查询词典 at the threshold of

The packet error rate and channel estimation are used to compute the adaptive threshold in order to maximize spectral efficiency under given delay and error performance constraints.

该技术结合了传统物理层自适应调制和链路层自动请求重发，利用链路层的误包率和信道估计参数计算自适应调制门限，在系统给定时延和误包率约束的基础上最大程度地提高了频谱利用率。

So we can get higher spectrally efficiency. We first analyze the performance of adaptive turbo coded modulation based on fixed threshold, and point out its disadvantages.

论文最后在自适应OFDM中引入Turbo编码调制，以期在获得自适应性能增益的同时亦获得Turbo编码增益，从而获得更高的频谱利用率性能。

The correlativity between nL and the chromato- graphic retain index of the ester in spirituous liquors, and the threshold value of the ketone in tea are dis- cussed.

定义一个新的拓扑指数nL，并探讨nL与食品香味物质酯、酮的色谱保留值、香气阈值之间的依存关系。

The configuration page also sports a control to hide comments that are obvious spam (the threshold can be set manually).

配置页面还体育一个控件隐藏评论，是明显的垃圾邮件。

The new algorithm has better performance in stable convergence rate, convergence speed, and threshold sensitivity compared with traditional fuzzy clustering algorithm.

该算法在收敛稳定性、收敛速度、初值敏感性方面，相对于传统模糊聚类算法有了明显改善，相关实验表明，该算法具备高效、稳定的工程应用价值。

The simulation results show that the scheme is more stable in convergence, insensitive to threshold parameters, less on loss and advantageous to the new agent to join the network during emergence of virtual community.

实验表明，该方法具有评价结果稳定收敛，对门限参数敏感度低，虚拟社区形成过程中损失小，有利于新加入节点融入网络的优点。

There was a temporary rise in the stamp-duty threshold to 250,000 ($373,000) for first-time buyers (evidently identified by Labour as a key electoral demographic).

对于首次购买者（工党显然把这个看作是选举人口统计学的关键点），暂时将印花税门槛提高到25万英镑（37.3万美元）。

We apply this mixed-threshold voltage methodology to establish our 90nm low power standard cell library.

我们利用这种混合临界电压的方式来建立90奈米低功率标准元件库。

Von Frey ligament test showed pain threshold on ligation side was lowered starting from post operation 4th week and lasted till the end of experiment.

Von Frey疼痛反应在56天组别中，其高峰期於第4 周时出现并维持至实验结束。7天及14天组Von Frey疼痛反应呈现上升的趋势。

This test apparatus is able to measure the drain-source breakdown voltage, static drain-source on resistance, gate threshold voltage, forward transconductance and input capacitance of power MOSFET accurately, which has been applied in practice.

所设计的功率MOSFET测试仪可以进行功率MOSFET的耐压、沟道电阻、开启电压、跨导及输入结电容几个参数的精确测量，并已实用化。

Alternatively, the con- trollers can use the synchronous rectifier itself or loss- less inductor current-sensing methods to provide overload protection with lower power dissipation.

另外，康威特罗勒斯可以使用同步整流器本身或亏损减少电感电流检测方法，以提供低功耗过载保护。

Mr. Dauber's other Schatz hangs in his home movie studio.

多伯把沙兹的另一件作品挂在家里的电影室。