单比特数字接收机测频测向性能研究的中期报告摘要：本中期报告介绍了单比特数字接收机的测频测向性能研究进展情况。首先介绍了单比特数字接收机的基本原理，包括自适应门限解调、信号分集和信号分类等。然后介绍了测频测向性能评价指标，包括测向精度、测向范围和测向速度等。接着，针对不同信号环境，设计了不同的评估实验，验证了单比特数字接收机的测频测向性能。最后，总结了目前的研究工作，指出了未来的研究方向。关键词：单比特数字接收机；测频；测向；信号分集；自适应门限解调Abstract:Thismidtermreportintroducestheresearchprogressoffrequencyanddirectionestimationperformanceofasingle-bitdigitalreceiver.Firstly,thebasicprinciplesofthesingle-bitdigitalreceiveraredescribed,includingadaptivethresholddemodulation,signaldiversityandsignalclassification.Then,performanceevaluationindicatorsforfrequencyanddirectionestimationareintroduced,includingdirectionaccuracy,directionrangeanddirectionspeed.Next,fordifferentsignalenvironments,differentevaluationexperimentsaredesignedtoverifythefrequencyanddirectionestimationperformanceofthesingle-bitdigitalreceiver.Finally,thecurrentresearchworkissummarized,andfutureresearchdirectionsarepointedout.Keywords:Single-bitdigitalreceiver;frequencyestimation;directionestimation;signaldiversity;adaptivethresholddemodulation.