2) secondary path
次级通道
1.
An improved filtered x-LMS algorithm based on feedforward damping compensation of secondary path
基于次级通道前馈等效阻尼补偿的改进滤波x-LMS算法
2.
Multiple models are set up to cover the uncertainty of the real secondary path to deal with a grand uncertain secondary path problem in active noise control(ANC).
针对有源噪声控制中次级通道存在很大不确定性的问题,建立次级通道模型集以覆盖次级通道的不确定性,每个模型都有一个相对应的采用Modified FXLMS算法进行权值更新的自适应滤波器。
3.
Damping characteristics of secondary path have great effect on stability and convergence rate of filtered x-LMS algorithm.
次级通道阻尼特性对滤波x-LMS算法稳定性和收敛速度有较大影响。
3) secondary path
次级通路
1.
An investigation of secondary paths and its applications into the implementation of active control;
次级通路特性及对有源控制算法的影响
2.
In conventional ANC (Active Noise Control), the secondary path is usually modeled by an FIR filter with many coefficients, which is not easy to the realization and application of ANC.
在自适应有源控制中,次级通路建模对控制器算法实现有着重要的影响。
3.
In the implementation of active noise control,it is very important for accurate secondary paths modeling to keep the stability of the control system.
在有源噪声控制系统实现的过程中,次级通路建模精度对有源控制算法实现、系统的稳定性及降噪量都有重要影响。
4) SPF
普通级
1.
A Comparative Study on Temperature in Conventional and SPF Rabbits;
普通级与SPF级家兔体温变化的比较
5) general solution expansion
通解级数
1.
In this paper,three types of asymptotic boundary conditions (ABC)are derived according to the general solution expansion of 2-D Laplace equation,and then these boundary conditions on the artificial circular boundary are respectively introduced into corresponding finite element varitional problems.
根据二维拉普拉斯方程的通解级数,推导出圆形人工边界上的零阶、一阶和二阶渐近边界条件,并将它们与有限元法结合,使得在求解区域不大情况下的二维静电场计算结果仍保持足够高的精度。
6) Two-Grade Communication
二级通信
补充资料：通用级聚苯乙烯
通用级聚苯乙烯是由苯乙烯单体进行本体或悬浮聚合反应制得。结构式如图。平均分子量(20-30)万。无色透明颗粒，无臭、无味、无毒。具有良好的刚性、光泽性和耐化学性。折射率1. 59-1．60。热变形温度70-98 ℃，使用温度60-80 ℃，脆性温度一30℃。尺寸稳定性好，收缩率约为0．45％。吸湿性低，约为0．02％。溶于丙酮、甲乙酮、苯、甲苯、醛醛乙酯、氯仿、环己烷、二氧六环、吡啶、四氢呋喃、二硫化碳等有机溶剂。不溶于低级醇、乙醚、脂肪烃、某些矿物油、有机酸、碱、元机盐等。容易着色，电性能优良。脆性大，不耐冲击，容易燃烧。
相对密度 1.04～1.09；冲击强度（kJ/m2) 16；弯曲强度＞80MPa；马丁耐热＞68℃。
贮存于阴凉、通风的库房内，防火。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条