Abstract: A radar transceiver device for radar signals with a frequency-selective radar transmitting unit and/or with a frequency-selective radar receiving unit. The frequency-selective radar transmitting unit has a digital-to-analog converter to convert a broadband digital signal provided for all transmission channels into an analog transmission signal, a signal modulator which modulates a signal carrier with the analog transmission signal emitted by the digital-to-analog converter, and at least one frequency-selective component to partition the transmission signal modulated by the signal modulator to a plurality of transmission channels for emission as a radar signal. The frequency-selective radar receiving unit includes a frequency-selective component to combine a received radar signal including a plurality of receive channels, a signal demodulator which demodulates the radar signal combined by the frequency-selective component using a signal carrier, and at least one analog-to-digital converter.

Abstract: A radar system having a transmitting and receiving device which is configured to transmit a transmission signal comprising a sequence of measurement periods separated from one another by pauses. In each measurement period, at least one sequence of frequency-modulated signals is transmitted, and having a digital evaluation device which is configured to determine distances and radial relative velocities of located radar targets. The measurement periods are each divided into a plurality of non-equidistant modulation bursts.

Abstract: A method for evaluating radar data from a radar sensor. In the method, the radar sensor generates respective radar data in a plurality of measurement cycles. The radar data are subdivided and assigned to parameter ranges of a radar spectrum. The radar data assigned to a parameter range of the radar spectrum are stored for a number of measurement cycles which depends on the parameter range. For each parameter range, the radar data assigned to the parameter range are evaluated.

Abstract: A method for controlling a coherent cooperative radar sensor network including a plurality of radar sensors. At least two sensors operate coherently. The sensor data are partitioned according to the type of evaluation into data to be evaluated coherently and data to be evaluated non-coherently. The data to be evaluated coherently and the data to be evaluated non-coherently are transmitted to respectively different evaluation units, which then each carry out an evaluation. The individual evaluations are combined to form an overall evaluation.

Abstract: A method for a cooperative radar sensor network having a plurality of individual radar sensors, for estimating an angle of a radar target or for preparing the radar sensor network therefor. An association that associates a control vector (A?) having bistatic components with each of a plurality of angles is determined. A measurement vector associated with a detected radar target is calculated, wherein the measurement vector has bistatic components.

Abstract: A method for operating a cooperative multiple-input multiple-output (MIMO) radar network with a plurality of analog radar sensors and at least one digital radar sensor. The method includes determining the deviation of the transmission time points and transmission frequencies of at least the plurality of analog radar sensors in relation to one another, and adjusting the transmission time points, reception time points, and transmission frequencies of the signals of at least the plurality of analog radar sensors to one another. A method for interference detection and interference avoidance is also described. A cooperative multiple-input multiple-output (MIMO) radar network including a plurality of analog radar sensors and at least one digital radar sensor is also described.

Abstract: A computer device and method for examining a radar system equipped with at least two transmitting and receiving units, each having at least two antenna elements. The method includes: selecting a first radar signal, emitted by a first transmitting and receiving unit of the radar system and received by a second transmitting and receiving unit of the radar system, and a second radar signal, which is emitted by the second transmitting and receiving unit and received by the first transmitting and receiving unit, ascertaining a phase difference between the first radar signal and the second radar signal and specifying alignment information with regard to a relative tilt of the first transmitting and receiving unit in relation to the second transmitting and receiving unit, taking into account the ascertained phase difference.

Abstract: A computer device and a method for examining a radar system equipped with at least two transmitting and receiving units which each include at least one respective antenna element. The method includes: defining at least one probability distribution for at least one object with respect to a probable position of the respective object in an angular spectrum based on radar signals transmitted by the at least two transmitting and receiving units, reflected on the at least one object and received by the transmitting and receiving units, determining an average width of the probability distributions in the angular spectrum defined within a given time interval and within a given angular range of the angular spectrum, and defining position information relating to a displacement of at least one of the transmitting and receiving units out of its respective target position taking into account the determined average width.

Abstract: A household appliance contains a control unit for controlling a function of the household appliance dependent on a user setting and a wireless interface for communicating with a mobile device. The control unit is adapted to establish a wireless connection between the household appliance and the mobile device and to exchange user setting data with the mobile device.

Abstract: A method for radar sensor data processing of radar sensor data of a radar sensor system detecting at least one target object in an environment of a carrier system. A radar sensor data processing system is also described.

Abstract: Methods and apparatus of some aspects of the invention relate to the synthesis of high fidelity polynucleotides. In particular, aspects of the invention relate to concurrent enzymatic removal of amplification sequences and ligation of processed oligonucleotides into nucleic acid assemblies. According to some embodiments, the invention provides a method for producing a target nucleic acid having a predefined sequence. In some embodiments, the method comprises the step of providing a plurality of oligonucleotides, wherein each oligonucleotides comprises (i) an internal sequence identical to a different portion of a sequence of a target nucleic acid, (ii) a 5? sequence flanking the 5? end of the internal sequence and a 3? flanking sequence flanking the 3? end of the internal sequence, each of the flanking sequence comprising a primer recognition site for a primer pair and a restriction enzyme recognition site.

Abstract: A radar system. The radar system includes at least three radar sensors which are connected to one another in a phase-coherent manner. A first radar sensor and a second radar sensor are disposed spaced apart from one another. A virtual sensor is created by means of bistatic measurement of at least the first radar sensor and the second radar sensor using the MIMO method. At least one third radar sensor is disposed offset to the virtual sensor. The radar system is configured to acquire an elevation angle of a target using the virtual sensor and the at least one third sensor.

Abstract: An OFDM radar sensor including multiple transmission channels and at least one reception channel, and a method for operating such an OFDM radar sensor. At least for first transmission channels, the signal form of the signal to be transmitted, which includes a sequence of OFDM symbols in question, is progressively computed in portions for each transmission channel, and multiple buffer memories are used in alternation for storing a computed portion of the signal form and for reading out a previously computed and stored preceding portion of the signal form, which is converted from digital to analog and transmitted. A particular portion of the signal form is computed and stored in one of the buffer memories while a preceding portion of the signal form is being read out from another of the buffer memories and converted from digital to analog, and transmitted on the transmission channel in question.

Abstract: A radar system for motor vehicles. The radar system has multiple transceiver units, which are situated on separate installation supports for the installation in different locations in the motor vehicle and are connected to one another by a synchronization network. Each of the transceiver units has a scanning module for scanning radar signals received on a plurality of channels in the form of a time signals. Each installation support has a raw-data interface for the transmission of the time signal of the transceiver unit to a central evaluation instance. The central evaluation instance is configured to jointly evaluate the time signals from the plurality of transceiver units.

Abstract: Aspects of the invention relate to methods, compositions and algorithms for designing and producing a target nucleic acid. The method can include: (1) providing a plurality of blunt-end double-stranded nucleic acid fragments having a restriction enzyme recognition sequence at both ends thereof; (2) producing via enzymatic digestion a plurality of cohesive-end double-stranded nucleic acid fragments each having two different and non-complementary overhangs; (3) ligating the plurality of cohesive-end double-stranded nucleic acid fragments with a ligase; and (4) forming a linear arrangement of the plurality of cohesive-end double-stranded nucleic acid fragments, wherein the unique arrangement comprises the target nucleic acid.

Abstract: Methods and apparatus relate to the synthesis of polynucleotides having a predefined sequence on a support. Assembly methods include primer extension to generate overlapping construction oligonucleotides and assembly of the polynucleotides of interest onto an anchor support-bound oligonucleotides. Methods and apparatus for selection of polynucleotides having the predefined sequence and/or length are disclosed.

Abstract: A method for operating a radar sensor in a motor vehicle, in which in a SAR measuring mode according to the principle of the synthetic aperture, objects, including stationary objects, are located with high angular resolution. The same radar sensor is operated in time-shifted manner or concurrently in the SAR measuring mode and in a Doppler measuring mode, the relative speeds of objects, including moving objects, being measured with a time resolution in the Doppler measuring mode that is greater than the time resolution in the SAR measuring mode.

Abstract: Aspects of the invention relate to methods, compositions and algorithms for designing and producing a target nucleic acid. The method can include: (1) providing a plurality of blunt-end double-stranded nucleic acid fragments having a restriction enzyme recognition sequence at both ends thereof; (2) producing via enzymatic digestion a plurality of cohesive-end double-stranded nucleic acid fragments each having two different and non-complementary overhangs; (3) ligating the plurality of cohesive-end double-stranded nucleic acid fragments with a ligase; and (4) forming a linear arrangement of the plurality of cohesive-end double-stranded nucleic acid fragments, wherein the unique arrangement comprises the target nucleic acid.

Abstract: A method for producing an overlap composite material from sheet metal is described, wherein a first sheet of a first metal and a second sheet of a second metal, which has a lower strength than the first metal, are positioned one above another in an overlapping manner in an edge region, and are then joined by rolling. The first sheet has a wedge-shaped edge in cross-section. The second sheet is to be positioned with its edge on a side surface of the first sheet formed by the wedge-shaped edge. The side surface formed by the wedge-shaped edge of the first sheet has a greater width than the side surface of the edge of the second sheet positioned on the said side surface of the first sheet, and, after positioning, the sheets are joined by rolling.

Abstract: An OFDM radar sensor including multiple transmission channels and at least one reception channel, and a method for operating such an OFDM radar sensor. At least for first transmission channels, the signal form of the signal to be transmitted, which includes a sequence of OFDM symbols in question, is progressively computed in portions for each transmission channel, and multiple buffer memories are used in alternation for storing a computed portion of the signal form and for reading out a previously computed and stored preceding portion of the signal form, which is converted from digital to analog and transmitted. A particular portion of the signal form is computed and stored in one of the buffer memories while a preceding portion of the signal form is being read out from another of the buffer memories and converted from digital to analog, and transmitted on the transmission channel in question.