A new leafhopper genus of the tribe Empoascini, Rubiparvus gen. nov., is described based on Rubiparvus bistigma sp. nov. from Yunnan (southwest China). Habitus photos and illustrations of male genitalia of this new species are given. Differences between the new genus and closely related genera are discussed. A checklist of the Alebroides generic group in the Chinese fauna is provided.

By researching the usual lose problems of field exploration, this paper puts forward and designs an effective personnel help device for tour pal to send help signal to teammates or rescue people. This device comprises a power supply, a temperature and humidity sensor, a GPS positioning, electronic compass, a 433MHz communication module, an OLED display and a micro controller module. This system uses the STM32 series ARM microcontroller with C language programming. It greatly educes the danger coefficient of the field exploration, and the cost of search work of the human, material and financial resources in the field.

Real-time VOD (Video on Demand) system is composed of a front-end processing system, a transmission networks, and a client. This paper focuses on the client software implement. It uses household STB (Set Top Box) with Hass hi3110e development platform, RTSP network protocol, and cable to control information, audio and video data transmission. The user client can start a request through cable television networks to achieve selection, storage, and playback the favorite programs anytime and anywhere.

PTV is a kind of digital television service developed by telecommunication operation business, which provides multicast, VOD and time-shifted, as well as a variety of value-added applications. The broadcasting quality of the IPTV program will determine the popularization of this service. This article mainly analyzes the broadcasting mode, monitors the key parameters and standards of IPTV program. It layouts the IPTV program broadcasting monitoring system, and defines the monitoring function to specific equipment to guide the development implementation of the system.