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1981 Vol. 3, No. 2
Display Method:
1981, 3(2): 65-71.
Abstract:
The results of an actual X-band rectangular waveguide phase controlled antenna array are given. Using the antenna array as boundary values of electro-magnetic field, a solution of the field equations is made, and an integral equation of the tangentia...
The results of an actual X-band rectangular waveguide phase controlled antenna array are given. Using the antenna array as boundary values of electro-magnetic field, a solution of the field equations is made, and an integral equation of the tangentia...
1981, 3(2): 72-79.
Abstract:
A new idea of the complex weighted array antennas in proposed. A generalized weighted factor is given. Also, the general formulae for calculating the element numbers, field patterns, power patterns and array efficiency of the complex weighted array a...
A new idea of the complex weighted array antennas in proposed. A generalized weighted factor is given. Also, the general formulae for calculating the element numbers, field patterns, power patterns and array efficiency of the complex weighted array a...
1981, 3(2): 80-88.
Abstract:
In this paper, a gain control loop which operates in synthetic radio telescope is described. The influence of noise on the variation of the gain is discussed in some details ; the gain-lock loop is described; the relation between noise power and vari...
In this paper, a gain control loop which operates in synthetic radio telescope is described. The influence of noise on the variation of the gain is discussed in some details ; the gain-lock loop is described; the relation between noise power and vari...
1981, 3(2): 89-95.
Abstract:
In this paper, the output correlation function of nonlinear systems of zero memory with the property of h(lx) characterized by h(k+p)(lx)=lph(k)(lx) (Where h(k)(lx)=(k)h(lx)/xk,l is a real number) is treated, in case of the gaussian process input wit...
In this paper, the output correlation function of nonlinear systems of zero memory with the property of h(lx) characterized by h(k+p)(lx)=lph(k)(lx) (Where h(k)(lx)=(k)h(lx)/xk,l is a real number) is treated, in case of the gaussian process input wit...
1981, 3(2): 96-100.
Abstract:
In this paper, there is discussed a fault diagnosis technique and related method of calculation to determine the position and value of a fault component which happens to be in a b-branches network. This technique based on comparing the fault circuit ...
In this paper, there is discussed a fault diagnosis technique and related method of calculation to determine the position and value of a fault component which happens to be in a b-branches network. This technique based on comparing the fault circuit ...
1981, 3(2): 101-109.
Abstract:
This paper uses the tape helix model and considers the effects of dielectric, axially conducting shield and wire size on dispersion characteristics for the helix structure with longitudinally conducting vane. The actual dielectric rods are replaced b...
This paper uses the tape helix model and considers the effects of dielectric, axially conducting shield and wire size on dispersion characteristics for the helix structure with longitudinally conducting vane. The actual dielectric rods are replaced b...
1981, 3(2): 110-117.
Abstract:
This paper presents design, computer analysis and experimental result of laminar flow electron beam with rectangular cross section. The beam is used in a deflection-modulated electron-bombarded semiconductor amplifier. This kind of amplifier is a new...
This paper presents design, computer analysis and experimental result of laminar flow electron beam with rectangular cross section. The beam is used in a deflection-modulated electron-bombarded semiconductor amplifier. This kind of amplifier is a new...
1981, 3(2): 118-124.
Abstract:
The magnetron injection gun is able to provide a beam of high perveance to be used in high power microwave tubes. But usually this kind of gun is regarded as of the crossed-field type, and has the characteristic high noise found in erossed-field devi...
The magnetron injection gun is able to provide a beam of high perveance to be used in high power microwave tubes. But usually this kind of gun is regarded as of the crossed-field type, and has the characteristic high noise found in erossed-field devi...
1981, 3(2): 125-127.
Abstract:
This paper discusses the characteristic of Ni-Co-W alloy which has high strength, low recrystallization, high resistivity and good processability. In addition, it contains both fast and slow reducing agents. This alloy has been used in the transmitti...
This paper discusses the characteristic of Ni-Co-W alloy which has high strength, low recrystallization, high resistivity and good processability. In addition, it contains both fast and slow reducing agents. This alloy has been used in the transmitti...
1981, 3(2): 128-128.
Abstract:
An optically pumped FIE pulse laser is described. The pumping source is a tunable TEA CO2 laser with a grating. The output energy of the TEM00 mode is about 1J at 9P(20) and 9R(22) lines.This laser is of a super-radiant structure. The absorbent cell ...
An optically pumped FIE pulse laser is described. The pumping source is a tunable TEA CO2 laser with a grating. The output energy of the TEM00 mode is about 1J at 9P(20) and 9R(22) lines.This laser is of a super-radiant structure. The absorbent cell ...
1981, 3(2): 129-131.
Abstract:
This paper presents a demountable gas-filled gap switch. It has high static breakdown voltage and low inductance. It has been used in a Marx generator to produce a rela-tivistie beam for pumping excimer and CO2 lasers.
This paper presents a demountable gas-filled gap switch. It has high static breakdown voltage and low inductance. It has been used in a Marx generator to produce a rela-tivistie beam for pumping excimer and CO2 lasers.
1981, 3(2): 132-136.
Abstract:
Transmission NBA Ⅲ-Ⅴ compound photocathodes may be designed in some cases. This article gives the design principles, design requirements, design procedure and compositional structure, and then gives an example of designing transmission InxGa(1-x)As p...
Transmission NBA Ⅲ-Ⅴ compound photocathodes may be designed in some cases. This article gives the design principles, design requirements, design procedure and compositional structure, and then gives an example of designing transmission InxGa(1-x)As p...
