high-very-high frequency的意思|示意

Electrical testers are widely used, but they are facing challenges from high-density PCB assemblers and very high frequency boards' testing tasks.

但是，电气测试仪将面临高密度pcb和甚高频电路测试的挑战。

Theory analysis and simulation show it's output performance is better than traditional SVPWM, when the output frequency is not high, switch frequency is very high and dead zone is considered.

理论分析和仿真结果表明，在输出频率不是很高，开关频率非常高，且考虑到死区的影响时，基于新型空间矢量选择模式的逆变器具有比传统SVPWM更好的输出特性。

Very low loss at high frequency, suitable for high current.

高频损耗小，适用于大电流。

The shortcoming of traditional filter media, such as high and fluctuating resistance, low efficiency for very small size dust, high frequency of regeneration etc.

使用传统滤料的袋式除尘器在操作过程中存在过滤阻力高且随时间波动大、对于微细粉尘过滤效率低、反清洗频率高等缺点。

High frequency Electronic Technology experiment book, very good high-frequency experimental data, can be used as high-frequency reference.

高频电子技术实验书，非常好的高频实验资料，可作为高频的参考资料。

The technology of DDS has many values, such as the speed of hopping frequency is very high, the resolving power of frequency is also high.

这种直接数字式频率合成技术(DDS)具有频率值转换速度快、频率值分辨率高、控制频率的相位值连续等优点。