天线与电波传播(第2版) 宋铮【正版书籍】

天线与电波传播(第2版) 宋铮【正版书籍】

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天线与电波传播(第2版) 宋铮【正版书籍】

天线与电波传播(第2版) 宋铮【正版书籍】

$30.22

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编辑推荐
《天线与电波传播(第2版)》是在原书版的基础上修订而成的。这次修订新增了两章内容,调整了一章内容。《天线与电波传播(第2版)》围绕天线与电波传播两大内容展开。全书共4章。前9章为天线部分,各章内容分别为 天线基础知识、简单线天线、行波天线、非频变天线、缝隙天线与微带天线、手机天线、测向天线、面天线、新型天线 后5章为电波传播部分,各章内容分别为 电波传播的基础知识、地面波传播、天波传播、视距传播、地面移动通信中接收场强的预测。各章均配有适量的习题。《天线与电波传播(第2版)》力求兼顾信息量大、行文简洁的特点,追踪当前热点技术及应用。书中的大量图表体现了MATLAB在天线与电波传播领域中的有效应用,附录给出了典型的MATLAB程序,个别章节还介绍了专业的天线分析软件的应用实例。《天线与电波传播(第2版)》的适用对象为电子工程、通信工程专业的大学本科学生,也可供其他专业选用以及通信和天线工程技术人员参考。为配合教与学,与本教材配套的辅助教材《学习指导题解与CAD》同时出版,供教师和学生选用。为了充分利用多媒体教学手段,本教材配有多媒体课件,需要者可来函向出版社索取。 
目  录
绪论

第章 -天线基础知识

. -基本振子的辐射

.. -电基本振子的辐射

..2 -磁基本振子的辐射

.2 -发射天线的电参数

.2. -方向函数
商品详情

 基本详情信息

 书名:天线与电波传播(第2版)

 ISBN:9787560623917

 定价:34.00

 作者:宋铮

 出版社:西安电子科技大学出版社

 出版时间:2011-03

 其他信息

 纸张:胶版纸

 页数:288

 尺寸:16开

 版次:2

 正文语种:简体中文...

Shipping Overview: 

Shipping: Standard Domestic Shipping within the United States charges USD 4.99. Standard International Shipping from United Kingdom, Germany and Japan to the United States charges 14.99. 

Order Processing: Please allow 1-2 business days for order processing and preparation before shipment. 

Domestic Shipping: Orders within the U.S. are shipped via USPS or FedEx, depending on the origin of the product. The average transit time is 3-7 business days. 

International Shipping: Currently, we only ship within the USA. 

Tracking Information: Every order is trackable. You will receive a tracking number once your order has been shipped. Products may be shipped from various global fulfillment centers.

Shipping Delays: 

Please note that shipping times may vary due to factors beyond our control, such as weather conditions, natural disasters, or peak holiday periods. While we strive to ensure timely delivery, the exact arrival time cannot be guaranteed and is managed by the shipping carrier.

Shipping Options:

  • Standard Delivery: Most orders are shipped within 3-7 business days. Larger items may utilize LTL shipping for safe handling.

  • Handling Time: We handle shipments on business days (Monday - Friday), with a preparation time of 1-2 days.

  • Additional Charges: Some items require additional shipping charges due to their size, weight, or special handling. These charges are specified on the product pages and are not eligible for shipping discounts.

  • Exclusions: Gift cards, packaging, taxes, and prior purchases do not count toward the minimum purchase requirement for free shipping. This offer is valid only for shipments to U.S. addresses, including Puerto Rico.

Delivery Details:

  • Estimates: Standard shipping within the US typically takes 3-7 business days. These are estimates and not guarantees.

  • Shipping Restrictions: We ship to all 50 states, Washington, DC, U.S. territories, and APO/FPO/DPO addresses. Shipping options vary based on the delivery address.

  • Remote Areas: Shipments to remote areas may incur additional charges or require pickup from a nearby shipping partner’s location.

Shipping Confirmation:

You will receive a shipping confirmation email with a tracking number as soon as your order is dispatched. If you do not receive this email immediately, please be assured that your items will arrive within the estimated delivery window provided at checkout.

Order Modifications:

If you need to cancel or modify your order, please contact our customer support immediately.

Issues with Delivery:

If your order shows as delivered but you have not received it, please contact the shipping carrier directly to resolve the issue. For persistent problems, contact our customer service at cs@everymarket.com.

Customer Support:

Our team is available 24/7 to assist you with any questions or concerns regarding your order. We are committed to ensuring a smooth shopping experience.

Return & Refund Policy Overview

Please review our return and refund policies below to ensure a smooth transaction process.

Return Policy

  • Duration: You have 30 days from receiving your item to initiate a return.

  • Condition: Items must be unworn, unwashed, with original tags and packaging intact.

  • Shipping Costs: Customers are responsible for return shipping costs.

  • Packaging: Ensure returned items are well-packaged to avoid damage during transit.

  • Tracking: Use a trackable and insured shipping method as we are not liable for items lost or damaged on return.

  • Initiating a Return: Contact us at cs@everymarket.com to start your return. We will provide a return shipping label and instructions upon approval. Returns without prior approval will not be accepted.

How to Return

  • Method: Returns must be sent back by mail to the address provided in the return instructions.

Return Label

  • Defective Products: Return labels are provided for defective items.

  • Non-Defective Returns: Customers are responsible for obtaining their return shipping label.

Product Conditions for Return

  • Eligible Products: Returns are only accepted for items in new condition.

Nonreturnable Items

Certain items are not eligible for return:

  • Electronic devices after 30 days (e.g., computers, laptops, Kindles)

  • Gift cards, prepaid game cards

  • Perishable goods, live insects, some jewelry, some health and personal care items

  • Customized or personalized products

  • Items with special shipping restrictions

Refund Policy

  • Window: Eligible products may be returned within 30 days of delivery for a refund.

  • Refund Method: Refunds are processed to the original payment method or as store credit for items purchased with gift cards.

  • Processing Time: Refunds are processed within 3-5 business days after we receive the return; please allow additional time for shipping and bank processing.

Claims

Inspect your order upon arrival and report any defects, damages, or incorrect items immediately to allow us to address the issue. For claims, contact our support team with details of the issue.

Exchange Policy

For the quickest service, return your original item and place a new order for the desired product once your return is accepted.

Return Address

EveryMarket Customer Service 2101 E Terra Ln, O'Fallon, MO 63366

Customer Support

Available 24/7 for any questions or assistance needed:

  • Phone: +1 636-312-5925

  • Email: cs@everymarket.com

 

xt当当栏目.jpg

编辑推荐
《天线与电波传播(第2版)》是在原书版的基础上修订而成的。这次修订新增了两章内容,调整了一章内容。《天线与电波传播(第2版)》围绕天线与电波传播两大内容展开。全书共4章。前9章为天线部分,各章内容分别为 天线基础知识、简单线天线、行波天线、非频变天线、缝隙天线与微带天线、手机天线、测向天线、面天线、新型天线 后5章为电波传播部分,各章内容分别为 电波传播的基础知识、地面波传播、天波传播、视距传播、地面移动通信中接收场强的预测。各章均配有适量的习题。《天线与电波传播(第2版)》力求兼顾信息量大、行文简洁的特点,追踪当前热点技术及应用。书中的大量图表体现了MATLAB在天线与电波传播领域中的有效应用,附录给出了典型的MATLAB程序,个别章节还介绍了专业的天线分析软件的应用实例。《天线与电波传播(第2版)》的适用对象为电子工程、通信工程专业的大学本科学生,也可供其他专业选用以及通信和天线工程技术人员参考。为配合教与学,与本教材配套的辅助教材《学习指导题解与CAD》同时出版,供教师和学生选用。为了充分利用多媒体教学手段,本教材配有多媒体课件,需要者可来函向出版社索取。 
目  录
绪论

第章 -天线基础知识

. -基本振子的辐射

.. -电基本振子的辐射

..2 -磁基本振子的辐射

.2 -发射天线的电参数

.2. -方向函数
商品详情

 基本详情信息

 书名:天线与电波传播(第2版)

 ISBN:9787560623917

 定价:34.00

 作者:宋铮

 出版社:西安电子科技大学出版社

 出版时间:2011-03

 其他信息

 纸张:胶版纸

 页数:288

 尺寸:16开

 版次:2

 正文语种:简体中文...

Shipping Overview: 

Shipping: Standard Domestic Shipping within the United States charges USD 4.99. Standard International Shipping from United Kingdom, Germany and Japan to the United States charges 14.99. 

Order Processing: Please allow 1-2 business days for order processing and preparation before shipment. 

Domestic Shipping: Orders within the U.S. are shipped via USPS or FedEx, depending on the origin of the product. The average transit time is 3-7 business days. 

International Shipping: Currently, we only ship within the USA. 

Tracking Information: Every order is trackable. You will receive a tracking number once your order has been shipped. Products may be shipped from various global fulfillment centers.

Shipping Delays: 

Please note that shipping times may vary due to factors beyond our control, such as weather conditions, natural disasters, or peak holiday periods. While we strive to ensure timely delivery, the exact arrival time cannot be guaranteed and is managed by the shipping carrier.

Shipping Options:

  • Standard Delivery: Most orders are shipped within 3-7 business days. Larger items may utilize LTL shipping for safe handling.

  • Handling Time: We handle shipments on business days (Monday - Friday), with a preparation time of 1-2 days.

  • Additional Charges: Some items require additional shipping charges due to their size, weight, or special handling. These charges are specified on the product pages and are not eligible for shipping discounts.

  • Exclusions: Gift cards, packaging, taxes, and prior purchases do not count toward the minimum purchase requirement for free shipping. This offer is valid only for shipments to U.S. addresses, including Puerto Rico.

Delivery Details:

  • Estimates: Standard shipping within the US typically takes 3-7 business days. These are estimates and not guarantees.

  • Shipping Restrictions: We ship to all 50 states, Washington, DC, U.S. territories, and APO/FPO/DPO addresses. Shipping options vary based on the delivery address.

  • Remote Areas: Shipments to remote areas may incur additional charges or require pickup from a nearby shipping partner’s location.

Shipping Confirmation:

You will receive a shipping confirmation email with a tracking number as soon as your order is dispatched. If you do not receive this email immediately, please be assured that your items will arrive within the estimated delivery window provided at checkout.

Order Modifications:

If you need to cancel or modify your order, please contact our customer support immediately.

Issues with Delivery:

If your order shows as delivered but you have not received it, please contact the shipping carrier directly to resolve the issue. For persistent problems, contact our customer service at cs@everymarket.com.

Customer Support:

Our team is available 24/7 to assist you with any questions or concerns regarding your order. We are committed to ensuring a smooth shopping experience.

Return & Refund Policy Overview

Please review our return and refund policies below to ensure a smooth transaction process.

Return Policy

  • Duration: You have 30 days from receiving your item to initiate a return.

  • Condition: Items must be unworn, unwashed, with original tags and packaging intact.

  • Shipping Costs: Customers are responsible for return shipping costs.

  • Packaging: Ensure returned items are well-packaged to avoid damage during transit.

  • Tracking: Use a trackable and insured shipping method as we are not liable for items lost or damaged on return.

  • Initiating a Return: Contact us at cs@everymarket.com to start your return. We will provide a return shipping label and instructions upon approval. Returns without prior approval will not be accepted.

How to Return

  • Method: Returns must be sent back by mail to the address provided in the return instructions.

Return Label

  • Defective Products: Return labels are provided for defective items.

  • Non-Defective Returns: Customers are responsible for obtaining their return shipping label.

Product Conditions for Return

  • Eligible Products: Returns are only accepted for items in new condition.

Nonreturnable Items

Certain items are not eligible for return:

  • Electronic devices after 30 days (e.g., computers, laptops, Kindles)

  • Gift cards, prepaid game cards

  • Perishable goods, live insects, some jewelry, some health and personal care items

  • Customized or personalized products

  • Items with special shipping restrictions

Refund Policy

  • Window: Eligible products may be returned within 30 days of delivery for a refund.

  • Refund Method: Refunds are processed to the original payment method or as store credit for items purchased with gift cards.

  • Processing Time: Refunds are processed within 3-5 business days after we receive the return; please allow additional time for shipping and bank processing.

Claims

Inspect your order upon arrival and report any defects, damages, or incorrect items immediately to allow us to address the issue. For claims, contact our support team with details of the issue.

Exchange Policy

For the quickest service, return your original item and place a new order for the desired product once your return is accepted.

Return Address

EveryMarket Customer Service 2101 E Terra Ln, O'Fallon, MO 63366

Customer Support

Available 24/7 for any questions or assistance needed:

  • Phone: +1 636-312-5925

  • Email: cs@everymarket.com

 

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