This paper analyzes the energy transfer process between the Er3+ and Tm3+ ions of Er-Tm co-doped tellurite fiber amplifiers pumped at 980 nm,sets up the rate and power propagation equations and obtains by simulation the law of variations of its amplification gain with the fiber length and pump power.

Movement control algorithms for realizing the balance of transmission power for sensor networks;

By means of raising the capacitance to the ground of the conductors and reducing the wave impedance of the conductors,the basic theory for raising transmission power of the transmission .

The dependencies of the transmission power spectra on the inclination of the field, the interval of the double layered waveguided YIG films as well as the magnetization of the film were obtained by the numerical calculation.

This paper analyzes the fundamental cause of power transmission character variety of radome under high temperautre condition.

The two kinds of bifurcation(SNB and HB)and their corresponding power transmission limits are introduced.

To study the influence of air-core superconducting transformer parameters on the performances of SFCL,theoretical analysis is carried out with the initial compensation current,current - limiting impedance under different operation modes and power transmission of PWM converter as performance indexes.

The solutions to the field distribution, dispersion relation and propagation power of a TE waveguided by a multi-layer dielectric wavwguide consisting of Kerr-type nonlinear slabs in the equation are presented.

Sinusoidal steady-state maximum average power transfer theorem is important content in circuit teaching.

The controllers of two VSCs are designed,and through the feedforward control,accurate regulation of power transfer is achieved.