Abstract: The objective of the present invention is to provide a quantum receiver using square of homodyne detection for detecting a target of a quantum radar by using the square of homodyne detection that uses homodyne detection used in quantum information processing using continuous variables, and data processing, and a measurement method therefore. In order to achieve the above objective, the quantum receiver for detecting a target of a quantum radar using the square of homodyne detection according to the present invention comprises: a first 50:50 beam splitter for mixing signals coming into an input terminal; and two light quantity measurement units for measuring the quantity of light respectively outputted to two output terminals of the first 50:50 beam splitter.

Abstract: An object of the present invention is to provide a microwave-optic conversion system of quantum signals employing a 3-dimensional microwave resonator and a crystal oscillator, which enables microwave-optic conversion employing a microwave resonator and a widely commercialized crystal oscillator which may be manufactured by simple machine processing. In order to achieve the object, the microwave-optic conversion system of quantum signals employing a 3-dimensional microwave resonator and a crystal oscillator includes: a microwave resonator including a hollow body made of metal, and a penetration hole formed on a front surface of the hollow body; and a crystal oscillator positioned inside the hollow body.

Abstract: A low-shock separation device is characterized in that an internal locking structure is unlocked and a bolt is separated by operating a specific part of components thereof using high pressure that is generated by combustion of powder.

Abstract: A low-shock separation device is characterized in that an internal locking structure is unlocked and a bolt is separated by operating a specific part of components thereof using high pressure that is generated by combustion of powder.

Abstract: Provided is a performance testing device including: a compressor configured to generate compressed air; an air storage tank configured to receive the compressed air generated by the compressor; a regulator connected to each of the compressor and the air storage tank to control a pressure of the compressed air; a main supply line connected to the regulator to move the compressed air; an input port line and an output port line connected to the main supply line to receive the compressed air from the air storage tank and deliver the compressed air to an input port or an output port of a test object; and a pneumatic booster configured to pressurize the compressed air received in the input port line or the output port line, wherein in order to test a performance of the test object, the pressurized compressed air is applied to the input port or the output port of the test object.

Abstract: Provided is a performance testing device including: a compressor configured to generate compressed air; an air storage tank configured to receive the condensed air generated by the compressor; a regulator connected to each of the compressor and the air storage tank to control a pressure of the compressed air; a main supply line connected to the regulator to move the compressed air; an input port line and an output port line connected to the main supply line and configured to deliver the compressed air to each of an input port and an output port formed at both ends of a test object; and a pneumatic booster configured to pressurize the compressed air received in the input port line or the output port line, wherein in order to test a performance of the test object, the pressurized condensed air is applied to the input port and the output port.