（氚标记的胸腺嘧啶脱氧核苷）掺入法结合DNA合成抑制剂处理，研究了纳秒级强脉冲电子束和Ar＋离子束诱导的烟草种子的DNA损伤修复合成。

DNA repair synthesis of tobacco seeds induced by strong pulsed electron and Ar + ion beams was studied with 3H-TdR incorporation method and DNA inhibitor treatment .

利用纳秒激光闪光光解的研究结果阐明了Pt4+掺杂显著提高TiO2光催化活性的机制。

Thus , nanosecond laser flash photolysis has been carried out to elucidate the drastic enhancement of Pt4 + doping on the photocatalytic efficiency of TiO2 .

ext4设计时间戳时考虑到未来的发展，它将时间戳的单位提升到纳秒。

Ext4 has essentially future-proofed timestamps by extending them into a nanosecond LSB .

因此，ext4中时间戳的最小分辨率为1纳秒。

For this reason , the minimum timestamp resolution in ext4 is1 nanosecond .

这一功率阈值主要由介质性质决定，与介质非线性折射率n2成反比关系。光谱展宽量随入射脉冲宽度的减小而增加，在纳秒范围内变化较为缓慢。

When the pulse power is below it , there is no spectral broadening . And the critical power , which is mainly determined by the medium , is inverse proportion to n_2 of the medium .

故而，SDRAM的速度不再用大家熟悉的纳秒来度量，而像处理器那样用兆赫（MHz）来度量。

The speed of SDRAM , therefore , is not measured in the familiar old nanoseconds but in megahertz , like processors .