低频吸波性能,low-frequency microwave absorption
1)low-frequency microwave absorption低频吸波性能
1.Some researches have indicated that micron-size pure lithium zinc ferrite(LiZn ferrite) prepared by solid-state reaction method have goodlow-frequency microwave absorption.借助反应动力学和铁磁共振理论,研究了热处理工艺参数对其低频吸波性能的影响,发现最终煅烧温度决定颗粒粒径,不同的升温速率影响后期煅烧过程中锂和锌的实际汽化损失量,而纯锂锌铁氧体的实际颗粒大小和物相组成会对其由铁磁共振引起的低频微波吸收产生影响。
2)low frequency performance低频性能
1.Evaluation method oflow frequency performance of audio frequency amplifiers by tone burst signals;音频放大器低频性能的短纯音信号评测法研究
英文短句/例句
1.Study on Low-frequency Characteristic of Sound Absorption Layer by Embedding Viscoelastic Coated Material嵌入粘弹性包覆层的吸声覆盖层低频性能研究(英文)
2.Design of High Performance and Low Consumption Ratio Frequency Power Amplifier;高性能低功耗射频功率放大器的设计
3.A CMOS Low Voltage High Performance Mixer;CMOS低电压高性能混频器的设计
4.Effects of alloying on damping capacity of Cu-Zn-Al alloy at low-frequency合金化对CuZnAl合金低频阻尼性能的影响
5.Minimum performance requirements for high fidelity audio amplifiersGB/T14200-1993高保真声频放大器最低性能要求
6.Minimum performance requirements on high fidelity FM radio tunersGB/T15294-1994高保真调频广播调谐器最低性能要求
7.Synthesis and Microwave Absorbing Properties of Low Frequency Absorber;低频微波吸收剂的优选、制备及性能研究
8.Study on Structure and Mechanical Properties of Polyolefine Melt under Low Frequency Vibration Field;聚烯烃在低频振动场中的形态及性能研究
9.Oxygen Transport Property and Low-Frequency Internal Friction Behavior of Oxygen Separation Membranes Materials;氧分离膜材料的输运性能及低频内耗研究
10.Research on Internal Friction of Porous Ni-Ti Shape Memory Alloys;多孔Ni-Ti形状记忆合金低频内耗性能测量研究
parison of three methods of calculating low frequency ground-wave propagation over irregular terrain不规则地面低频地波传播预测方法的性能比较
12.Nonlinear Excitation Regulator’s Ability to Suppress Low-frequency Oscillations非线性励磁调节器抑制低频振荡的能力
13.High performance differential CMOS LNA design for low-IF GPS receiver用于低中频GPS接收机的高性能CMOS差分低噪声放大器设计(英文)
14.Measurements of the electrical properties of transmitting tubes-Method of measuring the non-linearity in the luminance of the lower frequencyGB/T3789.29-1991发射管电性能测试方法低频亮度非线性的测试方法
15.High attenuation to low frequency,excellent perform ance of common mode and differential mode interfere nce suppression.极佳的低频段衰减特性，具有良好的共模和差模干扰抑制性能。
16.Transition in Structure and Properties of Ferromagnetic Materials Caused by a Low Frequency Alternating Magnetic Field;低频交变磁场作用下铁磁性材料组织性能变化规律的研究
17.Low and intermediate frequency instability models are taken up first.首先处理低频和中频不稳定性的模型。
18.diesel fuel-assessment of lubricity using the high-frequency reciprocating rig(hfrr)-limit柴油-高频往复设备(hfrr)用润滑剂性能评定-最低要求
相关短句/例句
low frequency performance低频性能
1.Evaluation method oflow frequency performance of audio frequency amplifiers by tone burst signals;音频放大器低频性能的短纯音信号评测法研究
3)absorbing property吸波性能
1.The impact of magnetizing treatment on theabsorbing property of the absorbing coat;磁化处理对吸波涂层吸波性能的影响
2.The influence of the fiber absorber"s conductivity,the fiber content and the thickness of foam screed on the foam material"sabsorbing property was discussed by studying theabsorbing property of the polyurethane foam filling with a kind of conductive short fibers.通过对一种含导电短纤维的聚氨酯(PUR)泡沫塑料吸波性能的研究,探讨了纤维吸收剂的电导率、含量和泡沫塑料试样厚度对PUR泡沫塑料吸波性能的影响。
3.By analysing the absorbing properties of polyurethane foam plastic filling with carbon fiber, carbon fiber/fiberⅠ, carbon fiber/ fiber Ⅱ, the influence of fiber type, content and screed thickness onabsorbing property of the plastic sample plate were discussed.通过对碳纤维、碳纤维/纤维Ⅰ和碳纤维/纤维Ⅱ分别填充的硬质聚氨酯泡沫塑料的吸波性能的研究,探讨了纤维类型、纤维含量、样品厚度的相关变化对塑料样板吸波性能的影响。
4)absorbing properties吸波性能
1.Study of magnetic and conductive polyaniline on microwave electromegnetic parameters andabsorbing properties;兼具铁磁性的导电聚苯胺复合物电磁参数及吸波性能的研究
2.Electromagnetic parameters of different volume of SiCf and PIF orientated RAM are measured by the free-space reflection method and effects of fiber volume on the electromagnetic parameters are analyzed,as well asabsorbing properties are calculated with the measured electromagnetic parameters by theory,and the results of computation are verified by the experiments.采用自由空间反射法,分别对不同体积分数的碳化硅纤维和铁纤维吸波贴片的电磁参数进行了测试,对纤维的体积分数对电磁参数的影响规律进行了分析,同时,根据测试的电磁参数和各向异性反射理论对纤维的体积分数对吸波性能的影响进行了理论计算和实验验证。
3.Theabsorbing properties of FSS absorbers were investigated with finite element method and the results showed that the sheet resistance of FSS unit cell,the parameter p,parameter a and the thickness of dielectric layer were all able to affect theabsorbing properties.采用有限元软件对吸波性能进行研究。
5)microwave absorbing property吸波性能
1.Microwave permittivity of carbon microcoils(CMCs) andmicrowave absorbing property of CMCs/Epoxy composite;微螺旋炭纤维的微波电磁参数及其环氧复合材料的吸波性能研究
2.Themicrowave absorbing property of coating that was made up of Mn-Zn ferrite nanocrystalline was characterized.结果发现:与非纳米(微米级)吸波剂相比,纳米Mn-Zn铁氧体吸波剂的吸波性能显著高于前者。
3.The experiment results showed that the composites materials with core/shell structure exhibits excellentmicrowave absorbing property.5~20GHz频段内测试了材料的吸波性能。
6)absorption properties吸波性能
1.Preparation and microwaveabsorption properties of(LiFe)_xZn_(1-2x)Fe_2O_4;(LiFe)_xZn_(1-2x)Fe_2O_4铁氧体的吸波性能研究
2.Study onabsorption properties of carbon nanotube/mulberry fiber composites;碳纳米管/桑皮纤维复合材料吸波性能研究
3.Microwaveabsorption properties of copper coated composites;铜镀层复合材料的吸波性能
延伸阅读
低频1.指应用于某一技术领域中的最低频率范围。例如，无线电波段中，将30～300千赫范围内的频率称低频;电子放大电路中，将接近音频(20赫兹～2万赫兹)的频率称为低频。
