一文解析毫米波以及其应用

时间： 2022-03-03 来源：优译

技术问答

毫米波（millimeter wave ）波长为1～10毫米的电磁波称毫米波，它位于微波与远红外波相交叠的波长范围，因而兼有两种波谱的特点。毫米波频段没有太过精确的定义，通常将26.5 ~300GHz的频域的电磁波称毫米波。毫米波的理论和技术分别是微波向高频的延伸和光波向低频的发展。

优点：

●极宽的带宽。通常认为毫米波频率范围为26.5～300GHz，带宽高达273.5GHz。超过从直流到微波全部带宽的10倍。即使考虑大气吸收，在频率资源紧张的今天仍然极具吸引力。

●波束窄。在相同天线尺寸下毫米波的波束要比微波的波束窄得多。因此可以分辨相距更近的小目标或者更为清晰地观察目标的细节。

●与激光相比，毫米波的传播受气候的影响要小得多，可以认为具有全天候特性。

●和微波相比，毫米波元器件的尺寸要小得多。因此毫米波系统更容易小型化。

缺点：

●大气中传播衰减严重。

●器件加工精度要求高。

（毫米波雷达的缺点主要是受大气衰减和吸收的影响，目前作用距离大多限于10公里之内。另外，与微波雷达相比，毫米波雷达的元器件目前批量生产成品率低。再加上许多器件在毫米波频段均需涂金或者涂银，因此器件成本较高。）

应用：

5G领域：

美国采用毫米波频段；日韩及欧洲等国家则是Sub-6 GHz(6 GHz以下频段)和毫米波两种频段一起部署。

目前国内5G通信领域，主要采用Sub-6 GHz频段。à2.6Ghz、3.5Ghz、4.9Ghz等。因为上毫米波难度太大，很多关键器件解决不了，中国才不得已选择上中频。鉴于Sub-6 GHz频谱资源在大部分国家都非常紧缺(包括我国)，所以我国将来引入毫米波也是一种趋势。

其它应用：

毫米波成像（mm-wave imaging）、亚太赫兹（sub-THz）化学探测器，以及在天文学、化学、物理、医学和安全方面的应用等。举例：

●汽车雷达

成像领域的一个很重要的应用是工作于24GHz和77GHz的汽车雷达。该技术可以在低能见度情况下帮助汽车驾驶，以及自动巡航控制和甚至未来高速公路的自动驾驶。

●用于医学应用的毫米波成像

毫米波技术的另一个潜在应用是无源毫米波成像（passive mm-wave imaging）。仅通过检测物体在毫米波频带的热量辐射，物体的图像就可以像光学系统一样呈现出来。需要或者是一组接收机或者是移动的终端天线来不停地扫描感兴趣的区域。（在内分泌科、骨科、疼痛科都有应用）

●高清视频的无线传输

●在电子对抗中的应用

军事上的需要是推动毫米波系统发展的重要因素（具有波束窄、数据率高、电波隐蔽、保密和抗干扰性能好、开设迅速、使用方便灵活以及全天候工作的特点。）目前, 毫米波在雷达、制导、战术和战略通信、电子对抗、遥感、辐射测量等方面得到了广泛应用。其中战略通信与电子对抗是非常重要的应用方向。电子对抗中要求通信设备必须具有很强的抗干扰能力, 而毫米波在这方面表现出明显的优势。例如, 选择 60GHz、 120GHz、 200GHz 三个“衰减峰”频段上的舰对舰的毫米波通信, 利用这些频段上信号严重衰减的特点, 可极大提高舰对舰之间通信的抗干扰和抗截获能力等。

优译有关产品介绍:

●同轴&带线隔离器/环行器

表 1

●微带隔离器/环行器

表 2

●波导同轴转换

表 3

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本文由三年不鸣转载自优译，原文标题为:毫米波以及应用，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。

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型号- UIYBPF8844A,UIYBCC6466A,UIY4PD12071A,UIYDI4249A,UIYDX9580B,UIYDX9580A,UIYHPF3426A,UIYCDI9678A,UIYBCC5049A,UIYDX6733A,UIYBCC5049B,UIYWI2836A,UIYCC4550A,UIYCI1522A,UIYBSF29567A,UIYDDI12075A,UIYCDI7038A,UIYBDI5049B,UIYCA500A,UIYWI4242A,UIYBPF12021A,UIYBPF8648A,UIYBPF10060A,UIYDC3538A,UIYWI1636A,UIYBDI5049A,UIYTX120120A,UIYCA100AN18,UIYWTCWR90A,UIYBCI3434G,UIYBCI3434F,UIYWTCWR90E,UIYCT150AN3,UIYCA50AS18,UIYCT150AN6,UIYDI1925A,UIYCA300AN124,UIYDX12276A,UIYBSF202152A,UIY6RS1UB,UIYWC1027A,UIYLPF19048A,UIYDX170125A,UIY8PD199106A,UIYBCI3434D,UIYBCI3434C,UIYWI1940A,UIYBCI3434B,UIYBCI3434A,UIYMI1416A,UIYWC2225A,UIYDI5663A,UIYWC2225B,UIYBPF250166A,UIYBDC5972A,UIYMC55B,UIY8PD10875A,UIYCT5AN124,UIYHPF3733A,UIY4PD5650A,UIY4PD5650B,UIYLPF15830A,UIYLPF3325A,UIYDDC16080A4P,UIYDX62112A,UIYWTCWR112A,UIY8PD245174A,UIYBPF205205A,UIYWTCWR112E,UIYSI15A,UIYBPF7070A,UIYWC4444A,UIYCA300AN3,UIYBDC6434A4P,UIYCA300AN6,UIYCA300AN8,UIYHPF3734A,UIYBPF5313A,UIYBPF9033A,UIYBCC2618A,UIYCT50AN6,UIYBCC2618B,UIYCA2AS18,UIYCT50AS18,UIY8PD144103B,UIY8PD144103A,UIYWTCWR159A,UIYCT50AN3,UIYBPF6535A,UIYWTCWR159E,UIYDX121159A,UIYCA200AN8,UIYCT5AN3,UIYCT5AN18,UIYDI2020A,UIYDX260190A,UIYDDC12060A4P,UIYCA200AN6,UIYCA200AN3,UIYBDC10149A,UIYCT5AN6,UIYCT25AS8,UIYBDC10149B,UIY2T1HC422165A,UIYCI5356A,UIYCA25AS18,UIYMC33Y,UIYBPF338151A,UIYCC5356A,UIYDMC108B,UIYDMC108A,UIYBCI10149B,UIYLPF9426A,UIYBDI6466A,UIYBCC1920A,UIYBCI10149A,UIYBCC1920B,UIYDX340210A,UIYLPF4630A,UIYCA2AS124,UIYCDC7038A4P,UIY4T8RTR3UB2C,UIYBDI5028A,UIYBPF100104A,UIYSC7A,UIYDDI7046A,UIYDI5356A,UIYBCC5028A,UIYDX185155A,UIYSI12A,UIYCDC16080A,UIYWTCWR137A,UIYBDC7272A,UIYWTCWR137E,UIYSI36A,UIYDMC109A,UIYDMC109B,UIYWTCWR28E,UIYCT100AN18,UIYBCC4550A,UIYBPF4814A,UIYCT25AS18,UIYCA150AN3,UIYCDI12060A,UIYDDC3819A,UIYBCI4040B,UIYBCI4040A,UIYBPF12028A,UIYCA10AS3,UIYBPF11022A,UIYBPF4814B,UIYDC815A,UIYDDCP21424A,UIYDI4242A,UIYBPF12026A,UIYSC9B,UIYBPF4815B,UIYLPF3322A,UIYBSF12069A,UIYWI4444A,UIYSI10A,UIYLPF4520A,UIYWI2025A,UIYBDC1920A,UIYWI2025B,UIYMC77A,UIYBSF16168A,UIYBDC1920B,UIYBDI1326A,UIYBDI1326B,UIYHPF5033A,UIYBPF10068A,UIYCA2AS3,UIYCA2AS6,UIYBDC4222A,UIYCA2AS8,UIYBSF4012A,UIYCA10AS8,UIY6TC1UA,UIYCDC12060A4P,UIY6TC1UB,UIY2PD2828E,UIYBCC4222A,UIY2PD2828F,UIYCA10AS6,UIY2PD2828G,UIYWC3842A,UIY2PD2828A,UIY16PD22393A,UIY2PD2828B,UIYBPF10069A,UIY2PD2828C,UIY2PD2828D,UIYDDCP10025A,UIYCT25AN3,UIYBCI1326A,UIYCA150AN6,UIYBCI1326B,UIYCA5AS18,UIYCT25AN6,UIYBCI5049B,UIYBCI5049A,UIYCT25AN8,UIYWI1925A,UIYBSF11968A,UIYBPF9090A,UIYBPF6464A,UIYLPF8863A,UIYCC4337A,UIYHPF2822A,UIY4PD5230A,UIYBPF17384A,UIY2PD158122A,UIYBPF100145A,UIY4PD136119A,UIYDC1220A,UIYCT500AN18,UIYBPF5026A,UIYBSF17235A,UIYDDC3819A4P,UIY4PD8562A,UIYDX9976A,UIYWI2262A,UIYCT200AN3,UIYCT1000A,UIYCT200AN8,UIYCT200AN6,UIY2T1HC14244A,UIYWTCWR284E,UIYWTCWR284F,UIYCC120140A,UIYBPF5353A,UIYMI1212A,UIYDCP5525A,UIYBCC14272A4P,UIYCA10AS124,UIYDI1219A,UIYBDI2528B,UIYDX8862A,UIYBDI2528A,UIYDDC5025A,UIYDX140110A,UIYWTCWR284A,UIYBDI4040A,UIYWI2260A,UIYLPF16525A,UIYCT10AN124,UIYCA5AN124,UIYBDI4040B,UIYBCI2528A,UIYBDI2525C,UIYBDI2525B,UIYBDI2525A,UIYBCI2528B,UIY2T1HC16445A,UIYWTCWR1150A,UIYDDC1716A4P,UIYCI2528A,UIYBPF3020B,UIYCI100166A,UIYCDC6834A4P,UIYLPF4125A,UIYBSF11060A,UIYCDC6432A,UIYCA2AN6,UIYCA2AN8,UIYBCC2618B4P,UIYBPF12553A,UIYCA2AN3,UIYHPF3934A,UIYDX18484A,UIYBPF4025A,UIYCA30AS3,UIYDX14073A,UIYCA30AS5,UIYDX11880A,UIY2PD2835A,UIYCI4337A,UIYBDI1025A,UIYLPF3022A,UIYCT80AN6,UIYMI45B,UIYCT80AN3,UIY4PD5060A,UIYBDI6075F,UIYBPF3414B,UIYBPF3414A,UIYWI2238A,UIYCT2000A,UIYBPF11890A,UIYBPF4721A,UIY2T2RTR350158A,UIYDI80140B,UIY3PD122158A,UIYMI44B,UIYMI44A,UIYBPF7022A,UIYBPF7373B,UIYMI44C,UIYBPF7373A,UIYTX11676A,UIYBCI2618B,UIYWI4876A,UIYBDC2528A,UIYBDC2528B,UIYCT2AB3,UIYBPF10016A,UIYBCI2618A,UIYMI45A,UIYBPF15065A,UIYBDC1716B4P,UIYBPF8550A,UIYCT2AB6,UIYCDC9648A4P,UIYTX7164A,UIYDC2020A,UIYTX7164B,UIYCT500AN124,UIYWTCWR34A,UIY3T1HC30480B,UIY3T1HC30480A,UIYWTCWR10A,UIY4TC420420B,UIYWTCWR34E,UIYWTCWR10E,UIYMC1414A,UIY4TC420420A,UIYDC100100A,UIYBCC3434F,UIYBCC3434C,UIYBCC3434D,UIYBCC3434A,UIYBCC3434B,UIYBPF6817A,UIYCA100AN8,UIYCA100AN6,UIYBDC1325B,UIYBCC3434G,UIYCA50AS124,UIYDI3538A,UIYBDC1325A,UIYCA100AN3,UIYBCI4222A,UIYBSF12070A,UIYCC2525A,UIYBCC6060G,UIYCA25AS124,UIYBCC6060H,UIYBCC6060E,UIYBCC6060F,UIYLPF9923A,UIYBCC6060C,UIYBCC6060D,UIYBCC6060A,UIYBCC6060B,UIYWC3030A,UIYTX100140A,UIYWC3030B,UIYHPF3818A,UIYWI2128A,UIYLPF6420A,UIYLPF17227A,UIYBPF6020A,UIYCA10AN3,UIYCA10AN6,UIYBPF5815A,UIYWTCWR12A,UIYWTCWR12E,UIYCA10AN8,UIY2T2HC23040A,UIYCI6075A,UIYDX166125A,UIY2PD48157A,UIYDX482192A,UIYDDI4027A,UIYBPF6023A,UIYDX118118A,UIYBPF10673E,UIYBPF10673G,UIYBPF10673F,UIYDX102200A,UIYCI4550A,UIYDDI3819A,UIYBPF10673C,UIYBPF10673B,UIYWI2259A,UIYBDC5049B,UIYCDC7038A,UIYBDC5049A,UIYBSF3525A,UIYDX320420A,UIY8TC1UB,UIY2PD3728A,UIY8TC1UA,UIYBCI6466A,UIYBPF8663A,UIY2T2HC40030A,UIYBPF5817A,UIYBSF12970A,UIY2PD2619A,UIY4PD220162A,UIYBCI5028A,UIYDCP8220A,UIYBDC5028A,UIYSC15A,UIYBDC5028B,UIY4TC330330A,UIYCA500AN124,UIYDC4242A,UIYWTCWR15A,UIYBDC6466A,UIYHPF3025A,UIYHPF3025B,UIYWTCWR15E,UIYWTCWR15F,UI

选型指南 - 优译 - 25th Oct, 2024 PDF 英文下载

国内独家！铁氧体环形器/隔离器厂商华扬通信授权世强硬创代理

华扬通信的表贴环行器、表贴隔离器、嵌入式环行器、嵌入式隔离器、波导组件、波导环行器、波导隔离器、同轴环行器、同轴隔离器等全线产品均上线世强硬创平台。

签约新闻发布时间 : 2023-07-18

优译环行器选型表

优译同轴环行器、表面封装环行器（SMT环形器）、微带环行器、单节微带环行器、微带基片环行器、嵌入式带线环行器选型；多种频率范围，Insertion Loss Max(dB)：0.2-5dB，Isolation Min(dB)：1.4-30dB，VSWR Max：1.15-1.8，Forward Power(W)：2-1500W，Reverse Power(W)：2-1500W，低插损、高隔离、高功率；可按客户要求定制。

产品型号	品类	Freq. Range(MHz、GHz)	Insertion Loss Max(dB)	Isolation Min(dB)	VSWR Max	Forward Power(W)	Reverse Power(W)	Connector Type	Temp.(℃)
UIYWC6880A54T59	波导环行器	5.4 ~ 5.9 GHz	0.3	23	1.2	100	100	WR137(BJ70)	-40 ~ +85

选型表 - 优译立即选型

优译隔离器选型表

优译宽带隔离器、波导隔离器、同轴隔离器、微带隔离器、微带基片隔离器、射频隔离器、嵌入式带线隔离器、表面封装隔离器(SMT隔离器)、双节隔离器，提供多种频率范围，VSWR：1.15-1.45，VSWR Max：1.15-1.9，Forward Power(W)：2-1500W，Reverse Power(W)：1-300W，低插损、高隔离、高功率；可按客户要求定制.

产品型号	品类	Freq. Range(MHz、GHz)	Insertion Loss Max(dB)	Isolation Min(dB)	VSWR	Forward Power(W)	Reverse Power(W)	Connector Type	Temp.(°C)
UIYCDI16080A25T30SF	双节隔离器	25 ~ 30 MHz	7	24	1.45	50	50	SMA-F	+10 ~ +60

选型表 - 优译立即选型

【产品】可应用于5G、VHF、UHF、FM等通讯领域的射频隔离器/环形器，频率范围10MHz-110GHz

环形器和隔离器是由铁氧体制成的各向异性的微波无源的器件。环形器是个三端口器件，隔离器是二端口器件，将环形器的其中一端接上匹配负载，就成了隔离器。在通信领域，隔离器、环行器都是重要的射频无源器件，主要用来使电磁波信号单向环形传输（顺时针或逆时针）。射频隔离器、环行器涉及频率范围也相对广泛，本文简单介绍几款优译推出的隔离器、环行器产品。

新产品发布时间 : 2020-01-08