无线电工程
無線電工程
무선전공정
RADIO ENGINEERING OF CHINA
2012年
11期
48-50
,共3页
信道测试%数据存储%散射通信%电平检测
信道測試%數據存儲%散射通信%電平檢測
신도측시%수거존저%산사통신%전평검측
channel test%data storage%scatter communication%level detection
针对散射信道测试的必要性,设计了能够自动存储测试数据、达到无人值守状态的新型散射信道测试机。介绍了测试机的组成、工作原理和技术优势,详细剖析了基于Nios II的SD卡存储技术和载波频率校准技术的设计思路和实现方案,给出了新型散射信道测试机的性能测试结果。结果表明,新型散射信道测试机测试精度高、检测能力强,自动存储功能稳定可靠。
針對散射信道測試的必要性,設計瞭能夠自動存儲測試數據、達到無人值守狀態的新型散射信道測試機。介紹瞭測試機的組成、工作原理和技術優勢,詳細剖析瞭基于Nios II的SD卡存儲技術和載波頻率校準技術的設計思路和實現方案,給齣瞭新型散射信道測試機的性能測試結果。結果錶明,新型散射信道測試機測試精度高、檢測能力彊,自動存儲功能穩定可靠。
침대산사신도측시적필요성,설계료능구자동존저측시수거、체도무인치수상태적신형산사신도측시궤。개소료측시궤적조성、공작원리화기술우세,상세부석료기우Nios II적SD잡존저기술화재파빈솔교준기술적설계사로화실현방안,급출료신형산사신도측시궤적성능측시결과。결과표명,신형산사신도측시궤측시정도고、검측능력강,자동존저공능은정가고。
Considering the importance and necessity of scatter channel test,a novel tester prototype is designed,through which the test data can be automatically saved in an unmanned mode.The components,operation principle and technical advantages of the tester prototype are introduced.Additionally,the SD card storage and carrier frequency adjustment techniques are analyzed in detail,including the schematic design and realization proposal.The capability test result of the tester prototype shows its good performance in test accuracy and detection capability as well as its stable and reliable auto storage function.
