An energy-efficient system for distant measurement of analogue signals comprising two or more measuring units and a corresponding receiving unit; - wherein each measuring unit comprises an analog input, a modulator that converts the analog input signal into a series of pulses, a delay circuit, an ultra-wide bandwidth pulse generator for generating ultra-wide bandwidth pulses connected to a transmission line or antenna directly or via an auxiliary amplifier, and a power supply; and - wherein the receiving unit comprises a receiving transmission line or antenna, a low noise amplifier, at least one unipolar pulse detector selected from a positive pulse detector (23.1) or a negative pulse detector (23.2) and where one monostable multivibrator follows each pulse detector, a signal processing means and a power supply, wherein: - all measuring units have identical modulators selected from the Time Encoding Machine family consisting of: Asynchronous Sigma Delta Modulator (12.1), Integrate And Fire Modulator (12.2) and Integral Pulse Frequency Modulator (12.3); - all measuring units use delay circuits tuned to mutually different delay times τ i that are used to identify the signal originating from the i -th measuring unit by the signal processing means; - wherein each ultra-wide bandwidth pulse generator of the i -th measuring unit is triggered by the series of pulses generated by the said modulator and by a series of the same pulses delayed in time by said delay time τ i by the corresponding delay circuit; where the signal from the delay circuit is optionally fed back to the modulator; - wherein the receiving unit has the signal processing means with demodulators compatible with the selected type of modulators, and where said signal processing means is equipped with at least one set of identical delay circuits with delay times τ i that corresponds to the set of delay times used by said measuring units; and - wherein the signal processing means extracts the received signal corresponding to the i -th measuring unit according to the delay time τ i in the form of a pulse length suitable for being further processed to analog or digital information. - wherein each measuring unit comprises an analog input, a modulator that converts the analog input signal into a series of pulses, a delay circuit, an ultra-wide bandwidth pulse generator for generating ultra-wide bandwidth pulses connected to a transmission line or antenna directly or via an auxiliary amplifier, and a power supply; and - wherein the receiving unit comprises a receiving transmission line or antenna, a low noise amplifier, at least one unipolar pulse detector selected from a positive pulse detector (23.1) or a negative pulse detector (23.2) and where one monostable multivibrator follows each pulse detector, a signal processing means and a power supply, wherein: - all measuring units have identical modulators selected from the Time Encoding Machine family consisting of: Asynchronous Sigma Delta Modulator (12.1), Integrate And Fire Modulator (12.2) and Integral Pulse Frequency Modulator (12.3); - all measuring units use delay circuits tuned to mutually different delay times τ i that are used to identify the signal originating from the i -th measuring unit by the signal processing means; - wherein each ultra-wide bandwidth pulse generator of the i -th measuring unit is triggered by the series of pulses generated by the said modulator and by a series of the same pulses delayed in time by said delay time τ i by the corresponding delay circuit; where the signal from the delay circuit is optionally fed back to the modulator; - wherein the receiving unit has the signal processing means with demodulators compatible with the selected type of modulators, and where said signal processing means is equipped with at least one set of identical delay circuits with delay times τ i that corresponds to the set of delay times used by said measuring units; and - wherein the signal processing means extracts the received signal corresponding to the i -th measuring unit according to the delay time τ i in the form of a pulse length suitable for being further processed to analog or digital information. - all measuring units have identical modulators selected from the Time Encoding Machine family consisting of: Asynchronous Sigma Delta Modulator (12.1), Integrate And Fire Modulator (12.2) and Integral Pulse Frequency Modulator (12.3); - all measuring units use delay circuits tuned to mutually different delay times τ i that are used to identify the signal originating from the i -th measuring unit by the signal processing means; - wherein each ultra-wide bandwidth pulse generator of the i -th measuring unit is triggered by the series of pulses generated by the said modulator and by a series of the same pulses delayed in time by said delay time τ i by the corresponding delay circuit; where the signal from the delay circuit is optionally fed back to the modulator; - wherein the receiving unit has the signal processing means with demodulators compatible with the selected type of modulators, and where said signal processing means is equipped with at least one set of identical delay circuits with delay times τ i that corresponds to the set of delay times used by said measuring units; and - wherein the signal processing means extracts the received signal corresponding to the i -th measuring unit according to the delay time τ i in the form of a pulse length suitable for being further processed to analog or digital information.