reflection loss meaning in English
反射损耗, 反射损失
反射损失
Examples
- The filters should be cemented together, thus minimizing the surface reflection losses .
为了尽量减少表面的反射损失，应该把这些滤色镜胶合在一起。 - They have high reflection losses and isolates degree , lower insertion loss
具有高的反射损耗和隔离度，较低的插入损耗。 - In the situation that the reflection loss of the duct inwall was not in considering , even condensed the pump beam 100 times , it could realize the output efficiency of more than 70 % , this was that the other coupling way hardly to accomplish
在不考虑内壁反射损耗的情况下,即使将泵浦光束缩束100倍,也能够实现70 %以上的输出效率,这是现有其他耦合方式难以实现的。 - The lichtenecher formula is used to culculate the electromagnetic parameters of radar absorbing coatings which are respectively made up of some adhesive and various radar - absorbing ingredients , the reflection loss formula ( rlf ) applicable to the homogeneous radar absorbing coatings is deduced according to the electromagnetic theory . accdingly , a radar - absorbing model which is proved reasonable is set up applicable to radar absorbing coatings . on the base , the prediction to performance , the electromagnetic analysis and the optimized designs of rams of various thickness , various absorbers and volume percentages are performed by programmed using basic and c + +
本文利用lichtenecker性能加和公式对涂层的等效电磁参数进行了模拟计算和分析，并根据电磁理论详细推导了涂层的反射损耗与其等效电磁参数之间的关系，建立了由胶粘剂和不同种类、不同体积分数的吸收剂组成的多层吸波涂层的吸波模型，并通过实验验证了该吸波模型的合理性。 - 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。