Abstract: A method for detecting defects in an electrochemical device, including obtaining at least one characteristic value dependent on at least one variable received from the electrochemical device and determining at least one defect in said device from the characteristic value obtained. The method comprises a mathematical operation including a wavelet transform, which operation is carried out in order to obtain the characteristic value from the variable received. The invention also relates to a device that carries out one such method, as well as to a corresponding computer program.

Abstract: Measuring device (1) for the electromagnetic field emitted by an apparatus being tested (11, 14), including a support (3) being mobile in relation to the apparatus being tested, at least one electromagnetic sensor (8) fixed to the support and driving elements (5,6) capable of rotating the support around the apparatus being tested, characterized in that it includes at least one light source (9) adjacent to the electromagnetic sensor and capable of emitting light according to the electromagnetic field measured by the electromagnetic sensor.

Abstract: A device for detecting the presence of an object in a detection zone is provided. The device includes a transmission line, a generator which is connected to an input of the transmission line and which is able to generate an input signal, and a receiver which is connected to an output of the transmission line and which is able to measure an output signal, the transmission line being able to radiate a radiated signal in the detection zone when the generator generates the input signal, the detection device further including analysis means which are able to detect the presence of an object in the detection zone in accordance with the output signal.

Abstract: A device and method for positioning and controlling railway vehicles. The device includes fixed stations (1) including first elements for transmitting/receiving (2) signals and a central control station (3) to which the fixed stations (1) are connected. Each railway vehicle (4) includes second elements for transmitting/receiving (6) signals. The signals transmitted by the first and second transmitting/receiving elements (2, 6) including an identifier specific to the transmitter and at least one message and consist in non-sinusoidal radio signals with very large bandwidth whose spectrum ranges between 1 and 10 GHz. Each railway vehicle (4) and each fixed station (1) include processing elements (8) for determining the identifier and the at least one message of each received signal. The central control station (3) sends command control instructions.

Abstract: Measuring device (1) for the electromagnetic field emitted by an apparatus being tested (11, 14), including a support (3) being mobile in relation to the apparatus being tested, at least one electromagnetic sensor (8) fixed to the support and driving elements (5,6) capable of rotating the support around the apparatus being tested, characterized in that it includes at least one light source (9) adjacent to the electromagnetic sensor and capable of emitting light according to the electromagnetic field measured by the electromagnetic sensor.

Abstract: A testing device for measuring radiation, immunity and electromagnetic characteristics of an object to be tested (1), includes a conductive structure (53) enclosing a testing volume where the object can be placed, the structure being provided with an opening (56) capable of being closed. The testing device further includes a set of internal conductors called septa (52), at least two in number, each septum defining in the testing volume, by its configuration in the structure, an electromagnetic coupling with the object; at least a septum is arranged in such a way that its electromagnetic plane is separate and not parallel to the electromagnetic plane of at least another septum.