摘要：【中文】本发明公开了一种基于多通道5G信号处理平台实现小区搜索的方法，包括通过计算粗同步点和扇区标识N_2_ID，通过确定扇区标识N_2_ID所对应的时域主同步信号序列，接收粗同步点采样前后D/2点数据；再判断循环前缀CP的类型；对时域主同步信号序列和时域辅同步信号序列做傅里叶变换，结合频域主同步信号序列得到频域信道冲击响应；根据扇区标识N_2_ID和频域信道冲击响应得到频域辅同步信号序列，对频域辅同步信号序列做信道补偿，然后与时域辅同步信号序列进行卷积运算，完成小区搜索。本发明对5G信号滑动相关数据抽样处理，从而减少滑动相关计算量，达到提升小区搜索的速度，避免了因5G信号采样率高、带宽大导致小区搜索耗时的问题。 【EN】The invention discloses a method for realizing cell search based on a multi-channel 5G signal processing platform, which comprises the steps of calculating a coarse synchronization point and a sector identifier N _2_ ID, and receiving D/2 point data before and after sampling the coarse synchronization point by determining a time domain main synchronization signal sequence corresponding to the sector identifier N _2_ ID; judging the type of the cyclic prefix CP; performing Fourier transform on the time domain main synchronous signal sequence and the time domain auxiliary synchronous signal sequence, and combining the frequency domain main synchronous signal sequence to obtain frequency domain channel impact response; and obtaining a frequency domain auxiliary synchronization signal sequence according to the sector identifier N _2_ ID and the frequency domain channel impact response, performing channel compensation on the frequency domain auxiliary synchronization signal sequence, and performing convolution operation on the frequency domain auxiliary synchronization signal sequence and the time domain auxiliary synchronization signal sequence to complete cell search. The invention samples and processes the 5G signal sliding related data, thereby reducing the sliding related calculation amount, achieving the purpose of improving the speed of cell search and avoiding the problem of time consumption of cell search caused by high sampling rate and large bandwidth of the 5G signal.

摘要：【中文】本发明提供了一种多通道5G基站测试装置及测试方法，测试装置包括：人机交互控制界面、高性能CPU处理单元、基带信号产生和分析处理单元、射频发射分机和射频接收分机，人机交互控制界面与高性能CPU处理单元相连接，高性能CPU处理单元与基带信号产生和分析处理单元相连，基带信号产生和分析处理单元通过高速光纤接口分别与射频发射分机和射频接收分机相连。本发明同时对5G基站的上行链路和下行链路进行多通道测试，大大提高了测试效率，降低了5G基站的生产周期；远程控制测试方式可使测试人员避免长时间处于基站运行的环境，降低了对测试人员的危害；同时，多通道的测试装置也大大降低了5G基站的生产成本。 【EN】The invention provides a multi-channel 5G base station testing device and a testing method, wherein the testing device comprises: the system comprises a man-machine interaction control interface, a high-performance CPU processing unit, a baseband signal generating and analyzing processing unit, a radio frequency transmitting extension and a radio frequency receiving extension, wherein the man-machine interaction control interface is connected with the high-performance CPU processing unit, the high-performance CPU processing unit is connected with the baseband signal generating and analyzing processing unit, and the baseband signal generating and analyzing processing unit is respectively connected with the radio frequency transmitting extension and the radio frequency receiving extension through high-speed optical fiber interfaces. The invention simultaneously carries out multi-channel test on the uplink and the downlink of the 5G base station, greatly improves the test efficiency and reduces the production cycle of the 5G base station; the remote control test mode can prevent the tester from being in the environment of the base station for a long time, thereby reducing the harm to the tester; meanwhile, the multi-channel testing device greatly reduces the production cost of the 5G base station.

摘要：【中文】本发明公开了一种模块化可编程光伏系统功率检测装置及方法，属于光伏发电系统测试方法领域，包括测试主机、扩展模块和并网逆变器；测试主机通过扩展模块对并网逆变器的电压和电流通道进行测量，测试主机通过RS485通信线缆与扩展模块进行通信，扩展模块通过内置RS485通信模块级联，实现测试主机的测试通道的扩展；测试主机发送广播指令扫描扩展模块，扩展模块接收到测试主机的广播指令后发送模块编号至测试主机，建立连接，接收测试主机的指令进行测试和数据传输。本发明可根据使用需要采用RS485通信方式进行级联测量，降低了测试通信成本，扩展了测试通道，解决了多路电压通道和多路电流通道数据的同时测量分析的问题。 【EN】The invention discloses a device and a method for detecting power of a modularized programmable photovoltaic system, belonging to the field of a test method of a photovoltaic power generation system, and comprising a test host, an expansion module and a grid-connected inverter; the testing host machine measures voltage and current channels of the grid-connected inverter through the extension module, communicates with the extension module through the RS485 communication cable, and is cascaded through the built-in RS485 communication module to realize extension of the testing channel of the testing host machine; the test host sends a broadcast instruction to scan the extension module, the extension module sends a module number to the test host after receiving the broadcast instruction of the test host, connection is established, and the instruction of the test host is received to carry out testing and data transmission. According to the invention, the RS485 communication mode can be adopted for cascade measurement according to the use requirement, so that the test communication cost is reduced, the test channel is expanded, and the problem of simultaneous measurement and analysis of data of multiple voltage channels and multiple current channels is solved.