31results about How to "Avoid system complexity" patented technology

A user grouping method for inter-cell interference coordination technology in mobile telecommunication systems using the handover information and measured data that were defined in existing mobile telecommunication systems to group cell users into cell center users and cell edge users. This method includes: (1) user equipment measuring the average signal strength of the serving cell and neighboring cells; (2) user equipment determining if it should reply with the average signal strength information it measures and if it should initiate the inter-cell interference coordination measuring and response system; (3) serving cell then groups the user equipment as cell center user or cell edge user according to the average signal strength information reported by the user equipment; (4) serving cell allocates a frequency subchannel from cell center subband or cell edge subband according to the grouping result.

The present invention relates to a novel method and a novel device, incorporating dynamic speckle lighting with a conventional wide field fluorescence microscope organically to implement approximately confocal fluorescence microscopy (i.e., quasi-confocal fluorescence microscopy). The present invention employs an argon ion laser as the light source; the exciting light passes through a scattering object, a relay light path system for expanding and shaping, and then is coupled to the fluorescence microscope and focused to the sample. The stepping and revolution of the scattering object is controlled with a computer to produce a dynamic speckle pattern on the sample. The received fluorescent images are processed to obtain high-resolution spatial chromatographic images under no need to scan condition. The method can be used to obtain high-resolution three-dimensional chromatographic and microscopic image information of biological tissue samples in a non-intrusive manner. The device has simple structure, high cost-performance ratio, and is favorable for post data processing, easy to operate and apply; therefore, the device and method have a wide market application prospect and great significance for clinical diagnosis and life science research.

The invention relates to a heat pipe type power module of a high-efficient wind power frequency converter, which comprises a substrate, wherein, a heat pipe radiator is fixed at the rear part of the substrate, an air blower is arranged at the bottom part of the heat pipe radiator, an air introduction pipeline is arranged at the top part of the heat pipe radiator, and an exhaust fan is arranged inthe air introduction pipeline. Heat emitted by the power device is conducted onto the heat pipe radiator through the substrate during the operation process of the power module, the heat is radiated into the air introduction pipeline under the action of the air blower at the bottom part of the heat pipe radiator, and then the heat is rapidly pumped to the outside of a cabinet body of the frequencyconverter under the action of the exhaust fan in the air introduction pipeline. The heat pipe type power module of the wind power frequency converter not only has the cooling effect of water cooling,but also has a simple structure of air cooling, and the power module simultaneously avoids a complicated system of a water cooling structure and the technical difficulty caused by parallel connectionof the module of an air cooling structure, thereby improving the heat radiation efficiency of the power module of the frequency converter, enhancing the reliability of the operation of the power device, simultaneously reducing the overall design cost and the design risk of the system and realizing the higher comprehensive performance-price ratio.

The invention relates to a remote control smart water meter. The water meter comprises a casing and a water meter display system, and the water meter display system comprises an ultrasonic module, a control module and a display module; the ultrasonic module is installed in a water pipe and used for transmitting and receiving ultrasonic waves in the water pipe, recording the ascending time and descending time of the ultrasonic waves and calculating the transmission time difference of the ultrasonic waves; the control module is used for calculating a water consumption amount according to the time difference and generating water consumption amount data according to the water consumption amount; the display module is used for displaying the water consumption amount data. The remote control smart water meter monitors the water amount by means of the ultrasonic waves, the complicated process of reading gear data and the system complexity for reading the gear data through photoelectric conversion are avoided, the water meter is simple in structure and convenient to control, and data reading is easy.

The present invention relates to a wick based technique for internal humidification in a low temperature proton exchange membrane fuel cell (LT-PEMFC) which comprises electrically conducting and hydrophilic wicking material (20) such as carbon cloth or metal foam placed over the entire active area of either one or both of the anode and cathode with the bottom portion of the wick (20) dipped in a trough (14) in order to facilitate capillary action for internal humidification, a trough (14) for water transport up the wicking material (20), dry feed and ambient (28-30° C.) temperature gas supply to either anode or cathode or both electrodes, counter and co-flow operation.

The invention discloses an internally-heated small air water taking device and method based on adsorption. The small air water taking device comprises an adsorption working condition and a desorptionworking condition. Under the adsorption working condition, an air inlet fan works, the air enters a center runner in an inner porous cylinder through an air inlet and radially enters an adsorption bed, moisture absorption of the air is implemented by adsorbent, and the air passes an annular runner and a steady-flow hydrostatic cavity and then discharged. Under the desorption working condition, theair enters the center runner from the air inlet, is heated by a heating bar arranged in the center runner and flows the adsorption bed to heat the adsorbent to take away and adsorbs aggregated moisture, high-humidity air condenses water drops through circular fins, excess heat is taken away by a cooling fan, condensed water drops flow into a water storage tank along a wall surface, and water is taken by the air. The same runner is shared under the adsorption working condition and the desorption working condition, and the air centrifugally and radially flows. The device has the advantages thatthe device is small in size and simple in structure, water can still be taken at low-dew-point temperature, energy is saved and the like.

The embodiments of the invention discloses a temperature adjusting device and a control method thereof. The temperature adjusting device comprises a duct type air conditioner and an air port part connected with the duct type air conditioner. One or more groups of air port parts are arranged, and each group of air port parts is arranged at one tail end air port. The duct type air conditioner comprises a condenser and/or an evaporator, and each air port part comprises a fan assembly. According to the scheme provided by the embodiments, the air port parts comprising the fan assemblies are respectively arranged at the tail end air port to realize miniaturization and tail end of fan driving, various defects caused by adopting a high-power motor are overcome, light-weight installation can be realized, a heat exchanger with larger capacity can be adopted on the basis of not changing the occupied space, and the temperature adjusting capability is improved; and by adopting the scheme of the embodiments, the intellectualization and individuation degrees of the temperature adjusting device can be improved, and the problems of system complexity and high cost caused by the fact that a plurality of indoor units in a multi-split system need to be equipped with heat exchangers can be solved.

The invention provides a multi-image encryption method and decryption method based on a light field principle and a chaotic system, and based on the light field principle and the chaotic system, the method randomly generates the number and system parameters of light field imaging systems through the chaotic system, and constructs a plurality of corresponding light field imaging systems in a computer for encryption. And the problem of hardware limitation in a pure optical mode can be avoided by adopting a computational imaging mode. Due to the addition of the chaotic system, compared with otherproposed image encryption methods based on the light field principle, the method has the advantages that the key space is further expanded, the key sensitivity is further improved, the complexity improvement of the encryption method is limited, and the encryption and decryption speeds are not obviously reduced. And meanwhile, the common problems of system complexity, hardware limitation, decrypted image distortion and the like in common optical encryption are avoided. The method can achieve the quick and efficient encryption of a plurality of images, and is wide in application prospect in thefield where a large number of images need to be transmitted safely.

The holographic sea surface echo simulator for simulating RF sea surface echo includes frequency synthesizing unit, receiving unit, upper frequency varying unit and numerical control unit. The frequency synthesizing unit provides the receiving unit and the upper frequency varying unit with standard local vibration signal; the receiving unit processes the emitted signal from the altimeter; the upper frequency varying unit modulates the sea surface echo simulating signal or point target response signal from the numerical control unit on Chirp; and the numerical control unit completes the digital synthesis of the sea surface echo simulating signal and the point target response signal. The present invention adopts multiple frequency point digital synthesis technology to simulate sea surface echo spectrum accurately and pulse rebuilding technology to realize the accurate measurement of systemic delay and linearity of altimeter.

A hydraulic running driver system for the ground leveling machine is composed of a variable hydraulic pump on the engine, and a (combined) hydraulic motor on the drive bridge or the drive mechanism linked with said drive bridge and communicated with said variable hydraulic pump. Its advantages are simple structure, wide speed regulation range, and high automation level.

The invention relates to a compression fiber laser self-locking mode pulse composition, and belongs to the fiber laser and fiber amplifier technical field; main features are that the fiber amplifier is used for improving output performance of the fiber laser; an output end of the fiber laser is connected with a processing level formed by a fiber amplifier and a variable optical attenuator; an output of the continuous mode working fiber laser with self-locking mode phenomenon is a stable DC component superposed by a periodical light pulse, wherein the intensity of the light pulse is obviously bigger than that of the DC component; the processing system can be constructed by material and devices capable of being purchased in the market, thus realizing high cost performance; the fiber laser self structure is not changed, and the postposition processing system and simple adjustment can improve performance of the fiber laser.

The invention provides an automobile part labeling method based on data identification and a visualization system, and belongs to the technical field of data visualization. The method comprises the following steps: S100, inputting parameter characteristics of a replacement part; s200, matching part replacement positions in the automobile frame parameter structure chart; s300, after part replacement is executed, parameter characteristics of replacement parts are marked in the automobile frame parameter structure chart; s400, judging whether the part replacement position has a symmetrical position in the automobile frame parameter structure chart or not; if yes, existing part parameters of the symmetrical positions are displayed; and S500, difference comparison is carried out on the replacement part parameter characteristics and the existing part parameters at the symmetrical positions, and a difference comparison result is marked in a comparison chart of the automobile frame parameter structure chart. The visualization system comprises a human-computer interaction interface which provides a plurality of human-computer interaction buttons and a comparison display interface. The invention further provides the electronic equipment for implementing the method.

The invention relates to a boiler close-to-wall air device based on burner near-wall atmosphere soft measurement. The boiler close-to-wall air device comprises close-to-wall air nozzles, near-wall atmosphere sampling pipes, a burner and a hearth, 2-5 layers of close-to-wall air nozzles are arranged on the front wall and the rear wall near the burner and at the bottom of the hearth, and the near-wall atmosphere sampling pipes are arranged on the side wall of the hearth; the near-wall atmosphere sampling pipes are installed on the left side wall and the right side wall of the hearth, and the height of the near-wall atmosphere sampling pipes is located on the upper middle portion of a burner area; the near-wall atmosphere sampling pipes are made of heat-resistant stainless steel and are mounted on water cooling wall fins; the pipe diameter of the near-wall atmosphere sampling pipes is 10-20 mm, and 2-4 layers of near-wall atmosphere sampling pipes are arranged in total; and the near-wall atmosphere sampling pipes are connected with a flue gas analyzer. The boiler close-to-wall air device has the beneficial effects that the whole system is simple and reasonable in structure, only the the close-to-wall air nozzles and a small number of wall surface sampling test pipes need to be additionally arranged, transformation implementation is facilitated, and the technical benefit and the economic benefit are remarkable.

The invention relates to a solid femtosecond amplifying device and a method thereof. An isolator, a polarizing cube I, a rotator and a 1/2 wave plate successively arranged along an optical path are located on one side of a lens. A total reflector is also arranged on the same side of the lens. A laser crystal is arranged on the other side of the lens. A coupling mirror is arranged on the other sideof the laser crystal. The pumping light of a pumping source enters the laser crystal through a coupling system and the coupling mirror. A polarizing cube II, a 1/4 wave plate and a volume grating aresuccessively arranged on the reflection output optical path of the polarizing cube I. The solid amplification technology increases the output single-pulse energy of the amplifier. The four-way traveling wave amplification technology increases the amplifier gain, and tens of watts of amplified light output can be easily achieved. End pumping is used and seed pulse and pumping light achieve a highly spatial coincidence degree so as to achieve excellent output optical pulse quality. A pulse compression scheme uses a volume grating compression technology to achieve high-quality pulse compressionwith one device, thereby increasing power output efficiency.

The invention discloses an integrated multifunctional window based on nanofluids. The integrated multifunctional window comprises outer side glass and inner side glass, wherein laminated glass is arranged between the outer side glass and the inner side glass and is connected with the outer side glass through memory spring steel, the outer side glass, the laminated glass and the memory spring steel form a cavity, the cavity is filled with the nanofluids, a heat exchange water tank is arranged on the top of the cavity, an expansion air bag is arranged in the heat exchange water tank and communicates with the cavity through a pipeline, a water inlet pipe and a water outlet pipe are arranged on the heat exchange water tank, and a reflecting and airing device which is used for reflecting sunlight and airing clothes is connected to the outer side of the outer side glass. The integrated multifunctional window has the following beneficial effects that the nanofluids are adopted, titanium dioxide, silver, titanium nitride and carbon black can be selected as the nanofluids according to different lighting requirements, additionally, the transmittance of light is adjusted by changing the thickness of the nanofluids, continuous adjustment and flexible lighting can be realized, and the energy radiated by the sun is utilized through the heat collection effect of the nanofluids and is used for domestic hot water, so that the condition of energy waste is changed; and the reflecting and airing device is arranged, so that the utilization rate of solar energy is increased, and clothes can be aired.