Conversion of standing wave ratio-reflection loss, etc.

Standing wave ratio Return Loss Transmission loss Voltage reflection coefficient Transmission power Power reflection
(dB) (dB) (COEFF) (â„…) (â„…)
1.00 .00 .000 .00 100.0 .0
1.01 46.1 .000 .00 100.0 .0
1.02 40.1 .000 .01 100.0 .0
1.03 36.6 .001 .01 100.0 .0
1.04 34.2 .002 .02 100.0 .0
1.05 32.3 .003 .02 99.9 .1
1.06 30.7 .004 .03 99.9 .1
1.07 29.4 .005 .03 99.9 .1
1.08 28.3 .006 .04 99.9 .1
1.09 27.3 .008 .04 99.8 .2
1.10 26.4 .010 .05 99.8 .2
1.11 25.7 .012. .05 99.7 .3
1.12 24.9 .014 .06 99.7 .3
1.13 24.3 .016 .06 99.6 .4
1.14 23.7 .019 .07 99.6 .4
1.15 23.1 .021 .07 99.5 .5
1.16 22.6 .024 .07 99.4 .6
1.17 22.1 .027 .08 99.4 .6
1.18 21.7 .030 .08 99.3 .7
1.19 21.2 .033 .09 99.2 .8
1.20 20.8 ..036 .09 99.2 .8
1.25 19.1 .054 .11 98.8 1.2
1.3 17.7 .075 .13 98.3 1.7
1.4 15.6 .12 .17 97.2 2.8
1.50 14.0 .177 .20 96.0 4.0
1.60 12.7 .238 .twenty three 94.7 5.3
1.70 11.7 .302 .26 93.7 6.7
1.80 10.9 .370 .29 91.8 8.2
1.90 10.2 .440 .31 90.4 9.6
2.00 9.5 .512 .33 88.9 11.1
3.00 6.0 1.294 .50 76.0 25.0
4.00 4.4 1.930 .60 64.0 36.0
5.00 3.5 2.553 .67 55.6 44.4
6.00 2.9 3.100 .71 49.0 51.0
7.00 2.5 3.590 .75 43.7 56.2
8.00 2.2 4.033 .78 39.5 60.5
9.00 1.9 4.437 .80 36.0 64.0
10.00 1.7 4.807 .82 33.1 66.9
15.00 1.2 6.301 .88 23.4 76.6
20.00 .9 7.413 .90 18.1 81.9
25.00 .7 8.299 .92 14.8 85.2
30.00 .6 9.035 .94 12.5 87.5
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The new product line is the characteristic product of our company's production and development, mainly including the Anti-corrosive Aluminum alloy spinning lamp pole,Solar Camera light,Cylindrical Intelligent Street Lamp,No power LED Module .

Anti-corrosive Aluminum alloy spinning lamp pole Solar camera light

Cylindrical Intelligent street lampNo power LED module

1.Aluminum alloy spinning lamp pole

The spinning pole is the use of foreign advanced spinning equipment,forming a whole without welding,forming a conical or profiled bar.And then polishing,remove surface oil,burr and indentation.Then after the quenching intensity,to T6 state,in line with international standards.The product never rust ,strong corrosion resistance,diversified surface treatment process,the appearance of simple fluid lines.Light weight and convenient installation and transportation,the rod body can be 100%recycling,low melting temperature.

Product features

â‘ Using spinning equipment advanced,the whole forming a non welding

â‘¡Product permanent does not rust,corrosion resistance

â‘¢Diversified surface treatment technology,make the appearance line succinct smooth

â‘£The light weight,convenient installation and transportation

⑤The rod body can be 100% recycling,melting temperature is low.

Aluminum alloy spinning lamp pole

2.Camera street light






The camera street light is used to use the infrared network high definition intelligent ball's various features so that it can be widely used in the need of large-scale hd quality control of the site.

Functional properties

â‘ Smart Function:Smart Tracing,Smart Inspecting,Smart Road Monitor

â‘¡System Function:Smart Video,Smart Photo Enhancement

â‘¢Movement Function

â‘£Network Function

Camera street light

3.Intelligent Street Lamp 


Intelligent Street Lamps are also called intelligent lighting or smart street lights.It adopts the Internet of things and cloud computing technology to comprehensively upgrade the urban public lighting management system, so as to realize centralized control, operation and maintenance information and intelligent lighting of street lamps.The most advanced versions of Intelligent Street Lamps have been designed to create a happy atmosphere in roads, streets, squares and other places.The design of intelligent street lamps can only be designed by a wide range of discussions and environments that provide an aesthetic consistency.

Product feature

1.Sensor

Monitoring urban environment conditions

Sensor norise

Air pollution sensor

Temperature/humidity sensor

Brightness sensor

Municipal construction monitor

2.RFID

Special crowed monitor

CMC monitor

Community security monitor

Municipal facilities monitor

3.Communication Services

Micro base station

Street lights embedded WIFI hot spot

4.Video Monitor

Security monitor

Vehicle monitor

5.Emergency Broadcast

Active of the external field radio monitoring center

6.Intelligent Lighting

Cellular cooling technology

Based on the luminance uniformity of light distribution

Intelligent single lamp/center controller

Variety of modular design lamp,holder is optional.

7.Information Release

Advertising exposure

Current politics news

Information release

8.Charging Column

Electric car

Electric bicycle

Intelligent street lamp


4. Led Module

● The unique acicular radiator,360 degree dissipation small wind resistance. High heat dissipation efficiency ensuring that the LED chip can work for 50000 hours.

● Color temperature 3000-6000K

● Light≥90LM/W

● Matching the 2.3.4 lane,tunnel and Landscape Lamp,floodlight dedicated lens.Ensure that intensity and uniformity.

● Glare index Signification reduce the original LED module size,removal of power supply problems.Low demands for application situation and installation personnel .More suitable for the transformation of traditional lamps.


Product features

â‘ The solid heat conduction,Plug-in package technology

â‘¡Alternating current method,Alternating current direct drive to overturn the traditional application.

â‘¢Avoid long-distance power.Transfer will have excess loss.

â‘£No power supply ACLED

⑤Customized LED lens

â‘¥Automatic dimming system intelligent.

⑦Wide application,flexible combination.









New Products Lighting Series

Aluminum Alloy Spinning Lighting Pole,Lightest Aluminum Alloy,Aluminum Alloy Torchlight,Lightweight Aluminum Alloy

Jiangsu chengxu Electric Group Co., Ltd , http://www.chengxulighting.com