The change in the absorbed power, reflected power and transmitted power of the electromagnetic wave with collisional frequency of electrons and neutral atoms in plasma from 0.1～10GHz,is calculated,in the condition of the uniform plasma with density of 10 10 or 10 11 cm -3 and depth of 10cm,and the non uniform plasma with density distribution of n=n 0 exp and depth of 10cm,respectively.
The response of the grease stain thickness in petroleum pipelines using the amplitude spectrum of the transmitted γ-ray was studied. The simulated experimental device consists of a collimating beam of 137Cs γ-ray and a collimating NaI(Tl)scintillation detector.
In order to research the behavior of phases formation in Al-Fe-V-Si system alloy, the microstructures of Al-8.5Fe, Al-8.5Fe-1.7Si, Al-8.5Fe-1.3V-1.7Si (mass fraction, %) were examined by optical microscopy, X-ray diffractrometry and transmitting electron microscopy.
On the basis of Biot's dynamic theory for liquid-saturated porous solid, in this pa-per, the formulae are deduced for reflecting coefficients and transmitting coefficients on the in-terface between liquid-saturated porous solid and solid while P1 wave is incident at differentangles.
Age-hardening and precipitation behaviors of Al-3.0%Cu alloy and Al-3.0%Cu-0.3%Sc alloy at 150,200,250,300,350 and 400 ℃ were investigated by measuring of Vickers-hardness and observation of transmission electron microscopy(TEM).
The experimental results show that the tuning capability of Rb-FROF by changing the magnetic field is about 100GHz/T,the coefficient of transmission more than 40%,the bandwidth 0. 001nm￣0. 01nm,and the rejection better than 10￣(-4).
The channel parameters are estimated and transmitted signals are jointly detected by a simple recursive algorithm derived from the EM/SAGE algorithm.
The first is that the decision threshold of RAKE is dynamic for different channel environments; the other is that we can improve the traditional TH-PPM modulation, which is, encoding the transmitted data symbol with balance code.
A substation system requires that communication be transmitted reliably, accurately and in real-time.
A practical 8 × 10 Gb/s 2 560 km transmitted experiment was conducted in straight line with these different modulation formats mentioned above and the experiment results show very good agreement with the result of computer simulation.
The results also show that CSRZ will help to optimize the transmitted results and reduce the transmitted penalty further.
The result proves that the mobile station of WCDMA cannot provide the required transmitting power on the specified frequency band and data rate, and the symmetrical capacity in an up-downlink cannot meet the requirement of a mobile Internet.
It can be used for transmitting power and locomotion between two shafts, which are upright and cross in a micro space.
Like the phosphatidyl inositol cycle, the sphingomyelin cycle produces a series of the secondary messengers transmitting extracellular signals from the cytoplasmic membrane into the nucleus.
The results of this study implicate a crucial role of redox signaling in transmitting anti-death signal.
To fulfill these objectives, the WHISPER uses the two long double sphere antennae of the Electric Field and Wave experiment as transmitting and receiving sensors.
A new kind of transmission-type spherical gear called 'ring involute spherical gear mechanism' is introduced.
To recover the vehicle's kinetic energy maximally, braking shift rules for a mild hybrid electric vehicle (HEV) equipped with automatic manual transmission (AMT) are brought forward and effects of transmission ratios are considered.
A possibility of monitoring a current state of transmission shafts on the basis of an adaptive system with a reference model is considered.
Specific Effect Induced by Subminute Amounts of Ascorbic Acid on the Fluctuations of Transmission Factor of Water in the Infrare
The coefficients of transmission and reflection of surface gravity waves from the floating plates are calculated.