43results about How to "Detection will not affect" patented technology

The invention discloses an inhibiting method of background noise based on multiple statistical models and minimum mean square deviation, which comprises the following steps: proceeding short-time Fuliye transmission for voice signal corresponding to present input frame; utilizing the frame to retain the pure voice amplitude variance estimation and noise amplitude variance estimation on each frequency; calculating the estimation of real part and imaginary part corresponding to each frequent component of voice signal in the present frame; counting the probability of non-existed prior voice of each component frequency of the input frame; modifying the estimation result of real part and imaginary part of each frequency component; obtaining the true distribution of voice and noise in the real applying precisely; improving the inhibiting effect with stable estimating course; reducing the calculating complexity; fitting for kinds of voice communicating systems.

The invention discloses a photoelectric correction sensor for a variable semitransparent coiled material and a detection method for the same, and belongs to the technical field of photoelectric correction detection. The photoelectric correction sensor and the detection method for the same are free from the influence of the stretching state of the detected coiled material during correction detection on the stretchable semitransparent detected coiled material. The photoelectric correction sensor comprises a support, wherein three groups of identical photoelectric detection units are arranged on the support, each group of the photoelectric detection units comprises a light source, a first collimation lens, a second collimation lens and a photosensitive device, the light source, the first collimation lens, the second collimation lens and the photosensitive device in the same group of the photoelectric detection units are sequentially arranged from top to bottom along a vertical straight line, the light source is arranged at the focus of the first collimation lens, the first collimation lens and the second collimation lens are oppositely arranged in parallel, and the photosensitive device is arranged at the focus of the second collimation lens; the voltage output end of each photosensitive device is in one-to-one connection with the three voltage output interfaces of the photoelectric correction sensor respectively.

The invention discloses a heat exchange device. The heat exchange device comprises a draught fan and a detection device body. The detection device body comprises two signal elements used cooperatively with each other. Signal emission and induction are conducted between the two signal elements. One signal element is arranged on one draught fan blade and rotates along with the draught fan, and the relative position between the other signal element and the signal element arranged on the draught fan blade is constantly changed. Or, the two signal elements are oppositely arranged on the two sides of the draught fan blades. The invention further provides a draught fan fault detection method and device. According to the heat exchange device and the draught fan fault detection method and device, the problem that fault detection cannot be conducted on the draught fan when a draught fan electrical system is broken down is solved.

The invention discloses a primer, a fluorescent probe and a method for detecting target nucleic acid sequences. Quenching groups or fluorescent groups are modified at proximal ends 3' of the primer, fluorescent groups or quenching groups are modified at proximal ends 3' of the fluorescent probe, the to-be-detected nucleic acid sequences are used as templates, PCR (polymerase chain reaction) is carried out by the aid of the primer and the fluorescent probe, and dissolution curves are analyzed after the reaction is carried out, can be plotted and can be used for detecting the target nucleic acid sequences. The primer, the fluorescent probe and the method have the advantages that the method is high in specificity and sensitivity, background signals among probes are free of mutual interference, and accordingly multiple PCR can be clearly interpreted.

The invention discloses an agricultural planting soil real-time detection system. The system comprises a base, a lifting box, a data processing module, a miniature optical spectrum instrument and a PC; the left side of the top end surface of the base is vertically provided with a threaded rod and a guide rod; the threaded rod penetrates through the upper side wall and lower side wall of the rightend of the lifting box and is rotationally sleeved with a first gear disc through an external thread; the left side of the top end surface of the lifting box is provided with a servo motor; the top end of a transmission shaft is fixedly sleeved with a second gear disc located at the inner cavity of the lifting box; the left side of the bottom end of the lifting box is fixedly provided with a detection sleeve; the bottom end of the outer wall of the detection sleeve is radially provided with a detection head; the signal input port of the miniature optical spectral instrument is connected with the detection head through a wire; the transmission shaft extends to a position below the detection sleeve and is connected with a spiral drill bit; the PC comprises a calculation processing module; and the calculation processing module is connected with the data processing module through a communication module. With the agricultural planting soil real-time detection system of the invention adopted, soil layers of different depths in a planting area are detected in real time, so that related technicians can be facilitated to judge soil quality conditions.

The invention discloses a biological particle detection system based on a gelatin detection baseband. The system comprises a sealed dark chamber, a detection box, an air path system, an optical system, a photoelectric conversion module, and an air extracting pump, wherein the sealed dark chamber is provided with an air outlet, the detection box is arranged inside the sealed dark chamber, and comprises a baseband coated with gelatin, and a baseband driving device, the air path system is provided for collecting and ejecting aerosol biological particles, the optical system comprises a LED light source and an optical lens, and is provided for aerosol biological particle monitoring analysis, the photoelectric conversion module is provided for photoelectric conversion, and the air extracting pump is provided for generating negative pressure in the sealed dark chamber. With the nozzle of the air path system, the aerosol biological particles are ejected on the baseband coated with the gelatin to form a circular aerosol biological particle sample spot for detection, the baseband driving device drives the baseband to convey the sample spot to a fixed monitoring point, the probe of the optical lens completes data acquisition of the biological particle characteristics of the sample spot. The system has the following advantages that: the control precision is high, the detection result has high reliability, the monitoring can be continuously performed for not less than 70 hours, the system is convenient to use, and the like.

The invention discloses a novel direct bilirubin detection kit. The novel direct bilirubin detection kit consists of a reagent R1 and a reagent R2, wherein the reagent R1 consists of a Tris-HCl tartaric acid sodium hydroxide buffer solution, glycerine, dithiothreitol, silver nitrate, methyl isobutyl ketone, triton X-100, Na2-EDTA and oxammonium hydrochloride; the reagent R2 consists of sodium hydrogen phosphate, sodium biphosphate, sodium persulfate, Na2-EDTA and NaCl. All the components are scientifically combined, the accuracy in measuring a sample within 0-400 [mu]mol/L is relatively good, the precision is high, the repeatability is good, the anti-interference ability is strong, the reagents are relatively good in stability, and the novel direct bilirubin detection kit is suitable for a full-automatic biochemical analyzer and has a high clinical use value.

The invention discloses a cell characteristic parameter detection platform. The cell characteristic parameter detection platform is characterized in that a loading station, a cell size measurement station, a cell voltage measurement station and an unloading station are arranged on a working table, are sequentially arranged and are all positioned on the same axis; a cell size measurement unit is arranged on the cell size measurement station and the cell size measurement unit is connected with an industrial personal computer; a cell parameter measurement unit is arranged on the cell voltage measurement station and the cell parameter measurement unit is connected with the industrial personal computer; a sliding table for linearly reciprocating is arranged on the working table and the slidingtable is connected with the industrial personal computer; the sliding table is positioned right below each station; an object stage is arranged on the sliding table; and the object stage linearly reciprocates among all the stations under the action of the sliding table. According to the detection platform provided by the invention, detection efficiency of cell characteristic parameters is improved, automation of enterprise detection is promoted, and the cell characteristic parameter detection platform is helpful for production efficiency and benefits of an enterprise.

The invention discloses an integrated detection platform for V-belt finished product detection, relates to the technical field of V-belt detection, and aims to solve the problem that an existing detection device can only detect one finished product at a time. A first inner cavity and a second inner cavity are formed in the device bottom box, three fixed table plates are installed on one side of the upper end of the device bottom box, and a first transmission rod and a second transmission rod are installed on the two sides of the outer portions of the fixed table plates correspondingly. One end of the first transmission rod and one end of the second transmission rod penetrate through the fixed table plate and extend into the device bottom box, a first transmission gear is installed on the side, opposite to the interior of the device bottom box, of the exterior of the first transmission rod, and a third transmission gear is installed on the side, opposite to the interior of the device bottom box, of the exterior of the second transmission rod; and a second lifting device is installed on one side of the lower end in the first inner cavity, a second transmission gear is installed at the upper end of the second lifting device, and a third lifting device is installed on one side of the lower end in the second inner cavity.

The embodiment of the invention discloses silicon carbide flaw detection equipment, and belongs to the technical field of semiconductor detection. According to the technical scheme, the equipment comprises a supporting frame, an objective table and an imaging device are arranged on the supporting frame, the imaging device is located above the objective table, and a through hole is formed in the objective table; a first light source irradiating to the objective table is arranged at the position, between the imaging device and the objective table, of the supporting frame, and a transmission light source irradiating to the objective table is arranged at the position, below the objective table, of the supporting frame; a polarized light source irradiating the objective table is further arranged at the position, below the transmission light source, of the supporting frame; a polarization tester is arranged at a position, below the imaging device, of the support frame; and the polarization tester can rotate and is separated from the right lower part of the imaging device. The invention can solve the problems that in the prior art, due to the fact that whether flaws exist on a silicon carbide substrate or not is directly observed with naked eyes, detection is relatively strenuous and not accurate enough.

The embodiment of the invention provides a video lag detection method and device, computing equipment and a medium. According to the invention, the target position parameter used for indicating the position of the video playing area in the video frame is determined based on the at least one first video frame in the to-be-processed video, so that the video playing area is determined from the second video frame based on the target position parameter under the condition that the at least one second video frame in the to-be-processed video is acquired. Therefore, based on the video playing areas in the two adjacent second video frames in the to-be-processed video, the lagging condition of the to-be-processed video is detected, and the video playing areas only comprise the video pictures, so that the existence of comments, gifts and the like outside the video pictures does not affect the detection of the lagging condition of the video, and the detection accuracy is improved. And thus, the accuracy of video lag detection can be improved.

The invention belongs to the field of nutrition pumps. The invention discloses a blockage detection device and method for a nutrition pump and the nutrition pump. The device comprises a sliding piece,a magnetic piece and a sensor; the sliding piece is slidably arranged on a support of the nutrition pump; the sliding piece comprises a first end face and a second end face which are oppositely arranged; the first end face is used for abutting against a liquid inlet area of a pump pipe arranged on the support, and the second end face is used for abutting against a liquid outlet area of the pump pipe; the magnetic part is arranged on the sliding part; the sensor is arranged on the support and is used for detecting blockage of the pump pipe according to the magnetic induction intensity change of the magnetic part. When the liquid inlet area is blocked, the section of the pump pipe at the liquid inlet area is reduced, so that the sliding part drives the magnetic part to move towards the liquid inlet area; and when the liquid outlet area is blocked, the section of the pump pipe at the liquid outlet area is enlarged, so that the sliding piece drives the magnetic piece to move towards the liquid inlet area. According to the invention, whether the pump pipe is blocked or not can be directly detected, power consumption is smaller, and the requirement for the use environment is low.