The correction of anamorphic scale errors in holographic radar imagery

The paper examines the principles of operation, capabilities, and advantages of the synthetic-aperture or holographic radar, also called coherent side-looking radar. The means to reprocess the prime data in large quantity without loss for the purpose of correcting scale factor errors is discussed in detail. In the examples examined the corrections are achieved by altering the second equality of the governing tracking equation in such a way as to make both range and along-track scale factors equal. The final alteration of the now nonanamorphic image to a desired value is left to the map maker. The manner in which the dynamic scale corrections were applied allowed correction of theoretical errors at 0.05% increments with 0.05 repeatability, and the theoretical corrections achievable were 0.1% or less.