港口高精度GPS控制产品及解决方案(5)

Minimal data latency 2 separate WAAS channels

Superior interference suppression (both in-band &out-of-band) Patented multipath rejection

Supports RTCM messages 18/19 & 20/21, CMR format& NavCom’s compact binary RTK format. Supports NMEA 0183 (e.g. GGA, GLL, VTG) Event Marker Input

Fast acquisition / re-acquisition Self survey mode (position averaging) Measurement Precision (RMS): Raw C/A code: 20 cm @ 42 dB-Hz Raw carrier phase noise: L1: 0.75 mm @ 42 dB-Hz L2: 0.85 mm @ 42 dB-Hz

Real-time RTK Accuracy** (RMS): Position (H): < 1cm + 1ppm Position (V): < 2 cm + 1ppm Data Latency:

PVT: < 20 ms at all nav rates Raw data: < 20 ms at all rates Time-to-first-fix:

Cold Start: < 60 sec (typical) Reacquisition:

Brief Loss of Signal (less than 3 sec): << 1 second

3． AGSS控制曲线

实际控制曲线如下，由图可以看出，RTGC的实际控制轨迹在±10cm以内。

4． PDS界面

PDS应用软件包含6个用户界面Main Screen、Status Display、DGPS Status、Sys Config、Set Config、AGSS Debug Data，如下图所示：