差同步

An adaptive deadbeat control method in stationary reference frame for distribution level static synchronous compensator is proposed.

提出一种静止坐标系下配电网静止同步补偿器的自适应无差拍控制方法。

Sure enough, we're still out of sync.

可以肯定，我们之间现在是不同步的，数据是有差别的。

An improved bi-directionally pumped configuration with a segment un-pumped fiber was proposed and demonstrated to improve the tenability of linewidth.

针对单级双向抽运的L波段SFS在线宽上的可调性较差的不足，提出了基于一段非抽运光纤的改进型双向同步抽运结构的L波段SFS。

In contrast, assembly of mobile hard disk, although the manufacturer can also install high-speed hard disk to your hard disk box, but due to the lack of synchronization control chip technology and can not interface with the hard drive to eliminate the bottleneck between the speed, so that assembly of a "high-speed mobile hard disk" can not truly reflect the advantages of high-speed hard drive, it is very easy because the interface with the speed difference between the hard disk, and there waiting for data transmission, data underrun issues.

反观组装移动硬盘，虽然其制造者也能将高速硬盘安装到硬盘盒中，但由于缺乏同步控制芯片技术而不能消除接口与硬盘速度之间的瓶颈，这样组装出来的"高速移动硬盘"并不能真正体现出高速硬盘的优势，倒是很容易因为接口与硬盘之间存在速度差，而出现数据传输等待、数据欠载等问题。

Thirdly, the maximum-likelihood CFO estimation algorithms based on null-subcarrier are investigated, and it is shown that the maximum-likelihood CFO estimation algorithm based on equispaced null-subcarriers is equivalent to the CFO estimation algorithm utilizing the correlation of repeated training sequences.

提出了两种基于时域相关峰值检测的同步估计改进算法：1）采用一个OFDM符号做为训练序列，在接收端进行差分相关以解决时间度量函数中出现的平台效应。

However, OFDM systems can be extremely sensitive to synchronization errors. Minor carrier frequency offset and symbol time offset can cause intersymbol and intercarrier interference and degrade system performance very seriously.

然而，正交分频多工对於对同步错误极为敏感，些许的载波频率偏移与符元时序偏移就能造成符际干扰及子载波干扰，导致系统效能变差。

To reduce the receiver complexity,a differential space-frequency transmit diversity scheme was developed with a noncoherent detection method based on the frame structure of the time domain synchronous-orthogonal frequency division multiplexing system.

在采用相干检测方法的发射分集方案中，进行信道估计需要付出很高的代价，为了降低接收端的实现复杂度，根据时域同步正交频分复用系统结构的特点，提出了差分空频发射分集及相应的非相干检测方法。

The high BVP percentage reported in the AF group is even more astonishing considering the low use of chronotropic-negative drugs and the lack of use of a ventricular rate regularisation feature, extremely important to ensure biventricular capture in cases of fast irregular rhythm.

在Khadjooi的研究中，在包括阵发性房颤患者的AF的群体中引入了2个重要的偏倚：阵发性房颤患者两心室同步率要高于永久性房颤患者。（AF患者的BVP比例为87%）；阵发性房颤患者的&临床&行为如SR患者。在AF患者群中，接受CRT的正性效果与SR人群相比要差。

When microgrid is operated in islanded mode, VSGs can be divided into non-frequency regulation units and frequency regulation units, the former can generate power and participates in primary frequency control according to dispatching to mitigate system frequency deviation due to disturbances; the latter can offer referential voltage of microgrid and use secondary frequency regulation to implement no-error frequency control.

微电网孤岛运行时，将虚拟同步发电机分为非调频发电单元和调频发电单元，前者既能按照功率调度指令发电，又能参与一次调频，缓解扰动情况下系统频率的波动，后者提供微电网参考电压，并利用二次调频实现频率的无差控制。

Methods To observe synchronization in 7 left bundle branch block patients. 15 right bundle branch block patients and 21 normal subjects by tissue synchronization imaging and tissue tracking, 6 ventricular regional myocardia were assessed.

运用组织同步成像和组织追踪技术，观察7例左束支传导阻滞、15例右束支传导阻滞患者及21例正常人的心肌6个节段的收缩起始时间、收缩达峰时间，计算时间差值和标准差。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。