短波

high frequency

短波

[摘要]对短波(High Frequency)通信的进展和特点进行了介绍,并依据软件无线电思想,提出建立双信道的宽带侦测系统对短波跳频(Frequency Hopping)和直接序列扩频(Direct Sequence)及常规通信信号进行侦测.

HF high frequency

短波

HF, harmonic filter 高調波フィルタ | HF, High Frequency 短波 | HF, high frequency 短波

short wave communication

短波通信

短波传播 short wave propagation | 短波通信 short wave communication | 短路保护 short-circuit protection

short wave communication

短波通讯

Short Wave Field Strength 短波场强 | Short Wave Communication 短波通讯 | Shoreline Displacement 海岸线位移

short wave propagation

短波传播

端到端业务 teleservice | 短波传播 short wave propagation | 短波通信 short wave communication

short wave transmitter

短波发射机

short wave receiver 短波接收机 | short wave transmitter 短波发射机 | shortening condenser 缩短电容器

short wave transmitter

短波发送机

"short wave oscillator","短波振荡器" | "short wave transmitter","短波发送机" | "shower","喷水器"

short-wave radiation

短波辐射

short wave 短波 | short wave radiation 短波辐射 | shortness 脆性

short-wave receiving station

短波收信台

short-wave receiving antenna 短波接收天线 | short-wave receiving station 短波收信台 | short-wave transmitter 短波发信机

short wave telegraph telephone transmitter

短波报话发射机

short wave SSB transmitter 短波单边带发射机 | short wave telegraph telephone transmitter 短波报话发射机 | short wave therapy apparatus 短波治疗仪

French Fifth Republic：法蘭西第五共和

Freight rate 运费率 | French Fifth Republic 法兰西第五共和 | Frequency 次数;频率

cartographic communication：地图传输 地図通信

■ cartographic analysis 地图分析 地図分析 | ■ cartographic communication 地图传输 地図通信 | ■ cartographic data 制图数据 地図データ