http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
기니픽에서 흡연 노출에 의한 젤라틴 분해 단백 효소의 발현 양상에 관한 연구
강민종 ( Kang Min Jong ),이재호 ( Lee Jae Ho ),유철규 ( Yu Cheol Gyu ),이춘택 ( Lee Chun Taeg ),정희순 ( Jeong Hui Sun ),서정욱 ( Seo Jeong Ug ),김영환 ( Kim Yeong Hwan ),한성구 ( Han Seong Gu ),심영수 ( Sim Yeong Su ) 대한결핵 및 호흡기학회 2001 Tuberculosis and Respiratory Diseases Vol.50 No.4
CDMA 이동통신에 적용 가능한 복조기 구조 및 길쌈부호의 성능
염흥열,박동규,서정욱 순천향대학교 1994 논문집 Vol.17 No.3
Spread spectrum system has been widely used in military communication sectors, but recently its application will be extended to commercial communication sectors, especially to digital mobile system. Demodulation algorithm and decoding algorithm influence the performance of CDMA system critically. In forward channel, Viterbi decoding algorithm with powerful and robust (2,1,8) convolutional codes is used for error correction. In this paper. We presented the basic structure of QPSK demoulator for CDMA, and solved symbol error probability of QPSK demodulator and system capability of CDMA system. And we presented after-decoding error probability of convolutional code. The result of this paper can be widely used for demodulator of digital mobile system.