56results about How to "Suppress chaos" patented technology

A bistatic radar system having a transmitter that generates unique signals at spatially independent transmitter degrees of freedom and a receiver that filters the signal at each receiver degree of freedom into a group of signals identical in number to the number of transmitter degrees of freedom. The receiver formats the filtered signals into a 2-dimensional array of elements. The receiver rotates the array so that the new axes are aligned with the Doppler gradient. The data is then re-sampled and projected to linearize the clutter signal. The receiver may be integrated with a broad class of adaptive and non-adaptive clutter mitigation approaches such as electronic clutter tuning and projected bistatic space-time adaptive processing, or STAP.

The present invention relates to a technique for acquiring information specific to a device via an imaging element and performing remote-control of a desired device based on the acquired information specific to the device, and an object thereof is to suspend information display of certain devices in order to suppress disorderliness of a screen and enable remote control of devices to be easily performed. By arranging displaying of the information specific to the device to be suspended according to device state information, the present invention can reduce the risk of remote control being impeded by specific information displayed in an indiscriminant and disordered manner, and efficient remote control operations may be achieved.

The present invention relates to a method for updating meteorological information for an aircraft. The FMS computer automatically makes the request for the meteorological data so as to anticipate the updating of the latter as soon as an update is available. This automation allows the crew to have the data ready for display and use without waiting, to reduce and smooth the workload of the crew by anticipating the request and the processing of these data, and to limit the potential confusion associated with the receipt, hitherto verbal, of the ATIS information.

The invention relates to a stipulated secondary compensation method for multi-period parallel repetitive control of harmonic and inter-harmonic. The method comprises the steps of detecting a three-phase current signal and a three-phase voltage signal in a power grid by a three-level parallel active power filter; performing time domain average processing to obtain a component of a three-phase current after a direct current and interference are filtered and components of voltage d axis and q axis; filtering a current fundamental component by a lowpass filter; respectively extracting a harmonic signal and an inter-harmonic signal by a harmonic detection module and an inter-harmonic detection module; and inputting an instruction signal to a compensation control system, inputting an output compensation signal to a three-level space vector pulse width modulator (SVPWM), driving a power electronic device in the three-level parallel active power filter to be switched on/off, and generating anexpected waveform compensation power grid. The harmonic and the inter-harmonic in the power grid are detected by employing the time domain average method, the harmonic and the inter-harmonic are compensated by employing a mode of combining PI control and multi-period parallel repetitive control, and the reliability and the compensation accuracy of the method are improved.

The invention discloses a skin-whitening and scar-removing skin care product which is prepared from the following components in percentage by weight: 0.01 to 5 percent of 3-o-ethyl ascorbic acid, 0.01 to 5 percent of tranexamic acid, 0.001 to 4 percent of carnosine, 0.001 to 3 percent of a kadsura longepedunculata extract, 0.001 to 1 percent of salicylic acid, 0.1 to 1 percent of allantoin, 0.001 to 1 percent of retinyl palmitate, 0.01 to 10 percent of absolute ethyl alcohol, 0.001 to 2 percent of a vitex negundo extract and the balance of an auxiliary material. The composition has various effects of preserving moisture, repairing skin, resisting wrinkles, whitening skin, removing yellow and red skin colors, removing scars and the like. The invention further discloses a preparation method of the skin-whitening and scar-removing skin care product. The quantity of steps is small, the operation is simple and safe, and the cost is low. The invention further discloses skin-whitening and scar-eliminating cream, multi-defense isolation essence and a whitening cleanser and preparation methods thereof.

Methods and systems reduce clutter interference in a radar-responsive tag system. A radar transmits a series of linear-frequency-modulated pulses and receives echo pulses from nearby terrain and from radar-responsive tags that may be in the imaged scene. Tags in the vicinity of the radar are activated by the radar's pulses. The tags receive and remodulate the radar pulses. Tag processing reverses the direction, in time, of the received waveform's linear frequency modulation. The tag retransmits the remodulated pulses. The radar uses a reversed-chirp de-ramp pulse to process the tag's echo. The invention applies to radar systems compatible with coherent gain-block tags. The invention provides a marked reduction in the strength of residual clutter echoes on each and every echo pulse received by the radar. SAR receiver processing effectively whitens passive-clutter signatures across the range dimension. Clutter suppression of approximately 14 dB is achievable for a typical radar system.

Methods for suppressing cross-track clutter in a sounding radar utilize polarimetric selectivity in two ways: (1) transmitting full-beam circular polarization and separating the desired signal of interest from the clutter based on the signal and clutter having different polarizations, and (2) transmitting and receiving circular polarization at the radar's nadir and elliptical polarization at the radar's off-nadir regions and filtering out the elliptical polarization.

The invention provides a chaos phenomenon restraining method of a single-stage straight gear drive system. The method comprises: at first, building a single-stage straight gear drive system model for factors of backlash in circular teeth, time varying meshing stiffness and comprehensive meshing error and the like, giving conditions for producing the chaos phenomenon, and using an easiest adaptive controller to fast restrain the chaos phenomenon of the single-stage straight gear drive system, and at last proving correctness of the conclusion.

The invention discloses whitening and freckle-removing cream and a preparation method. The whitening and freckle-removing cream is prepared from the components in parts by weight: 30-60 parts of water, 1-5 parts of radix notoginseng extract, 1-5 parts of fructus cnidii extract, 2-5 parts of egg yolk oil, 1-5 parts of radix salviae miltiorrhizae extract, 0.1-1 part of oligopeptide-1, 1-5 parts of palmitoyl pentapeptide-5, 0.1-2 parts of oligopeptide-6, 0.1-0.5 part of ceramide, 0.01-1 part of glabridin, 0.1-3 parts of 4-n-butyl resorcinol, 1-8 parts of tranexamic acid, 0.2-1 part of a preservative, 2-5 parts of nicotinamide, 1-5 parts of an emulsifier, 1-2 parts of silicone elastomers, 5-10 parts of fats and oils, 8-10 parts of glycerin, 5-8 parts of butanediol, and 0.05-0.5 part of a thickener. The whitening and freckle-removing cream has the functions of moisturizing, polypeptide repairing and promoting blood circulation and removing stasis and removing heat, dryness and dampness of avariety of plant extracts, so that the efficacy function of a whole system is remarkable.

The present invention generally relates to ultrasound. In particular, the present invention relates to data dependent color wall filters (used in ultrasound imaging devices for example). Certain embodiments of the present invention relate to a color wall filter that provides flash reduction and clutter suppression. One embodiment of the color wall filter comprises an impulse response filter stage (either a finite or infinite impulse response filter) and a bi-quad filter stage that is data dependent. It is contemplated that the bi-quad filter stage may comprise a series of bi-quad filters, wherein the impulse response filter stage is cascaded into at least one bi-quad filter of the series of bi-quad filters.

A one-side arc welding device (100) capable of performing welding without generating a welding defect comprises: base plate members (21, 22) which extend along a welding direction; magnetic attraction members (27-29) which are arranged in a longitudinal direction of the base plate member at the side of the base plate member and magnetically attract a steel plate to be welded (1, 2) located on the base plate member; a welding torch (4) which moves along a welding line (3) of the steel plate to be welded and sends out a welding wire (5); and a welding power source (6) which supplies an electric current to the welding wire to generate an arc between the welding wire and the steel plate to be welded. The welding power source is installed on the welding start side or welding end side of the welding line, connects each of the magnetic attraction members and a power source ground terminal (6b) of the welding power source via a power source ground connection terminal (101a) installed on the welding start side of a stand frame (101), and a ground current returns to the welding power source via the plurality of magnetic attraction members and the welding start side of the stand frame disposed from the welding start side to the welding end side of the welding line.

The invention provides a whitening essence and a preparation method thereof, and belongs to the field of cosmetics. The essence is prepared from a Boerhavia diffusa root extract, a glycyrrhiza glabraroot extract, nicotinamide, tranexamic acid, glycerol, xanthan gum, panthenol, biosaccharide gum-1 and deionized water; in the implementation process, the Boerhavia diffusa root extract, the glycyrrhiza glabra root extract, nicotinamide and tranexamic acid are used as effective components, and the weight ratio of the Boerhavia diffusa root extract to the glycyrrhiza glabra root extract to nicotinamide to tranexamic acid is controlled to be 1: 1-2.25: 1-2: 0.4-0.8, so that the whitening effect of the essence can be improved on the basis that the stability of the essence is met and the better effect of inhibiting tyrosinase at low concentration can be ensured; the skin tolerance can be improved by controlling the weight ratio of panthenol to biosaccharide gum-1 to be 1: 1-6, so that effective components in the essence can be absorbed to a greater extent.

The invention provides a whitening, anti-inflammatory and moisturizing mask and a preparation method thereof, and relates to the technical field of cosmetics. The invention relates to a whitening, anti-inflammatory and moisturizing mask, which comprises the following raw materials: 0.7%-1.2% of pearl powder, 0.1%-0.3% of carbomer, 0.05%-0.6% of tranexamic acid, 0.05%-0.3% of a surfactant, 0.05%-0.1% of tremella polysaccharide, 0.05%-0.1% of a chondrus crispus extract, 1.3%-3.6% of a centella asiatica extract, 0.3%-0.8% of a scutellaria baicalensis root extract, 0.03%-0.1% of a pogostemon cablin leaf extract, 1%-2.1% of a humectant, 0.5%-1.8% of a skin conditioner, 0.3%-0.8% of EDTA disodium and the balance of water. The whitening, anti-inflammatory and moisturizing mask has the advantages of being capable of continuously resisting inflammation on the face and maintaining skin stability and good in moisturizing effect.