Micro-hotplate temperature measurement system based on radiation power;
基于辐[射]功率的微热板测温系统设计
Simulation results show that the radiation power from a cylindrical shell with circumferential excitation on its one end increases with frequency in the middle and low frequency band.
针对一端受周向均布激励的圆柱壳建立了新的理论模型,结合线激励下平板的有效传递导纳理论对圆柱壳表面的振动响应及声辐[射]功率进行仿真计算和分析,结果表明一端受均布激励作用的圆柱壳表面的声辐[射]功率在中低频段随频率的增大而增加,在临界频率处出现较大的波动,在环频处达到最大值,之后仍有较小波动并略有下降。
It reduces the radiation power of the antenna to 13dbm, which therefore greatly reduces the influence of the radiation on the researchers conducting the experiment.
该系统可使天线辐[射]功率降低至13d Bm ,且工作稳定可靠 ,体积小巧 ,代替原有的实验系统 ,在降低了系统成本的同时也降低了辐[射]功率对实验人员的影
Radiant power of atmospheric radio noise and electric field intensity is computed precisely for given maritime space,and then the computational way of radiant power is given.
就特定海域分析和计算了大气噪声的功率谱密度,同时计算了在保证较高测量精度条件下所需要的最低场强,继而给出了无线电导航系统所需辐[射]功率的计算方法。
The article analyses angle distribution of radiant energy flow density and angle distribution of radiant power when an electric dipole is oscillating along polar axis in magnetic anisotropic medium,also compares them with the expression of that in isotropic medium;thereby,a theoretical basis for more effectly using electric isotropic and magnetic anisotropic medium is obtained.
分析振荡电偶极子在各向异性磁媒质中沿极轴振荡时其辐射能流密度的角分布和辐[射]功率的角分布情况,并与各向同性媒质中振荡电偶极子沿极轴振荡时辐射能流密度的角分布和辐[射]功率的角分布情况进行对比,得出更有效地利用电各向同性磁各向异性媒质的理论依据。
Calculates the energy flux density of elliptic-polarization electric dipole radiation based on the theory of electric dipole radiation, and, further, the radiant power of the electric dipole; discusses the electromagnetic radiation of the triphase alternator which is treated as a special case.
基于电偶极辐射的理论基础，导出作椭圆振动的电偶极辐射在远场辐射区的能流密度，进而求出辐[射]功率。
Measuring radiated power and field strength from UHF ISM transmitters;
UHFISM波段发射器的辐[射]功率和场强测试
In the band 25 MHz-4 GHz,the input impedance,reflection coefficient,antenna gain,radiated power,and directivity of V-shaped antennae with angles of 30°,45°,60°,90°,and 180° were compared and analyzed.
采用基于RWG(rao wilton glisson)边元建模、RWG基函数的矩量法求解蝶形天线表面电流,得到天线的性能参数,比较分析了天线两臂夹角分别在30°、45°、60°、90°、180°(平面结构)时,频带在25 MHz~4 GHz内天线的输入阻抗、反射系数、增益、辐[射]功率及方向性。
The current expansion of GaN-based LED is very important to the characteristics of devices.
制作环状N电极的器件在正向电压、总辐[射]功率、器件老化等特性方面较普通的电极都有很大的提高。