正交频率数字复用 Orthogonal Frequency Digital Multiplexing
交*频率 crossover frequency
正交频率分组 OFDG
正交频率和码分复用 OFCDM
正交频率数字调制 orthogonal frequency digital modulation
正交频率码分复用 OFCDM
正交频率部门多任务 orthogonal frequency division multiplex
相位交越频率 phase-crossover frequency ; crossover frequency
增益交越频率 gain-crossover frequency ; crossover frequency
正交频率分割多路复用 multi-band orthogonal frequency-division multiplexing
这种硅条自然的震动于3.145 MHz的频率，不过当施加一个交变电流的时候，它的震动会变快或变慢。
This bar naturally vibrates at 3.145 MHz, but apply an alternating voltage and it vibrates more quickly or slowly.
本智能磁场测量系统既适合测量直流磁场，又可测量交变磁场，且体积小，性能高，适用频率范围宽。
It can not only measure DC current magnetic field but also alternative current magnetic field. This system has small volume, high capability, and wide frequency range.
研究了在交变磁场作用下磁场频率变化对7050铝合金小型方坯静态成型铸坯熔体的弯液面、显微组织以及元素分布的影响。
The effect of alternating magnetic field frequency on the meniscus, microstructure and element distribution of the static formed ingots of minitype square billet of 7050 aluminium alloy.
应用推荐