In order to decrease the energy spread and to get a small traverse emittance as well as high brightness of the electron beam in the injector of the FEL, a cell s microwave gun scheme adopted the technique of the harmonic cavity is presented.
为了使自由电子激光器的电子束注入器具有小的能散，小的横向发射度、高的亮度，本文提出在 腔的微波电子枪中采用混频腔技术，并用解析方法研究了混频加速的 腔方案的动力学特性，所导出的表达式说明此方案能改善束流的纵向和横向粒子动力学性能；为了对比，还借助于ＰＡＲＭＥＬＡ程序对此方案进行了束流动力学模拟，结论与导出的解析表达式结果一致。
Five type graded Al-N/Al absorbing coatings with closer solar absorptane a and different normal thermal emittances εn around 0.
制备的五种多层铝一氮／铝吸收涂层，具有相近的高太阳吸收率，而法向发射率εｎ在０。
Measuring method for normal total emittance of infrared heater
GB/T7287.9-1987红外辐射加热器全法向发射率测量方法
Measuring method for normal spectral emittance of infrared heater
GB/T7287.10-1987红外辐射加热器光谱法向发射率测量方法
Test method for normal spectral emittance of metals and nonmetallic meterials
GB/T7286.2-1987金属与非金属材料光谱法向发射率试验方法
Test method for total normal emittance of metals and nonmetallic materials
GB/T7286.1-1987金属与非金属材料全法向发射率试验方法
underwater emission-and direction frequencies
水下发射和定向频率
THE STUDY ON THE MEASUREMENT OF TOTAL HEMISFHERICAL EMITTANCE AND DIRECTIONAL ABSORPTANCE
半球向全发射率和定向吸收率的测试研究
The Dominant Direction on Trap Shooting is Improving the Hitting Accuracy of First Shot;
提高多向飞碟射击首发命中率是主导方向
Comparison of Monostatic Signal Processing in Blackbody Emissivity Measurement
黑体发射率单站散射测量数据处理方法比较
Method of ZigBee Transmitting Power Self-optimizing Based on CC2430
基于CC2430的ZigBee发射功率自寻优方法
A Research on the Technology of ULF Transmimting Antenna and Equal-directional Power Radiant
超低频发信天线及其全向等功率辐射技术
Measuring Refractive Indices of Isotropic Solid Using Brewster Angle Method
用布儒斯特角法测量各向同性固体的折射率
equivalent isotropic radiated power
等效无方向辐射功率
Limits of maximum permitted spurious emission power levels and methods of measurement for radio transmitters
GB13421-1992无线电发射机杂散发射功率电平的限值和测量方法
shoot forth or launch, as if from a catapult.
向外射，似从弹弓上发射。
Study on Infrared Emissivity of Al-Doped ZnO Thin Films Prepared by Sol-Gel Process;
Sol-Gel法制备ZAO薄膜及其红外发射率研究
Transmit Power of Interrogations Controlling Method in TCAS
机载防撞系统中问询发射功率的控制方法
Fabric IR emissivity as measured by IR thermal-imaging technology
基于红外热像技术的织物红外发射率测量方法
Power allocation algorithm of multiple space-time transmit diversity in MIMO wireless systems
MIMO无线系统多空时发射分集功率分配算法