This thesis derives the expression of average delay that CR user searches the first idle channel and discusses the impact of waiting time to average delay.

This thesis optimizes sensing periodicity vector to maximize channel usage of CR user and derives the formulation of idle channel usage.

本文分析优化了检测周期向量来最大化认知用户对空闲信道的利用率，给出了空闲频谱利用率的数学推导过程。

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The Idle Channel Noise of Oversampling Process and its Elimination

过取样的空闲信道噪声及其消除

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Theory and simulation results proved this strategy can significantly improve the throughput of secondary network and utilization of idle channel.

理论和仿真结果都证明了该策略能显著提高二级网络吞吐量和空闲信道利用率。

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To reduce energy consumption in listening to an idle channel, nodes periodically sleep.

为减少监听空闲信道的能量消耗，节点周期性的睡眠；

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I guess it's getting to me a little more than I thought.

我想它对我情绪的影响比我想像中更大一些。

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Theatre once cost little more than cinema but no longer.

在剧院的花费曾比电影院高一些，但现在已经不是了。

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There's only a little more than a week of this term left.

◆这学期就只有一个多礼拜的课了。

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He was little more than a walking mathematical formula.

他几乎就是一个活的数学公式。

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He was little more than a child when his father died.

他父亲去世时，他差不多还是个孩子。

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They say the new product will cost a little more than other carrots.

他们说新产品比其他胡萝卜的价格要高一些。

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The mission lasted a little more than two days.

这个任务持续了两天多。

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Been in the private sector a little more than 4 years now.

现在在私营安保公司干了超过四个年头。

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It was a little more than that.

比这稍微复杂那么一点。

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Give a little more than you have to.

给予超过你能力的范围。

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The business was little more than a financial black hole.

这个企业只是财政上的无底洞罢了。

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I think we need a little more than that, no?

我想我们还应该有更多的依据，不是么？

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I am also a little more than one!

我的也是一个多一个少！

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The President will be little more than a figurehead.

总统将不过是个傀儡而已。

柯林斯高阶英汉双解学习词典

Signing the forms is little more than a formality.

在那些表格上签名只是一种形式。

《牛津高阶英汉双解词典》

The rides are free.

免费乘坐。

《牛津高阶英汉双解词典》