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- atmospheric transmission band 大气透射带
- atmospheric transmission bands 大气透过带
- The bigger the refractive index ratio of two primitive dielectrics of one-dimensional photonic crystals is,the narrower the transmission band is. 一维光子晶体的两基元介质折射率比值越大,产生的透过带越窄;
- After researching on the atmospheric transmission characteristic and light source characteristic, a modulation system based on 2FSK has been developed. 通过对大气传输特性、光源发光特性的研究,研制出一套基于二进制移频键控(2FSK)方法的调制系统。
- This paper points out that if the f s=2f sc of sub-Nyquist Sampling and DPCM_encoding is used for TV signal, the bit rate may be more compressed and transmission band is reduced. 本文指出,若在有效区内对电视信号采用亚奈奎斯特取样,并采取DPCM编码,就可以大大压缩码率,降低传输带宽。
- Based on the atmospheric transmission model, through the actual ray track, the zenith angle is revised, which is a complicated function with launch angle and altitude. 摘要基于大气传输模型,采用光线传输的实际轨迹对天顶角进行修正处理,得出天顶角随发射角和传输高度的变化复杂函数。
- effective transmission band of channel 通路有效传输频带
- Study on the Atmospheric Transmission of the Laser 激光的大气传输问题研究
- atmospheric transmission characteristic 大气传输特性
- Hydraulic and atmospheric transmission 液压与气压传动
- Laser Atmospheric Transmission Test 大气层激光传输试验
- Devices with multiple transmission bands are designed in three ways: intermixture, mixture, and remotely couple surface plasmons. 利用混成排列、分开混成排列、远控式表面电浆,成功的设计了宽穿透带与多穿透带的光电元件。
- We also discuss the analyzing method for the expen se of network transmission bands, which is the basis for designing DIS network. 并讨论了协议数据单元PDU对网络带宽资源的开销分析方法,以便于系统组网设计。
- Infrared Atmospheric Transmission Measuring System 红外大气传输测量系统
- To further verify transmission bands were caused by positive refractive index or negative refractive index, the Snell refraction experiment was taken. 为了确定功率透射实验中出现的两个透射峰是由正折射率引起还是负折射率引起的,随后又进行了棱镜实验。
- effective atmospheric transmission 有效大气透射
- optical atmospheric transmission system 光大气传输制
- Firstly, the transmission measurement in the parallel-plate waveguide was carried out and there existed two transmission bands at 7.8GHz-9GHz and 10GHz- 13GHz. 在进行了平行板波导中功率透射实验后,发现在7.;8GHz-9GHz和10GHz-13GHz频率范围,各存在一个透射峰。
- The water-vapour transmissivity is measured by aspectral radiometer and the water vapour content is obtained by our calculationprogram of infrared-radiation atmospheric transmissivity. 水汽透过率用辐射计测量,水汽含量由我们自行编制的红外辐射大气透过率计算程序计算。
- What's the atmospheric pressure today? 今天的气压怎么样?