Abstract: A frequency allocation method includes receiving, by a control device, a frequency allocation message using a dedicated channel, wherein the frequency allocation message carries a node identifier and a received signal strength information for a frequency, and determining, according to the frequency allocation message, a station needing frequency allocation, and obtaining node information of each station in a network. The method further includes computing, according to the received signal strength information for the frequency of the station needing frequency allocation and further according to the node information of each station, an optimum working frequency of the station needing frequency allocation, and allocating the optimum working frequency to the station needing frequency allocation.

Abstract: The present invention discloses an image display control method and an image display control device for realizing an ideal display result of chroma by compensating the chroma values of all sub-pixels used for displaying the current frame of an image. The image display control method comprises: acquiring chroma values, output by a signal source, of all sub-pixels needed when a display device displays the current frame of an image; adjusting the acquired chroma values of all the sub-pixels according to pre-stored chroma compensation values corresponding to respective sub-pixels to obtain adjusted chroma values corresponding to respective sub-pixels; and driving the display device according to the adjusted chroma values corresponding to respective sub-pixels to display the current frame of the image.

Abstract: The present disclosure provides a backlight module and a display device. The backlight module includes a back plate and a light guide plate on the back plate. The light guide plate includes a light incidence side. An edge of the light guide plate that is adjacent to the light incidence side has an inclined first portion. An angle defined between the inclined first portion and the light incidence side is an obtuse angle. At least one first column is on the back plate at a position corresponding to the first portion of the edge adjacent to the light incidence side of the light guide plate. Each first column is in contact with the first portion of the light guide plate.

Abstract: The embodiments of the present invention provide a direct type backlight module and a display device to reduce the light mixing distance on the premise of obtaining a homogeneous illumination, thereby reducing the thickness of the direct type backlight module and the thickness of the entire display device.

Abstract: Embodiments of the present invention provide a method for measuring co-channel signal interference, and a receiver, where the method includes precisely obtaining, by measuring temperature and by using a stored noise figure, a signal to noise ratio of a low power signal in a case in which there is no co-channel signal interference; obtaining, by controlling a transmit power, at least one group of receive powers and signal to noise ratios of the receiver, to obtain a signal to noise ratio of the low power signal during actual operation; and calculating an interference power according to a difference between the signal to noise ratio of the low power signal in a case in which there is no co-channel interference and the signal to noise ratio of the low power signal during actual operation.

Abstract: A color deviation balance thin film, a side-type backlight module and a liquid crystal display device. The color deviation balance thin film is applied to the side-type backlight module and the thickness of the color deviation balance thin film is gradually reduced along the backlight irradiation direction. The color deviation balance thin film is arranged in the side-type backlight module and the side-type backlight module with the color deviation balance thin film is arranged in the liquid crystal display device. When the side-type backlight module with the color deviation balance thin film is applied to the liquid crystal display device, the intensity difference of light at different positions along the backlight irradiation direction can be reduced, and the problem of the color deviation generated in the display picture can be effectively improved.

Abstract: The present invention discloses an image display control method and an image display control device for realizing an ideal display result of chroma by compensating the chroma values of all sub-pixels used for displaying the current frame of an image. The image display control method comprises: acquiring chroma values, output by a signal source, of all sub-pixels needed when a display device displays the current frame of an image; adjusting the acquired chroma values of all the sub-pixels according to pre-stored chroma compensation values corresponding to respective sub-pixels to obtain adjusted chroma values corresponding to respective sub-pixels; and driving the display device according to the adjusted chroma values corresponding to respective sub-pixels to display the current frame of the image.

Abstract: Embodiments of the present invention provide a method for measuring co-channel signal interference, and a receiver, where the method includes precisely obtaining, by measuring temperature and by using a stored noise figure, a signal to noise ratio of a low power signal in a case in which there is no co-channel signal interference; obtaining, by controlling a transmit power, at least one group of receive powers and signal to noise ratios of the receiver, to obtain a signal to noise ratio of the low power signal during actual operation; and calculating an interference power according to a difference between the signal to noise ratio of the low power signal in a case in which there is no co-channel interference and the signal to noise ratio of the low power signal during actual operation.

Abstract: A color deviation balance thin film, a side-type backlight module and a liquid crystal display device. The color deviation balance thin film is applied to the side-type backlight module and the thickness of the color deviation balance thin film is gradually reduced along the backlight irradiation direction. The color deviation balance thin film is arranged in the side-type backlight module and the side-type backlight module with the color deviation balance thin film is arranged in the liquid crystal display device. When the side-type backlight module with the color deviation balance thin film is applied to the liquid crystal display device, the intensity difference of light at different positions along the backlight irradiation direction can be reduced, and the problem of the color deviation generated in the display picture can be effectively improved.

Abstract: In the field of signal processing technologies, a microwave transmission apparatus, a signal processing method and device in a microwave transmission apparatus are provided, which are capable of improving the signal-to-noise ratio of the service signal and the reliability of the communication signal, and increasing the distance between an indoor unit (IDU) and an outdoor unit (ODU). In the technical solutions, a signal processing method in a microwave transmission apparatus includes: directly multiplexing at least a service signal and a non-service signal, and converting the multiplexed electric signal into a multiplexed optical signal; and sending the multiplexed optical signal to an ODU.

Abstract: A method provided by the present invention for transmitting overhead information, includes dividing and reforming overhead information into at least two overhead parts, inserting the at least two overhead parts into overhead bytes of at least two corresponding data frames, and transmitting the at least two overhead parts via the at least two data frames which are microwave frames. Overhead information transmitting apparatus and overhead information receiving apparatus are also provided by the present invention. With the method and apparatus of the present invention, the channel bandwidth resources occupied by the overhead bytes or each microwave frame are greatly reduced. If the saved channel bandwidth is used for performing the error correction code on the transmitted information, the code gain is improved and the sensitivity requirement on the receiver is reduced so that the cost of a microwave transmitting system is reduced eventually.

Abstract: In the field of signal processing technologies, a microwave transmission apparatus, a signal processing method and device in a microwave transmission apparatus are provided, which are capable of improving the signal-to-noise ratio of the service signal and the reliability of the communication signal, and increasing the distance between an indoor unit (IDU) and an outdoor unit (ODU). In the technical solutions, a signal processing method in a microwave transmission apparatus includes: directly multiplexing at least a service signal and a non-service signal, and converting the multiplexed electric signal into a multiplexed optical signal; and sending the multiplexed optical signal to an ODU.

Abstract: A frequency conversion device, method, and system are described. The device includes a first intermediate frequency (IF) filter, a first local oscillator, an up frequency converter, and a first duplexer. The first IF filter is adapted to receive an IF signal, and send the IF signal after performing an IF filtering on the IF signal. The up frequency converter is adapted to receive the IF signal after the IF filtering and a local oscillator signal, perform an up frequency conversion on the IF signal to obtain a microwave signal according to the local oscillator signal, and send the microwave signal. The first duplexer is adapted to receive the microwave signal, and send the microwave signal after performing a band pass filtering on the microwave signal. By the use of the frequency conversion device, the frequency conversion of a digital microwave outdoor unit (ODU) once is thus realized.

Abstract: A method provided by the present invention for transmitting overhead information, includes dividing and reforming overhead information into at least two overhead parts, inserting the at least two overhead parts into overhead bytes of at least two corresponding data frames, and transmitting the at least two overhead parts via the it least two data frames which are microwave frames. Overhead information transmitting apparatus and overhead information receiving apparatus are also provided by the present invention. With the method and apparatus of the present invention, the channel bandwidth resources occupied by the overhead bytes or each microwave frame are greatly reduced. If the saved channel bandwidth is used for performing the error correction code on the transmitted information, the code gain is improved and the sensitivity requirement on the receiver is reduced so that the cost of a microwave transmitting system is reduced eventually.