high frequency中文什么意思

【无线电】高频(率)，高周率〔略作 H.F.〕。

• high:    adj. 1.高的〔指物，形容人的身 ...
• frequency:    n. 1.屡次，频仍，频繁。 2.( ...
• high-frequency:    高频（率）的；高周波的; 高频的; ...

例句与用法

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1. The high frequencies are attenuated .
   高频成分被削减。
2. The waveform is onticeably less rich in the higher frequency .
   这样的合成波形明显地缺乏较高的那一频率。
3. The high frequencies are not emitted, the effect of frequency-selective propagation is not very apparent .
   没有激发高频，频选传播不很明显。
4. High frequency gusts are usually measured by high response research-oriented anemometers .
   高频突风通常是用高速响应的研究性定向风速计测量。
5. The time harmonics can be considered as voltages of higher frequencies applied to the windings .
   时间谐波可以看作是施加在绕组上的较高频率的电压。

英文释义

名词

1. a pitch that is perceived as above other pitches
   同义词：high pitch
2. 3 to 30 megahertz
   同义词：HF

百科释义

High frequency (HF) radio frequencies are between 3 and 30 MHz. Also known as the decameter band or decameter wave as the wavelengths range from one to ten decameters (ten to one hundred metres).