Abstract: A system is provided for measurement data management in a distributed environment. The system comprises at least one storage system adapted to obtain raw measurement data or intermediate results from at least one measurement site via a network. In addition, the system further comprises a database, operatively connected to the said storage system, adapted to be accessed remotely by the measurement site via the network. The storage system or the measurement site is further adapted to perform successive processing steps on the raw measurement data along a process chain in order to generate measurement results, whereby associating metadata with the raw measurement data and with the measurement results. In this context, the metadata associated with each measurement result of the successive processing steps is provided with a new reference as well as a reference to the reference of the measurement result from the preceding processing step.

Abstract: A LIDAR target simulation system for testing a LIDAR device is described. The LIDAR target simulation system includes a scenario generation circuit, a pattern detection circuit, a LIDAR simulation circuit, and a signal response generator circuit. The scenario generation circuit is configured to generate a test scenario for testing the LIDAR device. The pattern detection circuit is configured to receive at least one scan signal generated by the LIDAR device to be tested. The pattern detection circuit further is configured to determine at least one characteristic parameter of the received scan signal. The LIDAR simulation circuit is configured to simulate at least one current and/or future scan signal of the LIDAR device based on the at least one characteristic parameter. The signal response generator circuit is configured to generate a response signal to be received by the LIDAR device based on the at least one simulated scan signal of the LIDAR device and based on the test scenario.

Abstract: A test system for testing a device under test (DUT) with a graphical user interface (GUI) and a touch-sensitive display is described. The test system includes a stimulation layer configured to selectively generate a stimulus signal in at least one area of the touch-sensitive display. The stimulation layer is at least partially transparent. The test system further includes at least one camera configured to capture at least one image of the GUI displayed on the touch-sensitive display through the at least partially transparent stimulation layer. The test system further includes an artificial intelligence (AI) circuit connected with the at least one camera and the stimulation layer. The AI circuit is configured to recognize at least one activatable element of the GUI based on the at least one image captured, and is configured to control the stimulation layer to selectively generate the stimulus signal based on the at least one recognized activatable element, such that a touch and/or or a gesture is imitated.

Abstract: A method for automatically notifying an intended person of a service interval of a test and measurement device by using the test and measurement device is described, wherein service data is received by the test and measurement device. The service data is processed internally. A time for maintenance is calculated automatically based on the service data retrieved. Further, a test and measurement device is described.

Abstract: A method for providing a training data set used for training a signal classification neural network is provided. The method includes generating at least one first virtual waveform primitive comprising a predetermined signal level and at least one second virtual waveform primitive comprising a signal edge. The training data set is formed and comprises a predetermined number of generated virtual waveform primitives including first virtual waveform primitives and second virtual waveform primitives. Each virtual waveform primitive comprises a sequence of time and amplitude discrete values. The training data set is used for training the signal classification neural network.

Abstract: An absorber device for absorbing signals is described. The absorber device has a housing with inner sides having an absorbing material. The housing is adaptable with regard to its geometry. The absorber device is portable. Moreover, a test system for testing radio frequency characteristics of a device under test is described.

Abstract: A system for calibration management is described. The system includes at least one measurement instrument for testing a device under test and a monitoring device. The monitoring device is connected with the measurement instrument. The monitoring device collects parameters from the measurement instrument during the testing. The monitoring device creates a calibration fingerprint based on the parameters collected, which is indicative of the calibration status of the measurement instrument. The system includes an interface via which information based on the calibration fingerprint is outputted, indicating if a new calibration of the measurement instrument is necessary or not. Further, a method of managing calibration of a measurement instrument is described.

Abstract: A configuration method for configuring an electronic device is described.

Abstract: A system for correcting phase noise and/or drift, the system includes an optical signal module being capable of amplitude modulating the optical signal while being phase- and/or frequency-shifted. Further, the system includes a beam splitter capable of separating at least backward travelling waves based on polarization. Moreover, a fiber connected to the beam splitter and a polarization rotator capable of changing the polarization of the optical signal are provided. The system has a partially reflecting reflector capable of creating a backward travelling wave as well as a photodiode capable of receiving the backward travelling wave. The photodiode is capable of generating a detection signal used for detecting phase noise and/or drift in the backward travelling wave.

Abstract: A method for selecting best radio signal in air traffic control includes: determining a respective latency of at least two receiving channels, wherein each receiving channel is provided between a corresponding receiver and a measurement and analysis module; measuring a respective arrival time of at least two radio signals received via the at least two receiving channels by the measurement and analysis module; determining the delay time between the at least two radio signals based on their arrival times; aligning the at least two radio signals with each other by taking the delay time determined into account, thereby obtaining at least two aligned signals; determining the quality of the at least two aligned signals; and switching to the receiving channel that processes the respective radio signal with the best quality determined. Further, an air traffic control system for selecting best radio signal is described.

Abstract: A test system for testing a device under test is described. The test system includes an anechoic chamber for encompassing a device under test to be tested by means of radio frequency radiation. The anechoic chamber has a wall with an opening provided in the wall. The test system also has a feedthrough assembly for transporting a fluid into the anechoic chamber or from the anechoic chamber. The feedthrough assembly has a pipe that extends through the opening such that the pipe is fed through the opening. The pipe is routed such that radio frequency radiation is prevented from leaving the anechoic chamber via the pipe. Furthermore, a feedthrough assembly is described.

Abstract: A system for creating an adjustable delay in an optical signal. The system has an input interface for receiving an optical input signal. The system has a first optical modulator configured to shift the frequency of the optical input signal depending on a setting of the first optical modulator, thereby generating a modulated optical signal. The system includes at least two frequency selective reflectors configured to reflect the modulated optical signal, thereby providing a reflected signal. The system has a control circuit that adapts the setting of the first optical modulator such that a frequency shift of the optical input signal introduced by the first optical modulator is set by the control circuit. The frequency shift introduced by the first optical modulator corresponds to an operational frequency of one of the at least two frequency selective reflectors associated with the setting of the first optical modulator.

Abstract: A digital filter circuit is described. The digital filter circuit includes at least one signal input and at least one finite impulse response (FIR) filter associated with the at least one signal input. The at least one signal input is configured to receive an input signal, wherein the input signal includes a product of at least two input signal samples. The at least one FIR filter is established as a short-length FIR filter. Further, a signal processing method is described.

Abstract: A method for training a neural network for triggering an input signal in a measurement device is provided. The method comprises the steps of providing a trigger type and/or trigger parameter from a cloud server hosting the neural network via a network to the measurement device, triggering the input signal based on the trigger type and/or trigger parameter received in the measurement device, and collecting trigger feedback information from the measurement device at the neural network to train the neural network.

Abstract: A power supply comprises a control unit for adjusting a power output by the power control unit in response to a control signal. The power supply further includes a processing unit configured to generate the control signal using a control model and based at least on one or more sensor signals supplied to the processing unit. The processing unit is configured to communicate via an interface with an external processing entity to receive a data set for generating the control model and/or to receive the control model, and/or to transmit the model to the external processing entity.

Abstract: The present invention relates to a data acquisition of measurement data together with further data specifying the operation during a measurement. For this purpose, I/Q measurement data are obtained and the steps for operating a measurement device during the measurement are monitored. A metadata package is generated, which includes the obtained I/Q measurement data along with the monitored steps of operating the measurement device.

Abstract: Measurement apparatus and method for digital data acquisition. A first operation mode is provided for real-time processing of digital data having a reduced sample rate or resolution. Furthermore, a second operation mode is provided for processing the measurement signal off-line with a higher accuracy. In particular, the high accuracy data may be temporarily stored and analyzed upon the operation mode is changed from the real-time mode to the off-line mode.

Abstract: A security surveillance system for a mobile device with a wireless interface and a control unit that is connected to the wireless interface comprises a security controller that is coupled to the wireless interface and that inspects at least data traffic incoming via the wireless interface at the mobile device according to a number, i.e. one or more, of predefined data rules, wherein the security controller generates a warning signal if the data traffic violates one of the predefined data rules, and a warning indicator that is coupled to the security controller and that generates a warning indication based on the warning signal.

Abstract: A method and a system for determining at least one contribution of at least one device under test (DUT) are described. The DUT may be part of a radio frequency (RF) device chain. The method includes capturing a first signal portion at a first node associated with an input of the DUT and capturing a second signal portion at a second node associated with an output of the DUT. The first signal portion and the second signal portion are captured quasi-simultaneously. The method may also include aligning the captured first signal portion and the captured second signal portion with each other temporally, and determining the contribution of the DUT by comparing the first signal portion and the second signal portion.

Abstract: A measurement system for performing measurements. The measurement system includes a positioning system for positioning at least one device to be positioned. The positioning system includes at least two rotational positioner modules configured to perform a rotational movement, thereby rotating the device to be positioned, as well as at least one linear positioner module configured to perform a linear movement, thereby translationally moving the device to be positioned. The linear positioner module includes a mounting interface for the device to be positioned. The rotational positioner modules and the linear positioner module together are configured to move the device to be positioned from a starting point of the movement. The rotational positioner modules are configured to set the starting point. The linear positioner module is configured to move the mounting interface relative to the starting point.