发明名称 |
Digital test signal generation system combines external and stored modulation signals allows real time test of many channels |
摘要 |
The digital test signal generation system adds synchronised I and Q modulations generated for different groups of channels by an external modulation generator (2) and internal stored modulation coder (1) for modulation as a radio frequency test signal.
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申请公布号 |
DE19957093(A1) |
申请公布日期 |
2001.05.31 |
申请号 |
DE19991057093 |
申请日期 |
1999.11.26 |
申请人 |
ROHDE & SCHWARZ GMBH & CO. KG |
发明人 |
KERNCHEN, WOLFGANG;BRAUNSTORFINGER, THOMAS |
分类号 |
H04L1/24;(IPC1-7):H04L27/36 |
主分类号 |
H04L1/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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