Abstract: A dynamic high-resolution ADC according to an example embodiment may include a dynamic amplifier configured to amplify, by as much as a first gain, the sampled-and-held analog signal received from the sample and hold circuit; DAC configured to convert a digital signal input from a decoder into an analog signal; a residue signal amplifier connected to the dynamic amplifier and the DAC and configured to calculate a difference between an output signal of the dynamic amplifier and an output signal of the DAC and amplify the difference by as much as a second gain; an ADC connected to the residue signal amplifier and configured to convert an output signal of the residue signal amplifier into a digital signal; and a decoder connected to the ADC and configured to decode, into digital data, an output signal of the ADC input by the ADC.

Abstract: A dynamic high-resolution ADC according to an example embodiment may include a dynamic amplifier configured to amplify, by as much as a first gain, the sampled-and-held analog signal received from the sample and hold circuit; DAC configured to convert a digital signal input from a decoder into an analog signal; a residue signal amplifier connected to the dynamic amplifier and the DAC and configured to calculate a difference between an output signal of the dynamic amplifier and an output signal of the DAC and amplify the difference by as much as a second gain; an ADC connected to the residue signal amplifier and configured to convert an output signal of the residue signal amplifier into a digital signal; and a decoder connected to the ADC and configured to decode, into digital data, an output signal of the ADC input by the ADC.

Abstract: A method and system for energy improvement verification of buildings. An energy improvement learning method includes receiving building characteristic information related to an existing building constructed in the past and a diagnosis result of energy diagnosis performed based on the building characteristic information, receiving a result of renovating the existing building using energy saving schemes suitable for the diagnosis result, and generating an energy improvement learning model for the existing building by learning the building characteristic information and the renovation result.

Abstract: A method and apparatus for determining an Energy Conservation Measure (ECM) for building retrofit. An analysis apparatus receives a condition for building retrofit, and selects detailed measures of one or more Energy Conservation Measures (ECMs) for a building based on the condition. The analysis apparatus selects a maximum of one detailed measure from among multiple detailed measures of each of the one or more ECMs. The analysis apparatus provides one or more ECM determination schemes, which include an energy savings-based ECM determination scheme and a cost-based ECM determination scheme.

Abstract: A peak power controlling method for a zero energy town (ZET) includes scheduling control power of an energy storage system (ESS) for each time period based on time-varying electric rate information of a grid, monitoring a power consumption of the ZET, and determining control power of the ESS based on a result of the scheduling and a result of comparing the monitored power consumption of the ZET and a preset threshold value.

Abstract: A method and system for energy improvement verification of buildings. An energy improvement learning method includes receiving building characteristic information related to an existing building constructed in the past and a diagnosis result of energy diagnosis performed based on the building characteristic information, receiving a result of renovating the existing building using energy saving schemes suitable for the diagnosis result, and generating an energy improvement learning model for the existing building by learning the building characteristic information and the renovation result.

Abstract: A method of managing a peak power of a zero-energy town (ZET) includes monitoring a grid power transmitted between the ZET and a grid, and controlling an energy storage systems (ESSs) provided in the ZET based on a result of the monitoring, wherein the controlling includes supplying a power stored in the ESSs to an energy load or storing a power produced by the ZET in the ESSs so as to lower a peak power of the grid power.

Abstract: A method and apparatus for determining an Energy Conservation Measure (ECM) for building retrofit. An analysis apparatus receives a condition for building retrofit, and selects detailed measures of one or more Energy Conservation Measures (ECMs) for a building based on the condition. The analysis apparatus selects a maximum of one detailed measure from among multiple detailed measures of each of the one or more ECMs. The analysis apparatus provides one or more ECM determination schemes, which include an energy savings-based ECM determination scheme and a cost-based ECM determination scheme.

Abstract: An apparatus and method for compensating for duty signals are disclosed herein. The apparatus for compensating for duty signals includes a signal input unit, a signal control unit, a combined signal control unit, a determination unit, and a signal output unit. The signal input unit receives a first signal and a second signal. The signal control unit controls the timing of the first and second signals based on first and second control signals, and outputs a combined signal. The combined signal control unit outputs first and second logic operation signals. The determination unit generates the first and second control signals if the timing of the first signal does not match the timing of the second signal, outputs the generated first and second control signals, and applies a third control signal to the combined signal control unit. The signal output unit outputs the first and second signals.

Abstract: An M-ary Phase Shift Keying (MPSK) demodulation apparatus and method are disclosed herein. The MPSK demodulation apparatus includes an amplifier, a carrier frequency recoverer, a plurality of correlators, and a symbol detector. The amplifier amplifies a received signal. The carrier frequency recoverer recovers a carrier frequency from the received signal, and generates a plurality of signals having a set phase difference. Each of the plurality of correlators outputs a signal, maintained at a set signal level for a specific period of time, using the received signal and the plurality of signals. The symbol detector collects the output signals of the plurality of correlators, and detects a received symbol by comparing the absolute value magnitudes of the collected output signals.

Abstract: An apparatus and method for compensating for duty signals are disclosed herein. The apparatus for compensating for duty signals includes a signal input unit, a signal control unit, a combined signal control unit, a determination unit, and a signal output unit. The signal input unit receives a first signal and a second signal. The signal control unit controls the timing of the first and second signals based on first and second control signals, and outputs a combined signal. The combined signal control unit outputs first and second logic operation signals. The determination unit generates the first and second control signals if the timing of the first signal does not match the timing of the second signal, outputs the generated first and second control signals, and applies a third control signal to the combined signal control unit. The signal output unit outputs the first and second signals.

Abstract: Provided is an apparatus and method for radiosonde power control based on position estimation, including a radiosonde system including a radiosonde that may collect weather information, receive Global Positioning System (GPS) information, and transmit a signal including the collected weather information, and a receiver that may receive the signal, and the radiosonde may also recognize a current position based on the GPS information and control a transmission power based on a distance between the current position and a position of the receiver.

Abstract: An M-ary Phase Shift Keying (MPSK) demodulation apparatus and method are disclosed herein. The MPSK demodulation apparatus includes an amplifier, a carrier frequency recoverer, a plurality of correlators, and a symbol detector. The amplifier amplifies a received signal. The carrier frequency recoverer recovers a carrier frequency from the received signal, and generates a plurality of signals having a set phase difference. Each of the plurality of correlators outputs a signal, maintained at a set signal level for a specific period of time, using the received signal and the plurality of signals. The symbol detector collects the output signals of the plurality of correlators, and detects a received symbol by comparing the absolute value magnitudes of the collected output signals.

Abstract: The present invention provides a tethersonde system and an observation method thereby. The tethersonde system comprises a balloon, a radiosonde observing weather while being carried aloft by the balloon and transmitting weather data including position information, a ground receiver receiving and analyzing the weather data and determining wind direction and speed of the atmospheric layer using the position information, and a connection line connecting the ground receiver and the radiosonde and being wound or unwound to control an observation point of the radiosonde.

Abstract: Provided is an apparatus and method for radiosonde power control based on position estimation, including a radiosonde system including a radiosonde that may collect weather information, receive Global Positioning System (GPS) information, and transmit a signal including the collected weather information, and a receiver that may receive the signal, and the radiosonde may also recognize a current position based on the GPS information and control a transmission power based on a distance between the current position and a position of the receiver.

Abstract: A human body communication system is disclosed, which includes a plurality of intra-body communication apparatuses, a plurality of extra-body communication apparatuses, a bridge apparatus, and an access point. The bridge apparatus manages connections between the intra-body communication apparatuses and the extra-body communication apparatuses, and performs packet exchange. The access point performs packet exchange between a plurality of bridge apparatuses. The bridge apparatus performs negotiation with communication apparatuses to set up a connection, and manages a path based on the connection setup.

Abstract: A system for power saving in communication with a plurality of sensor apparatuses that are located in-body or on-body to sense bioinformation, a management apparatus that performs synchronization by transmitting a beacon signal to the plurality of sensors at each predetermined period, and a sensor apparatus that includes a sensor receiving a first beacon signal, grasps how much time remains until the second beacon signal is received when the sensor is activated to sense the bioinformation, and determines the operation state of the sensor based on the grasped time are provided.

Abstract: Provided is a distance and position measuring method. A distance measuring method based on packets transmitted and received between a first node and a second node obtains first timing for transmitting a first packet from the first node, second timing for receiving the first packet in the second node, third timing for transmitting a second packet corresponding to the first packet from the second node, fourth timing for receiving the second packet in the first node, fifth timing for transmitting a third packet from the second node, and sixth timing for receiving the third packet in the first node to estimate a clock frequency offset based on the obtained timings, measures a first distance and a second distance based on the clock frequency offset and some of the timings, and measures a distance between the first node and the second node based on the first distance and the second distance.

Abstract: A human body communication system is disclosed, which includes a plurality of intra-body communication apparatuses, a plurality of extra-body communication apparatuses, a bridge apparatus, and an access point. The bridge apparatus manages connections between the intra-body communication apparatuses and the extra-body communication apparatuses, and performs packet exchange. The access point performs packet exchange between a plurality of bridge apparatuses. The bridge apparatus performs negotiation with communication apparatuses to set up a connection, and manages a path based on the connection setup.

Abstract: A health monitoring method of a health monitoring apparatus which wirelessly communicates with a wireless terminal and includes a camera module is provided. The apparatus establishes a connection with the wireless terminal and receives a control signal from the wireless terminal. The apparatus captures an image of a body part with the camera module in response to the control signal, and encodes the captured image into a digital image signal. The apparatus then packetizes the digital image signal and transmits the packetized signal to the wireless terminal.