Abstract: A method for displaying a plurality of error measures for an error-containing digitally modulated signal formed of a first and a second orthogonal component includes: determining for each digital value a value for an error-free version of the modulated signal; determining for each digital value a value for the error-containing version of the modulated signal; determining for each digital value a vector difference between the value for the error-containing version of the modulated signal and the respective value for the error-free version of the modulated signal; and displaying the vector differences on a two-dimensional display, each difference being displayed with respect to the respective value for the error-free version of the modulated signal, the display providing the plurality of error measures.

Abstract: Computer-readable code stored on computer-readable media includes code to allocate at least one data structure in computer memory. The at least one data structure has a plurality of message parameter fields, and each of the message parameter fields has a deterministic position within the at least one data structure. The computer-readable code also includes code to navigate to different ones of the message parameter fields by interpreting non-compiled instructions. The instructions have a form that specifies a position of a particular message parameter field within the at least one data structure, and a number of bits in the particular message parameter field. The position of the particular message parameter field is specified in terms of a number of data offsets in the at least one data structure. The computer-readable code also includes code to configure a communications test-set following navigation to at least one of the message parameter fields.

Abstract: An oscilloscope includes at least one demonstration signal generator integrated as part of the oscilloscope. The demonstration signal generator generates stimulus signals that consist of digital samples of various different stored waveforms without the need of a separate demonstration board or signal source. The demonstration signal generator may loop through different sections of the stored waveforms to generate respective stimulus signals that include sequences of digital samples from the different waveforms in combination, to provide a broad range of stimulus signals. The stimulus signals may be displayed on the oscilloscope or output from the oscilloscope as demonstration mode stimulus signals to demonstrate the capabilities of the oscilloscope to customers or for training.

Abstract: A method for receiving spread spectrum signals and for initial code acquisition from the received signals comprises de-spreading the received signals, based on code phase synchronization, to produce a de-spread signal; and performing a modulation detection based on a change of time-domain characteristic of the de-spread signal.

Abstract: A method for controlling movement of a piston in a metering device is described. The method comprises supplying a fluid by actuating the metering device's piston, wherein compression or expansion of the fluid causes corresponding temperature variations. The method further comprises superposing a corrective movement onto the piston movement, with the corrective movement at least partly compensating for at least one of thermal expansion and contraction of the fluid induced by the temperature variations. In one embodiment, the corrective movement imposed onto the piston movement comprises two components: a reduction (74) of the compression jump (73), and a subsequent increase (75) of the piston's forward displacement rate (71) during a period (76) of time (72).

Abstract: A sample is ionized by chemical ionization by flowing the sample and a reagent gas into an ion source at a pressure below 0.1 Torr. While maintaining the ion source at a pressure below 0.1 Torr, the reagent gas is ionized in the ion source by electron ionization to produce reagent ions. The sample is reacted with the reagent ions at a pressure below 0.1 Torr to produce product ions of the sample. The product ions are transmitted into an ion trap for mass analysis.

Abstract: An apparatus, includes an oscilloscope and a waveform generator. The waveform generator is integrated in a common housing with the oscilloscope, and configured to provide a stimulus signal as an output of the apparatus and to provide a trigger signal that is connected internally to the oscilloscope for triggering the oscilloscope.

Abstract: A device for processing measurement data assigned to a measurement on a fluidic sample to be separated, the measurement data having multiple features being indicative of different fractions of the fluidic sample, the device includes a feature position analysis unit configured for analyzing positions (p1, p2, d1, d2) of at least a part of the features relative to one another, and a display adjustment unit configured for adjusting, based on a result of the analyzing, a mode of displaying at least a part of the features along at least one display axis of a display diagram so that at least a part of adjacent features is positioned equidistantly along the at least one display axis or so that at least a part of adjacent features is positioned to have a distance (d) from one another which is larger than or equal to a predefined threshold value (dth).

Abstract: An antenna array for use within a microwave imaging system to capture a microwave image of a target is selectively programmed to optimize one or more parameters of the microwave imaging system. The array includes a plurality of antenna elements, each capable of being programmable with a respective phase shift to direct a beam of microwave radiation toward the target such that the microwave radiation from each of the plurality of antenna elements arrives at the target substantially in-phase. To optimize a parameter of the microwave imaging system, the phase shifts of selective ones of the antenna elements are altered, while still maintaining the substantially in-phase microwave radiation at the target.

Abstract: An optical spectrum analyzer and a method of spectrally analyzing an optical signal. The optical spectrum analyzer includes a wave shaper such as an optical modulator that shapes an optical signal, a dispersive element such as a dispersive fiber in which the shaped optical signal is dispersed, a detector that provides an output signal indicative of the dispersed shaped optical signal, and a signal processor that analyzes the output signal, for example by calculating a transform such as an inverse Fourier transform or a Fourier transform of the output signal, to provide a frequency spectrum of the optical signal.

Abstract: An apparatus for atomic force microscopy (AFM) comprises a first actuator configured to move a cantilever along an axis; a second actuator configured to move the cantilever along the axis; an amplifier; and a crossover network connected between the amplifier, and the first actuator and the second actuator. The crossover network is adapted to provide a first drive signal to the first actuator over a first frequency range and to provide a second drive signal to the second actuator over a second frequency range.

Abstract: Systems, methods and computer readable storage media for displaying a dense graph and details of a portion of the dense graph on a display are provided. A processor coupled to memory, an input device and a display are provided to perform operations including: locally distorting a portion of the dense graph identified by interaction through the input device, wherein the local distortion includes expanding the portion of the dense graph along a first dimension axis of the graph, compressing at least one adjacent portion of the dense graph adjacent the expanded portion, and maintaining a scale of all of the dense graph in a second dimension orthogonal to the first dimension. The dense graph and expanded and compressed portions are displayed on the display, wherein all of the graph represented by the display signal on the display prior to performing the local distortion operation is displayed after performing the local distortion operation. In at least one embodiment, the system comprises an oscilloscope.

Abstract: The invention relates to the generation and characterization of Archaeal DNA polymerase mutants with deficient 3?-5? exonuclease activity and reduced base analog detection activity. The invention further provides for Archaeal DNA polymerase mutants with deficient 3?-5? exonuclease activity and reduced base analog detection activity containing additional mutations that modulate other DNA polymerase activities including DNA polymerization or reverse transcriptase activity. The invention also discloses methods and applications of DNA polymerases with deficient 3?-5? exonuclease activity and reduced base analog detection activity.

Abstract: A fluidic chip device configured for processing a fluidic sample includes two outer boundary layers, and at least one reinforcing layer arranged between the two outer boundary layers and being at both of its opposing main surfaces laminated with directly adjacent layers to reinforce pressure resistance of the fluidic chip device by the lamination, in which at least a part of the layers of the fluidic chip device includes a hole forming at least a part of a fluidic conduit for conducting the fluidic sample under pressure.

Abstract: A thermal modulation device for a gas chromatography (GC) system a cold zone, a first hot zone and a second hot zone, which are located outside of a GC oven of the GC system, and a flexible capillary column. The cold zone includes a thermoelectric cooler assembly. The first hot zone is adjacent a first side of the cold zone, and has a corresponding first heat source. The second hot zone is adjacent a second side of the cold zone, and has a corresponding second heat source. The flexible capillary column includes a first segment, configured to move between the first hot zone and the cold zone in accordance with a modulation frequency, and a second segment, configured to move between the cold zone and the second hot zone in accordance with the modulation frequency.

Abstract: A method for preparing functionalized porous particles is disclosed, the method comprising contacting a plurality of porous silica particles with water, at least one of an ionic fluoride such as HF or NH4F or a basic activator, and a multifunctional organosilane. Also disclosed are functionalized porous silica particles produced from the methods disclosed herein.

Abstract: A fluidic device (100) comprising a substrate (101) and a transport medium (103) provided on the substrate (101) to define a transport path for transporting a fluidic sample (104) driven by an electric force.

Abstract: A method and system of providing a phase reference signal includes generating a reference signal having a reference frequency, modulating the reference signal at a modulation frequency lower than the reference frequency to obtain a modulated drive signal, receiving the modulated drive signal at a phase reference, and generating the phase reference signal based on the modulated drive signal. The phase reference signal including multiple reference tones having corresponding tone frequencies clustered around multiples of the reference frequency. A spacing between adjacent tones of the multiple reference tones is the same as the modulation frequency or an integer multiple of the modulation frequency.

Abstract: A signal bus includes multiple interconnects for transporting electronic signals. The interconnects have different physical path lengths and different structures to equalize the different the physical path lengths, so that the electronic signals traverse the corresponding interconnects in same period of time.

Abstract: Aspects of the invention include 2? protected nucleoside monomers that are protected at the 2? site with thiocarbon protecting groups. Thiocarbon protecting groups of interest include thiocarbonate, thionocarbonate, dithiocarbonate groups, as well as thionocarbamate protecting groups. Aspects of the invention further include nucleic acids that include the protecting groups of the invention, as well as methods of synthesizing nucleic acids using the protecting groups of the invention.