Abstract: A method includes: constructing an on-wafer calibration piece model set that includes one or more on-wafer calibration piece models, where each of the one or more on-wafer calibration piece models has a corresponding on-wafer calibration piece; selecting an on-wafer calibration piece model from the on-wafer calibration piece model set; measuring the on-wafer calibration piece utilizing an on-wafer S parameter measurement system that is calibrated using a multi-thread TRL calibration method in a Terahertz frequency band, to obtain an S parameter of the on-wafer calibration piece; and calculating a plurality of different parameters that represent crosstalk of calibration pieces in the on-wafer calibration piece model, according to an admittance calculated according to the S parameter and an admittance formula corresponding to the on-wafer calibration piece model.

Abstract: A multifunctional fiber with full-spectrum infrared radiation, flame retardant and antibacterial functions, including a composite masterbatch having a water content of 30-50 ppm and accounting for 10-12% by weight, polyethylene terephthalate having a water content of 25-30 ppm or polycaprolactam high polymer having a water content of 50-70 ppm and accounting for 88-90% by weight; the fiber and its fabric possess multiple functions such as spectral heating, flame retardancy, anti-bacteria and anti-virus; after being illuminated for 5-10 minutes, the temperature difference of the fiber fabric of the present invention is higher than 15-20° C., the far-infrared emissivity is greater than 98%, the radiation temperature rise is greater than 3.0° C., the CLO value is greater than 0.5, the heat transfer coefficient is greater than 18.0w/(m2k), and the thermal resistance is less than 0.05 (m2k)/w.

Abstract: An electrical cable protects against pin-short damage at a connector port. The electrical cable includes one or more sensors positioned within the connector outer body that are configured to monitor a state of the connection interface of the electrical cable. The connection interface is configured to connect to and deliver power via the connector power between a power delivery source and a power delivery sink port. A power control signal controller is configured to predict a disconnection event between the connection interface of the electrical cable and the connector port based on the monitored state of the connection interface and to trigger a reduction in voltage supplied to a voltage bus of the electrical cable by the power delivery source, based at least in part on prediction of the disconnection event.

Abstract: The present invention discloses a hydrological model considering the uncertainty of a runoff production structure and a method for quantifying influence on a surface-subsurface hydrological process. The present invention quantifies the uncertainty of runoff production structures including a surface runoff structure, an interflow structure and a base flow structure by using parameters, and constructs a hydrological model considering the uncertainty of a runoff production structure by combining an added confluence module. Compared with an original hydrological model, the hydrological model has higher precision, which is capable to quantify the uncertainty of surface runoff, interflow and base flow of the runoff production structure and its impact on the surface-subsurface hydrological process, better improve precision of runoff simulation, and enhance understanding and cognition of the basic rule of a hydrological physical process.

Abstract: The present invention discloses a control method, system, electronic device and readable storage medium for a capsule endoscope. The method includes: providing a working apparatus, comprising a capsule endoscope, and an external data recorder for cooperating with and controlling the capsule endoscope; monitoring the received ambient power by the external data recorder before wireless transmission of the capsule endoscope or during an intermittence between two transmissions, and/or monitoring the output power of the capsule endoscope by the external data recorder as data is transmitted during wireless transmission; adjusting the operating state of the working apparatus according to the ambient power and/or output power.

Abstract: A GPU-based human body microwave echo simulation method includes: transmitting emulation input parameters from the memory of a CPU host into the display memory of a GPU device; configuring, at the CPU host, parallel computing network parameters to be run at the GPU device; initiating a kernel function for human body microwave echo simulation preset in the CPU host; computing the kernel function in parallel, in a plurality of processing kernels of the GPU device, in a multi-threaded manner, according to the parallel computing network parameters, to obtain simulation echoes of human body microwaves; transmitting the obtained simulation echoes of human body microwaves from the GPU device back to the CPU host. The method makes full use of the characteristic that a GPU can perform parallel computing to accelerate the echo simulation process, greatly improving the real-time performance of echo simulation of a human body microwave scanning and imaging system.

Abstract: The present invention discloses a control method, system, electronic device and readable storage medium for a capsule endoscope. The method includes: providing a working apparatus, comprising a capsule endoscope, and an external data recorder for cooperating with and controlling the capsule endoscope; monitoring the received ambient power by the external data recorder before wireless transmission of the capsule endoscope or during an intermittence between two transmissions, and/or monitoring the output power of the capsule endoscope by the external data recorder as data is transmitted during wireless transmission; adjusting the operating state of the working apparatus according to the ambient power and/or output power.

Abstract: A portable security inspection device based on millimetre wave imaging comprising a hand-held body, wherein the hand-held body is provided with a millimetre-wave transmitting circuit for generating a millimetre-wave transmitting signal, a millimetre-wave array antenna for transmitting the millimetre-wave transmitting signal to a detected object and for receiving an echo signal reflected by the detected object, and a millimetre-wave receiving circuit for processing the echo signal and converting the echo signal into image data of the detected object.

Abstract: This invention provides millimeter wave holographic 3D imaging detection system, which comprises: a transmitting antenna configured to transmit a millimeter wave transmitting signal to an object to be detected; a receiving antenna configured to receive an echo signal from the object to be detected; a millimeter wave transceiving module configured to generate the millimeter wave transmitting signal transmitted to the object to be detected and receive and process the echo signal from the receiving antenna; a scanning device configured to support the millimeter wave transceiving module, the transmitting antenna and the receiving antenna, and move the millimeter transceiving module, the transmitting antenna and the receiving antenna along a preset track, so as to scan the object to be detected with millimeter waves; a data gathering and processing module configured to gather and process the echo signal output from the millimeter wave transceiving module to generate a 3D image of the object to be detected; and an

Abstract: The present invention discloses a capsule endoscope system, an automatic frame rate adjustment method thereof and a computer readable storage medium. The automatic frame rate adjustment method includes: receiving a first acceleration information ac(t) sensed by a first acceleration sensor in a capsule endoscope; receiving a second acceleration information am(t) sensed by a second acceleration sensor in an external device; calculating and comparing the first acceleration information ac(t) and the second acceleration information am(t) to obtain the relative motion amplitude statem(t) between the capsule endoscope and the external device; adjusting the frame rate of the capsule endoscope according to the relative motion amplitude statem(t), where, the larger the relative motion amplitude statem(t), the larger the frame rate F0(t).

Abstract: A human body gender automatic recognition method includes: acquiring a current millimeter wave grayscale image, and determining gender part region positions of a human body in the millimeter wave grayscale image according to a pre-set body proportion; extracting a region sub-image corresponding to the gender part region position; performing dimension normalization on the region sub-image to obtain a normalized region sub-image; performing feature information extraction on the normalized region sub-image to obtain feature information about the normalized region sub-image; recognizing the millimeter wave grayscale image by means of each pre-set classifier, and respectively outputting results; and integrating the output results to obtain a classification recognition result of the millimeter wave grayscale image. The method has relatively high recognition rate and calculation efficiency and solves the problem of a privacy protection and detection method in a millimeter wave security inspection system.

Abstract: This invention provides a security check apparatus for multiple human bodies based on linear frequency modulation, which comprises a scanning device, a millimeter wave signal transceiver module, and an image processing unit. The scanning device comprises several detection seats and several guideways and motors arranged on the detection seats; the detection seats are configured to accommodate persons to be security checked; a set of the millimeter wave signal transceiver modules are arranged on each guideway, and each millimeter wave signal transceiver module is driven by the motor to move along the guideway; the several detection seats are arranged in longitudinal direction. The millimeter wave signal transceiver modules are configured to transmit millimeter wave signals to the persons to be security checked and receive millimeter wave signals reflected from the persons to be security checked.

Abstract: The present invention discloses a capsule endoscope system, an automatic frame rate adjustment method thereof and a computer readable storage medium. The automatic frame rate adjustment method includes: receiving a first acceleration information ac(t) sensed by a first acceleration sensor in a capsule endoscope; receiving a second acceleration information am(t) sensed by a second acceleration sensor in an external device; calculating and comparing the first acceleration information ac(t) and the second acceleration information am(t) to obtain the relative motion amplitude statem(t) between the capsule endoscope and the external device; adjusting the frame rate of the capsule endoscope according to the relative motion amplitude statem(t), where, the larger the relative motion amplitude statem(t), the larger the frame rate F0(t).

Abstract: A positioning method for a swallowable device is provided for positioning the in vivo swallowable device. The method includes: entering the m-th positioning period, m?1; energizing p electromagnetic coils simultaneously or sequentially, p?2; obtaining the actual magnetic field information Bwt sensed by the swallowable device each time the electromagnetic coils under energized, 1?t?p; calculating the individual magnetic field information Bi at the swallowable device when the electromagnetic coils are separately energized, 1?i?p; detecting the pitch angle and roll angle of the swallowable device in the m-th positioning period; calculating the yaw angle and spatial coordinates of the swallowable device in the m-th positioning period according to the pitch angle and roll angle and the individual magnetic field information Bi.

Abstract: A control method and a control system for a capsule endoscope are provided. The control method comprises acquiring a frame rate of the capsule endoscope. The frame rate is the number of frames of images captured by the capsule endoscope per unit time. The control method further comprises controlling the number of radio frequency transmission channels that are turned on according to the frame rate. The number of radio frequency transmission channels that are turned on is at least two, and the radio frequency transmission channels transmit the captured images. The control method and control system for the capsule endoscope can adaptively distribute a plurality of radio frequency transmission channels according to the real-time position of the capsule endoscope, and further turn on the radio frequency transmission channels to transmit a plurality of signals synchronously or asynchronously.

Abstract: The present disclosure relates to a method and device for detecting concealed dangerous objects in microwave images. The method includes: simultaneously processes multiple adjacent microwave images, obtains edge images of a single image by using two methods for each image, obtains dangerous-object edges of the single image by edge fitting operation, obtains a rough dangerous-object contour by performing a registration operation and a second edge fitting operation on the dangerous-object edges of the multiple images, and performs a regional-binarization operation and a filtering on the rough dangerous-object contour to obtain a second dangerous-object area. The present disclosure has high detection accuracy and calculation efficiency.

Abstract: A human body gender automatic recognition method includes: acquiring a current millimeter wave grayscale image, and determining gender part region positions of a human body in the millimeter wave grayscale image according to a pre-set body proportion; extracting a region sub-image corresponding to the gender part region position; performing dimension normalization on the region sub-image to obtain the region sub-image after normalization; performing feature information extraction on the region sub-image after normalization to obtain feature information about the region sub-image after normalization; recognizing the millimeter wave grayscale image by means of each pre-set classifier, and respectively outputting results; and integrating the output results to obtain a classification recognition result of the millimeter wave grayscale image.

Abstract: A GPU-based human body microwave echo simulation method includes: transmitting emulation input parameters from the memory of a CPU host into the display memory of a GPU device; configuring, at the CPU host, parallel computing network parameters to be run at the GPU device; initiating a kernel function for human body microwave echo simulation preset in the CPU host; computing the kernel function in parallel, in a plurality of processing kernels of the GPU device, in a multi-threaded manner, according to the parallel computing network parameters, to obtain simulation echoes of human body microwaves; transmitting the obtained simulation echoes of human body microwaves from the GPU device back to the CPU host. The method makes full use of the characteristic that a GPU can perform parallel computing to accelerate the echo simulation process, greatly improving the real-time performance of echo simulation of a human body microwave scanning and imaging system.

Abstract: A human body security check system based on millimeter wave holographic three-dimensional imaging, comprising a mechanical scanning mechanism, millimeter wave signal transceiver units, an image processing unit (7), and an alarm unit (9).

Abstract: A method for replacing a controller on a process device that avoids downtime on a process line. The method may include retrieving data from a first controller on a valve assembly, the data comprising information that defines values for operating parameters on the first controller, removing the first controller from the valve assembly, coupling a second controller to the valve assembly, and storing data on the second controller, the data comprising information that defines the values for operating parameters corresponding with the first controller.