试用视觉搜索
使用图片进行搜索,而不限于文本
你提供的照片可能用于改善必应图片处理服务。
隐私策略
|
使用条款
在此处拖动一张或多张图像或
浏览
在此处放置图像
或
粘贴图像或 URL
拍照
单击示例图片试一试
了解更多
要使用可视化搜索,请在浏览器中启用相机
搜索优化
English
全部
Copilot
图片
灵感
创建
集合
视频
地图
资讯
购物
更多
航班
旅游
酒店
搜索
笔记本
自动播放所有 GIF
在这里更改自动播放及其他图像设置
自动播放所有 GIF
拨动开关以打开
自动播放 GIF
图片尺寸
全部
小
中
大
特大
至少... *
自定义宽度
x
自定义高度
像素
请为宽度和高度输入一个数字
颜色
全部
彩色
黑白
类型
全部
照片
插图
素描
动画 GIF
透明
版式
全部
方形
横版
竖版
人物
全部
脸部特写
半身像
日期
全部
过去 24 小时
过去一周
过去一个月
去年
授权
全部
所有创作共用
公共领域
免费分享和使用
在商业上免费分享和使用
免费修改、分享和使用
在商业上免费修改、分享和使用
详细了解
重置
安全搜索:
中等
严格
中等(默认)
关闭
筛选器
购买 fresnel antenna
赞助
$72.00
Windsock Mounting - Ball Bearing Frame - Hardware - Steel (18")
Safety Flag Co
$72.00
Windsock Mounting - Ball Bearing Frame - Hardware - Steel (18")
Safety Flag Co
$99.99
Weboost 75 Ohm Home Inside Panel Antenna Fabric - 314440
Wilson Amplifiers
$99.99
Weboost 75 Ohm Home Inside Panel Antenna Fabric - 314440
Wilson Amplifiers
$57.96
$64.40
Dw Fresnel - Fan 60416020047
DJ Lighting Discount
折扣 10%
$57.96
$64.40
Dw Fresnel - Fan 60416020047
DJ Lighting Discount
$2.99
Dtw Blinder 350 Ip - Fresnel Lens 5070100061
DJ Lighting Discount
14-day returns (most items)
$2.99
Dtw Blinder 350 Ip - Fresnel Lens 5070100061
DJ Lighting Discount
$16.56
$18.40
Eled Fresnel 150 - Fan D18-100075-01
DJ Lighting Discount
14-day returns (most items)
折扣 10%
$16.56
$18.40
Eled Fresnel 150 - Fan D18-100075-01
DJ Lighting Discount
$12.42
$13.80
Eled Fresnel 150 - Main IC Z-ELEDF150-IC
DJ Lighting Discount
14-day returns (most items)
折扣 10%
$12.42
$13.80
Eled Fresnel 150 - Main IC Z-ELEDF150-IC
DJ Lighting Discount
$9.50
Intimidator Wave Irc - Fresnel Lens PTH04XY12080
DJ Lighting Discount
14-day returns (most items)
$9.50
Intimidator Wave Irc - Fresnel Lens PTH04XY12080
DJ Lighting Discount
$10.76
$11.96
Fuze Wash Z120 - Fresnel Lens 5070100049
DJ Lighting Discount
14-day returns (most items)
折扣 10%
$10.76
$11.96
Fuze Wash Z120 - Fresnel Lens 5070100049
DJ Lighting Discount
$60.03
$68.22
VHF UHF Omni Fiberglass Base Antenna, UV 144/435Mhz, Outdoor Walkie Talkie Antena S239 Sl16-K
AliExpress
Free shipping
折扣 12%
$60.03
$68.22
VHF UHF Omni Fiberglass Base Antenna, UV 144/435Mhz, Outdoor Walkie Talkie Antena S239 Sl16-K
AliExpress
$2,605.00
Bhp-31
Driveswarehouse
$2,605.00
Bhp-31
Driveswarehouse
$10.35
$11.50
Eled Fresnel II - Soi Slider W24-100296-01
DJ Lighting Discount
14-day returns (most items)
$10.35
$11.50
Eled Fresnel II - Soi Slider W24-100296-01
DJ Lighting Discount
$61.34
NMO150/450/758 - Pulse Electronics
TTI
$61.34
NMO150/450/758 - Pulse Electronics
TTI
$10.80
Intimidator Wave 360 Irc - Fresnel Lens F120F80 PTH2040800204601
DJ Lighting Discount
14-day returns (most items)
$10.80
Intimidator Wave 360 Irc - Fresnel Lens F120F80 PTH2040800204601
DJ Lighting Discount
$899.99
120 500 Watt T3fd Terminated Folded Dipole Amateur Radio Antenna Kit-
eBay
Free shipping
$899.99
120 500 Watt T3fd Terminated Folded Dipole Amateur Radio Antenna Kit-
eBay
$20.70
$23.00
Eled Fresnel - Male XLR PCB DXLSSBA63003
DJ Lighting Discount
14-day returns (most items)
$20.70
$23.00
Eled Fresnel - Male XLR PCB DXLSSBA63003
DJ Lighting Discount
$4.00
Cuepix Par300 - Fresnel Lens LA2108D-01
DJ Lighting Discount
14-day returns (most items)
$4.00
Cuepix Par300 - Fresnel Lens LA2108D-01
DJ Lighting Discount
$14.90
$16.56
Fuze Wash Z350 - Fresnel Lens 5070100060
DJ Lighting Discount
14-day returns (most items)
折扣 10%
$14.90
$16.56
Fuze Wash Z350 - Fresnel Lens 5070100060
DJ Lighting Discount
$14.40
$16.00
Eled Fresnel - Ac Cord W/Lock 7656001-065
DJ Lighting Discount
14-day returns (most items)
折扣 10%
$14.40
$16.00
Eled Fresnel - Ac Cord W/Lock 7656001-065
DJ Lighting Discount
$4.99
$5.54
ABBREE AR-148 Gooseneck SMA-Female Dual Band 144/430Mhz Foldable CS Tactical Antenna For Baofeng
AliExpress
Free shipping
$4.99
$5.54
ABBREE AR-148 Gooseneck SMA-Female Dual Band 144/430Mhz Foldable CS Tactical Antenna For Baofeng
AliExpress
$101.65
$107.00
Ga505 Half-Wave Dipole Antenna Long Distance Frequency Modulation
eBay
$101.65
$107.00
Ga505 Half-Wave Dipole Antenna Long Distance Frequency Modulation
eBay
$470.67
Poynting HELI-18 RH Circular Polarised, Bi-Directional Mine/Tunnel Antenna
5Gstore.com
$470.67
Poynting HELI-18 RH Circular Polarised, Bi-Directional Mine/Tunnel Antenna
5Gstore.com
$470.92
Poynting HELI-8 Circular Polarised, Bi-Directional Mine/Tunnel Antenna
5Gstore.com
$470.92
Poynting HELI-8 Circular Polarised, Bi-Directional Mine/Tunnel Antenna
5Gstore.com
$123.61
Antennas Direct Db8-E Antenas Direct Ultra Long Range Dtv Outdoor Antenna [Db8-E]
Walmart
277
Free shipping
$123.61
Antennas Direct Db8-E Antenas Direct Ultra Long Range Dtv Outdoor Antenna [Db8-E]
Walmart
$79.50
EMX Extended Range Antenna | All Security Equipment
All Security Equipment
$79.50
EMX Extended Range Antenna | All Security Equipment
All Security Equipment
$106.03
450-470Mhz Glass Mount Antenna W. 14 ft Rg-58/U
Walmart
Free shipping
$106.03
450-470Mhz Glass Mount Antenna W. 14 ft Rg-58/U
Walmart
$80.33
FS3SMK-BL - Firestik Blue 3 Foot Single FS II CB Antenna Kit
eBay.com
Free shipping
$80.33
FS3SMK-BL - Firestik Blue 3 Foot Single FS II CB Antenna Kit
eBay.com
$62.95
Hustler LMC-270 144/440Mhz Dual Band Mobile Antenna - NMO
eBay.com
2
Free shipping
$62.95
Hustler LMC-270 144/440Mhz Dual Band Mobile Antenna - NMO
eBay.com
$521.40
PCTEL BOA5G2X2L125PTNM - 5G Fr1 Multiband Base Station Omnidirectional Antenna With G
TrustClarity Store
Free shipping
$521.40
PCTEL BOA5G2X2L125PTNM - 5G Fr1 Multiband Base Station Omnidirectional Antenna With G
TrustClarity Store
$229.99
400 To 470 Mhz| 3 Dbi Folded Diploe Antenna With N Female| Vertical Polarization| 1 Port| 1.5 VSWR
L-com Global Connectivity
30-day returns (most items)
$229.99
400 To 470 Mhz| 3 Dbi Folded Diploe Antenna With N Female| Vertical Polarization| 1 Port| 1.5 VSWR
L-com Global Connectivity
$62.99
Smoothtalker® SEM14X - MCT Glass-Mount Antenna
Priclist.com
Free shipping
$62.99
Smoothtalker® SEM14X - MCT Glass-Mount Antenna
Priclist.com
$179.99
Bolton Technical Long Ranger Antenna | Upgraded Parabolic - Up To 20 Miles Range | All Cell Bands: 5G, 4G, LTE | Wifi 2.4/5 Ghz Wifi 6 | High Gain Cel
Walmart
3
Free shipping
$179.99
Bolton Technical Long Ranger Antenna | Upgraded Parabolic - Up To 20 Miles Range | All Cell Bands: 5G, 4G, LTE | Wifi 2.4/5 Ghz Wifi 6 | High Gain Cel
Walmart
$63.41
UWB Ultra Wide Band Antenna 400-3000Mhz 50W 47Dbm Sun Flower Antenna
US eBay
Free shipping
$63.41
UWB Ultra Wide Band Antenna 400-3000Mhz 50W 47Dbm Sun Flower Antenna
US eBay
$45.00
Antenna UHF 450-470Mhz 5Dbd Motorola Mobile Radio Hole Trunk Magnet Miniuhf 1173
eBay.com
$45.00
Antenna UHF 450-470Mhz 5Dbd Motorola Mobile Radio Hole Trunk Magnet Miniuhf 1173
eBay.com
$838.35
$931.50
742264V02 Kathrein Panel Antenna Xxpol 790-960Mhz / 1710-2180Mhz
eBay.com
折扣 10%
$838.35
$931.50
742264V02 Kathrein Panel Antenna Xxpol 790-960Mhz / 1710-2180Mhz
eBay.com
$2,285.00
Emco, ETS-Lindgren 3109 Biconical Antenna 20Mhz To 300Mhz, 2000Watts
US eBay
Free shipping
$2,285.00
Emco, ETS-Lindgren 3109 Biconical Antenna 20Mhz To 300Mhz, 2000Watts
US eBay
$25.55
$39.99
300 Miles Indoor Digital Amplified HDTV Antenna W/ Signal Booster
rrsstore
折扣 36%
$25.55
$39.99
300 Miles Indoor Digital Amplified HDTV Antenna W/ Signal Booster
rrsstore
展开
隐藏
581×206
blog.analynk.com
Understand Fresnel Zones and Their Potential Impact On Your Process ...
1366×994
hackaday.io
Fresnel zone antenna (PCB) | Details | Hackaday.io
1110×462
semanticscholar.org
Figure 1 from Fresnel zone plate and ordinary lens antennas ...
576×432
setileague.org
Zone Plate (reflecting) Fresnel Antennas for Amateur SETI -- Par…
450×232
Cisco Meraki
The Fresnel Zone | Cisco Meraki Blog
850×728
researchgate.net
Operating principle of the one‐dimensional Fresnel zon…
320×320
ResearchGate
Fresnel zone plate antenna: (a) front view a…
621×388
tools.radwin.com
GL_Ap_Theory
830×470
pnghut.com
Fresnel Zone Antenna Radio Wave - Multiplex Transparent PNG
320×320
ResearchGate
Fresnel zone plate antenna: (a) front view and (b) isom…
320×320
ResearchGate
First Fresnel zone of 400MHz and 900MHz GP…
购买 fresnel antenna
赞助
$61.34
NMO150/450/758 - Pulse Electronics
TTI
$61.34
NMO150/450/758 - Pulse Electronics
TTI
$10.80
Intimidator Wave 360 Irc - Fresnel Lens F120F80 PTH2040800204601
DJ Lighting Discount
14-day returns (most items)
$10.80
Intimidator Wave 360 Irc - Fresnel Lens F120F80 PTH2040800204601
DJ Lighting Discount
14-day returns
$899.99
120 500 Watt T3fd Terminated Folded Dipole Amateur Radio Antenna Kit-
eBay
Free shipping
$899.99
120 500 Watt T3fd Terminated Folded Dipole Amateur Radio Antenna Kit-
eBay
Free shipping
$20.70
$23.00
Eled Fresnel - Male XLR PCB DXLSSBA63003
DJ Lighting Discount
14-day returns (most items)
$20.70
$23.00
Eled Fresnel - Male XLR PCB DXLSSBA63003
DJ Lighting Discount
14-day returns
$4.00
Cuepix Par300 - Fresnel Lens LA2108D-01
DJ Lighting Discount
14-day returns (most items)
$4.00
Cuepix Par300 - Fresnel Lens LA2108D-01
DJ Lighting Discount
14-day returns
$14.90
$16.56
Fuze Wash Z350 - Fresnel Lens 5070100060
DJ Lighting Discount
14-day returns (most items)
折扣 10%
$14.90
$16.56
Fuze Wash Z350 - Fresnel Lens 5070100060
DJ Lighting Discount
14-day returns
$14.40
$16.00
Eled Fresnel - Ac Cord W/Lock 7656001-065
DJ Lighting Discount
14-day returns (most items)
折扣 10%
$14.40
$16.00
Eled Fresnel - Ac Cord W/Lock 7656001-065
DJ Lighting Discount
14-day returns
$4.99
$5.54
ABBREE AR-148 Gooseneck SMA-Female Dual Band 144/430Mhz Foldable CS Tactical Antenna For Baofeng
AliExpress
Free shipping
$4.99
$5.54
ABBREE AR-148 Gooseneck SMA-Female Dual Band 144/430Mhz Foldable CS Tactical Antenna For Baofeng
AliExpress
Free shipping
$101.65
$107.00
Ga505 Half-Wave Dipole Antenna Long Distance Frequency Modulation
eBay
$101.65
$107.00
Ga505 Half-Wave Dipole Antenna Long Distance Frequency Modulation
eBay
$470.67
Poynting HELI-18 RH Circular Polarised, Bi-Directional Mine/Tunnel Antenna
5Gstore.com
$470.67
Poynting HELI-18 RH Circular Polarised, Bi-Directional Mine/Tunnel Antenna
5Gstore.com
$470.92
Poynting HELI-8 Circular Polarised, Bi-Directional Mine/Tunnel Antenna
5Gstore.com
$470.92
Poynting HELI-8 Circular Polarised, Bi-Directional Mine/Tunnel Antenna
5Gstore.com
$123.61
Antennas Direct Db8-E Antenas Direct Ultra Long Range Dtv Outdoor Antenna [Db8-E]
Walmart
277
Free shipping
$123.61
Antennas Direct Db8-E Antenas Direct Ultra Long Range Dtv Outdoor Antenna [Db8-E]
Walmart
277
$79.50
EMX Extended Range Antenna | All Security Equipment
All Security Equipment
$79.50
EMX Extended Range Antenna | All Security Equipment
All Security Equipment
$106.03
450-470Mhz Glass Mount Antenna W. 14 ft Rg-58/U
Walmart
Free shipping
$106.03
450-470Mhz Glass Mount Antenna W. 14 ft Rg-58/U
Walmart
Free shipping
$80.33
FS3SMK-BL - Firestik Blue 3 Foot Single FS II CB Antenna Kit
eBay.com
Free shipping
$80.33
FS3SMK-BL - Firestik Blue 3 Foot Single FS II CB Antenna Kit
eBay.com
Free shipping
$62.95
Hustler LMC-270 144/440Mhz Dual Band Mobile Antenna - NMO
eBay.com
2
Free shipping
$62.95
Hustler LMC-270 144/440Mhz Dual Band Mobile Antenna - NMO
eBay.com
2
$521.40
PCTEL BOA5G2X2L125PTNM - 5G Fr1 Multiband Base Station Omnidirectional Antenna With G
TrustClarity Store
Free shipping
$521.40
PCTEL BOA5G2X2L125PTNM - 5G Fr1 Multiband Base Station Omnidirectional Antenna With G
TrustClarity Store
Free shipping
$229.99
400 To 470 Mhz| 3 Dbi Folded Diploe Antenna With N Female| Vertical Polarization| 1 Port| 1.5 VSWR
L-com Global Connectivity
30-day returns (most items)
$229.99
400 To 470 Mhz| 3 Dbi Folded Diploe Antenna With N Female| Vertical Polarization| 1 Port| 1.5 VSWR
L-com Global Connectivity
30-day returns
1200×630
vdocuments.mx
Fresnel zone plate antenna with hexagonal-cut zones - [PDF Document]
700×469
businesstechplanet.com
Does Fixed Wireless Require Line of Sight? – Business Tech Planet
1800×2315
ietresearch.onlinelibrary.wiley.com
Metal‐only Fresnel zone plate antenna for millimetre‐wave fr…
440×498
semanticscholar.org
Figure 4 from Deployable Fresnel Zo…
3075×1261
mdpi.com
Polarization-Insensitive Unit Cells for a Cost-Effective Design of a 3 ...
686×648
semanticscholar.org
Figure 14 from Cascaded Fresnel Lens Antenna for …
372×312
semanticscholar.org
Figure 3 from Lens antenna based on fresnel zone lens o…
604×496
semanticscholar.org
Figure 3 from Fresnel zones for ground-based antennas | Sem…
580×388
4gon.co.uk
Fresnel Zones - 4Gon
705×212
air-stream.org
Air-Stream Wireless Inc
700×446
semanticscholar.org
Figure 2 from The Photo-Injected Fresnel Zone Plate Antenna ...
580×380
4gon.co.uk
Fresnel Zones - 4Gon
711×367
physics.stackexchange.com
waves - Fresnel zone with different antenna heights - Physics Stack ...
1800×1428
ietresearch.onlinelibrary.wiley.com
Generalised correction to the Friis formula: quick determina…
320×320
ResearchGate
Fresnel zone plate antenna: (a) front vie…
758×200
researchgate.net
The single obstruction method and the Fresnel zone Before proceeding to ...
1200×777
Pinterest
Light collimation with Fresnel Lens and Parabolic Reflector. | Lighting ...
456×470
semanticscholar.org
Figure 3 from Antenna synthesis with limitation…
612×612
walmart.com
Fresnel Zone Antennas (Paperback) - Walmart.com
800×400
microwave-link.com
Fresnel Zone - Microwave Planning - Microwave Link
850×755
researchgate.net
Experimental Fresnel images at 7 30 1 tilted (a,b) and difference i…
470×369
rfwireless-world.com
Fresnel Zone Radius Calculator | Fresnel Zone calculator
850×1134
researchgate.net
(PDF) A Systematic Study of Varying Reference Ph…
425×190
omnicalculator.com
Fresnel Zone Calculator
某些结果已被隐藏,因为你可能无法访问这些结果。
显示无法访问的结果
查看更多图片
购买 fresnel antenna
赞助
$72.00
Windsock Mounting - Ball Bearing Frame - Hardware - Steel (18")
Safety Flag Co
$72.00
Windsock Mounting - Ball Bearing Frame - Hardware - Steel (18")
Safety Flag Co
$99.99
Weboost 75 Ohm Home Inside Panel Antenna Fabric - 314440
Wilson Amplifiers
$99.99
Weboost 75 Ohm Home Inside Panel Antenna Fabric - 314440
Wilson Amplifiers
$57.96
$64.40
Dw Fresnel - Fan 60416020047
DJ Lighting Discount
折扣 10%
$57.96
$64.40
Dw Fresnel - Fan 60416020047
DJ Lighting Discount
$2.99
Dtw Blinder 350 Ip - Fresnel Lens 5070100061
DJ Lighting Discount
14-day returns (most items)
$2.99
Dtw Blinder 350 Ip - Fresnel Lens 5070100061
DJ Lighting Discount
$16.56
$18.40
Eled Fresnel 150 - Fan D18-100075-01
DJ Lighting Discount
14-day returns (most items)
折扣 10%
$16.56
$18.40
Eled Fresnel 150 - Fan D18-100075-01
DJ Lighting Discount
$12.42
$13.80
Eled Fresnel 150 - Main IC Z-ELEDF150-IC
DJ Lighting Discount
14-day returns (most items)
折扣 10%
$12.42
$13.80
Eled Fresnel 150 - Main IC Z-ELEDF150-IC
DJ Lighting Discount
$9.50
Intimidator Wave Irc - Fresnel Lens PTH04XY12080
DJ Lighting Discount
14-day returns (most items)
$9.50
Intimidator Wave Irc - Fresnel Lens PTH04XY12080
DJ Lighting Discount
$10.76
$11.96
Fuze Wash Z120 - Fresnel Lens 5070100049
DJ Lighting Discount
14-day returns (most items)
折扣 10%
$10.76
$11.96
Fuze Wash Z120 - Fresnel Lens 5070100049
DJ Lighting Discount
$60.03
$68.22
VHF UHF Omni Fiberglass Base Antenna, UV 144/435Mhz, Outdoor Walkie Talkie Antena S239 Sl16-K
AliExpress
Free shipping
折扣 12%
$60.03
$68.22
VHF UHF Omni Fiberglass Base Antenna, UV 144/435Mhz, Outdoor Walkie Talkie Antena S239 Sl16-K
AliExpress
$2,605.00
Bhp-31
Driveswarehouse
$2,605.00
Bhp-31
Driveswarehouse
$10.35
$11.50
Eled Fresnel II - Soi Slider W24-100296-01
DJ Lighting Discount
14-day returns (most items)
$10.35
$11.50
Eled Fresnel II - Soi Slider W24-100296-01
DJ Lighting Discount
$61.34
NMO150/450/758 - Pulse Electronics
TTI
$61.34
NMO150/450/758 - Pulse Electronics
TTI
$10.80
Intimidator Wave 360 Irc - Fresnel Lens F120F80 PTH2040800204601
DJ Lighting Discount
14-day returns (most items)
$10.80
Intimidator Wave 360 Irc - Fresnel Lens F120F80 PTH2040800204601
DJ Lighting Discount
$899.99
120 500 Watt T3fd Terminated Folded Dipole Amateur Radio Antenna Kit-
eBay
Free shipping
$899.99
120 500 Watt T3fd Terminated Folded Dipole Amateur Radio Antenna Kit-
eBay
$20.70
$23.00
Eled Fresnel - Male XLR PCB DXLSSBA63003
DJ Lighting Discount
14-day returns (most items)
$20.70
$23.00
Eled Fresnel - Male XLR PCB DXLSSBA63003
DJ Lighting Discount
$4.00
Cuepix Par300 - Fresnel Lens LA2108D-01
DJ Lighting Discount
14-day returns (most items)
$4.00
Cuepix Par300 - Fresnel Lens LA2108D-01
DJ Lighting Discount
$14.90
$16.56
Fuze Wash Z350 - Fresnel Lens 5070100060
DJ Lighting Discount
14-day returns (most items)
折扣 10%
$14.90
$16.56
Fuze Wash Z350 - Fresnel Lens 5070100060
DJ Lighting Discount
$14.40
$16.00
Eled Fresnel - Ac Cord W/Lock 7656001-065
DJ Lighting Discount
14-day returns (most items)
折扣 10%
$14.40
$16.00
Eled Fresnel - Ac Cord W/Lock 7656001-065
DJ Lighting Discount
报告不当内容
请选择下列任一选项。
无关
低俗内容
成人
儿童性侵犯
反馈