Abstract: A grafted polypropylene resin is prepared by a grafting reaction of a polar monomer capable of absorbing microwave so as to raise its temperature in a microwave field to more than 200° C. and a solid polypropylene resin using microwave irradiation without adding an initiator. The polar grafted polypropylene resin that does not contain initiator residues and does not have a significant reduction in molecular mass compared with a resin before grafting is obtained.

Abstract: A continuous operation method is employed for the microwave high-temperature pyrolysis of a solid material containing an organic matter. The method includes the steps of mixing a solid material containing an organic matter with a liquid organic medium; transferring the obtained mixture to a microwave field; and in the microwave field, continuously contacting the mixture with a strong wave absorption material in an inert atmosphere or in vacuum. The strong wave absorption material continuously generates a high temperature under a microwave such that the solid material containing an organic matter and the liquid organic medium are continuously pyrolyzed to implement a continuous operation.

Abstract: Disclosed are a method and a receiving device for clock frequency synchronization. The method includes the following. A user datagram protocol (UDP) packet is obtained by a receiving device. A value of the data volume of the UDP packet in the cache and a first value are performed, by the receiving device, an operation to obtain the absolute value of the difference between the value of the data volume and the first value. When the absolute value is greater than the preset threshold, a clock frequency of the crystal oscillator in the receiving device is adjusted to obtain a target clock frequency, where after the clock frequency of the crystal oscillator is adjusted, the absolute value of the difference is less than or equal to the preset threshold. The receiving device maintains clock frequency synchronization between the receiving device and the transmitting device based on the target clock frequency.

Abstract: Disclosed are a transmitting method, a receiving method, a transmitting device and a receiving device for high-definition video data. The transmitting method comprises the follows. High-definition video data with different color space formats is obtained by a transmitting device via an input interface. processing, by the transmitting device, the high-definition video data into a data packet; transmitting, by the transmitting device, the data packet to a first communication module with the transmission rate not less than a first threshold. The first communication module is configured to transmit the data packet. By the adoption of the disclosure, the transmitting device can transmit the high-definition video data to a receiving device through the first communication module and based on a network cable or an optical fiber, so that lossless high-definition video transmission with ultra-low latency can be realized.

Abstract: Disclosed are a transmitting method, a receiving method, a transmitting device and a receiving device for interface data. The transmitting method includes: interface data is obtained by the transmitting device via a first USB interface. The interface data is processed to obtain UDP packet by the transmitting device. The UDP packet is transmitted, by the transmitting device, to a first communication module. The UDP packet is transmitted to the receiving device or switch. By adopting the disclosure, ultra-low latency transmission of USB interface data between devices in long-distance transmission can be achieved.

Abstract: Provided are a method for transmitting a control instruction, a transmitting device and a receiving device. The method includes the follows. A first control instruction is obtained by a transmitting device. the first control instruction is encapsulated into a first protocol data stream. The first protocol data stream is superimposed, by the transmitting device through a first coupling network, on a second protocol data stream in the form of differential signal generated according to multimedia data to obtain a first signal, and the first signal is transmitted to a receiving device via a cable. The first signal is filtered by the receiving device to obtain a first protocol data stream, and the first protocol data stream is decapsulated to obtain a first signal. By adopting the disclosure, transmitting control instruction via the cable can realize controlling the target device connected to the receiving. The user experience is high.

Abstract: Disclosed is a transmitting method for a control instruction in long-distance transmission. The transmitting method includes the follows. A transmitting device obtains a first control instruction. The transmitting device encapsulates the first control instruction through a user datagram protocol (UDP) protocol to obtain a UDP packet. The transmitting device transmits the UDP packet to a first communication module via an input interface of the first communication module. With this disclosure, ultra-low latency transmission of the control instruction between devices in long-distance transmission can be achieved.

Abstract: Disclosed are a transmitting method, a receiving method, a transmitting device, and a receiving device for audio and video data in a long-distance transmission. The receiving method comprises the follows. A first protocol data stream is obtained by the receiving device via a second transmission medium interface. The first protocol data stream is processed by the receiving device to obtain a second preset protocol data stream and second preset audio and video data. The second preset protocol data stream is outputted by the receiving device via a third transmission medium interface. The second preset audio and video data is outputted by the receiving device via a second high definition multimedia interface (HDMI). By adopting the disclosure, the extended transmission of audio and video data can be realized, which can reduce the transmission cost and construction time. This shall result in higher user experience.

Abstract: Disclosed is a transmitting method, a receiving method, a transmitting device, a receiving device, and a transmission system for a control instruction in long-distance transmission. The transmitting method comprises the follows. A control instruction is obtained by a receiving device via a first transmission medium interface. The control instruction is encapsulated by the receiving device to obtain a packet including the control instruction. The packet is transmitted by the receiving device to a transmitting device via a second transmission medium interface. By adopting the disclosure, control of the video source device connected to the transmitting device can be achieved by transmitting the control instruction via a cable or optical fiber, and the user experience is high.

Abstract: Disclosed are a transmitting method, a receiving method, a receiving device, a transmitting device, a receiving device, and a transmission system for touch screen instruction, where the transmitting method includes the following. A receiving device obtains touch screen instruction from a touch screen via an interface of a first transmission medium, and the touch screen instruction comprises a user operation input to the touch screen. The receiving device superimposes a common mode signal obtained by processing the touch screen instruction with a differential mode signal obtained through processing the differential signal to obtain a mixed signal comprising the touch screen instruction. The receiving device transmits the mixed signal to a transmitting device via a network port. By adopting this disclosure, the touch screen instruction is transmitted via a cable, which can realize the control of the video source device connected to the transmitting device. The user experience is high.

Abstract: Disclosed are a transmitting method, a receiving method, a transmitting device, and a receiving device for a control instruction in long-distance transmission. The transmitting method includes the follows. A transmitting device obtains a first control instruction. The transmitting device encapsulates the first control instruction through a user datagram protocol (UDP) protocol to obtain a UDP packet. The transmitting device transmits the UDP packet to a first communication module via an input interface of the first communication module. With this disclosure, ultra-low latency transmission of the control instruction between devices in long-distance transmission can be achieved.

Abstract: Disclosed are a transmitting method, a receiving method, a transmitting device and a receiving device for interface data. The transmitting method includes: interface data is obtained by the transmitting device via a first USB interface. The interface data is processed to obtain UDP packet by the transmitting device. The UDP packet is transmitted, by the transmitting device, to a first communication module. The UDP packet is transmitted to the receiving device or switch. By adopting the disclosure, ultra-low latency transmission of USB interface data between devices in long-distance transmission can be achieved.

Abstract: Disclosed are a method and a receiving device for clock frequency synchronization. The method includes the following. A user datagram protocol (UDP) packet is obtained by a receiving device. A value of the data volume of the UDP packet in the cache and a first value are performed, by the receiving device, an operation to obtain the absolute value of the difference between the value of the data volume and the first value. When the absolute value is greater than the preset threshold, a clock frequency of the crystal oscillator in the receiving device is adjusted to obtain a target clock frequency, where after the clock frequency of the crystal oscillator is adjusted, the absolute value of the difference is less than or equal to the preset threshold. The receiving device maintains clock frequency synchronization between the receiving device and the transmitting device based on the target clock frequency.

Abstract: Method and device of transmitting and receiving ultra high video are provided. The method of transmitting ultra high definition video includes: acquiring ultra high definition video; compressing data, by a compression algorithm to obtain compressed data, of the ultra high definition video; packing the compressed data into user datagram protocol (UDP) data packets; transmitting the UDP data packets to a first 10-gigabit network module according to a UDP protocol. The compressed data is packaged into the UDP data packets and the UDP data packets are transmitted by the 10-gigabit network module, thereby realizing the high-efficiency transmission of video data based on the 10-gigabit network and UDP protocol stack. A transmission system is also provided.

Abstract: Disclosed are a transmitting method, a receiving method, a transmitting device, and a receiving device for audio and video data in a long-distance transmission. The receiving method comprises the follows. A first protocol data stream is obtained by the receiving device via a second transmission medium interface. The first protocol data stream is processed by the receiving device to obtain a second preset protocol data stream and second preset audio and video data. The second preset protocol data stream is outputted by the receiving device via a third transmission medium interface. The second preset audio and video data is outputted by the receiving device via a second high definition multimedia interface (HDMI). By adopting the disclosure, the extended transmission of audio and video data can be realized, which can reduce the transmission cost and construction time. This shall result in higher user experience.

Abstract: Provided are a data transmitting method, a data receiving method, a transmitting device, a receiving device, a transmission system, and a computer storage medium. The transmitting method includes the following. multimedia data is obtained, the multimedia data is processed to obtain a first data with YUV420 format. the first data is encapsulated, through a user datagram protocol (UDP), to obtain a UDP data packet. the UDP data packet is transmitted to a first communication module via an input interface of the first communication module. By adopting the disclosure, the transmission cost can be reduced, a better solution is provided for the long-distance transmission of high-definition video data, and the user experience is high.

Abstract: This application discloses a transmitting device, a receiving device, a transmitting method, and a receiving method for multimedia data. The transmitting device includes a HDMI, a first compression module, a first encapsulation module, and a first 5G communication module. The HDMI is configured to obtain multimedia data; the first compression module is configured to compress the multimedia data to obtain code stream data; the first encapsulation module is configured to encapsulate the code stream data through a communication protocol to obtain a protocol data stream; the first 5G communication module is configured to transmit the protocol data stream; and the HDMI, the first compression module, the first encapsulation module, and the first 5G communication modules are connected in sequence, and the first 5G communication module is configured to communicate with the receiving device.

Abstract: Provided are a method for transmitting a control instruction, a transmitting device and a receiving device. The method includes the follows. A first control instruction is obtained by a transmitting device. the first control instruction is encapsulated into a first protocol data stream. The first protocol data stream is superimposed, by the transmitting device through a first coupling network, on a second protocol data stream in the form of differential signal generated according to multimedia data to obtain a first signal, and the first signal is transmitted to a receiving device via a cable. The first signal is filtered by the receiving device to obtain a first protocol data stream, and the first protocol data stream is decapsulated to obtain a first signal. By adopting the disclosure, transmitting control instruction via the cable can realize controlling the target device connected to the receiving. The user experience is high.