Professor Listing's Amplifier

نویسندگان

چکیده

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

THEORY OF THE TRAVELLING-WAVE PARAMETRIC AMPLIFIER By Professor

The theory of a parametric travelling-wave amplifier is developed, including the pumping wave explicitly. Particular reference is made to two characteristics of such amplifiers which theories assuming a constant pumping-wave amplitude fail to predict. The first arises from ohmic attenuation in the line, and limits the useful length of line to a length of the order of (ot\a.i)~l, where <xi and 0...

متن کامل

Shtolo – Converting STEP Short Listings to Annotated Listings

A STEP Application Protocol includes an AIM EXPRESS Annotated Listing. An Annotated Listing is created by combining the Short Listing and any objects from STEP Integrated Resource Parts that are referenced from the Short Listing either directly or indirectly. A number of transformations are performed on the resulting model, which is then formatted and printed. In the past, this process has been...

متن کامل

A Personalized TELEVISION LISTINGS SERVICE

COMMUNICATIONS OF THE ACM August 2000/Vol. 43, No. 8 107 The ClixSmart content personalization engine has been developed in the Department of Computer Science at University College Dublin. Its engine performs two essential tasks: It monitors the online activity of users (for a given Web site) and automatically constructs profiles for these users to capture their domain and behavioral preference...

متن کامل

Linking Business Listings to Identify Chains

Many local search engines, such as Google Maps, Yahoo! Local, Yellowpages, can benefit from the knowledge of business chains to improve the search experiences. However, business chains are rarely specified explicitly in business-listing data, but need to be inferred from the listings. While records that belong to the same chain typically share some similar values such as names and URL domains, ...

متن کامل

Business listings in automatic directory assistance

So far most attempts to automate Directory Assistance services focused on private listings, because it is not known precisely how callers will refer to a business listings. The research de­ scribed in this paper, carried out in the SMADA project, tries to fill this gap. The aim of the research is to model the expres­ sions people use when referring to a business listing by means of rules, in or...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Nature

سال: 1870

ISSN: 0028-0836,1476-4687

DOI: 10.1038/001430b0