?????????????????????У?

????1?? ???書???? TX power level(5??19)

????2?? ?????? frequency FER

????3?? ??λ??? Phase PER

????4?? ??????  RF Spectrum

????5?? ??????   SwitchSpectrum

????6?? ?????????  RX Sensitivity

????7?? ??????  Modulation Spectrum

???????????????????豸??

????1?? ???????????????   ??1????-????????CMU200

????2?? ????????    ??2304A??????????????????????????? ????仯??????????????????????????????????????????????????????????????豸??????????綽?????????????????????????????仯???????????????????

????3?? ????о??

????4?? ??????????  labview??VB??    labview???????

???????????

??????????????????????????????????????????????CMU????????????????PS?????????CMU???г????????????????????MSC????????IMSI???????MS??BS??????????У?????г???????????????GSM900????????????????1????????????Lv5??Lv10??Lv15??????書???????????????????1??FER??????????PER????λ?????????????????????????62??123????書???FER??PER??????GSM900??Modulation Spectrum(??????)??SwitchSpectrum(??????)????GSM900?л???DCS1800?????????512??69 8??885??????書???FER??PER??ModulationSpectrum??SwitchSpectrum?????????????????κβ????????????????????FAIL???????????????????????????PASS??????????????

?????????????????????"????????豸"??"?????CMU"??"???????"??"??????? ???????CMU????????"??"??в?????"??"???????"??????????豸???GSM900??DCS1800???????豸??????趨GPIB????????????????????μ?????CMU??????????????????????????????????в????

????????в??????????書???????????????????書???????????????????????? ????????????????????????????????????????????????С?????????????????????????????????????????????????????????????????????????????????????????2 dB??