broadband seismograph是什么意思

用法例句

This wide frequency changed hole and high resistance absober has tested by Zhejiang environment protection and libration control speciality association,the coefficient of sound ab- sorptio.

提出一种穿孔吸声板,用于代替原有的吸声板,不仅可以减少材料的厚度,而且可以提高材料的吸声系数加宽吸声频带,以最大限度的提高经济指标,所研究的宽频变腔高阻吸声板经浙江省环保与振动控制专业协会测试,其吸声系数普遍高于普通微穿孔吸声板。

The main characteristics of their development are “two wide” (wide temperature range, wide frequency range), “two high” (high Bs, high DC-bias performance) and “two low” (low loss, low total harmonic distortion).

综述了近两年来世界各大公司锰锌铁氧体材料技术特性日新月异的进步,指出了该材料系列三大板块(高μ、高Bs、低功耗、高μQ)相互交叉,求新求全发展的动向,总结了新材料两宽(宽温、宽频)、两高(高饱和磁通密度,高直流叠加性能)、两低(低损耗或低功耗、低谐波失真)的技术特点,提出了以现有材料体系为基础的研发思路。

There are few reports about measurement of magnetic field on broad band three-dimensional in time domain.

国内在磁场时域测量方面侧重于单频磁场的测量,宽频磁场三维时域波形的测量研究少见报道。

The Application of Genetic Algorithm for the Design of a Broadband Microstrip Antenna;

遗传算法在优化设计宽频微带天线中的应用

Applied method of broadband technique in underwater acoustic measurement;

水声测量中的宽频技术应用方法

On comprehensively analysing the features of high frequency low loss soft ferrite materials made by world famous manufacturers, performance figures are proposed for broadband low loss soft ferrite materials.

通过对当前世界各大公司高频低功耗软磁铁氧体材料性能特点的综合分析,提出了宽频低功耗材料性能指标。

A Broadband Self-inverse 180° Phase Shifter;

宽频带自反相型180°移相器的研究

Designing methods of broadband absorbing materials;

宽频带吸波材料的设计方法

Designs of single layer broadband microstrip antennas using genetic algorithm;

基于遗传算法的单层宽频带微带天线优化设计