Portable multifunctional signal measuring instrument for digital broadcasting television
A technology for digital broadcasting, television and signal measurement, applied in the field of communication, which can solve the problems of inconvenient operation, time-consuming and labor-intensive, and single function.
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[0061] The embodiment of the present invention provides a portable multifunctional digital radio and television signal measuring instrument, which integrates the measurement of various radio and television systems, has powerful data analysis and processing capabilities and rich functional applications, and can meet the needs of external work at a relatively low cost. convenience.
[0062] The CA card is the CMMB mobile TV CA decryption card, which is used on CMMB mobile TV terminal equipment, and is aimed at terminal equipment in some cities where CMMB is encrypted. China Mobile Multimedia Broadcast TV Card is a user management card used on CMMB mobile TV terminals, such as mobile phones, GPS, PMP, MP4, MP5, TV sticks, etc.
[0063] see figure 1 and figure 2 , the portable multifunctional digital radio and television signal measuring instrument in the embodiment of the present invention includes a minimum system module 1, a DVB signal input and demodulation module 2, a syst...
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