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Marine navigation radar

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Product Details

1. Product Introduction

Navigation radar is one of the most important components of marine navigation equipment. By transmitting electromagnetic waves at a fixed frequency and detecting the echo signals, and by integrating data obtained from other navigation devices and sensors, it serves purposes such as navigational assistance and collision avoidance, thereby enhancing navigational safety. It is often referred to as the "eyes" of ship navigation. The CMC-ARPA series radars comply with the IMO/SOLAS Convention as well as the latest IEC standards and have obtained the relevant certification certificates from CCS.

Application areas and main functions:

1. When navigating along the coast and entering or leaving ports, clearly display land features and other fixed hazards;

2. Provide clearer navigation images and enhance awareness of the on-site situation;

3. In a ship-to-ship mode, provide collision avoidance assistance for detected and reported targets.

4. Detect small floating and fixed hazards and provide collision avoidance assistance to ensure the safety of your own vessel.

5. Identify floating and fixed navigational aids.

Product features:

Complies with the latest IEC standards and is CCS-certified.

Excellent small target detection capability

ARPA automatic capture function with up to 200 units

The main and auxiliary PPI displays offer a wider field of view for detection.

Chart overlay, supporting common S63/S57 charts.

Multi-radar networking enables more flexible user operation.

2. System Composition

The CMC-ARPA marine radar system mainly consists of several key components: the antenna, transceiver, radar processing unit, computer processing unit, display unit, and radar control unit. The software for the CMC-ARPA marine radar is named CMC-ARPA, and its current version number is V1.0.10.

This series of radars includes X-band and S-band models, offering optional transceiver antennas with power ratings of 10 kW, 25 kW, and 30 kW. The radar display units are available in 19-inch, 20-inch, and 26-inch models.

The radar interface diagram is as follows:

Table 1: Equipment Details List

Serial number	Name	Model/Specification	Description
1	Antenna	CMC-AX-01	X-band, 6 ft
1	Antenna	CMC-AS-01	S-band, 12 ft
2	Transceiver	CMC-TX-01	X-band, power 10 kW
		CMC-TX-02	X-band, power 25 kW
		CMC-TS-01	S-band, power 30 kW
3	Radar processing unit	CMC-RPU-01.
4	Computer processing unit	CMC-CPU-01	Reinforce the computer
5	Display unit	CMC-DU-01	19”, with a resolution of 1280 x 1024
		CMC-DU-02	20.1”, resolution 1600x1200
		CMC-DU-03	25.54”, resolution 1920 x 1200
6	Radar control unit	CMC-RCU-01	Radar-specific keyboard
6	Radar control unit	CMC-RCU-02	Integrated keyboard

The radar interface diagram is as follows:

① Antenna switching. ② ARPA function. ③ Clutter suppression and gain adjustment. ④ Chart overlay. ⑤ Navigation information. ⑥ Alarm message list. ⑦ Dual PPI display. ⑧ Target and alarm details. ⑨ Menu and target list.

3. Main Technical Specifications

Main technical specifications of ship navigation radar:

Positioning accuracy: ≤1°

Azimuth resolution: ≤2.5°

Minimum detection distance: ≤40m

Range resolution: ≤35 m

Image Display and Operation

● Fixed distance marker accuracy: 1% of the measurement range or 25 m, whichever is greater.

●Accuracy of the activity distance marker ring: 1% of the measurement range or 25 m, whichever is greater.

● Image-oriented modes: North-up, Bow-up, Heading-up

● Motion display modes: Absolute motion, relative motion

●Wave suppression: Manual/Automatic;

●Rain and snow suppression: Manual/Automatic;

● Gain adjustment: Manual/Auto;

ARPA function

● Automatically or manually track targets;

● Maximum number of tracked targets: 200;

AIS target display

●100 active targets and 200 dormant AIS targets;

● AIS target filtering

Electronic chart overlay display

● Overlay display of S57 and S63 format charts;

●Chart management.

Antenna Transceiver Technical Specifications:

1.1 Environmental Parameters

Ship navigation radar should be able to operate normally under the following environmental conditions:

Ambient temperature:

●The instruments installed in the cabin operate within a temperature range of -15°C to +55°C.

● Instruments installed outside the cabin operate within a temperature range of -25°C to +55°C;

Storage temperature: Store at temperatures between -25°C and +70°C.

Relative humidity: 93% ± 20% at a temperature of 40°C ± 30°C.

Tilting and swaying:

● The roll amplitude is ±22.5°, and the period is 10 s;

● The roll amplitude is ±22.5°, with a period of 10 s;

● Continuous longitudinal inclination: 22.5° of soil ● Continuous lateral inclination: 22.5° of soil

Vibration:

●2(+3/0) ~ 13.2 Hz, amplitude up to 1.0 mm;

●13.2–100 Hz, acceleration (m/s²) ±6.9 (0.7g).

Environmental medium:

● The air surrounding the ship’s navigation radar system contains salt spray and mold.

●Waterproof and dustproof rating: