cut off frequency
截止频率：在物理学和电机工程学中
常用释义
英式发音
美式发音
基本释义
- 截止频率：在物理学和电机工程学中，一个系统的输出信号的能量通常随输入信号的频率发生变化（频率响应）。截止频率是指一个系统的输出信号能量开始大幅下降（在带阻滤波器中为大幅上升）的边界频率。
例句
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1·Cut off frequency is the main factor influencing frequency properties of electrode circuits of common emitter, common base and common collector.截止频率是影响共发射极、共基极和共集电极电路频率特性的重要因素。
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2·The simulation result shows that the dynamic response and the detection precision in detection circuit can be greatly influenced by the cut-off frequency, order and type of low pass filter.结果表明，低通滤波器的截止频率、阶数和类型对检测电路的动态响应过程、检测精度都有很大影响。
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3·Using this model, the parameters of HEMT such as channel conductance, transconductance, gate capacitance, and cut-off frequency are derived.由本文模型还推导出了HEMT沟道电导、跨导、栅电容和截止频率等微波参数表达式。
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4·The characteristics of the test signals were analyzed and weak defect echo signals were successfully extracted by cut-off frequency technique.分析了检测信号的特征，并采用截止频率法成功地提取了微弱的缺陷回波信号。
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5·The filter features high cut-off frequency and the fabrication process is compatible with MOS process.该滤波器具有高截止频率、与MOS工艺兼容、便于单片集成等优点。
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6·The results show that there exist attenuation in all propagation modes along viscoelastic cylindrical tube, and higher-order propagation modes haven't cut-off frequency.分析结果表明与弹性圆柱管相比粘弹性圆柱管中轴对称波的各阶传播模式均存在衰减，高阶传播模式并无严格意义的截止频率。
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7·It can successfully recover the information out of the cut-off frequency so that we can get more details of an image and enhance image resolution.它可以成功恢复截止频率以外的信息，增加图象细节，从而提高图象分辨率。
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8·When intensity of the atmospheric turbulence becomes stronger, or the cut off spatial frequency of the adaptive optics system becomes higher, the influence of transverse wind becomes stronger.大气湍流的强度越大，自适应光学系统的截止频率越高，横向风的影响也越大。
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9·The thickness of collector is one of the factors that limit cut-off frequency in microwave bipolar transistors.在微波双极型晶体管中，收集区的厚度是影响其截止频率的一个重要因素。
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10·The results show that permeability decreases and cut-off frequency increases with the increase of DC bias. Permeability varies linearly in the certain range.研究表明：偏置直流的增加，降低了材料的磁导率，提高了截止频率，并且在一定偏置直流范围内，磁导率呈线性变化。