narrow frequency

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数据更新时间:2026-08-22 22:18:38
1、

many bats emit an echolocation call that contains a narrow frequency range and then analyze returning echoes to navigate and to detect prey.

许多蝙蝠会发出频率范围狭窄的回声定位呼叫,然后分析回声来作导航与侦测猎物。

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2、

based on t type filter, the new ballast can achieve a wide dimming range with a very narrow frequency variation range, and it can operate with low lamp current crest factor.

基于T型滤波器的调光方法,能在很窄的工作频率范围内实现深度调光,同时具有灯电流波峰因数低的优点。

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3、

Then, by analysing time and frequency domain characteristics, the bottleneck of dynamic response of turbine flowmeter is the long time constant of transfer function and narrow frequency band which make high frequency signal be filtered.

然后,通过时域特性和频域特性同时分析出影响涡轮流量计动态响应的瓶颈是传递函数的响应常数较长,频带较窄,不能将高频信号检测出来。

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4、

narrow frequency and sharp angular defect mode of one-dimensional photonic crystals in visible and near-infrared

可见光波段一维光子晶体窄频带锐角度缺陷模

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5、

such assumptions sometimes may result in narrow frequency band, large time delay and unstable system.

这样得到的控制系统频带较窄、时滞大,还有可能出现控制系统不稳定。

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6、

Several shortcomings of SRR suggested by Pendry resist the practice of LHM. The composite structure of SRR and wires has the disadvantages of high loss and narrow frequency band.

Pendry所提出的应用SRR和金属线实现的左手媒质结构有几个明显缺陷,高损耗,窄频带,相对大的结构尺寸使得这个结构还不能进入实用阶段。

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7、

performance of linear compressor is sensitive to working frequency , and only in a narrow frequency band it has higher efficiency.

直线压缩机的性能受到系统工作频率的影响,只在较窄的工作频率范围内有较高的效率,存在最佳效率点。

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