frequency dependence meaning in English
频率相关
频率相依性
频率依赖性
Examples
- Frequency dependence o f somatostatin and calcitonin gene related peptide release induced by electroacupuncture in rat spinal cord
电针频率对大鼠脊髓灌流液中som和cgrp含量的影响 - Xrd , sem , temperature and frequency dependence of dielectric constant , and hysteresis loop were measured to investigate and study structure , microstructure , dielectric and ferroelectric properties of barium titanate dielectric ceramics
应用x光衍射谱、扫描电子显微镜、介电率的温度与频率依存关系以及电滞回线测量，调查和研究所制备的钛酸钡陶瓷的结构、微结构、介电和铁电性质。 - It finds that the radicals generated in plasma control the deposition process and the main bonding configurations of films are dependent on the ratio of cf and cf2 radicals in films . the films composed of cf2 and cc bonds can be obtained at microwave power above 560 w . the frequency dependence of dielectric constant ~ ( f 1 x 10 ~ ? x 106 liz ) ii and dielectric loss tan5 ( f = lxi 02 ? 1 x 1 o5hz ) follow a power law respectively and all show decreasing trends as frequency raised
薄膜的介电频率关系（ f = 1 10 ~ 3 - 1 10 ~ 6hz ）和损耗频率关系（ f = 1 10 ~ 2 - 1 10 ~ 5hz ）均服从指数规律，随频率的增大而减小；对薄膜的电导频率关系的分析表明，这种指数规律的介电色散关系与由缺陷中心之间简单隧穿引起的跳跃导电过程有关。 - The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available . these results pointed out the direction to develop rams " . according to the radar - absorbing model , the optimized design of rams with thin - layer , light - weight , broadband and strong - absorbing is available by the simple genetic algorithms , which can effectively conduct the research work of rams to the detail . small but completely , the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up , the object function has been constructed which conform to the involved goals , the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage , the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness . when decoding , the variable restricting conditions of thickness are dynamically traced , so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient . similary , of thickness and absorber - volume - percentage , of light - weight multiple - layer multiple - ingredient . also , the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function
作为遗传算法的具体实施：根据本实验室近来研制的吸波材料，建立了吸波材料的相关数据库；构造了能真实体现“薄、轻、宽、强”优化目标的目标函数；根据材料的实际数量以及涂层厚度精度要求、吸收剂体积分数精度要求，建立了能动态扩展相应码长的自适应编码方法；首创了通过动态跟踪变量的约束条件来控制涂层总厚度的解码技术，以此实现了在不弱化宽频、高强的吸波性能目标的同时，兼顾到薄层、轻质的使用性能要求；在解码时通过动态跟踪厚度变量的约束条件，实现了多层单组分吸波涂层对重量轻的要求；通过动态跟踪厚度变量的约束条件和吸收剂体积分数的约束条件，实现了多层多组分吸波涂层对重量轻的要求；使用权重系数变化法，实现了吸波涂层的分频段吸波性能要求。